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MKS INSTRUMENTS INC. 2024-2025 Proxy Voting Records

Compiled from SEC Form N-PX filings and MKS INSTRUMENTS INC.’s Form 8-K, filed 2025-05-15 (Item 5.07 on EDGAR). Page generated 02 October 2026.

14Reported items
429Asset managers
3,806Fund votes
2025-05-12Meeting date

Proxy season: 2023-2024 2024-2025

Explore MKS INSTRUMENTS INC. in the interactive database Compare manager voting policies

Official 2024-2025 meeting results reported by MKS INSTRUMENTS INC.

These tallies are MKS INSTRUMENTS INC.’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed 2025-05-15 (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.

MKS INSTRUMENTS INC. — official shareholder meeting results, meeting held 2025-05-12
Ballot item	For	Against	Abstain	Withheld	Broker non-votes	Outcome
Elect Director: John T.C. Lee	59,950,434	--	--	379,281	--	Majority: yes
Elect Director: Jacqueline F. Moloney	56,793,851	--	--	3,535,864	--	Majority: yes
There were broker non-votes of 2,656,076 shares on this proposal. d) Approval of an amendment to the Articles to change the Company's name to MKS Inc.:	62,899,742	50,381	35,668	--	--	Majority: yes

Source: MKS INSTRUMENTS INC., Form 8-K, filed with the SEC on 2025-05-15 — read the filing on EDGAR.

How asset managers voted at the MKS INSTRUMENTS INC. 2024-2025 meeting

Each item below shows how the 429 asset managers that disclosed a MKS INSTRUMENTS 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 MKS INSTRUMENTS 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. The approval, on an advisory basis, of executive compensation.

SECTION 14A SAY-ON-PAY VOTES

Meeting held 2025-05-12.

Combines 6 wordings of this item as funds reported it.

98% fund support · no official result

FOR 98%

The 410 asset managers below cast 98% of the shares they voted on this item FOR (73,546,060 for, 1,638,546 against).

FOR: 73,546,060 (97.8%)AGAINST: 1,638,546 (2.2%)ABSTAIN: 23,383 (0.0%)NOT VOTED: 3,677 (0.0%)

Largest asset managers voting on “The approval, on an advisory basis, of executive compensation.” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Against	Vote
Fidelity	8,642,263	0	For
Vanguard	7,998,116	0	For
Capital Group	6,575,868	0	For
BlackRock	6,342,497	430	For
T. Rowe Price	5,663,927	0	For
Victory Capital	5,096,809	0	For
Invesco	4,121,066	0	For
Neuberger Berman	2,934,348	0	For
Wellington	2,575,501	0	For
State Street	2,347,841	0	For
Charles Schwab	1,320,525	0	For
GEODE CAPITAL MANAGEMENT, LLC	1,187,334	0	For
Hartford	1,039,109	0	For
John Hancock	876,681	0	For
PRINCIPAL GLOBAL INVESTORS	843,091	0	For
COOKE & BIELER LP	766,304	0	For
Dimensional	691,060	0	For
Royce	646,588	0	For
Northern Trust	580,893	0	For
MADISON FUNDS	0	518,586	Against
Goldman Sachs	515,897	0	For
MELLON INVESTMENTS Corp	459,725	0	For
Thrivent	406,638	0	For
Capital Research Global Investors	387,153	0	For
Madison Investment Advisors, LLC	4,752	380,119	Against

Showing the 25 largest of 410 asset managers. See all 410 in the interactive database.

2. THE APPROVAL OF AN AMENDMENT TO THE COMPANY'S RESTATED ARTICLES OF ORGANIZATION, AS AMENDED, TO CHANGE THE COMPANY'S NAME TO MKS INC.

CORPORATE GOVERNANCEMajority of the votes cast: yes

Meeting held 2025-05-12.

Combines 5 wordings of this item as funds reported it.

99.9% Majority: yes · of votes cast

FOR 99.9%

FOR: 62,899,742AGAINST: 50,381

MKS INSTRUMENTS INC.’s own tally for this item (“There were broker non-votes of 2,656,076 shares on this proposal. d) Approval of an amendment to the Articles to change the Company's name to MKS Inc.:”): 62,899,742 for, 50,381 against, per its Form 8-K filed 2025-05-15 (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.

The 122 asset managers below cast 100% of the shares they voted on this item FOR (36,561,178 for, 0 against).

