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Amentum Holdings, Inc. 2025-2026 Proxy Voting Records

Compiled from SEC Form N-PX filings and Amentum Holdings, Inc.’s Form 8-K (Item 5.07 on EDGAR). Page generated 02 October 2026.

  • 20Reported items
  • 584Asset managers
  • 5,322Fund votes
  • 2026-02-06Meeting date

Proxy season: 2024-2025 2025-2026

Explore Amentum Holdings, Inc. in the interactive database Compare manager voting policies

Official 2025-2026 meeting results reported by Amentum Holdings, Inc.

These tallies are Amentum Holdings, Inc.’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K (Item 5.07, “Submission of Matters to a Vote of Security Holders”). They cover every share voted at the meeting, not just the funds that file Form N-PX.

Amentum Holdings, Inc. — official shareholder meeting results, meeting held 2026-02-06
Ballot itemForAgainst AbstainWithheldBroker non-votesOutcome
Elect Director: Steven J. Demetriou 216,313,4974,429,86282,303 --12,216,943 Majority: yes
Elect Director: John Heller 220,529,787203,19692,679 --12,216,943 Majority: yes
Elect Director: Benjamin Dickson 219,850,419878,33096,913 --12,216,943 Majority: yes
Elect Director: Vincent K. Brooks 218,581,4681,603,151641,043 --12,216,943 Majority: yes
Elect Director: Ralph E. Eberhart 219,946,566777,869101,227 --12,216,943 Majority: yes
Elect Director: Alan E. Goldberg 220,522,831205,74497,087 --12,216,943 Majority: yes
Elect Director: S. Leslie Ireland 219,976,434758,78890,440 --12,216,943 Majority: yes
Elect Director: Barbara L. Loughran 199,318,34421,071,794435,524 --12,216,943 Majority: yes
Elect Director: Sandra E. Rowland 219,952,896783,49389,273 --12,216,943 Majority: yes
Elect Director: Christopher M.T. Thompson 220,520,519214,59490,549 --12,216,943 Majority: yes
Elect Director: Russell Triedman 218,451,9892,278,61195,062 --12,216,943 Majority: yes
Elect Director: John Vollmer 220,541,726194,80889,128 --12,216,943 Majority: yes
Elect Director: Connor Wentzell 218,457,5192,281,21386,930 --12,216,943 Majority: yes
Proposal 3: The stockholders approved, on an advisory basis, the compensation of the Company's named executive officers for fiscal 2025. 214,017,7205,778,6041,029,338 --12,216,943 Majority: yes

Source: Amentum Holdings, Inc., Form 8-K — read the filing on EDGAR.

How asset managers voted at the Amentum Holdings, Inc. 2025-2026 meeting

Each item below shows how the 584 asset managers that disclosed a Amentum Holdings, Inc. vote in their SEC Form N-PX filings actually voted. Share totals are the shares those managers' funds voted, summed across every fund they report. These are reported items, not a count of the ballot: fund filings describe one ballot item in different words. Two descriptions are shown as one item only on evidence — the same text (or one cut short of the other), the same director nominee, or a match to the same row of Amentum Holdings, Inc.’s own Form 8-K tally — never because they merely read alike. A description that could not be joined that way is listed on its own, so one ballot item can appear more than once.

1. Advisory vote to approve the Company's named executive officer compensation.

SECTION 14A SAY-ON-PAY VOTESMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 17 wordings of this item as funds reported it.

97% Majority: yes · of votes cast

FOR 97%
FOR: 214,017,720AGAINST: 5,778,604

Amentum Holdings, Inc.’s own tally for this item (“Proposal 3: The stockholders approved, on an advisory basis, the compensation of the Company's named executive officers for fiscal 2025.”): 214,017,720 for, 5,778,604 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 88% for, 2% against (90% of the company cast a for/against vote).

The 573 asset managers below cast 96% of the shares they voted on this item FOR (144,339,989 for, 5,380,317 against).

