Altair Engineering Inc. Class AALTR
13F holders, Q4 2024 (December 31)298holders +46
81new positions
43sold out
8famous investors
$109.09avg. 13F price*
At the end of Q4 2024, 298 institutions reported holding Altair Engineering Inc. Class A (ALTR) in their 13F filings, up 46 from Q3 2024. 81 opened new positions and 43 sold out. The largest holders were Matrix Capital Management Company, LP ($1.4B), BlackRock, Inc. ($816.0M) and Vanguard Group Inc. ($752.2M). 8 famous investors held it, including Paul Tudor Jones (0.4% of Tudor Investment Corporation's portfolio), Ron Baron (0.2% of Baron Capital (BAMCO)'s portfolio) and Israel Englander (0.1% of Millennium 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 81 | $1.1B |
| Exits | 43 | $560.3M |
All 13F filers, Q3 2024 → Q4 2024: 13,242,815 shares bought and 16,549,462 shares sold, net −3,306,647 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 298 holders
| Matrix Capital Management Company, LP | 63.04% | No change | 12,430,000 | $1.4B |
| BlackRock, Inc. | 0.02% | Reduce -7.0% | 7,478,856 | $816.0M |
| Vanguard Group Inc. | 0.01% | Add +4.8% | 6,894,230 | $752.2M |
| HBK Investments L P | 7.04% | New | 2,779,518 | $303.3M |
| State Street Corp. | 0.01% | Add +3.3% | 2,122,319 | $231.6M |
| Geode Capital Management, LLC | 0.01% | Reduce -2.1% | 1,394,124 | $152.1M |
| Impax Asset Management Group plc | 0.59% | Reduce -12.1% | 1,196,098 | $129.5M |
| Conestoga Capital Advisors, LLC | 1.61% | Reduce -55.9% | 1,112,548 | $121.4M |
| Alliancebernstein L.P. | 0.04% | Reduce -16.1% | 1,066,016 | $116.3M |
| Goldman Sachs Group Inc. | 0.02% | Add +164.7% | 909,907 | $99.3M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 2.52% | New | 897,580 | $97.9M |
| Northern Trust Corp. | 0.01% | Add +9.2% | 751,191 | $82.0M |
| Candriam S.C.A. | 0.39% | Reduce -12.3% | 614,335 | $67.0M |
| Dimensional Fund Advisors LP | 0.02% | Add +2.2% | 591,573 | $64.5M |
| Magnetar Financial LLC | 1.69% | New | 569,534 | $62.1M |
| Aberdeen Group plc | 0.12% | No change | 566,936 | $61.9M |
| JPMorgan Chase & Co. | 0.00% | Add +311.4% | 566,791 | $61.8M |
| Millennium Management | 0.05% | New | 560,612 | $61.2M |
| Morgan Stanley | 0.00% | Reduce -20.7% | 547,863 | $59.8M |
| Baron Capital (BAMCO) | 0.15% | Reduce -57.2% | 539,002 | $58.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +0.2% | 506,579 | $55.3M |
| AQR Arbitrage LLC | 2.25% | New | 487,904 | $53.2M |
| Bank of New York Mellon Corp | 0.01% | Reduce -10.4% | 421,883 | $46.0M |
| Man Group plc | 0.13% | New | 393,713 | $43.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +201.0% | 381,061 | $41.6M |
| Royal Bank of Canada | 0.01% | Reduce -12.2% | 364,814 | $39.8M |
| Norges Bank | 0.01% | Add +492.9% | 347,348 | $37.9M |
| Thematics Asset Management | 1.63% | Reduce -9.1% | 341,939 | $37.3M |
| Schonfeld Strategic Advisors LLC | 0.23% | Add +13097.8% | 331,528 | $36.2M |
| Franklin Resources Inc. | 0.01% | Reduce -22.7% | 330,957 | $36.1M |
