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At Mammoth Energy Services, Inc.'s shareholder meeting held June 25, 2026, in the 2025-2026 proxy season, 92 asset managers reported how they voted in their SEC Form N-PX filings, covering 988 separate fund positions. Their filings are grouped here into 9 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 — TO APPROVE, ON AN ADVISORY BASIS, THE COMPANY'S EXECUTIVE COMPENSATION — Mammoth Energy Services, Inc.'s filing reports the proposal as approved, with 99.2% support 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). Source: Mammoth Energy Services, Inc.'s Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission on June 26, 2026.
Download data (CSV): ballot items · votes by manager · column guide.
Compiled from SEC Form N-PX filings and Mammoth Energy Services, Inc.’s Form 8-K, filed June 26, 2026 (Item 5.07 on EDGAR). Page generated November 8, 2026.
Meeting of June 25, 2026: 8 items on Mammoth Energy Services, Inc.’s Form 8-K, filed June 26, 2026: 5 elected · 2 approved · 1 without a stated outcome.
None.
Material dissent: a director nominee under 80% of the votes cast, say-on-pay under 70%, any other item the board put forward under 80%, or a shareholder proposal with more than 50%, on the company’s own Form 8-K tally. How this is decided
Explore Mammoth Energy Services, Inc. in the interactive database Compare manager voting policies
These tallies are Mammoth Energy Services, Inc.’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed June 26, 2026 (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.
| Ballot item | For | Against | Abstain | Withheld | Broker non-votes | Support (of votes cast) | Reported outcome | Voting standard |
|---|---|---|---|---|---|---|---|---|
| Elect Director: Arthur Amron | 35,060,078 | 1,519,819 | 13,901 | -- | 5,550,784 | 96% | Not verified | — |
| Elect Director: Corey Booker | 36,086,616 | 483,459 | 23,723 | -- | 5,550,784 | 99% | Elected | — |
| Elect Director: Paul Jacobi | 36,167,165 | 413,462 | 13,171 | -- | 5,550,784 | 99% | Elected | — |
| Elect Director: Phil Lancaster | 36,268,346 | 314,406 | 11,046 | -- | 5,550,784 | 99.1% | Elected | — |
| Elect Director: James Palm | 33,638,074 | 2,944,525 | 11,199 | -- | 5,550,784 | 92% | Elected | — |
| Elect Director: Mark Plaumann | 35,401,066 | 1,181,523 | 11,209 | -- | 5,550,784 | 97% | Elected | — |
| 2. The compensation paid to the Company's named executive officers | 36,252,635 | 264,334 | 76,829 | -- | 5,550,784 | 99.2% | Approved | — |
| 4. Appointment of Carr, Riggs & Ingram L.L.C. as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026 | 42,054,219 | 87,134 | 3,229 | -- | -- | 99.7% | Approved | — |
Source: Mammoth Energy Services, Inc., Form 8-K, filed with the SEC on June 26, 2026 — read the filing on EDGAR.
Each item below shows how the 92 asset managers that disclosed a Mammoth Energy Services, 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 Mammoth Energy Services, 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.
Combines 2 wordings of this item as funds reported it.
96% Majority: yes · of votes cast
Description as filed by funds: Election of Directors: Arthur Amron
Mammoth Energy Services, Inc.’s own tally for this item (“Elect Director: Arthur Amron”): 35,060,078 for, 1,519,819 against, per its Form 8-K filed June 26, 2026 (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.
Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 96% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 35 asset managers below reported 2,587,674 for, 668,777 against.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 945,698 | 2,951 | 0 | 0 | For |
| BlackRock | 716,461 | 0 | 0 | 0 | For |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 0 | 241,313 | 0 | 0 | Against |
| Russell Investments | 0 | 188,664 | 0 | 0 | Against |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 0 | 108,011 | 0 | 0 | Against |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| Charles Schwab | 0 | 58,861 | 0 | 0 | Against |
| QUANTITATIVE MASTER SERIES LLC | 45,251 | 0 | 0 | 0 | For |
| TIAA | 0 | 32,142 | 0 | 0 | Against |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 20,357 | 0 | 0 | 0 | For |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 0 | 12,463 | 0 | 0 | Against |
| Global X | 0 | 11,706 | 0 | 0 | Against |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 8,643 | 0 | 0 | 0 | For |
| Pacific Life | 7,959 | 0 | 0 | 0 | For |
| WILSHIRE MUTUAL FUNDS INC | 0 | 6,245 | 0 | 0 | Against |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
| DWS | 3,702 | 0 | 0 | 0 | For |
Showing the 25 largest of 35 asset managers. All 35 are in the interactive database (link above).
Combines 2 wordings of this item as funds reported it.
99% Majority: yes · of votes cast
Description as filed by funds: Election of Directors: Corey Booker
Mammoth Energy Services, Inc.’s own tally for this item (“Elect Director: Corey Booker”): 36,086,616 for, 483,459 against, per its Form 8-K filed June 26, 2026 (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.
Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, Phil Lancaster, James Palm and Mark Plaumann were elected to continue to serve as the Company's directors until the 2027 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, …”
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 35 asset managers below reported 3,254,341 for, 2,110 against.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 946,675 | 1,974 | 0 | 0 | For |
| BlackRock | 716,461 | 0 | 0 | 0 | For |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 241,313 | 0 | 0 | 0 | For |
| Russell Investments | 188,664 | 0 | 0 | 0 | For |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 108,011 | 0 | 0 | 0 | For |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| Charles Schwab | 58,861 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 45,251 | 0 | 0 | 0 | For |
| TIAA | 32,142 | 0 | 0 | 0 | For |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 20,357 | 0 | 0 | 0 | For |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 12,463 | 0 | 0 | 0 | For |
| Global X | 11,706 | 0 | 0 | 0 | For |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 8,643 | 0 | 0 | 0 | For |
| Pacific Life | 7,959 | 0 | 0 | 0 | For |
| WILSHIRE MUTUAL FUNDS INC | 6,245 | 0 | 0 | 0 | For |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
| DWS | 3,702 | 0 | 0 | 0 | For |
Showing the 25 largest of 35 asset managers. All 35 are in the interactive database (link above).
Combines 2 wordings of this item as funds reported it.
92% Majority: yes · of votes cast
Description as filed by funds: Election of Directors: James Palm
Mammoth Energy Services, Inc.’s own tally for this item (“Elect Director: James Palm”): 33,638,074 for, 2,944,525 against, per its Form 8-K filed June 26, 2026 (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.
Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, Phil Lancaster, James Palm and Mark Plaumann were elected to continue to serve as the Company's directors until the 2027 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, …”
Support: 92% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 35 asset managers below reported 1,795,187 for, 1,461,264 against.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 945,692 | 2,957 | 0 | 0 | For |
| BlackRock | 0 | 716,461 | 0 | 0 | Against |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 0 | 241,313 | 0 | 0 | Against |
| Russell Investments | 0 | 188,664 | 0 | 0 | Against |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 0 | 108,011 | 0 | 0 | Against |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| Charles Schwab | 0 | 58,861 | 0 | 0 | Against |
| QUANTITATIVE MASTER SERIES LLC | 0 | 45,251 | 0 | 0 | Against |
| TIAA | 0 | 32,142 | 0 | 0 | Against |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 6,190 | 14,167 | 0 | 0 | Mixed |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 0 | 12,463 | 0 | 0 | Against |
| Global X | 0 | 11,706 | 0 | 0 | Against |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 0 | 8,643 | 0 | 0 | Against |
| Pacific Life | 0 | 7,959 | 0 | 0 | Against |
| WILSHIRE MUTUAL FUNDS INC | 0 | 6,245 | 0 | 0 | Against |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
| DWS | 3,702 | 0 | 0 | 0 | For |
Showing the 25 largest of 35 asset managers. All 35 are in the interactive database (link above).