FOR 96%
FOR: 144,339,989 (95.8%)AGAINST: 5,380,317 (3.6%)ABSTAIN: 826,899 (0.5%)NOT VOTED: 77,591 (0.1%)
Largest asset managers voting on “Advisory vote to approve the Company's named executive officer compensation.” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Invesco27,992,3440 00For
Vanguard23,784,69712 20For
Fidelity15,856,9340 00For
BlackRock13,439,5571,915 00For
PRIMECAP MANAGEMENT CO/CA/11,932,1480 00For
State Street81,9514,267,159 00Against
Thrivent4,049,6930 00For
Charles Schwab3,538,7110 00For
PRIMECAP Odyssey Funds3,235,0310 00For
FRONTIER CAPITAL MANAGEMENT CO LLC2,706,0640 00For
GEODE CAPITAL MANAGEMENT, LLC2,658,9390 00For
Ruane, Cunniff & Goldfarb L.P.2,389,0530 00For
Global X1,803,3030 00For
THOMPSON SIEGEL & WALMSLEY LLC1,787,7050 00For
Focus Partners Wealth1,577,5300 00For
BRIGHTLINE CAPITAL MANAGEMENT, LLC1,360,0000 00For
Voya1,159,2250 00For
Nuveen1,093,4760 00For
Loomis Sayles1,029,0700 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Northern Trust887,5320 00For
683 Capital Management, LLC886,6610 00For
Transamerica852,1060 00For
Arvin Capital Management LP773,6150 00For

Showing the 25 largest of 573 asset managers. See all 573 in the interactive database.

2. Election of Directors: Steven J. Demetriou

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 6 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 216,313,497AGAINST: 4,429,862

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Steven J. Demetriou”): 216,313,497 for, 4,429,862 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 89% for, 2% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 99.9% of the shares they voted on this item FOR (67,536,634 for, 32,749 against).

FOR 99.9%
FOR: 67,536,634 (99.9%)AGAINST: 32,749 (0.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Steven J. Demetriou” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,618,24313,767 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,87370 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

3. Election of Directors: John Heller

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 4 wordings of this item as funds reported it.

99.9% Majority: yes · of votes cast

FOR 99.9%
FOR: 220,529,787AGAINST: 203,196

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: John Heller”): 220,529,787 for, 203,196 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.1% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 100% of the shares they voted on this item FOR (67,569,383 for, 0 against).

FOR 99.9%
FOR: 67,569,383 (100.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: John Heller” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0100 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

4. Election of Directors: Benjamin Dickson

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 4 wordings of this item as funds reported it.

99.6% Majority: yes · of votes cast

FOR 99.6%
FOR: 219,850,419AGAINST: 878,330

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Benjamin Dickson”): 219,850,419 for, 878,330 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.4% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 99.9% of the shares they voted on this item FOR (67,569,382 for, 1 against).

FOR 99.9%
FOR: 67,569,382 (100.0%)AGAINST: 1 (0.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Benjamin Dickson” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0091 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

5. Election of Directors: Vincent K. Brooks

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 5 wordings of this item as funds reported it.

99.2% Majority: yes · of votes cast

FOR 99.2%
FOR: 218,581,468AGAINST: 1,603,151

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Vincent K. Brooks”): 218,581,468 for, 1,603,151 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.7% against (90% of the company cast a for/against vote).

The 90 asset managers below cast 99.8% of the shares they voted on this item FOR (67,460,113 for, 109,269 against).

FOR 99.8%
FOR: 67,460,113 (99.8%)AGAINST: 109,269 (0.2%)ABSTAIN: 15,731 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Vincent K. Brooks” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0063 10For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower351,74968,792 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

6. Election of Directors: Ralph E. Eberhart

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 6 wordings of this item as funds reported it.

99.6% Majority: yes · of votes cast

FOR 99.6%
FOR: 219,946,566AGAINST: 777,869

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Ralph E. Eberhart”): 219,946,566 for, 777,869 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.4% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 99.9% of the shares they voted on this item FOR (67,569,382 for, 1 against).

FOR 99.9%
FOR: 67,569,382 (100.0%)AGAINST: 1 (0.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Ralph E. Eberhart” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0091 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

7. Election of Directors: Alan E. Goldberg

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 5 wordings of this item as funds reported it.

99.9% Majority: yes · of votes cast

FOR 99.9%
FOR: 220,522,831AGAINST: 205,744

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Alan E. Goldberg”): 220,522,831 for, 205,744 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.1% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 100% of the shares they voted on this item FOR (67,569,383 for, 0 against).

FOR 99.9%
FOR: 67,569,383 (100.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Alan E. Goldberg” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0100 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

8. Election of Directors: S. Leslie Ireland

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 5 wordings of this item as funds reported it.