| Tudor Investment Corporation | 0.37% | New | 316,994 | $34.6M |
| Woodline Partners LP | 0.22% | New | 299,998 | $32.7M |
| Farallon Capital Management, L.L.C. | 0.16% | New | 282,000 | $30.8M |
| Primecap Management Co. | 0.02% | Reduce -26.1% | 238,363 | $26.0M |
| Needham Investment Management LLC | 1.89% | Reduce -2.8% | 225,000 | $24.5M |
| Canada Pension Plan Investment Board | 0.02% | New | 222,600 | $24.3M |
| TIG Advisors, LLC | 1.86% | New | 220,467 | $24.1M |
| California Public Employees Retirement System | 0.02% | Add +135.9% | 220,435 | $24.1M |
| Westchester Capital Management, LLC | 1.36% | New | 210,020 | $22.9M |
| Ameriprise Financial Inc. | 0.01% | Reduce -70.5% | 203,035 | $22.2M |
| Hudson Bay Capital Management LP | 0.16% | New | 202,091 | $22.1M |
| State of Wisconsin Investment Board | 0.06% | Add +97.4% | 197,530 | $21.6M |
| Davidson Kempner Capital Management LP | 0.56% | New | 192,694 | $21.0M |
| UBS Group AG | 0.00% | Add +460.1% | 192,502 | $21.0M |
| HSBC Holdings PLC | 0.01% | New | 180,621 | $19.7M |
| Rhumbline Advisers | 0.02% | Add +1.1% | 178,626 | $19.5M |
| Slotnik Capital, LLC | 8.84% | New | 177,629 | $19.4M |
| LMR Partners LLP | 0.43% | New | 171,713 | $18.7M |
| Nuveen Asset Management, LLC | 0.01% | Add +4.3% | 169,113 | $18.5M |
| Principal Financial Group Inc. | 0.01% | Add +1.7% | 168,665 | $18.4M |
| Comerica Bank | 0.07% | Reduce -18.4% | 163,222 | $17.8M |
| King Luther Capital Management Corp. | 0.08% | Reduce -9.3% | 158,402 | $17.3M |
| Barclays PLC | 0.01% | Add +42.6% | 149,483 | $16.3M |
| Water Island Capital LLC | 2.07% | New | 144,509 | $15.8M |
| One68 Global Capital, LLC | 8.17% | — | 140,043 | $15.3M |
| Swiss National Bank | 0.01% | Add +5.1% | 116,900 | $12.8M |
| Bank of America Corp. | 0.00% | Reduce -27.8% | 113,823 | $12.4M |
| FIL Ltd | 0.01% | New | 113,000 | $12.3M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | New | 100,659 | $11.0M |
| Legal & General Group Plc | 0.00% | Add +4.3% | 95,743 | $10.4M |
| Corebridge Financial, Inc. | 0.06% | Reduce -6.2% | 94,231 | $10.3M |
| GMO | 0.03% | New | 92,434 | $10.1M |
| Citigroup Inc. | 0.01% | Add +81.0% | 91,460 | $10.0M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | Add +540.9% | 91,000 | $9.9M |
| Marshall Wace, LLP | 0.01% | Add +3950.5% | 89,273 | $9.7M |
| Invesco Ltd. | 0.00% | Reduce -93.8% | 87,830 | $9.6M |
| Voya Investment Management LLC | 0.01% | Add +12.4% | 87,089 | $9.5M |
| Nicholas Company, Inc. | 0.15% | No change | 85,960 | $9.4M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -4.8% | 80,956 | $8.8M |
| Stephens Investment Management Group LLC | 0.11% | Reduce -79.6% | 76,735 | $8.4M |
| New York Life Investment Management LLC | 0.08% | Add +1103.3% | 76,363 | $8.3M |
| Squarepoint Ops LLC | 0.02% | Add +32.5% | 75,779 | $8.3M |
| Mercer Global Advisors Inc. | 0.02% | New | 72,945 | $8.0M |
| Retirement Systems of Alabama | 0.03% | Add +0.7% | 72,685 | $7.9M |