FOR 99.9%

FOR: 36,561,178 (100.0%)ABSTAIN: 12,168 (0.0%)

Largest asset managers voting on “THE APPROVAL OF AN AMENDMENT TO THE COMPANY'S RESTATED ARTICLES OF ORGANIZATION, AS AMENDED, TO CHANGE THE COM” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Abstain	Vote
Vanguard	7,834,201	0	For
Fidelity	4,539,316	0	For
BlackRock	4,469,577	0	For
Capital Group	3,476,866	0	For
Victory Capital	2,195,069	0	For
T. Rowe Price	2,093,781	0	For
Invesco	1,992,614	0	For
Neuberger Berman	1,102,983	0	For
Hartford	1,039,109	0	For
Charles Schwab	654,868	0	For
Royce	541,452	0	For
MADISON FUNDS	518,586	0	For
State Street	456,613	0	For
Dimensional	448,593	0	For
Brighthouse	347,107	12,168	For
John Hancock	337,733	0	For
Jackson National	258,842	0	For
Principal	228,359	0	For
JPMorgan	207,229	0	For
Thrivent	203,319	0	For
Equitable	177,865	0	For
Direxion Shares ETF Trust	176,670	0	For
Bridge Builder Trust	171,612	0	For
Goldman Sachs	166,988	0	For
ETF Series Solutions	142,979	0	For

Showing the 25 largest of 122 asset managers. See all 122 in the interactive database.

3. THE APPROVAL OF AN AMENDMENT TO THE COMPANY'S RESTATED ARTICLES OF ORGANIZATION, AS AMENDED, TO LOWER THE VOTING REQUIREMENT FOR APPROVAL OF CERTAIN MATTERS FROM A SUPERMAJORITY TO A SIMPLE MAJORITY VOTING STANDARD.

SHAREHOLDER RIGHTS AND DEFENSES

Meeting held 2025-05-12.

Combines 3 wordings of this item as funds reported it.

99.9% fund support · no official result

FOR 99.9%

The 120 asset managers below cast 99.9% of the shares they voted on this item FOR (36,510,504 for, 22,112 against).

FOR: 36,510,504 (99.9%)AGAINST: 22,112 (0.1%)

Largest asset managers voting on “THE APPROVAL OF AN AMENDMENT TO THE COMPANY'S RESTATED ARTICLES OF ORGANIZATION, AS AMENDED, TO LOWER THE VOTI” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Vote
Vanguard	7,834,201	For
Fidelity	4,539,316	For
BlackRock	4,469,577	For
Capital Group	3,476,866	For
Victory Capital	2,195,069	For
T. Rowe Price	2,093,781	For
Invesco	1,992,614	For
Neuberger Berman	1,102,983	For
Hartford	1,039,109	For
Charles Schwab	654,868	For
Royce	541,452	For
MADISON FUNDS	518,586	For
State Street	456,613	For
Dimensional	448,593	For
Brighthouse	359,275	For
John Hancock	337,733	For
Jackson National	258,842	For
Principal	228,359	For
JPMorgan	207,229	For
Thrivent	203,319	For
Equitable	177,865	For
Direxion Shares ETF Trust	176,670	For
Bridge Builder Trust	171,612	For
Goldman Sachs	166,988	For
ETF Series Solutions	142,979	For

Showing the 25 largest of 120 asset managers. See all 120 in the interactive database.

4. THE APPROVAL OF AN AMENDMENT TO THE COMPANY'S SECOND AMENDED AND RESTATED BY-LAWS TO LOWER THE VOTING REQUIREMENT FOR APPROVAL OF AN AMENDMENT TO THE COMPANY'S BY-LAWS FROM A SUPERMAJORITY TO A SIMPLE MAJORITY VOTING STANDARD.

SHAREHOLDER RIGHTS AND DEFENSES

Meeting held 2025-05-12.

Combines 3 wordings of this item as funds reported it.

99.9% fund support · no official result

FOR 99.9%

The 120 asset managers below cast 99.9% of the shares they voted on this item FOR (36,510,504 for, 22,112 against).