Combines 2 wordings of this item as funds reported it.
97% Majority: yes · of votes cast
Description as filed by funds: Election of Directors: Mark Plaumann
Mammoth Energy Services, Inc.’s own tally for this item (“Elect Director: Mark Plaumann”): 35,401,066 for, 1,181,523 against, per its Form 8-K filed June 26, 2026 (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.
Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, Phil Lancaster, James Palm and Mark Plaumann were elected to continue to serve as the Company's directors until the 2027 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, …”
Support: 97% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 35 asset managers below reported 2,774,605 for, 481,846 against.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 947,670 | 979 | 0 | 0 | For |
| BlackRock | 716,461 | 0 | 0 | 0 | For |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 0 | 241,313 | 0 | 0 | Against |
| Russell Investments | 0 | 188,664 | 0 | 0 | Against |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 108,011 | 0 | 0 | 0 | For |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| Charles Schwab | 58,861 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 45,251 | 0 | 0 | 0 | For |
| TIAA | 0 | 32,142 | 0 | 0 | Against |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 20,357 | 0 | 0 | 0 | For |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 0 | 12,463 | 0 | 0 | Against |
| Global X | 11,706 | 0 | 0 | 0 | For |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 8,643 | 0 | 0 | 0 | For |
| Pacific Life | 7,959 | 0 | 0 | 0 | For |
| WILSHIRE MUTUAL FUNDS INC | 6,245 | 0 | 0 | 0 | For |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
| DWS | 3,702 | 0 | 0 | 0 | For |
Showing the 25 largest of 35 asset managers. All 35 are in the interactive database (link above).
Combines 2 wordings of this item as funds reported it.
99% Majority: yes · of votes cast
Description as filed by funds: Election of Directors: Paul Jacobi
Mammoth Energy Services, Inc.’s own tally for this item (“Elect Director: Paul Jacobi”): 36,167,165 for, 413,462 against, per its Form 8-K filed June 26, 2026 (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.
Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, Phil Lancaster, James Palm and Mark Plaumann were elected to continue to serve as the Company's directors until the 2027 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, …”
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 35 asset managers below reported 3,254,341 for, 2,110 against.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 946,675 | 1,974 | 0 | 0 | For |
| BlackRock | 716,461 | 0 | 0 | 0 | For |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 241,313 | 0 | 0 | 0 | For |
| Russell Investments | 188,664 | 0 | 0 | 0 | For |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 108,011 | 0 | 0 | 0 | For |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| Charles Schwab | 58,861 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 45,251 | 0 | 0 | 0 | For |
| TIAA | 32,142 | 0 | 0 | 0 | For |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 20,357 | 0 | 0 | 0 | For |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 12,463 | 0 | 0 | 0 | For |
| Global X | 11,706 | 0 | 0 | 0 | For |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 8,643 | 0 | 0 | 0 | For |
| Pacific Life | 7,959 | 0 | 0 | 0 | For |
| WILSHIRE MUTUAL FUNDS INC | 6,245 | 0 | 0 | 0 | For |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
| DWS | 3,702 | 0 | 0 | 0 | For |
Showing the 25 largest of 35 asset managers. All 35 are in the interactive database (link above).
Combines 2 wordings of this item as funds reported it.
99.1% Majority: yes · of votes cast
Description as filed by funds: Election of Directors: Phil Lancaster
Mammoth Energy Services, Inc.’s own tally for this item (“Elect Director: Phil Lancaster”): 36,268,346 for, 314,406 against, per its Form 8-K filed June 26, 2026 (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.
Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, Phil Lancaster, James Palm and Mark Plaumann were elected to continue to serve as the Company's directors until the 2027 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, …”
Support: 99.1% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 35 asset managers below reported 3,256,450 for, 1 against.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 948,648 | 1 | 0 | 0 | For |
| BlackRock | 716,461 | 0 | 0 | 0 | For |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 241,313 | 0 | 0 | 0 | For |
| Russell Investments | 188,664 | 0 | 0 | 0 | For |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 108,011 | 0 | 0 | 0 | For |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| Charles Schwab | 58,861 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 45,251 | 0 | 0 | 0 | For |
| TIAA | 32,142 | 0 | 0 | 0 | For |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 20,357 | 0 | 0 | 0 | For |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 12,463 | 0 | 0 | 0 | For |
| Global X | 11,706 | 0 | 0 | 0 | For |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 8,643 | 0 | 0 | 0 | For |
| Pacific Life | 7,959 | 0 | 0 | 0 | For |
| WILSHIRE MUTUAL FUNDS INC | 6,245 | 0 | 0 | 0 | For |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
| DWS | 3,702 | 0 | 0 | 0 | For |
Showing the 25 largest of 35 asset managers. All 35 are in the interactive database (link above).
Combines 4 wordings of this item as funds reported it.
99.2% Approved · of votes cast
Description as filed by funds: TO APPROVE, ON AN ADVISORY BASIS, THE COMPANY'S EXECUTIVE COMPENSATION
Mammoth Energy Services, Inc.’s own tally for this item (“2. The compensation paid to the Company's named executive officers”): 36,252,635 for, 264,334 against — passed, per its Form 8-K filed June 26, 2026 (Item 5.07).
Reported outcome: Approved, in the filing’s own words: “Proposal 2 The Company's stockholders approved, on an advisory basis, the compensation paid to the Company's named executive officers.”
Support: 99.2% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 948,648 | 1 | 0 | 0 | For |
| BlackRock | 716,461 | 0 | 0 | 0 | For |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 241,313 | 0 | 0 | 0 | For |
| Russell Investments | 188,664 | 0 | 0 | 0 | For |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 108,011 | 0 | 0 | 0 | For |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| RBB FUND, INC. | 72,015 | 0 | 0 | 0 | For |
| Charles Schwab | 58,861 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 45,251 | 0 | 0 | 0 | For |
| TIAA | 32,142 | 0 | 0 | 0 | For |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 20,357 | 0 | 0 | 0 | For |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 12,463 | 0 | 0 | 0 | For |
| Global X | 11,706 | 0 | 0 | 0 | For |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 8,643 | 0 | 0 | 0 | For |
| Pacific Life | 7,959 | 0 | 0 | 0 | For |
| WILSHIRE MUTUAL FUNDS INC | 6,245 | 0 | 0 | 0 | For |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
Fund voting reports, all 37 managers: 3,329,838 for, 1 against. Showing the 25 largest; every one is in the interactive database (link above).
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| WEXFORD CAPITAL LP | 22,068,213 | 0 | 0 | 0 | For |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 4,083,041 | 0 | 0 | 0 | For |
| GEODE CAPITAL MANAGEMENT, LLC | 576,487 | 0 | 0 | 0 | For |
| BlackRock | 475,259 | 0 | 0 | 0 | For |
| Peapod Lane Capital LLC | 471,164 | 0 | 0 | 0 | For |
| State Street | 364,784 | 0 | 0 | 0 | For |
| Russell Investments | 310,284 | 0 | 0 | 0 | For |
| MELLON INVESTMENTS Corp | 222,314 | 0 | 0 | 0 | For |
| Boston Partners | 222,019 | 0 | 0 | 0 | For |
| Citadel | 188,287 | 0 | 0 | 0 | For |
| Vanguard | 178,941 | 0 | 0 | 0 | For |
| Maryland State Retirement & Pension System | 147,190 | 0 | 0 | 0 | For |
| STIFEL NICOLAUS & CO INC \MO\ | 112,572 | 0 | 0 | 0 | For |
| SEI | 108,897 | 0 | 0 | 0 | For |
| PARAMETRIC PORTFOLIO ASSOCIATES LLC | 105,540 | 0 | 0 | 0 | For |
| Dimensional | 101,768 | 0 | 0 | 0 | For |
| Renaissance | 97,936 | 0 | 0 | 0 | For |
| ACADIAN ASSET MANAGEMENT LLC | 96,416 | 0 | 0 | 0 | For |
| Northern Trust | 94,394 | 0 | 0 | 0 | For |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 91,000 | 0 | 0 | 0 | For |
| F/m Investments LLC | 72,015 | 0 | 0 | 0 | For |
| AQR | 61,384 | 0 | 0 | 0 | For |
| Charles Schwab | 58,861 | 0 | 0 | 0 | For |
| Nuveen | 37,276 | 0 | 0 | 0 | For |
| T. Rowe Price | 26,770 | 0 | 0 | 0 | For |
Institutional-manager reports, all 66 managers: 30,554,513 for, 3,812 against, 9,302 1 year. Showing the 25 largest; every one is in the interactive database (link above).