| Bank of Montreal | 0.00% | Add +466.2% | 70,047 | $7.6M |
| Pentwater Capital Management LP | 0.13% | New | 69,362 | $7.6M |
| Susquehanna International Group, LLP | 0.01% | Add +816.5% | 68,262 | $7.4M |
| Lighthouse Investment Partners, LLC | 0.28% | Add +539.6% | 67,162 | $7.3M |
| Manufacturers Life Insurance Company, The | 0.01% | Reduce -3.2% | 66,964 | $7.3M |
| Homestead Advisers Corp | 0.18% | Reduce -10.1% | 66,877 | $7.3M |
| MetLife Investment Management, LLC | 0.04% | Add +5.4% | 65,227 | $7.1M |
| ClearAlpha Technologies LP | 6.09% | New | 64,987 | $7.1M |
| WINTON GROUP Ltd | 0.47% | New | 64,851 | $7.1M |
| Mutual of America Capital Management LLC | 0.07% | Reduce -0.9% | 64,020 | $7.0M |
| Sit Investment Associates Inc. | 0.16% | No change | 63,543 | $6.9M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.04% | Add +382.5% | 63,202 | $6.9M |
| Versor Investments LP | 1.12% | Add +1069.9% | 59,655 | $6.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.02% | New | 55,955 | $6.1M |
| Federated Hermes, Inc. | 0.01% | Reduce -86.9% | 55,253 | $6.0M |
| California State Teachers Retirement System | 0.01% | Add +2.5% | 55,226 | $6.0M |
| Raymond James Financial Inc. | 0.00% | — | 53,994 | $5.9M |
| Anson Funds Management LP | 0.69% | New | 50,085 | $5.5M |
| Polar Asset Management Partners Inc. | 0.11% | New | 50,000 | $5.5M |
| Calamos Advisors LLC | 0.04% | New | 49,773 | $5.4M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +4.0% | 46,350 | $5.1M |
| Vestcor Inc | 0.17% | New | 46,046 | $5.0M |
| Deutsche Bank AG | 0.00% | Add +33.8% | 45,648 | $5.0M |
| Voloridge Investment Management, LLC | 0.02% | New | 41,974 | $4.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Add +19.5% | 39,020 | $4.3M |
| Natixis | 0.03% | New | 38,024 | $4.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +18.9% | 37,373 | $4.1M |
| Qube Research & Technologies Ltd | 0.01% | New | 36,318 | $4.0M |
| ARK Investment Management | 0.03% | Reduce -12.8% | 35,280 | $3.8M |
| Gabelli Funds LLC | 0.03% | New | 33,360 | $3.6M |
| Wells Fargo & Company | 0.00% | Reduce -47.4% | 31,971 | $3.5M |
| Abc Arbitrage SA | 0.49% | — | 31,358 | $3.4M |
| Centiva Capital, LP | 0.13% | New | 30,295 | $3.3M |
| Yakira Capital Management, Inc. | 1.24% | New | 28,500 | $3.1M |
| Janus Henderson Group PLC | 0.00% | Reduce -97.5% | 27,064 | $3.0M |
| Amalgamated Bank | 0.02% | Reduce -0.3% | 27,056 | $3.0M |
| QRG Capital Management, Inc. | 0.03% | Add +4.5% | 27,036 | $2.9M |
| Intech Investment Management LLC | 0.03% | Add +137.5% | 26,956 | $2.9M |
| Allianz Asset Management GmbH | 0.00% | New | 26,500 | $2.9M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.48% | New | 25,950 | $2.8M |
| FMR LLC | 0.00% | Reduce -88.7% | 24,372 | $2.7M |
| Alberta Investment Management Corp | 0.02% | New | 23,800 | $2.6M |
| State of Tennessee, Department of Treasury | 0.01% | Add +13.9% | 23,289 | $2.5M |
| BNP Paribas Financial Markets | 0.00% | Reduce -32.8% | 23,138 | $2.5M |