FOR: 36,510,504 (99.9%)AGAINST: 22,112 (0.1%)

Largest asset managers voting on “THE APPROVAL OF AN AMENDMENT TO THE COMPANY'S SECOND AMENDED AND RESTATED BY-LAWS TO LOWER THE VOTING REQUIREM” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Vote
Vanguard	7,834,201	For
Fidelity	4,539,316	For
BlackRock	4,469,577	For
Capital Group	3,476,866	For
Victory Capital	2,195,069	For
T. Rowe Price	2,093,781	For
Invesco	1,992,614	For
Neuberger Berman	1,102,983	For
Hartford	1,039,109	For
Charles Schwab	654,868	For
Royce	541,452	For
MADISON FUNDS	518,586	For
State Street	456,613	For
Dimensional	448,593	For
Brighthouse	359,275	For
John Hancock	337,733	For
Jackson National	258,842	For
Principal	228,359	For
JPMorgan	207,229	For
Thrivent	203,319	For
Equitable	177,865	For
Direxion Shares ETF Trust	176,670	For
Bridge Builder Trust	171,612	For
Goldman Sachs	166,988	For
ETF Series Solutions	142,979	For

Showing the 25 largest of 120 asset managers. See all 120 in the interactive database.

5. The ratification of the selection of PricewaterhouseCoopers LLP as the Company's independent registered public accounting firm for the year ending December 31, 2025.

AUDIT-RELATED

Meeting held 2025-05-12.

Combines 4 wordings of this item as funds reported it.

99.5% fund support · no official result

FOR 99.5%

The 120 asset managers below cast 99.5% of the shares they voted on this item FOR (36,371,688 for, 146,476 against).

FOR: 36,371,688 (99.6%)AGAINST: 146,476 (0.4%)ABSTAIN: 12,168 (0.0%)

Largest asset managers voting on “The ratification of the selection of PricewaterhouseCoopers LLP as the Company's independent registered public” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Against	Abstain	Vote
Vanguard	7,833,753	448	0	For
Fidelity	4,539,316	0	0	For
BlackRock	4,469,577	0	0	For
Capital Group	3,476,866	0	0	For
Victory Capital	2,195,069	0	0	For
T. Rowe Price	2,093,781	0	0	For
Invesco	1,992,614	0	0	For
Neuberger Berman	1,102,983	0	0	For
Hartford	1,039,109	0	0	For
Charles Schwab	654,868	0	0	For
Royce	541,452	0	0	For
MADISON FUNDS	518,586	0	0	For
State Street	456,497	116	0	For
Dimensional	448,593	0	0	For
Brighthouse	347,107	0	12,168	For
John Hancock	337,733	0	0	For
Jackson National	258,842	0	0	For
Principal	228,359	0	0	For
JPMorgan	207,229	0	0	For
Thrivent	203,319	0	0	For
Equitable	177,865	0	0	For
Direxion Shares ETF Trust	176,670	0	0	For
Bridge Builder Trust	81,775	89,837	0	Against
Goldman Sachs	166,988	0	0	For
ETF Series Solutions	142,979	0	0	For

Showing the 25 largest of 120 asset managers. See all 120 in the interactive database.

6. The election of the two nominees listed below as Class II Directors, each to serve for a three-year term: Jacqueline F. Moloney

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2025-05-12.

Combines 9 wordings of this item as funds reported it.

94% Majority: yes · of votes cast

FOR 94%

FOR: 56,793,851WITHHELD: 3,535,864

MKS INSTRUMENTS INC.’s own tally for this item (“Elect Director: Jacqueline F. Moloney”): 56,793,851 for, 3,535,864 withheld, per its Form 8-K filed 2025-05-15 (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.

The 119 asset managers below cast 100% of the shares they voted on this item FOR (35,766,688 for, 0 against).

FOR 98%

FOR: 35,766,688 (97.9%)ABSTAIN: 766,439 (2.1%)

Largest asset managers voting on “The election of the two nominees listed below as Class II Directors, each to serve for a three-year term: Jacq” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Abstain	Vote
Vanguard	7,834,201	0	For
Fidelity	4,539,316	0	For
BlackRock	4,469,577	0	For
Capital Group	3,476,866	0	For
Victory Capital	2,195,069	0	For
T. Rowe Price	2,093,781	0	For
Invesco	1,992,614	0	For
Neuberger Berman	1,102,983	0	For
Hartford	1,039,109	0	For
Charles Schwab	654,868	0	For
Royce	541,452	0	For
MADISON FUNDS	518,586	0	For
State Street	9,496	447,117	Abstain
Dimensional	448,593	0	For
Brighthouse	347,107	12,168	For
John Hancock	337,733	0	For
Jackson National	258,842	0	For
Principal	228,359	0	For
JPMorgan	207,229	0	For
Thrivent	203,319	0	For
Equitable	177,865	0	For
Direxion Shares ETF Trust	176,670	0	For
Bridge Builder Trust	81,775	89,837	Abstain
Goldman Sachs	166,988	0	For
ETF Series Solutions	142,979	0	For

Showing the 25 largest of 119 asset managers. See all 119 in the interactive database.