Combines 3 wordings of this item as funds reported it.
100% Fund and manager reports combined; may count the same shares twice · no official result
Description as filed by funds: TO APPROVE, ON AN ADVISORY BASIS, THE FREQUENCY OF HOLDING AN ADVISORY VOTE ON THE COMPENSATION PAID TO THE COMPANY'S NAMED EXECUTIVE OFFICERS
Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice). The figure above is FOR ÷ (FOR + AGAINST + WITHHELD) of the shares these managers voted; abstained and unvoted shares are in neither half, and these managers are a subset of all shareholders, not the meeting result.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 0 | 0 | 0 | 0 | -- |
| BlackRock | 0 | 0 | 0 | 0 | -- |
| Fidelity | 0 | 0 | 0 | 0 | -- |
| EA Series Trust | 0 | 0 | 0 | 0 | -- |
| Russell Investments | 0 | 0 | 0 | 0 | -- |
| Dimensional | 0 | 0 | 0 | 0 | -- |
| SEI | 0 | 0 | 0 | 0 | -- |
| BRIDGEWAY FUNDS INC | 0 | 0 | 0 | 0 | -- |
| RBB FUND, INC. | 0 | 0 | 0 | 0 | -- |
| Charles Schwab | 0 | 0 | 0 | 0 | -- |
| QUANTITATIVE MASTER SERIES LLC | 0 | 0 | 0 | 0 | -- |
| TIAA | 0 | 0 | 0 | 0 | -- |
| Lincoln Financial | 0 | 0 | 0 | 0 | -- |
| Equitable | 0 | 0 | 0 | 0 | -- |
| Jackson National | 0 | 0 | 0 | 0 | -- |
| Northern Trust | 0 | 0 | 0 | 0 | -- |
| AIG/SunAmerica | 0 | 0 | 0 | 0 | -- |
| Bridge Builder Trust | 0 | 0 | 0 | 0 | -- |
| Global X | 0 | 0 | 0 | 0 | -- |
| State Street | 0 | 0 | 0 | 0 | -- |
| Nationwide | 0 | 0 | 0 | 0 | -- |
| Pacific Life | 0 | 0 | 0 | 0 | -- |
| WILSHIRE MUTUAL FUNDS INC | 0 | 0 | 0 | 0 | -- |
| Prudential/PGIM | 0 | 0 | 0 | 0 | -- |
| American Century | 0 | 0 | 0 | 0 | -- |
Fund voting reports, all 37 managers: 3,117,021 1 year, 212,761 3 year, 57 unknown. Showing the 25 largest; every one is in the interactive database (link above).
