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Compiled from SEC Form N-PX filings and ALTAIR ENGINEERING INC.’s Form 8-K, filed January 22, 2025 (Item 5.07 on EDGAR). Page generated October 18, 2026.
Meeting of January 22, 2025: 2 items on ALTAIR ENGINEERING INC.’s Form 8-K, filed January 22, 2025: 1 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
Proxy season: 2023-2024 2024-2025
Explore ALTAIR ENGINEERING INC. in the interactive database Compare manager voting policies
These tallies are ALTAIR ENGINEERING INC.’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed January 22, 2025 (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 |
|---|---|---|---|---|---|---|---|---|
| 1. The Merger Agreement Proposal | 307,156,609 | 10,862 | 21,052 | -- | -- | 99.9% | Approved | — |
| 2. The Merger-Related Compensation Proposal | 305,518,588 | 1,530,771 | 139,164 | -- | -- | 99.5% | Not verified | — |
Source: ALTAIR ENGINEERING INC., Form 8-K, filed with the SEC on January 22, 2025 — read the filing on EDGAR.
Each item below shows how the 339 asset managers that disclosed a ALTAIR ENGINEERING 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 ALTAIR ENGINEERING 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 6 wordings of this item as funds reported it.
99.9% Approved · of votes cast
Description as filed by funds: To adopt the Agreement and Plan of Merger, dated as of October 30, 2024 (such agreement, as it may be amended from time to time, the "merger agreement"), among Altair Engineering Inc. ("Altair"), Siemens Industry Software Inc., a Delaware corporation ("Siemens"), and Astra Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Siemens ("Merger Sub"), pursuant to which, upon the terms and subject to the conditions of the merger agreement, Merger Sub will merge with and into Altair (the "merger"), with Altair surviving the merger and becoming a wholly owned subsidiary of Siemens (the "merger agreement proposal");
ALTAIR ENGINEERING INC.’s own tally for this item (“1. The Merger Agreement Proposal”): 307,156,609 for, 10,862 against — passed, per its Form 8-K filed January 22, 2025 (Item 5.07).
Reported outcome: Approved, in the filing’s own words: “Because Proposal 1 – The Merger Agreement Proposal – was approved, a vote on the adjournment proposal described in the Proxy Statement was not necessary.”
Support: 99.9% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.
The 110 asset managers below reported 20,238,379 for.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Vanguard | 6,482,818 | 0 | 0 | 0 | For |
| BlackRock | 4,830,822 | 0 | 0 | 0 | For |
| CONESTOGA FUNDS | 1,406,295 | 0 | 0 | 0 | For |
| Fidelity | 1,300,224 | 0 | 0 | 0 | For |
| BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 935,000 | 0 | 0 | 0 | For |
| Charles Schwab | 510,634 | 0 | 0 | 0 | For |
| AllianceBernstein | 438,035 | 0 | 0 | 0 | For |
| State Street | 418,976 | 0 | 0 | 0 | For |
| Dimensional | 367,311 | 0 | 0 | 0 | For |
| Putnam | 301,014 | 0 | 0 | 0 | For |
| Equitable | 239,796 | 0 | 0 | 0 | For |
| NEEDHAM FUNDS INC | 225,000 | 0 | 0 | 0 | For |
| Columbia Threadneedle | 200,054 | 0 | 0 | 0 | For |
| PRIMECAP Odyssey Funds | 165,283 | 0 | 0 | 0 | For |
| Jackson National | 150,373 | 0 | 0 | 0 | For |
| TIAA | 143,829 | 0 | 0 | 0 | For |
| Principal | 123,233 | 0 | 0 | 0 | For |
| MFS | 121,432 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 98,649 | 0 | 0 | 0 | For |
| ARBITRAGE FUNDS | 97,532 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 96,391 | 0 | 0 | 0 | For |
| John Hancock | 95,458 | 0 | 0 | 0 | For |
| NICHOLAS Ltd EDITION, INC. | 84,870 | 0 | 0 | 0 | For |
| Northern Trust | 83,280 | 0 | 0 | 0 | For |
| HOMESTEAD FUNDS INC | 66,877 | 0 | 0 | 0 | For |
Showing the 25 largest of 110 asset managers. See all 110 in the interactive database.
Combines 2 wordings of this item as funds reported it.
92% of fund votes cast · no official result
Description as filed by funds: TO APPROVE THE ADJOURNMENT OF THE SPECIAL MEETING, IF NECESSARY, TO SOLICIT ADDITIONAL PROXIES IF THERE ARE NOT SUFFICIENT VOTES TO APPROVE THE MERGER AGREEMENT PROPOSAL.