| Brevan Howard Capital Management LP | 0.06% | New | 22,555 | $2.5M |
| Sagefield Capital LP | 0.26% | New | 21,652 | $2.4M |
| Prelude Capital Management, LLC | 0.20% | New | 21,648 | $2.4M |
| Epoch Investment Partners, Inc. | 0.01% | Add +46.1% | 21,622 | $2.4M |
| Moore Capital Management, LP | 0.05% | New | 21,374 | $2.3M |
| State of New Jersey Common Pension Fund D | 0.01% | Reduce -3.7% | 21,198 | $2.3M |
| ProShare Advisors LLC | 0.01% | Add +54.1% | 20,912 | $2.3M |
| AQR Capital Management | 0.00% | Add +600.3% | 20,910 | $2.3M |
| Yousif Capital Management, LLC | 0.03% | Reduce -3.6% | 20,844 | $2.3M |
| KRYGER CAPITAL Ltd | 0.57% | New | 20,246 | $2.2M |
| Wolverine Asset Management LLC | 0.16% | New | 19,720 | $2.2M |
| Olympiad Research LP | 2.13% | New | 18,713 | $2.0M |
| Mirabella Financial Services LLP | 0.19% | Reduce -50.0% | 18,631 | $2.0M |
| Teachers Retirement System of the State of Kentucky | 0.02% | Reduce -48.1% | 17,780 | $1.9M |
| New York State Common Retirement Fund | 0.00% | Reduce -84.6% | 17,763 | $1.9M |
| Oxford Asset Management LLP | 0.89% | New | 17,691 | $1.9M |
| Ameritas Investment Partners, Inc. | 0.06% | Reduce -1.4% | 17,644 | $1.9M |
| Jane Street Group, LLC | 0.00% | Reduce -57.5% | 17,500 | $1.9M |
| Daiwa Securities Group Inc. | 0.01% | Reduce -28.6% | 17,500 | $1.9M |
| Arizona State Retirement System | 0.01% | Add +5.2% | 17,250 | $1.9M |
| Verition Fund Management LLC | 0.01% | Add +416.6% | 16,943 | $1.8M |
| Carmignac Gestion | 0.03% | New | 16,886 | $1.8M |
| LPL Financial LLC | 0.00% | Reduce -56.6% | 16,698 | $1.8M |
| Louisiana State Employees Retirement System | 0.03% | Add +0.6% | 16,600 | $1.8M |
| Victory Capital Management Inc. | 0.00% | Reduce -95.8% | 16,488 | $1.8M |
| Handelsbanken Fonder AB | 0.01% | Reduce -12.5% | 15,400 | $1.7M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -0.3% | 15,213 | $1.7M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -8.5% | 15,171 | $1.7M |
| Bradley Foster & Sargent Inc. | 0.03% | Add +2.6% | 15,023 | $1.6M |
| Apriem Advisors | 0.19% | No change | 14,965 | $1.6M |
| Natixis Advisors, LLC | 0.00% | Reduce -19.1% | 14,821 | $1.6M |
| Pacer Advisors, Inc. | 0.00% | Reduce -9.5% | 14,628 | $1.6M |
| EDENTREE ASSET MANAGEMENT Ltd | 0.46% | No change | 14,496 | $1.6M |
| State of Michigan Retirement System | 0.01% | Add +0.7% | 14,200 | $1.5M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +9.8% | 14,164 | $1.5M |
| Select Equity Group, L.P. | 0.01% | Reduce -33.8% | 14,140 | $1.5M |
| Thrivent Financial for Lutherans | 0.00% | Add +0.7% | 14,065 | $1.5M |
| Creative Planning | 0.00% | Add +22.9% | 13,859 | $1.5M |
| BCK Capital Management LP | 1.09% | New | 13,800 | $1.5M |
| Northwestern Mutual Investment Management Company, LLC | 0.03% | Add +0.8% | 13,285 | $1.4M |
| Pathstone Holdings, LLC | 0.01% | Reduce -1.9% | 13,271 | $1.4M |
| New Age Alpha Advisors, LLC | 0.06% | New | 13,041 | $1.4M |
| Neuberger Berman Group LLC | 0.00% | Reduce -85.3% | 12,757 | $1.4M |
