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, Q4 2024
Institutional positions in Altair Engineering Inc. as of Dec 31, 2024. 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, so this page shows Q4 2024. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 298
- +49 vs. Q3 2024
- Shares held
- 57.4M
- −3.04M (−5.0%) vs. Q3 2024
- Total value
- $6.27B
- +$490.8M (+8.5%) vs. Q3 2024
- New holders
- 93
- 78 more added
- Sold out
- 44
- 97 more reduced
3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Altair Engineering Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Voloridge Investment Management, LLC | 41,974 | $4.58M | 0.02% | +41,974 | New |
| Deutsche Bank AG | 45,648 | $4.98M | 0.00% | +11,529+33.8% | Added |
| Vestcor Inc | 46,046 | $5.02M | 0.17% | +46,046 | New |
| Great West Life Assurance Co | 46,350 | $5.06M | 0.01% | +1,773+4.0% | Added |
| Calamos Advisors LLC | 49,773 | $5.43M | 0.03% | +49,773 | New |
| Polar Asset Management Partners Inc. | 50,000 | $5.46M | 0.08% | +50,000 | New |
| Anson Funds Management LP | 50,085 | $5.46M | 0.68% | +50,085 | New |
| Raymond James Financial Inc | 53,994 | $5.89M | 0.00% | +53,994 | New |
| California State Teachers Retirement System | 55,226 | $6.03M | 0.01% | +1,340+2.5% | Added |
| Federated Hermes, Inc. | 55,253 | $6.03M | 0.01% | −366,499−86.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 55,955 | $6.11M | 0.02% | +55,955 | New |
| Versor Investments LP | 59,655 | $6.51M | 1.12% | +54,556+1,069.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 63,202 | $6.90M | 0.04% | +50,102+382.5% | Added |
| Sit Investment Associates Inc | 63,543 | $6.93M | 0.16% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 64,020 | $6.99M | 0.08% | −568−0.9% | Reduced |
| Winton Group Ltd | 64,851 | $7.08M | 0.47% | +64,851 | New |
| ClearAlpha Technologies LP | 64,987 | $7.09M | 6.09% | +64,987 | New |
| MetLife Investment Management | 65,227 | $7.12M | 0.04% | +3,317+5.4% | Added |
| RE Advisers Corp | 66,877 | $7.30M | 0.18% | −7,500−10.1% | Reduced |
| Manufacturers Life Insurance Company, The | 66,964 | $7.31M | 0.01% | −2,234−3.2% | Reduced |
| Lighthouse Investment Partners, LLC | 67,162 | $7.33M | 0.28% | +56,662+539.6% | Added |
| Susquehanna International Group, LLP | 68,262 | $7.45M | 0.01% | +60,814+816.5% | Added |
| Pentwater Capital Management LP | 69,362 | $7.57M | 0.13% | +69,362 | New |
| Bank of Montreal | 70,047 | $7.64M | 0.00% | +57,675+466.2% | Added |
| Retirement Systems of Alabama | 72,685 | $7.93M | 0.03% | +494+0.7% | Added |
| Mercer Global Advisors Inc | 72,945 | $7.96M | 0.02% | +72,945 | New |
| Squarepoint Ops LLC | 75,779 | $8.27M | 0.02% | +18,572+32.5% | Added |
| New York Life Investment Management LLC | 76,363 | $8.33M | 0.08% | +70,017+1,103.3% | Added |
| Stephens Investment Management Group LLC | 76,735 | $8.37M | 0.11% | −299,544−79.6% | Reduced |
| Envestnet Asset Management Inc | 80,956 | $8.83M | 0.00% | −4,100−4.8% | Reduced |
| Nicholas Company, Inc. | 85,960 | $9.38M | 0.15% | 00.0% | Unchanged |
| Voya Investment Management LLC | 87,089 | $9.50M | 0.01% | +9,612+12.4% | Added |
| Invesco Ltd. | 87,830 | $9.58M | 0.00% | −1,318,131−93.8% | Reduced |
| Marshall Wace, LLP | 89,273 | $9.74M | 0.01% | +87,069+3,950.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 91,000 | $9.93M | 0.02% | +76,800+540.8% | Added |
| Citigroup Inc | 91,460 | $9.98M | 0.01% | +40,942+81.0% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 92,434 | $10.1M | 0.03% | +92,434 | New |
| Corebridge Financial, Inc. | 94,231 | $10.3M | 0.06% | −6,170−6.1% | Reduced |
| Legal & General Group Plc | 95,743 | $10.4M | 0.00% | +3,979+4.3% | Added |
| Adage Capital Partners GP, L.L.C. | 100,659 | $11.0M | 0.02% | +100,659 | New |
| FIL Ltd | 113,000 | $12.3M | 0.01% | +113,000 | New |
| Bank of America Corp | 113,823 | $12.4M | 0.00% | −43,773−27.8% | Reduced |
| Swiss National Bank | 116,900 | $12.8M | 0.01% | +5,700+5.1% | Added |
| One68 Global Capital, LLC | 140,043 | $15.3M | 8.17% | +140,043 | New |
| Water Island Capital LLC | 144,509 | $15.8M | 1.89% | +144,509 | New |
| Barclays PLC | 149,483 | $16.3M | 0.01% | +44,639+42.6% | Added |