The 106 asset managers below reported 18,544,817 for, 1,641,657 against, 16,911 abstained. 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 | 6,482,818 | 0 | 0 | 0 | For |
| BlackRock | 4,830,822 | 0 | 0 | 0 | For |
| CONESTOGA FUNDS | 1,406,295 | 0 | 0 | 0 | For |
| Fidelity | 151,977 | 1,148,247 | 0 | 0 | Mixed |
| BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 935,000 | 0 | 0 | 0 | For |
| Charles Schwab | 510,634 | 0 | 0 | 0 | For |
| AllianceBernstein | 438,035 | 0 | 0 | 0 | For |
| State Street | 503 | 418,473 | 0 | 0 | Against |
| Dimensional | 367,311 | 0 | 0 | 0 | For |
| Putnam | 301,014 | 0 | 0 | 0 | For |
| Equitable | 239,796 | 0 | 0 | 0 | For |
| NEEDHAM FUNDS INC | 225,000 | 0 | 0 | 0 | For |
| Columbia Threadneedle | 200,054 | 0 | 0 | 0 | For |
| PRIMECAP Odyssey Funds | 165,283 | 0 | 0 | 0 | For |
| Jackson National | 150,373 | 0 | 0 | 0 | For |
| TIAA | 143,829 | 0 | 0 | 0 | For |
| Principal | 123,233 | 0 | 0 | 0 | For |
| MFS | 121,432 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 98,649 | 0 | 0 | 0 | For |
| ARBITRAGE FUNDS | 97,532 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 96,391 | 0 | 0 | 0 | For |
| John Hancock | 95,458 | 0 | 0 | 0 | For |
| NICHOLAS Ltd EDITION, INC. | 84,870 | 0 | 0 | 0 | For |
| Northern Trust | 83,280 | 0 | 0 | 0 | For |
| HOMESTEAD FUNDS INC | 66,877 | 0 | 0 | 0 | For |
Showing the 25 largest of 106 asset managers. See all 106 in the interactive database.
100% of fund votes cast · no official result
The 2 asset managers below reported 33,375 for. 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 |
|---|---|---|---|---|---|
| Empower | 32,546 | 0 | 0 | 0 | For |
| HC CAPITAL TRUST | 829 | 0 | 0 | 0 | For |
Combines 10 wordings of this item as funds reported it.
99.5% Majority: yes · of votes cast
Description as filed by funds: To approve on an advisory (non-binding) basis the compensation that may be paid or become payable to Altair's named executive officers that is based on or otherwise relates to the merger, and
ALTAIR ENGINEERING INC.’s own tally for this item (“2. The Merger-Related Compensation Proposal”): 305,518,588 for, 1,530,771 against, per its Form 8-K filed January 22, 2025 (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: 99.5% 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 | 6,482,818 | 0 | 0 | 0 | For |
| BlackRock | 4,830,822 | 0 | 0 | 0 | For |
| CONESTOGA FUNDS | 1,406,295 | 0 | 0 | 0 | For |
| Fidelity | 1,300,224 | 0 | 0 | 0 | For |
| BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 0 | 935,000 | 0 | 0 | Against |
| Charles Schwab | 510,634 | 0 | 0 | 0 | For |
| AllianceBernstein | 438,035 | 0 | 0 | 0 | For |
| State Street | 418,976 | 0 | 0 | 0 | For |
| Dimensional | 367,311 | 0 | 0 | 0 | For |
| Putnam | 301,014 | 0 | 0 | 0 | For |
| Equitable | 239,796 | 0 | 0 | 0 | For |
| NEEDHAM FUNDS INC | 225,000 | 0 | 0 | 0 | For |
| Columbia Threadneedle | 200,054 | 0 | 0 | 0 | For |
| PRIMECAP Odyssey Funds | 165,283 | 0 | 0 | 0 | For |
| Jackson National | 150,373 | 0 | 0 | 0 | For |
| TIAA | 0 | 143,829 | 0 | 0 | Against |
| Principal | 123,233 | 0 | 0 | 0 | For |
| MFS | 121,432 | 0 | 0 | 0 | For |
| QUANTITATIVE MASTER SERIES LLC | 98,649 | 0 | 0 | 0 | For |
| ARBITRAGE FUNDS | 97,532 | 0 | 0 | 0 | For |
| AIG/SunAmerica | 96,391 | 0 | 0 | 0 | For |
| John Hancock | 95,458 | 0 | 0 | 0 | For |
| NICHOLAS Ltd EDITION, INC. | 84,870 | 0 | 0 | 0 | For |
| Northern Trust | 83,280 | 0 | 0 | 0 | For |
| HOMESTEAD FUNDS INC | 66,877 | 0 | 0 | 0 | For |
Fund voting reports, all 105 managers: 19,064,999 for, 1,104,326 against, 34,060 abstained. Showing the 25 largest; see all in the interactive database.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Matrix Capital Management Company, LP | 12,427,813 | 0 | 0 | 0 | For |
| BlackRock | 2,398,172 | 0 | 0 | 0 | For |
| State Street | 1,983,334 | 0 | 0 | 0 | For |
| GEODE CAPITAL MANAGEMENT, LLC | 1,312,266 | 0 | 0 | 0 | For |
| IMPAX ASSET MANAGEMENT LLC | 1,069,045 | 0 | 0 | 0 | For |
| AllianceBernstein | 984,556 | 0 | 0 | 0 | For |
| BAMCO INC /NY/ | 0 | 935,000 | 0 | 0 | Against |
| UBS | 868,419 | 0 | 0 | 0 | For |
| Candriam S.C.A. | 669,128 | 0 | 0 | 0 | For |
| Northern Trust | 638,661 | 0 | 0 | 0 | For |
