Altair Engineering Inc. Class AALTR
13F holders, Q2 2024 (June 30)240holders +7
56new positions
48sold out
4famous investors
$98.06avg. 13F price*
At the end of Q2 2024, 240 institutions reported holding Altair Engineering Inc. Class A (ALTR) in their 13F filings, up 7 from Q1 2024. 56 opened new positions and 48 sold out. The largest holders were Matrix Capital Management Company, LP ($1.2B), BlackRock Inc. ($772.6M) and Vanguard Group Inc. ($618.0M). 4 famous investors held it, including Ron Baron (0.4% of Baron Capital (BAMCO)'s portfolio), Cathie Wood (0.0% of ARK Investment Management's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).
- Company
- Altair Engineering Inc. Class A
- CUSIP
- 021369103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 56 | $142.0M |
| Exits | 48 | $83.6M |
All 13F filers, Q1 2024 → Q2 2024: 7,335,753 shares bought and 3,130,972 shares sold, net +4,204,781 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 240 holders
| Matrix Capital Management Company, LP | 9.28% | No change | 12,430,000 | $1.2B |
| BlackRock Inc. | 0.02% | Add +49.1% | 7,877,110 | $772.6M |
| Vanguard Group Inc. | 0.01% | Add +6.0% | 6,300,946 | $618.0M |
| Conestoga Capital Advisors, LLC | 3.66% | Add +2.0% | 2,488,566 | $244.1M |
| Pictet Asset Management Holding SA | 0.27% | Reduce -9.0% | 2,386,187 | $234.0M |
| State Street Corp. | 0.01% | Add +58.5% | 1,988,368 | $195.0M |
| Invesco Ltd. | 0.03% | Reduce -5.6% | 1,478,754 | $145.0M |
| Impax Asset Management Group plc | 0.56% | Reduce -15.2% | 1,406,654 | $137.1M |
| Baron Capital (BAMCO) | 0.39% | No change | 1,385,507 | $135.9M |
| Geode Capital Management, LLC | 0.01% | Add +11.2% | 1,370,792 | $134.5M |
| Alliancebernstein L.P. | 0.04% | Reduce -6.5% | 1,293,851 | $126.9M |
| T. Rowe Price Investment Management, Inc. | 0.08% | Reduce -4.1% | 1,251,637 | $122.8M |
| Janus Henderson Group PLC | 0.06% | Add +0.1% | 1,068,822 | $104.8M |
| William Blair Investment Management, LLC | 0.24% | New | 933,818 | $91.6M |
| Ameriprise Financial Inc. | 0.02% | Reduce -2.0% | 830,038 | $81.4M |
| Morgan Stanley | 0.01% | Reduce -5.1% | 760,368 | $74.6M |
| Wellington Management Group LLP | 0.01% | Reduce -1.8% | 729,039 | $71.5M |
| AXA S.A. | 0.21% | Reduce -1.8% | 715,538 | $70.2M |
| Northern Trust Corp. | 0.01% | Add +21.6% | 650,506 | $63.8M |
| Aberdeen Group plc | 0.11% | Reduce -10.0% | 591,314 | $58.0M |
| Bank of New York Mellon Corp | 0.01% | Add +121.7% | 569,109 | $55.8M |
| Candriam S.C.A. | 0.34% | Add +28.9% | 560,565 | $55.0M |
| Dimensional Fund Advisors LP | 0.01% | Add +7.8% | 513,695 | $50.4M |
| Franklin Resources Inc. | 0.01% | Reduce -17.7% | 482,289 | $47.3M |
| Fred Alger Management, LLC | 0.22% | Add +0.6% | 467,469 | $45.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +6.3% | 462,878 | $45.4M |
| Royal Bank of Canada | 0.01% | Reduce -3.4% | 430,534 | $42.2M |
| Federated Hermes, Inc. | 0.09% | Add +6.0% | 397,096 | $38.9M |
| Stephens Investment Management Group LLC | 0.54% | Add +5.5% | 392,660 | $38.5M |
| Thematics Asset Management | 1.51% | No change | 376,281 | $36.9M |
| Palisade Capital Management, LP | 1.07% | Reduce -1.7% | 356,215 | $34.9M |
| Primecap Management Co. | 0.02% | Reduce -7.7% | 344,403 | $33.8M |
| Fisher Asset Management | 0.01% | Add +43.2% | 316,309 | $31.0M |
| Victory Capital Management Inc. | 0.03% | Add +16.6% | 310,041 | $30.4M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -5.7% | 298,124 | $29.2M |
| Principal Financial Group Inc. | 0.01% | Add +772.7% | 212,560 | $20.8M |
| FMR LLC | 0.00% | Add +1305.0% | 207,197 | $20.3M |
| Comerica Bank | 0.08% | Add +14.0% | 203,544 | $20.0M |
| Needham Investment Management LLC | 1.56% | Add +32.2% | 194,000 | $19.0M |
| Rhumbline Advisers | 0.02% | Add +127.2% | 178,788 | $17.5M |
| Jane Street Group, LLC | 0.02% | Reduce -42.4% | 174,924 | $17.2M |
| King Luther Capital Management Corp. | 0.07% | Add +5.4% | 165,423 | $16.2M |
| Eagle Asset Management Inc. | 0.09% | Reduce -12.7% | 162,785 | $15.9M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -31.3% | 161,645 | $15.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +144.8% | 160,515 | $15.7M |