7. The election of the two nominees listed below as Class II Directors, each to serve for a three-year term: John T.C. Lee

DIRECTOR ELECTIONSMajority of the votes cast: yes

Meeting held 2025-05-12.

Combines 8 wordings of this item as funds reported it.

99.3% Majority: yes · of votes cast

FOR 99.3%

FOR: 59,950,434WITHHELD: 379,281

MKS INSTRUMENTS INC.’s own tally for this item (“Elect Director: John T.C. Lee”): 59,950,434 for, 379,281 withheld, per its Form 8-K filed 2025-05-15 (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.

The 118 asset managers below cast 100% of the shares they voted on this item FOR (36,516,975 for, 0 against).

FOR 99.9%

FOR: 36,516,975 (100.0%)ABSTAIN: 12,182 (0.0%)

Largest asset managers voting on “The election of the two nominees listed below as Class II Directors, each to serve for a three-year term: John” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Abstain	Vote
Vanguard	7,834,201	0	For
Fidelity	4,539,316	0	For
BlackRock	4,469,577	0	For
Capital Group	3,476,866	0	For
Victory Capital	2,195,069	0	For
T. Rowe Price	2,093,781	0	For
Invesco	1,992,614	0	For
Neuberger Berman	1,102,983	0	For
Hartford	1,039,109	0	For
Charles Schwab	654,868	0	For
Royce	541,452	0	For
MADISON FUNDS	518,586	0	For
State Street	456,599	14	For
Dimensional	448,593	0	For
Brighthouse	347,107	12,168	For
John Hancock	337,733	0	For
Jackson National	258,842	0	For
Principal	228,359	0	For
JPMorgan	207,229	0	For
Thrivent	203,319	0	For
Equitable	177,865	0	For
Direxion Shares ETF Trust	176,670	0	For
Bridge Builder Trust	171,612	0	For
Goldman Sachs	166,988	0	For
ETF Series Solutions	142,979	0	For

Showing the 25 largest of 118 asset managers. See all 118 in the interactive database.

8. Advisory Vote to Ratify Named Executive Officers' Compensation

SECTION 14A SAY-ON-PAY VOTES

Meeting held 2025-05-12.

20% fund support · no official result

FOR 20%AGAINST 80%

The 12 asset managers below cast 20% of the shares they voted on this item FOR (469,802 for, 1,900,254 against).

FOR: 469,802 (19.8%)AGAINST: 1,900,254 (80.2%)

Largest asset managers voting on “Advisory Vote to Ratify Named Executive Officers' Compensation” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Against	Vote
NORDEA INVESTMENT MANAGEMENT AB	61,638	1,885,144	Against
JPMorgan	358,313	0	For
Empower	34,781	0	For
Desjardins Global Asset Management Inc.	0	15,110	Against
WASHINGTON CAPITAL MANAGEMENT, INC	6,300	0	For
Cornerstone Investment Partners, LLC	6,281	0	For
CLEARWATER INVESTMENT TRUST	1,500	0	For
HC CAPITAL TRUST	624	0	For
GuideStone	325	0	For
Convergence Investment Partners, LLC	40	0	For
BOFA SECURITIES, INC.	0	0	--
BofA Securities Europe SA	0	0	--

9. 14A Executive Compensation

SECTION 14A SAY-ON-PAY VOTES

Meeting held 2025-05-12.

100% fund support · no official result

FOR 100%

The 4 asset managers below cast 100% of the shares they voted on this item FOR (2,922 for, 0 against).

FOR: 2,922 (100.0%)

Largest asset managers voting on “14A Executive Compensation” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Vote
Claret Asset Management Corp	1,421	For
BOURNE LENT ASSET MANAGEMENT INC	929	For
Focus Partners Wealth	310	For
MQS Management LLC	262	For

10. Ratify PricewaterhouseCoopers LLP as Auditors

AUDIT-RELATED

Meeting held 2025-05-12.

94% fund support · no official result

FOR 94%

The 4 asset managers below cast 94% of the shares they voted on this item FOR (35,106 for, 2,124 against).