99.6% Majority: yes · of votes cast

FOR 99.6%
FOR: 219,976,434AGAINST: 758,788

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: S. Leslie Ireland”): 219,976,434 for, 758,788 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.4% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 99.9% of the shares they voted on this item FOR (67,569,382 for, 1 against).

FOR 99.9%
FOR: 67,569,382 (100.0%)AGAINST: 1 (0.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: S. Leslie Ireland” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0091 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

9. Election of Directors: Barbara L. Loughran

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 6 wordings of this item as funds reported it.

90% Majority: yes · of votes cast

FOR 90%10%
FOR: 199,318,344AGAINST: 21,071,794

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Barbara L. Loughran”): 199,318,344 for, 21,071,794 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 82% for, 9% against (90% of the company cast a for/against vote).

The 90 asset managers below cast 92% of the shares they voted on this item FOR (62,095,592 for, 5,193,413 against).

FOR 92%8%
FOR: 62,095,592 (91.9%)AGAINST: 5,193,413 (7.7%)ABSTAIN: 296,108 (0.4%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Barbara L. Loughran” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,618,20913,800 10For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,122,9362,007 00For
Thrivent01,991,607 00Against
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica0852,106 00Against
Dimensional0505,503 00Against
TIAA457,3930 00For
Empower214,590205,951 00For
First Trust0328,467 00Against
EXCHANGE TRADED CONCEPTS TRUST0313,800 00Against
Columbia Threadneedle00 280,3770Abstain
Nuveen277,9220 00For
Jackson National268,7044,271 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal0171,590 00Against
ANCORA TRUST0169,363 00Against
Prudential/PGIM135,80228,373 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

10. Election of Directors: Sandra E. Rowland

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 5 wordings of this item as funds reported it.

99.6% Majority: yes · of votes cast

FOR 99.6%
FOR: 219,952,896AGAINST: 783,493

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Sandra E. Rowland”): 219,952,896 for, 783,493 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.4% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 99.9% of the shares they voted on this item FOR (67,569,382 for, 1 against).

FOR 99.9%
FOR: 67,569,382 (100.0%)AGAINST: 1 (0.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Sandra E. Rowland” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0091 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

11. Election of Directors: Christopher M.T. Thompson

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 5 wordings of this item as funds reported it.

99.9% Majority: yes · of votes cast

FOR 99.9%
FOR: 220,520,519AGAINST: 214,594

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Christopher M.T. Thompson”): 220,520,519 for, 214,594 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.1% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 100% of the shares they voted on this item FOR (67,569,383 for, 0 against).

FOR 99.9%
FOR: 67,569,383 (100.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Christopher M.T. Thompson” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0100 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

12. Election of Directors: Russell Triedman

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 4 wordings of this item as funds reported it.

99% Majority: yes · of votes cast

FOR 99%
FOR: 218,451,989AGAINST: 2,278,611

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Russell Triedman”): 218,451,989 for, 2,278,611 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 1.0% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 99.8% of the shares they voted on this item FOR (67,460,112 for, 109,270 against).

FOR 99.8%
FOR: 67,460,112 (99.8%)AGAINST: 109,270 (0.2%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Russell Triedman” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0054 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower351,74968,792 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

13. Election of Directors: John Vollmer

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 4 wordings of this item as funds reported it.

99.9% Majority: yes · of votes cast

FOR 99.9%
FOR: 220,541,726AGAINST: 194,808

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: John Vollmer”): 220,541,726 for, 194,808 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 0.1% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 100% of the shares they voted on this item FOR (67,569,383 for, 0 against).

FOR 99.9%
FOR: 67,569,383 (100.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: John Vollmer” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0100 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower420,5410 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

14. Election of Directors: Connor Wentzell

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2026-02-06.

Combines 4 wordings of this item as funds reported it.

99% Majority: yes · of votes cast

FOR 99%
FOR: 218,457,519AGAINST: 2,281,213

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Connor Wentzell”): 218,457,519 for, 2,281,213 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 90% for, 1.0% against (91% of the company cast a for/against vote).

The 90 asset managers below cast 99.8% of the shares they voted on this item FOR (67,460,112 for, 109,270 against).