| Zions Bancorporation, N.A. | 0.09% | Reduce -43.4% | 12,733 | $1.4M |
| Bardin Hill Management Partners LP | 0.78% | New | 12,635 | $1.4M |
| Harvest Management LLC | 0.71% | New | 12,500 | $1.4M |
| KLP Kapitalforvaltning As | 0.01% | — | 12,300 | $1.3M |
| Oregon Public Employees Retirement Fund | 0.02% | No change | 12,130 | $1.3M |
| NJ State Employees Deferred Compensation Plan | 0.16% | No change | 12,000 | $1.3M |
| Skandinaviska Enskilda Banken AB (publ) | 0.01% | New | 12,000 | $1.3M |
| Harbor Capital Advisors, Inc. | 0.06% | Add +16.6% | 11,678 | $1.3M |
| Police & Firemen's Retirement System of New Jersey | 0.01% | — | 11,590 | $1.3M |
| New Mexico Educational Retirement Board | 0.04% | No change | 11,500 | $1.3M |
| Vontobel Holding Ltd. | 0.00% | Reduce -9.8% | 11,358 | $1.2M |
| DeepCurrents Investment Group LLC | 2.46% | New | 10,000 | $1.1M |
| Credit Industriel Et Commercial | 0.39% | — | 10,000 | $1.1M |
| Prescott Group Capital Management, L.L.C. | 0.15% | No change | 10,000 | $1.1M |
| Two Sigma Investments, LP | 0.00% | New | 9,991 | $1.1M |
| Simplex Trading, LLC | 0.03% | Add +276.4% | 9,381 | $1.0M |
| Glenmede Trust Co. NA | 0.00% | Reduce -62.1% | 8,852 | $966K |
| New York State Teachers Retirement System | 0.00% | Add +1.2% | 8,600 | $938K |
| Nomura Holdings Inc. | 0.00% | Add +126.1% | 8,283 | $904K |
| Pictet Asset Management Holding SA | 0.00% | Reduce -99.6% | 8,118 | $886K |
| Xponance LLC | 0.01% | Add +1.9% | 8,079 | $882K |
| Susquehanna Fundamental Investments, LLC | 0.01% | — | 8,000 | $873K |
| Illinois Municipal Retirement Fund | 0.01% | No change | 7,810 | $852K |
| GAMCO Investors | 0.01% | New | 7,650 | $835K |
| Blackstone Inc. | 0.00% | New | 6,877 | $750K |
| Harvest Fund Management Co., Ltd | 0.03% | Add +495.9% | 7,079 | $743K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -1.2% | 6,815 | $743K |
| Sei Investments Co. | 0.00% | Reduce -78.1% | 6,521 | $712K |
| Linden Thomas Advisory Services, LLC | 0.09% | Reduce -0.3% | 6,341 | $692K |
| Cresset Asset Management, LLC | 0.00% | Reduce -12.7% | 6,337 | $691K |
| Dynamic Technology Lab Private Ltd | 0.11% | New | 6,330 | $691K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +460.4% | 6,243 | $685K |
| Jackson Square Capital, LLC | 0.16% | No change | 6,033 | $658K |
| Quinn Opportunity Partners LLC | 0.05% | New | 6,000 | $655K |
| MML Investors Services, LLC | 0.00% | Reduce -2.9% | 5,836 | $637K |
| Amundi | 0.00% | Reduce -22.4% | 5,650 | $623K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 5,588 | $610K |
| Prudential Financial Inc. | 0.00% | Reduce -8.6% | 5,690 | $590K |
| STRS Ohio | 0.00% | No change | 5,400 | $589K |
| Mint Tower Capital Management B.V. | 0.46% | New | 5,000 | $546K |
| Graham Capital Management, L.P. | 0.03% | New | 5,000 | $546K |
| Mariner, LLC | 0.00% | Add +33.1% | 4,878 | $532K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +194.9% | 4,819 | $526K |