| Bank of America Corp. | 0.00% | Add +12.7% | 158,596 | $15.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +130.7% | 146,547 | $14.4M |
| Neuberger Berman Group LLC | 0.01% | Reduce -49.0% | 140,891 | $13.8M |
| Great Lakes Advisors, LLC | 0.12% | New | 136,043 | $13.3M |
| Mairs & Power Inc. | 0.12% | Reduce -5.7% | 130,908 | $12.8M |
| JPMorgan Chase & Co. | 0.00% | Add +70.1% | 129,538 | $12.7M |
| New York State Common Retirement Fund | 0.02% | Add +2.0% | 122,009 | $12.0M |
| Raymond James & Associates | 0.01% | Reduce -11.3% | 120,008 | $11.8M |
| Swiss National Bank | 0.01% | Add +3.9% | 112,000 | $11.0M |
| Corebridge Financial, Inc. | 0.06% | — | 102,350 | $10.0M |
| State of Wisconsin Investment Board | 0.03% | Reduce -6.7% | 100,078 | $9.8M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.04% | Add +4.8% | 92,041 | $9.0M |
| Homestead Advisers Corp | 0.21% | Reduce -5.9% | 88,877 | $8.7M |
| Legal & General Group Plc | 0.00% | Add +56.6% | 88,045 | $8.6M |
| Nicholas Company, Inc. | 0.14% | Reduce -5.5% | 85,960 | $8.4M |
| Envestnet Asset Management Inc. | 0.00% | Add +8.9% | 85,065 | $8.3M |
| Axiom Investors LLC | 0.07% | Reduce -29.8% | 83,285 | $8.2M |
| Norges Bank | 0.00% | Reduce -24.2% | 71,406 | $7.0M |
| Wells Fargo & Company | 0.00% | Reduce -2.7% | 70,660 | $6.9M |
| Retirement Systems of Alabama | 0.03% | New | 70,287 | $6.9M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +120.4% | 69,886 | $6.9M |
| California Public Employees Retirement System | 0.00% | Add +60.7% | 67,341 | $6.6M |
| Mutual of America Capital Management LLC | 0.07% | Add +91.2% | 65,381 | $6.4M |
| Moody Aldrich Partners LLC | 1.25% | Add +121.5% | 65,326 | $6.4M |
| Sit Investment Associates Inc. | 0.14% | Add +6.5% | 63,543 | $6.2M |
| BNP Paribas Financial Markets | 0.01% | Reduce -40.1% | 62,279 | $6.1M |
| MetLife Investment Management, LLC | 0.04% | Add +122.3% | 61,932 | $6.1M |
| California State Teachers Retirement System | 0.01% | Add +1.7% | 55,592 | $5.5M |
| Voya Investment Management LLC | 0.01% | Reduce -59.2% | 53,816 | $5.3M |
| Acadian Asset Management LLC | 0.02% | Reduce -48.6% | 51,035 | $5.0M |
| ARK Investment Management | 0.04% | Reduce -9.5% | 50,530 | $5.0M |
| Sei Investments Co. | 0.01% | Add +29.5% | 39,899 | $3.9M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +658.1% | 38,991 | $3.8M |
| LPL Financial LLC | 0.00% | Reduce -1.4% | 35,078 | $3.4M |
| Barclays PLC | 0.00% | Reduce -33.9% | 32,911 | $3.2M |
| Epoch Investment Partners, Inc. | 0.01% | Reduce -0.9% | 31,375 | $3.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +19.8% | 30,830 | $3.0M |
| TD Asset Management Inc | 0.00% | Reduce -8.1% | 29,400 | $2.9M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | — | 29,121 | $2.9M |
| Amalgamated Bank | 0.02% | Add +1378.0% | 27,594 | $2.7M |
| Deutsche Bank AG | 0.00% | Reduce -10.6% | 26,695 | $2.6M |
| Teachers Retirement System of the State of Kentucky | 0.02% | Add +59.9% | 26,261 | $2.6M |
| Lighthouse Investment Partners, LLC | 0.14% | New | 25,000 | $2.5M |
| Yousif Capital Management, LLC | 0.03% | New | 23,754 | $2.3M |
| QRG Capital Management, Inc. | 0.03% | Add +15.3% | 23,684 | $2.3M |
| UBS Group AG | 0.00% | Reduce -77.8% | 23,126 | $2.3M |
| Bank of Montreal | 0.00% | Reduce -72.5% | 21,900 | $2.2M |
| Select Equity Group, L.P. | 0.01% | Add +2.3% | 21,789 | $2.1M |
| State of New Jersey Common Pension Fund D | 0.01% | Reduce -38.6% | 21,297 | $2.1M |
| Ensign Peak Advisors, Inc | 0.00% | No change | 21,277 | $2.1M |
| Abn Amro Investment Solutions | 0.04% | New | 21,195 | $2.1M |
| Glenmede Trust Co. NA | 0.01% | Add +31.9% | 21,009 | $2.1M |
| Citigroup Inc. | 0.00% | Reduce -24.0% | 20,962 | $2.1M |
| State of Tennessee, Department of Treasury | 0.01% | New | 20,446 | $2.0M |
| Zions Bancorporation, N.A. | 0.15% | Reduce -3.4% | 19,167 | $1.9M |
"% of holder's portfolio" is ALTR's weight in each manager's 13F, not the share of Altair Engineering Inc. Class A the manager owns.