FOR 99.8%
FOR: 67,460,112 (99.8%)AGAINST: 109,270 (0.2%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “Election of Directors: Connor Wentzell” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0054 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
VALUED ADVISERS TRUST940,1420 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
Empower351,74968,792 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

15. The ratification of the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the Company's fiscal year 2026.

AUDIT-RELATED

Meeting held 2026-02-06.

100% fund support · no official result

FOR 99.9%

The 84 asset managers below cast 100% of the shares they voted on this item FOR (66,353,978 for, 0 against).

FOR: 66,353,978 (100.0%)ABSTAIN: 15,730 (0.0%)NOT VOTED: 116 (0.0%)
Largest asset managers voting on “The ratification of the appointment of Ernst & Young LLP as the Company's independent registered public accoun” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Vanguard22,632,0100 00For
BlackRock9,777,6560 00For
Invesco8,196,0710 00For
Fidelity7,644,2340 00For
PRIMECAP Odyssey Funds3,235,0310 00For
State Street2,124,9430 00For
Thrivent1,991,6070 00For
Global X1,803,3030 00For
Charles Schwab1,687,0570 00For
SEQUOIA FUND INC1,012,9600 00For
Transamerica852,1060 00For
Dimensional505,5030 00For
TIAA457,3930 00For
First Trust328,4670 00For
EXCHANGE TRADED CONCEPTS TRUST313,8000 00For
Columbia Threadneedle280,3770 00For
Nuveen277,9220 00For
Jackson National272,9750 00For
Russell Investments269,6800 00For
Royce266,8590 00For
Empower214,5900 00For
Principal171,5900 00For
ANCORA TRUST169,3630 00For
Prudential/PGIM164,1750 00For
Loomis Sayles133,0540 00For

Showing the 25 largest of 84 asset managers. See all 84 in the interactive database.

16. Ratify Ernst & Young LLP as Auditors

AUDIT-RELATED

Meeting held 2026-02-06.

100% fund support · no official result

FOR 100%

The 5 asset managers below cast 100% of the shares they voted on this item FOR (1,212,029 for, 0 against).

FOR: 1,212,029 (100.0%)
Largest asset managers voting on “Ratify Ernst & Young LLP as Auditors” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
VALUED ADVISERS TRUST940,1420 00For
Empower205,9510 00For
JPMorgan60,4920 00For
CLEARWATER INVESTMENT TRUST5,3020 00For
NORTHERN LIGHTS FUND TRUST III1420 00For

17. Advisory vote on the frequency of the advisory vote to approve the Company's named executive officer compensation.

SECTION 14A SAY-ON-PAY VOTES

Meeting held 2025-03-05 (outside the 2025-2026 season's 1 July to 30 June window; reported in this season's filings).

— fund support · no official result

ONE YEAR 99%

No shares were cast for or against this item by the managers below — every disclosed position was an abstention or was not voted.

ONE YEAR: 28,214 (98.8%)1 YEAR: 200 (0.7%)1-YEAR: 150 (0.5%)
Largest asset managers voting on “Advisory vote on the frequency of the advisory vote to approve the Company's named executive officer compensat” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Investment Management Corp of Ontario00 00One Year
NORRIS PERNE & FRENCH LLP/MI00 001 Year
MARATHON CAPITAL MANAGEMENT00 001-Year

18. Advisory vote to approve the Company's named executive officer compensation.

SECTION 14A SAY-ON-PAY VOTES

Meeting held 2025-03-05 (outside the 2025-2026 season's 1 July to 30 June window; reported in this season's filings).

100% fund support · no official result

FOR 100%

The 3 asset managers below cast 100% of the shares they voted on this item FOR (28,564 for, 0 against).

FOR: 28,564 (100.0%)
Largest asset managers voting on “Advisory vote to approve the Company's named executive officer compensation.” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Investment Management Corp of Ontario28,2140 00For
NORRIS PERNE & FRENCH LLP/MI2000 00For
MARATHON CAPITAL MANAGEMENT1500 00For

19. Ratify Appointment of Independent Auditors

AUDIT-RELATED

Meeting held 2026-02-06.

Combines 2 wordings of this item as funds reported it.

100% fund support · no official result

FOR 100%

The 2 asset managers below cast 100% of the shares they voted on this item FOR (15,134 for, 0 against).