| King Luther Capital Management Corp | 158,402 | $17.3M | 0.07% | −16,331−9.3% | Reduced |
| Comerica Bank | 163,222 | $17.8M | 0.07% | −36,862−18.4% | Reduced |
| Principal Financial Group Inc | 168,665 | $18.4M | 0.01% | +2,872+1.7% | Added |
| Nuveen Asset Management, LLC | 169,113 | $18.5M | 0.01% | +7,047+4.3% | Added |
| LMR Partners LLP | 171,713 | $18.7M | 0.33% | +171,713 | New |
| Slotnik Capital, LLC | 177,629 | $19.4M | 8.84% | +177,629 | New |
| Rhumbline Advisers | 178,626 | $19.5M | 0.02% | +1,875+1.1% | Added |
| HSBC Holdings PLC | 180,621 | $19.7M | 0.01% | +180,621 | New |
| UBS Group AG | 192,502 | $21.0M | 0.00% | +158,136+460.2% | Added |
| Davidson Kempner Capital Management LP | 192,694 | $21.0M | 0.37% | +192,694 | New |
| State of Wisconsin Investment Board | 197,530 | $21.6M | 0.06% | +97,452+97.4% | Added |
| Hudson Bay Capital Management LP | 202,091 | $22.1M | 0.13% | +202,091 | New |
| Ameriprise Financial Inc | 203,035 | $22.2M | 0.01% | −485,223−70.5% | Reduced |
| Westchester Capital Management, LLC | 210,020 | $22.9M | 1.33% | +210,020 | New |
| California Public Employees Retirement System | 220,435 | $24.1M | 0.02% | +127,009+135.9% | Added |
| TIG Advisors, LLC | 220,467 | $24.1M | 1.86% | +220,467 | New |
| Canada Pension Plan Investment Board | 222,600 | $24.3M | 0.02% | +222,600 | New |
| Needham Investment Management LLC | 225,000 | $24.5M | 1.89% | −6,500−2.8% | Reduced |
| Primecap Management Co | 238,363 | $26.0M | 0.02% | −84,130−26.1% | Reduced |
| Farallon Capital Management, L.L.C. | 282,000 | $30.8M | 0.16% | +282,000 | New |
| Woodline Partners LP | 299,998 | $32.7M | 0.22% | +299,998 | New |
| Tudor Investment Corp Et Al | 316,994 | $34.6M | 0.37% | +316,994 | New |
| Franklin Resources Inc | 330,957 | $36.1M | 0.01% | −97,326−22.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 331,528 | $36.2M | 0.23% | +329,016+13,097.8% | Added |
| Thematics Asset Management | 341,939 | $37.3M | 1.63% | −34,342−9.1% | Reduced |
| Norges Bank | 347,348 | $37.9M | 0.00% | +288,766+492.9% | Added |
| Royal Bank of Canada | 364,814 | $39.8M | 0.01% | −50,554−12.2% | Reduced |
| UBS Asset Management Americas Inc | 381,061 | $41.6M | 0.01% | +254,448+201.0% | Added |
| Man Group plc | 393,713 | $43.0M | 0.13% | +393,713 | New |
| Bank of New York Mellon Corp | 421,883 | $46.0M | 0.01% | −48,877−10.4% | Reduced |
| CNH Partners LLC | 487,904 | $53.2M | 1.26% | +487,904 | New |
| Charles Schwab Investment Management Inc | 506,579 | $55.3M | 0.01% | +1,109+0.2% | Added |
| Bamco Inc | 539,002 | $58.8M | 0.15% | −720,342−57.2% | Reduced |
| Morgan Stanley | 547,863 | $59.8M | 0.00% | −142,827−20.7% | Reduced |
| Millennium Management LLC | 560,612 | $61.2M | 0.05% | +560,612 | New |
| JPMorgan Chase & Co | 566,791 | $61.8M | 0.00% | +429,010+311.4% | Added |
| Standard Life Aberdeen plc | 566,936 | $61.9M | 0.12% | 00.0% | Unchanged |
| Magnetar Financial LLC | 569,534 | $62.1M | 1.43% | +569,534 | New |
| Dimensional Fund Advisors LP | 591,573 | $64.5M | 0.02% | +12,585+2.2% | Added |
| Candriam Luxembourg S.C.A. | 614,335 | $67.0M | 0.39% | −86,363−12.3% | Reduced |
| Northern Trust Corp | 751,191 | $82.0M | 0.01% | +63,368+9.2% | Added |
| UBS Oconnor LLC | 897,580 | $97.9M | 2.45% | +897,580 | New |
| Goldman Sachs Group Inc | 909,907 | $99.3M | 0.02% | +566,105+164.7% | Added |
| Alliancebernstein L.P. | 1,066,016 | $116.3M | 0.04% | −204,587−16.1% | Reduced |
| Conestoga Capital Advisors, LLC | 1,112,548 | $121.4M | 1.61% | −1,410,003−55.9% | Reduced |
| Impax Asset Management Group plc | 1,196,098 | $129.5M | 0.59% | −164,123−12.1% | Reduced |
| Geode Capital Management, LLC | 1,394,124 | $152.1M | 0.01% | −29,756−2.1% | Reduced |
| State Street Corp | 2,122,319 | $231.6M | 0.01% | +68,362+3.3% | Added |
| HBK Investments L P | 2,779,518 | $303.3M | 5.76% | +2,779,518 | New |
| Vanguard Group Inc | 6,894,230 | $752.2M | 0.01% | +317,575+4.8% | Added |
| BlackRock, Inc. | 7,478,856 | $816.0M | 0.02% | −565,929−7.0% | Reduced |
| Matrix Capital Management Company, LP | 12,430,000 | $1.36B | 63.04% | 00.0% | Unchanged |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −1,471,184−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −982,039−100.0% | Sold out |