Altair Engineering Inc.
ALTRDelisted Mar 26, 2025- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001701732
Altair Engineering Inc. was delisted on Mar 26, 2025; its insiders filed their last Form 4 on Mar 26, 2025; 298 institutions reported holding it in 13F filings for Q4 2024, worth $6.27B in total; ARK Invest was the only superinvestor holding it.
13F holders, Q1 2025
Institutional positions in Altair Engineering Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
ALTR is no longer listed, and 13F filings after Q4 2024 list far fewer holders. See Q4 2024
- Institutional holders
- 3
- −289 vs. Q4 2024
- Shares held
- 465
- −57.3M (−100.0%) vs. Q4 2024
- Total value
- $53.7K
- −$6.25B (−100.0%) vs. Q4 2024
- New holders
- 0
- 0 more added
- Sold out
- 289
- 2 more reduced
6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALTR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $2.08K |
| Q1 2026 | 1 | $2.08K |
| Q4 2025 | 1 | $2.08K |
| Q3 2025 | 1 | $2.08K |
| Q2 2025 | 2 | $4.13K |
| Q1 2025 | 3 | $53.7K |
| Q4 2024 | 298 | $6.27B |
| Q3 2024 | 252 | $5.79B |
| Q2 2024 | 240 | $5.90B |
| Q1 2024 | 233 | $4.82B |
| Q4 2023 | 216 | $4.62B |
| Q3 2023 | 194 | $3.30B |
| Q2 2023 | 214 | $3.94B |
| Q1 2023 | 199 | $3.73B |
| Q4 2022 | 173 | $2.25B |
| Q3 2022 | 178 | $2.21B |
| Q2 2022 | 184 | $2.63B |
| Q1 2022 | 189 | $3.19B |
| Q4 2021 | 176 | $3.83B |
| Q3 2021 | 173 | $3.36B |
| Q2 2021 | 165 | $3.07B |
| Q1 2021 | 164 | $2.69B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Altair Engineering Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Principal Securities, Inc. | 333 | $36.3K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 131 | $15.1K | 0.00% | −1,558−92.2% | Reduced |
| Huntington National Bank | 1 | $2.28K | 0.00% | −4−80.0% | Reduced |
| Matrix Capital Management Company, LP | 0 | $0 | 0.00% | −12,430,000−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −7,478,856−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −6,894,230−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −2,779,518−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −2,122,319−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −1,394,124−100.0% | Sold out |
| Impax Asset Management Group plc | 0 | $0 | 0.00% | −1,196,098−100.0% | Sold out |
| Conestoga Capital Advisors, LLC | 0 | $0 | 0.00% | −1,112,548−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −1,066,016−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −909,907−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −897,580−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −751,191−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −614,335−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −591,573−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −569,534−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −566,936−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −566,791−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −560,612−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −547,863−100.0% | Sold out |
| Bamco Inc | 0 | $0 | 0.00% | −539,002−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −506,579−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −487,904−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −421,883−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −393,713−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −381,061−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −364,814−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −347,348−100.0% | Sold out |
| Thematics Asset Management | 0 | $0 | 0.00% | −341,939−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −331,528−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −330,957−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −316,994−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −299,998−100.0% | Sold out |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −282,000−100.0% | Sold out |
| Primecap Management Co | 0 | $0 | 0.00% | −238,363−100.0% | Sold out |
| Needham Investment Management LLC | 0 | $0 | 0.00% | −225,000−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −222,600−100.0% | Sold out |
| TIG Advisors, LLC | 0 | $0 | 0.00% | −220,467−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −220,435−100.0% | Sold out |
| Westchester Capital Management, LLC | 0 | $0 | 0.00% | −210,020−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −203,035−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −202,091−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −197,530−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −192,694−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −192,502−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −180,621−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −178,626−100.0% | Sold out |
| Slotnik Capital, LLC | 0 | $0 | 0.00% | −177,629−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −171,713−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −168,665−100.0% | Sold out |
| Comerica Bank | 0 | $0 | 0.00% | −163,222−100.0% | Sold out |
| King Luther Capital Management Corp | 0 | $0 | 0.00% | −158,402−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −149,483−100.0% | Sold out |
| Water Island Capital LLC | 0 | $0 | 0.00% | −144,509−100.0% | Sold out |
| One68 Global Capital, LLC | 0 | $0 | 0.00% | −140,043−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −116,900−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −113,823−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −113,000−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −100,659−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −95,743−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −94,231−100.0% | Sold out |
| Grantham, Mayo, Van Otterloo & Co. LLC | 0 | $0 | 0.00% | −92,434−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −91,460−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −91,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −89,273−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −87,830−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −87,089−100.0% | Sold out |
| Nicholas Company, Inc. | 0 | $0 | 0.00% | −85,960−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −80,956−100.0% | Sold out |
| Stephens Investment Management Group LLC | 0 | $0 | 0.00% | −76,735−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −76,363−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −75,779−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −72,945−100.0% | Sold out |
| Retirement Systems of Alabama | 0 | $0 | 0.00% | −72,685−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −70,047−100.0% | Sold out |
| Pentwater Capital Management LP | 0 | $0 | 0.00% | −69,362−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −68,262−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −67,162−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −66,964−100.0% | Sold out |
| RE Advisers Corp | 0 | $0 | 0.00% | −66,877−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −65,227−100.0% | Sold out |
| ClearAlpha Technologies LP | 0 | $0 | 0.00% | −64,987−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −64,851−100.0% | Sold out |
| Mutual of America Capital Management LLC | 0 | $0 | 0.00% | −64,020−100.0% | Sold out |
| Sit Investment Associates Inc | 0 | $0 | 0.00% | −63,543−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −63,202−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −59,655−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −55,955−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −55,253−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −55,226−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −53,994−100.0% | Sold out |
| Anson Funds Management LP | 0 | $0 | 0.00% | −50,085−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −49,773−100.0% | Sold out |
| Great West Life Assurance Co | 0 | $0 | 0.00% | −46,350−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −46,046−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −45,648−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −41,974−100.0% | Sold out |