| Cullen/Frost Bankers, Inc. | 0.01% | Reduce -1.4% | 4,810 | $525K |
| Citadel Advisors | 0.00% | Reduce -73.3% | 4,473 | $488K |
| Securian Asset Management, Inc. | 0.01% | Reduce -2.2% | 4,442 | $485K |
| Mairs & Power Inc. | 0.00% | Reduce -96.5% | 4,431 | $483K |
| Schechter Investment Advisors, LLC | 0.04% | Reduce -14.7% | 4,261 | $465K |
| Crossmark Global Holdings, Inc. | 0.01% | Reduce -0.1% | 3,941 | $430K |
| Captrust Financial Advisors | 0.00% | Reduce -36.6% | 3,936 | $429K |
| Acadian Asset Management LLC | 0.00% | Reduce -47.0% | 3,897 | $425K |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Add +27.9% | 3,837 | $419K |
| CSS LLC | 0.08% | New | 3,800 | $415K |
| Guggenheim Capital LLC | 0.00% | Reduce -31.1% | 3,402 | $371K |
| Mackenzie Financial Corp. | 0.00% | Reduce -3.4% | 3,396 | $371K |
| Osaic Holdings, Inc. | 0.00% | Reduce -67.3% | 3,158 | $345K |
| Lindenwold Advisors, INC | 0.18% | Reduce -19.0% | 3,086 | $337K |
| Lazard Asset Management LLC | 0.00% | Add +11203.7% | 3,052 | $333K |
| Zacks Investment Management | 0.00% | Reduce -89.7% | 2,703 | $295K |
| KBC Group NV | 0.00% | Add +62.4% | 2,663 | $291K |
| Profund Advisors LLC | 0.01% | Reduce -8.5% | 2,662 | $290K |
| CW Advisors, LLC | 0.00% | Reduce -15.2% | 2,502 | $273K |
| Marco Investment Management LLC | 0.02% | Reduce -17.6% | 2,485 | $271K |
| AE Wealth Management LLC | 0.00% | New | 2,461 | $269K |
| AlphaQuest LLC | 0.03% | Reduce -63.4% | 2,364 | $258K |
| Congress Asset Management Co. | 0.00% | New | 2,297 | $251K |
| Shelton Capital Management | 0.01% | No change | 2,281 | $249K |
| Hardy Reed LLC | 0.02% | Reduce -11.7% | 2,270 | $248K |
| Ballentine Partners, LLC | 0.00% | No change | 2,236 | $244K |
| Ostrum Asset Management | 0.02% | Add +86.2% | 2,115 | $231K |
| Nisa Investment Advisors, LLC | 0.00% | Add +3.5% | 2,109 | $230K |
| Gsa Capital Partners LLP | 0.02% | New | 2,086 | $228K |
| PFW Advisors LLC | 0.07% | — | 2,084 | $227K |
| GTS Securities LLC | 0.01% | New | 1,838 | $201K |
| IFP Advisors, Inc | 0.01% | New | 1,689 | $185K |
| Natixis Investment Managers International | 0.01% | No change | 1,567 | $171K |
| Walleye Capital LLC | 0.00% | New | 1,302 | $142K |
| US Bancorp \de | 0.00% | Reduce -80.6% | 1,277 | $139K |
| Fifth Third Bancorp | 0.00% | Reduce -10.5% | 1,153 | $126K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -1.2% | 1,130 | $123K |
| Van Eck Associates Corp. | 0.00% | Reduce -31.8% | 926 | $101K |
| Hilltop National Bank | 0.03% | Reduce -22.4% | 815 | $89K |
| GAMMA Investing LLC | 0.01% | Add +14.6% | 729 | $80K |
| Longfellow Investment Management Co. LLC | 0.02% | New | 694 | $76K |
| AdvisorNet Financial, Inc | 0.01% | No change | 639 | $70K |
| Signaturefd, LLC | 0.00% | Add +18.8% | 518 | $57K |
| Group One Trading LLC | 0.00% | New | 500 | $55K |
| Parallel Advisors, LLC | 0.00% | Add +9.9% | 498 | $54K |
| Walleye Trading LLC | 0.00% | New | 357 | $39K |
| Johnson Financial Group, Inc. | 0.00% | New | 334 | $37K |