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 0 | 0 | 0 | 0 | -- |
| GEODE CAPITAL MANAGEMENT, LLC | 0 | 0 | 0 | 0 | -- |
| BlackRock | 0 | 0 | 0 | 0 | -- |
| Peapod Lane Capital LLC | 0 | 0 | 0 | 0 | -- |
| State Street | 0 | 0 | 0 | 0 | -- |
| Russell Investments | 0 | 0 | 0 | 0 | -- |
| MELLON INVESTMENTS Corp | 0 | 0 | 0 | 0 | -- |
| Boston Partners | 0 | 0 | 0 | 0 | -- |
| Citadel | 0 | 0 | 0 | 0 | -- |
| Vanguard | 0 | 0 | 0 | 0 | -- |
| Maryland State Retirement & Pension System | 0 | 0 | 0 | 0 | -- |
| STIFEL NICOLAUS & CO INC \MO\ | 0 | 0 | 0 | 0 | -- |
| SEI | 0 | 0 | 0 | 0 | -- |
| PARAMETRIC PORTFOLIO ASSOCIATES LLC | 0 | 0 | 0 | 0 | -- |
| Dimensional | 0 | 0 | 0 | 0 | -- |
| Renaissance | 0 | 0 | 0 | 0 | -- |
| ACADIAN ASSET MANAGEMENT LLC | 0 | 0 | 0 | 0 | -- |
| Northern Trust | 0 | 0 | 0 | 0 | -- |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0 | 0 | 0 | 0 | -- |
| F/m Investments LLC | 0 | 0 | 0 | 0 | -- |
| AQR | 0 | 0 | 0 | 0 | -- |
| Charles Schwab | 0 | 0 | 0 | 0 | -- |
| Nuveen | 0 | 0 | 0 | 0 | -- |
| T. Rowe Price | 0 | 0 | 0 | 0 | -- |
| Rhumbline | 9,302 | 0 | 0 | 0 | For |
Institutional-manager reports, all 65 managers: 9,302 for, 8,387,344 1 year, 102,768 3 year. Showing the 25 largest; every one is in the interactive database (link above).
Combines 2 wordings of this item as funds reported it.
99.7% Approved · of votes cast
Description as filed by funds: TO RATIFY THE APPOINTMENT OF CARR, RIGGS & INGRAM, L.L.C. AS THE COMPANY'S INDEPENDENT AUDITORS FOR THE FISCAL YEAR ENDING DECEMBER 31, 2026
Mammoth Energy Services, Inc.’s own tally for this item (“4. Appointment of Carr, Riggs & Ingram L.L.C. as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026”): 42,054,219 for, 87,134 against — passed, per its Form 8-K filed June 26, 2026 (Item 5.07).
Reported outcome: Approved, in the filing’s own words: “Proposal 4 The appointment of Carr, Riggs & Ingram L.L.C. as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified.”
Support: 99.7% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 36 asset managers below reported 3,257,824 for.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 948,649 | 0 | 0 | 0 | For |
| BlackRock | 716,461 | 0 | 0 | 0 | For |
| Fidelity | 483,099 | 0 | 0 | 0 | For |
| EA Series Trust | 241,313 | 0 | 0 | 0 | For |
| Russell Investments | 188,664 | 0 | 0 | 0 | For |
| Dimensional | 186,246 | 0 | 0 | 0 | For |
| SEI | 108,011 | 0 | 0 | 0 | For |
| BRIDGEWAY FUNDS INC | 81,500 | 0 | 0 | 0 | For |
| Charles Schwab | 58,861 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 45,251 | 0 | 0 | 0 | For |
| TIAA | 32,142 | 0 | 0 | 0 | For |
| Lincoln Financial | 22,816 | 0 | 0 | 0 | For |
| Equitable | 20,357 | 0 | 0 | 0 | For |
| Jackson National | 13,393 | 0 | 0 | 0 | For |
| Northern Trust | 12,805 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 12,613 | 0 | 0 | 0 | For |
| Bridge Builder Trust | 12,463 | 0 | 0 | 0 | For |
| Global X | 11,706 | 0 | 0 | 0 | For |
| State Street | 9,147 | 0 | 0 | 0 | For |
| Nationwide | 8,643 | 0 | 0 | 0 | For |
| Pacific Life | 7,959 | 0 | 0 | 0 | For |
| WILSHIRE MUTUAL FUNDS INC | 6,245 | 0 | 0 | 0 | For |
| Prudential/PGIM | 5,570 | 0 | 0 | 0 | For |
| American Century | 3,873 | 0 | 0 | 0 | For |
| DWS | 3,702 | 0 | 0 | 0 | For |
Showing the 25 largest of 36 asset managers. All 36 are in the interactive database (link above).