FOR: 35,106 (94.3%)AGAINST: 2,124 (5.7%)

Largest asset managers voting on “Ratify PricewaterhouseCoopers LLP as Auditors” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Against	Vote
Empower	34,781	0	For
CLEARWATER INVESTMENT TRUST	0	1,500	Against
HC CAPITAL TRUST	0	624	Against
GuideStone	325	0	For

11. Reduce Supermajority Vote Requirement

EXTRAORDINARY TRANSACTIONS

Meeting held 2025-05-12.

100% fund support · no official result

FOR 100%

The 4 asset managers below cast 100% of the shares they voted on this item FOR (37,230 for, 0 against).

FOR: 37,230 (100.0%)

Largest asset managers voting on “Reduce Supermajority Vote Requirement” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Vote
Empower	34,781	For
CLEARWATER INVESTMENT TRUST	1,500	For
HC CAPITAL TRUST	624	For
GuideStone	325	For

12. Reduce Supermajority Vote Requirement to Amend Bylaws

EXTRAORDINARY TRANSACTIONS

Meeting held 2025-05-12.

100% fund support · no official result

FOR 100%

The 4 asset managers below cast 100% of the shares they voted on this item FOR (37,230 for, 0 against).

FOR: 37,230 (100.0%)

Largest asset managers voting on “Reduce Supermajority Vote Requirement to Amend Bylaws” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Vote
Empower	34,781	For
CLEARWATER INVESTMENT TRUST	1,500	For
HC CAPITAL TRUST	624	For
GuideStone	325	For

13. DIRECTOR

DIRECTOR ELECTIONS

Meeting held 2025-05-12.

100% fund support · no official result

FOR 100%

The 3 asset managers below cast 100% of the shares they voted on this item FOR (40,219 for, 0 against).

FOR: 40,219 (100.0%)

Largest asset managers voting on “DIRECTOR” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Vote
Gabelli	33,586	For
Tributary Funds, Inc.	5,733	For
Tidal Trust III	900	For

14. The approval, on an advisory basis, of executive compensation.

SECTION 14A SAY-ON-PAY VOTES

Meeting held 2024-05-07 (outside the 2024-2025 season's 1 July to 30 June window; reported in this season's filings).

Combines 2 wordings of this item as funds reported it.

0% fund support · no official result

AGAINST 100%

The 2 asset managers below cast 0% of the shares they voted on this item FOR (0 for, 1,523 against).

AGAINST: 1,523 (100.0%)

Largest asset managers voting on “The approval, on an advisory basis, of executive compensation.” at MKS INSTRUMENTS INC., 2024-2025
Asset manager	For	Against	Abstain	Withheld	Vote
COLDSTREAM CAPITAL MANAGEMENT INC	0	1,523	0	0	Against
Echo45 Advisors LLC	0	0	0	0	--

Largest MKS INSTRUMENTS INC. shareholders voting in 2024-2025

Ranked by the number of MKS INSTRUMENTS INC. shares each manager voted on the most widely held ballot item of the 2024-2025 meeting.

Top MKS INSTRUMENTS INC. shareholders by shares voted, 2024-2025
#	Asset manager	Shares voted
1	Fidelity	8,642,263
2	Vanguard	7,998,116
3	Capital Group	6,575,868
4	BlackRock	6,342,927
5	T. Rowe Price	5,663,927
6	Victory Capital	5,096,809
7	Invesco	4,121,066
8	Neuberger Berman	2,934,348
9	Wellington	2,575,501
10	State Street	2,347,841

Shown as share counts, not percentages: no shares-outstanding figure has been matched to MKS INSTRUMENTS INC. for the 2024-2025 season, so there is no denominator to divide by.

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. This page is a static snapshot rebuilt weekly on 02 October 2026; a live search always shows the current data.

At MKS INSTRUMENTS INC.'s shareholder meeting held 2025-05-12, in the 2024-2025 proxy season, 429 asset managers reported how they voted in their SEC Form N-PX filings, covering 3,806 separate fund positions. Their filings are grouped here into 14 reported items; because filers word the same ballot item differently, that can be more than the number of items on the ballot. MKS INSTRUMENTS INC.'s own Form 8-K tally for this meeting is published below, but no row in it could be matched to the most widely held item, so this page states no certified outcome for that item. On that item — The approval, on an advisory basis, of executive compensation. — the reporting funds cast 98% of the shares they voted in favour (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). That is the aggregate of those managers' own N-PX disclosures, not the company's certified result, and the funds are a subset of all shareholders.

MKS INSTRUMENTS INC. proxy season coverage: 2023-2024 · 2024-2025 (this page).