| Principal Securities, Inc. | 0.00% | Reduce -15.5% | 333 | $36K |
| Essex Investment Management Co. LLC | 0.01% | Reduce -58.2% | 312 | $34K |
| UMB Bank, n.a. | 0.00% | Add +77.0% | 285 | $31K |
| NBT Bank, N.A. | 0.00% | Add +76.4% | 247 | $27K |
| Cwm, LLC | 0.00% | Reduce -98.2% | 242 | $26K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -88.1% | 213 | $23K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +2.5% | 208 | $23K |
| Danske Bank A/S | 0.00% | Reduce -75.0% | 200 | $22K |
| TD Private Client Wealth LLC | 0.00% | No change | 179 | $20K |
| CIBC Private Wealth Group LLC | 0.00% | Reduce -15.8% | 160 | $18K |
| Lindbrook Capital, LLC | 0.00% | Add +4.0% | 154 | $17K |
| Bessemer Group Inc. | 0.00% | Add +316.1% | 129 | $14K |
| TCTC Holdings, LLC | 0.00% | New | 122 | $13K |
| Covestor Ltd | 0.01% | No change | 116 | $13K |
| Quadrant Capital Group LLC | 0.00% | Add +45.7% | 118 | $13K |
| CI Investments Inc. | 0.00% | Add +7.9% | 109 | $12K |
| Leonteq Securities AG | 0.00% | Add +18.5% | 96 | $10K |
| Allworth Financial LP | 0.00% | Reduce -29.3% | 70 | $8K |
| Arax Advisory Partners | 0.00% | No change | 68 | $7K |
| Rothschild Investment LLC | 0.00% | Add +9.1% | 60 | $7K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -7.7% | 60 | $7K |
| Sterling Capital Management LLC | 0.00% | Reduce -5.2% | 55 | $6K |
| Your Advocates Ltd., LLP | 0.00% | No change | 50 | $5K |
| Harel Insurance Investments & Financial Services Ltd. | 0.00% | Reduce -28.8% | 42 | $5K |
| Assetmark, Inc. | 0.00% | New | 43 | $5K |
| Brown Brothers Harriman & Co. | 0.00% | No change | 34 | $4K |
| GPS Wealth Strategies Group, LLC | 0.00% | No change | 32 | $3K |
| Private Wealth Management Group, LLC | 0.00% | No change | 30 | $3K |
| Bell Investment Advisors, Inc | 0.00% | No change | 29 | $3K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 25 | $3K |
| Rakuten Securities, Inc. | 0.00% | New | 20 | $2K |
| Sierra Ocean, LLC | 0.00% | — | 18 | $2K |
| Larson Financial Group LLC | 0.00% | New | 18 | $2K |
| Versant Capital Management, Inc | 0.00% | New | 16 | $2K |
| SBI Securities Co., Ltd. | 0.00% | — | 12 | $1K |
| Riggs Asset Managment Co. Inc. | 0.00% | No change | 10 | $1K |
| Farmers & Merchants Investments Inc. | 0.00% | New | 10 | $1K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 6 | $1K |
| Caitong International Asset Management Co., Ltd | 0.00% | — | 6 | $655 |
| Global Retirement Partners, LLC | 0.00% | Reduce -98.5% | 6 | $655 |
| First Horizon Advisors, Inc. | 0.00% | Reduce -95.3% | 6 | $654 |
| Brooklyn Investment Group | 0.00% | New | 5 | $546 |
| Crewe Advisors LLC | 0.00% | New | 5 | $546 |
| Huntington National Bank | 0.00% | Reduce -84.4% | 5 | $545 |
| Cassady Schiller Wealth Management, LLC | 0.00% | New | 3 | $327 |
| TFC Financial Management, Inc. | 0.00% | No change | 1 | $110 |
| Capital A Wealth Management, LLC | 0.00% | — | 1 | $109 |
"% 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.