Ranked separately for each type of Form N-PX report. An institutional manager can report shares that a fund it advises also reports, so the two tables can list the same shares and are never added together. Each is ranked by the shares voted on the item that the most managers of that type reported, shown as a share of the 48,170,647 shares outstanding at the time of that meeting.
| # | Asset manager | % of shares outstanding |
|---|---|---|
| 1 | Vanguard | 1.97% |
| 2 | BlackRock | 1.49% |
| 3 | Fidelity | 1.00% |
| 4 | EA Series Trust | 0.50% |
| 5 | Russell Investments | 0.39% |
| 6 | Dimensional | 0.39% |
| 7 | SEI | 0.22% |
| 8 | BRIDGEWAY FUNDS INC | 0.17% |
| 9 | RBB FUND, INC. | 0.15% |
| 10 | Charles Schwab | 0.12% |
| # | Asset manager | % of shares outstanding |
|---|---|---|
| 1 | WEXFORD CAPITAL LP | 45.81% |
| 2 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 8.48% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 1.20% |
| 4 | BlackRock | 0.99% |
| 5 | Peapod Lane Capital LLC | 0.98% |
| 6 | State Street | 0.76% |
| 7 | Russell Investments | 0.64% |
| 8 | MELLON INVESTMENTS Corp | 0.46% |
| 9 | Boston Partners | 0.46% |
| 10 | Citadel | 0.39% |
As disclosed to the SEC in Form 13F (quarter-end holdings of 30 large managers), Schedules 13D and 13G (beneficial ownership above 5%) and the company’s own proxy statement (DEF 14A). Each row names its form.
| Holder | % outstanding | Disclosure |
|---|---|---|
| Wexford Capital LP | 25.06% | 13G |
| Charles E. Davidson | 13.43% | 13G |
| BlackRock | 3.02% | 13F |
| Vanguard Group | 2.12% | 13F |
| Dimensional Fund Advisors | 1.42% | 13F |
| Geode Capital | 1.27% | 13F |
| State Street | 0.88% | 13F |
| Citadel Advisors | 0.71% | 13F |
| Morgan Stanley | 0.61% | 13F |
| Renaissance Technologies | 0.48% | 13F |
Percentages above are of 48,170,647 shares outstanding, as reported by Mammoth Energy Services, Inc. on its Form 10-Q dated May 6, 2026 (see the filing on EDGAR). This is the count contemporaneous with the 2025-2026 meeting, not today’s. Each holding is as of its own filing, which may be dated before or after the meeting.
Every figure above is derived from filings made with the US Securities and Exchange Commission: Form N-PX, in which registered funds disclose how they voted every proxy and institutional managers disclose their votes on executive pay (say-on-pay, say-on-frequency and golden parachutes), and Form 8-K Item 5.07, in which the company reports its own meeting results. Shares outstanding are taken from Mammoth Energy Services, Inc.’s 10-Q dated May 6, 2026. This page is a static snapshot rebuilt weekly on November 8, 2026; a live search always shows the current data.
Mammoth Energy Services, Inc. proxy season coverage: 2023-2024 · 2024-2025 · 2025-2026 (this page).
proxyvotesnow.com, “Mammoth Energy Services (TUSK) 2026 Annual Meeting: Vote Results”, https://proxyvotesnow.com/company/mammoth-energy-services-inc/2026 (version of November 8, 2026). Derived from SEC Form N-PX and Form 8-K filings; tables licensed CC BY 4.0. Licence: CC BY 4.0.