FOR: 15,134 (100.0%)
Largest asset managers voting on “Ratify Appointment of Independent Auditors” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
WILLIAMSBURG INVESTMENT TRUST12,9900 00For
MARCO INVESTMENT MANAGEMENT LLC2,1440 00For

20. Say on Pay

SECTION 14A SAY-ON-PAY VOTESMajority of the votes cast: yes

Meeting held 2026-02-06.

97% Majority: yes · of votes cast

FOR 97%
FOR: 214,017,720AGAINST: 5,778,604

Amentum Holdings, Inc.’s own tally for this item (“Proposal 3: The stockholders approved, on an advisory basis, the compensation of the Company's named executive officers for fiscal 2025.”): 214,017,720 for, 5,778,604 against, per its Form 8-K (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item. Of all 243,770,575 outstanding shares: 88% for, 2% against (90% of the company cast a for/against vote).

The 2 asset managers below cast 100% of the shares they voted on this item FOR (1,310 for, 0 against).

FOR 100%
FOR: 1,310 (100.0%)
Largest asset managers voting on “Say on Pay” at Amentum Holdings, Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
Empower8500 00For
Arista Wealth Management, LLC4600 00For

Largest Amentum Holdings, Inc. shareholders voting in 2025-2026

Ranked by the number of Amentum Holdings, Inc. shares each manager voted on the most widely held ballot item of the 2025-2026 meeting, shown as a share of the 243,770,575 shares outstanding at the time of that meeting.

Top Amentum Holdings, Inc. shareholders by shares voted, 2025-2026
#Asset manager % of shares outstanding
1Invesco 11.48%
2Vanguard 9.76%
3Fidelity 6.50%
4BlackRock 5.51%
5PRIMECAP MANAGEMENT CO/CA/ 4.89%
6State Street 1.78%
7Thrivent 1.66%
8Charles Schwab 1.45%
9PRIMECAP Odyssey Funds 1.33%
10FRONTIER CAPITAL MANAGEMENT CO LLC 1.11%

Reported Amentum Holdings, Inc. ownership

Positions disclosed to the SEC on Schedules 13D and 13G, Form 13F and the company’s own proxy statement (DEF 14A).

Amentum Holdings, Inc. beneficial owners on record for the 2025-2026 proxy season
Holder % outstanding Disclosure
Alan E. Goldberg 18.47% DEF14A
ASP Amentum Investco LP, a Delaware limited 18.01% DEF14A
Lindsay Goldberg 18.01% DEF14A
Invesco Ltd. 10.06% 13G
Blackrock, Inc. 6.88% DEF14A
The Vanguard Group 6.79% DEF14A
PRIMECAP MANAGEMENT CO/CA/ 5.04% 13G
FMR (Fidelity) 2.29% 13F
State Street 2.08% 13F
Dimensional Fund Advisors 1.55% 13F

Percentages above are of 243,770,575 shares outstanding, as reported by Amentum Holdings, Inc. on its Form 10-Q dated 2026-01-02 (see the filing on EDGAR). This is the count contemporaneous with the 2025-2026 meeting, so the percentages are the ones that were true then, not ones restated against today’s share count.

About this page

Every figure above is derived from filings made with the US Securities and Exchange Commission: Form N-PX, in which registered investment companies and institutional managers disclose how they voted every proxy, and Form 8-K Item 5.07, in which the company reports its own meeting results. Shares outstanding are taken from Amentum Holdings, Inc.’s 10-Q dated 2026-01-02. This page is a static snapshot rebuilt weekly on 02 October 2026; a live search always shows the current data.

At Amentum Holdings, Inc.'s shareholder meeting held 2026-02-06, in the 2025-2026 proxy season, 584 asset managers reported how they voted in their SEC Form N-PX filings, covering 5,322 separate fund positions. Their filings are grouped here into 20 reported items; because filers word the same ballot item differently, that can be more than the number of items on the ballot. On the most widely held item on that ballot — Advisory vote to approve the Company's named executive officer compensation. — FOR was 97% of the votes cast (FOR divided by FOR plus AGAINST, the conventional basis for proxy support; abstentions, broker non-votes and unvoted shares are excluded because none of them took a side), which is more than half. Whether the item was approved is for the filing to say; that statement has not been read for this item. Source: Amentum Holdings, Inc.'s Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission (filing date not recorded for this item).

Amentum Holdings, Inc. proxy season coverage: 2024-2025 · 2025-2026 (this page).