| Conestoga Capital Advisors, LLC | 575,055 | 34,955 | 0 | 0 | Mixed |
| Aberdeen | 566,936 | 0 | 0 | 0 | For |
| Charles Schwab | 520,390 | 0 | 0 | 0 | For |
| MELLON INVESTMENTS Corp | 382,667 | 0 | 0 | 0 | For |
| Woodline Partners LP | 340,672 | 0 | 0 | 0 | For |
| Putnam | 324,576 | 0 | 0 | 0 | For |
| Magnetar Financial LLC | 298,667 | 0 | 0 | 0 | For |
| PRIMECAP MANAGEMENT CO/CA/ | 247,123 | 0 | 0 | 0 | For |
| Man Group plc | 230,060 | 0 | 0 | 0 | For |
| Vanguard | 226,264 | 0 | 0 | 0 | For |
| CANADA PENSION PLAN INVESTMENT BOARD | 222,600 | 0 | 0 | 0 | For |
| TIG Advisors, LLC | 202,235 | 0 | 0 | 0 | For |
| AQR | 182,132 | 0 | 0 | 0 | For |
| PRINCIPAL GLOBAL INVESTORS | 166,517 | 0 | 0 | 0 | For |
| Pentwater Capital Management LP | 159,587 | 0 | 0 | 0 | For |
Institutional-manager reports, all 252 managers: 30,239,343 for, 1,379,384 against, 61,765 abstained, 5,075 not voted. Showing the 25 largest; see all in the interactive database.
Combines 2 wordings of this item as funds reported it.
100% Fund and manager reports combined; may count the same shares twice · no official result
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 |
|---|---|---|---|---|---|
| Empower | 32,546 | 0 | 0 | 0 | For |
| HC CAPITAL TRUST | 829 | 0 | 0 | 0 | For |
Fund voting reports, all 2 managers: 33,375 for.
| Asset manager | For | Against | Abstain | Withheld | Vote |
|---|---|---|---|---|---|
| Thematics Asset Management | 343,506 | 0 | 0 | 0 | For |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 139,844 | 0 | 0 | 0 | For |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 312 | 0 | 0 | 0 | For |
Institutional-manager reports, all 3 managers: 483,662 for.
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 84,085,000 shares outstanding at the time of that meeting.
| # | Asset manager | % of shares outstanding |
|---|---|---|
| 1 | Vanguard | 7.71% |
| 2 | BlackRock | 5.75% |
| 3 | CONESTOGA FUNDS | 1.67% |
| 4 | Fidelity | 1.55% |
| 5 | BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 1.11% |
| 6 | Charles Schwab | 0.61% |
| 7 | AllianceBernstein | 0.52% |
| 8 | State Street | 0.50% |
| 9 | Dimensional | 0.44% |
| 10 | Putnam | 0.36% |
| # | Asset manager | % of shares outstanding |
|---|---|---|
| 1 | Matrix Capital Management Company, LP | 14.78% |
| 2 | BlackRock | 2.85% |
| 3 | State Street | 2.36% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 1.56% |
| 5 | IMPAX ASSET MANAGEMENT LLC | 1.27% |
| 6 | AllianceBernstein | 1.17% |
| 7 | BAMCO INC /NY/ | 1.11% |
| 8 | UBS | 1.03% |
| 9 | Candriam S.C.A. | 0.80% |
| 10 | Northern Trust | 0.76% |
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 |
|---|---|---|
| Matrix Capital Management Company LP | 14.55% | DEF14A |
| BlackRock, Inc. | 8.89% | 13G |
| The Vanguard Group, Inc. | 6.85% | DEF14A |
| Pictet Asset Management S.A. | 3.45% | DEF14A |
| George J. Christ | 1.16% | DEF14A |
| James R. Scapa | 0.26% | DEF14A |
| Nuveen | 0.20% | 13F |
| Mahalingam Srikanth | 0.16% | DEF14A |
| Norges Bank | 0.11% | 13F |
| Stephanie Buckner | 0.10% | DEF14A |
Percentages above are of 84,085,000 shares outstanding, as reported by ALTAIR ENGINEERING INC. on its Form 10-K dated December 31, 2024 (see the filing on EDGAR). This is the count contemporaneous with the 2024-2025 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 ALTAIR ENGINEERING INC.’s 10-K dated December 31, 2024. This page is a static snapshot rebuilt weekly on October 18, 2026; a live search always shows the current data.
At ALTAIR ENGINEERING INC.'s shareholder meeting held January 22, 2025, in the 2024-2025 proxy season, 339 asset managers reported how they voted in their SEC Form N-PX filings, covering 1,283 separate fund positions. Their filings are grouped here into 5 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 (non-binding) basis the compensation that may be paid or become… — FOR was 99.5% 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: ALTAIR ENGINEERING INC.'s Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission on January 22, 2025.
ALTAIR ENGINEERING INC. proxy season coverage: 2023-2024 · 2024-2025 (this page).
Download data (CSV): ballot items · votes by manager · column guide.