AtiATI
13F holders, Q1 2025 (March 31)426holders +23
83new positions
60sold out
13famous investors
$51.99avg. 13F price*
At the end of Q1 2025, 426 institutions reported holding Ati Inc. (ATI) in their 13F filings, up 23 from Q4 2024. 83 opened new positions and 60 sold out. The largest holders were Capital International Investors ($878.6M), Vanguard Group Inc. ($723.0M) and BlackRock, Inc. ($682.3M). 13 famous investors held it, including George Soros (0.8% of Soros Fund Management's portfolio), Mario Gabelli (0.2% of GAMCO Investors's portfolio) and Steve Cohen (0.2% of Point72 Asset Management's portfolio).
- Company
- Ati Inc.
- CUSIP
- 01741R102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 83 | $258.0M |
| Exits | 60 | $210.1M |
All 13F filers, Q4 2024 → Q1 2025: 15,453,726 shares bought and 17,803,932 shares sold, net −2,350,206 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 426 holders
| Capital International Investors | 0.17% | Add +6.2% | 16,891,465 | $878.6M |
| Vanguard Group Inc. | 0.01% | Reduce -9.4% | 13,896,542 | $723.0M |
| BlackRock, Inc. | 0.01% | Reduce -26.5% | 13,113,928 | $682.3M |
| Capital World Investors | 0.06% | Add +1.6% | 6,982,174 | $363.3M |
| State Street Corp. | 0.01% | Reduce -3.4% | 5,768,232 | $300.1M |
| Invesco Ltd. | 0.05% | Add +3.3% | 4,850,439 | $252.4M |
| FMR LLC | 0.01% | Reduce -36.1% | 4,228,052 | $220.0M |
| Dendur Capital LP | 22.64% | No change | 3,567,000 | $185.6M |
| Ameriprise Financial Inc. | 0.04% | Reduce -7.5% | 2,917,656 | $151.8M |
| Dimensional Fund Advisors LP | 0.03% | Add +2.3% | 2,617,314 | $136.2M |
| Frontier Capital Management Co. LLC | 1.48% | Reduce -14.9% | 2,602,258 | $135.4M |
| Geode Capital Management, LLC | 0.01% | Add +10.6% | 2,378,033 | $123.8M |
| D. E. Shaw & Co. | 0.11% | Add +12.0% | 1,639,294 | $85.3M |
| Channing Capital Management, LLC | 2.44% | Reduce -7.2% | 1,553,796 | $80.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -4.5% | 1,492,516 | $77.7M |
| Norges Bank | 0.01% | Reduce -4.9% | 1,469,212 | $76.4M |
| American Century Companies Inc. | 0.05% | Add +4.5% | 1,422,116 | $74.0M |
| Bowen Hanes & Co. Inc. | 1.98% | Add +0.3% | 1,371,335 | $71.4M |
| Millennium Management | 0.07% | Add +1266.9% | 1,366,061 | $71.1M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.25% | Add +0.8% | 1,315,151 | $68.4M |
| Northern Trust Corp. | 0.01% | Add +33.4% | 1,262,761 | $65.7M |
| Loomis Sayles & Co. L P | 0.09% | Reduce -2.1% | 1,232,297 | $64.1M |
| Senator Investment Group LP | 3.35% | Add +68.7% | 1,212,500 | $63.1M |
| Neuberger Berman Group LLC | 0.05% | Add +35.5% | 1,132,296 | $58.9M |
| Morgan Stanley | 0.00% | Reduce -27.9% | 1,102,459 | $57.4M |
| Citadel Advisors | 0.06% | Add +172.9% | 1,066,398 | $55.5M |
| Point72 Asset Management | 0.16% | Add +28.9% | 1,028,660 | $53.5M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.11% | Add +5.9% | 1,011,879 | $52.6M |
| Bank of America Corp. | 0.00% | Add +202.4% | 944,635 | $49.1M |
| Woodline Partners LP | 0.32% | Reduce -4.8% | 944,216 | $49.1M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -16.8% | 938,929 | $48.9M |
| Bank of New York Mellon Corp | 0.01% | Add +1.2% | 902,200 | $46.9M |
| Forest Avenue Capital Management LP | 6.13% | New | 862,334 | $44.9M |
| Raymond James Financial Inc. | 0.02% | Add +5.4% | 845,252 | $44.0M |
| Allspring Global Investments Holdings, LLC | 0.07% | Reduce -3.3% | 804,929 | $42.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +10.2% | 658,195 | $34.2M |
| Fisher Asset Management | 0.01% | Reduce -1.8% | 651,492 | $33.9M |
| Goldman Sachs Group Inc. | 0.01% | Add +49.4% | 633,948 | $33.0M |
| Soros Fund Management | 0.80% | Add +56.8% | 613,884 | $31.9M |
| Marshall Wace, LLP | 0.04% | Reduce -12.9% | 608,584 | $31.7M |
| Capital Research Global Investors | 0.01% | New | 602,959 | $31.4M |
| Emerald Advisers, LLC | 1.38% | Reduce -2.5% | 587,250 | $30.6M |
| Jane Street Group, LLC | 0.06% | Add +3248.2% | 584,391 | $30.4M |
| Freestone Grove Partners LP | 0.29% | New | 543,915 | $28.3M |
| NorthRock Partners, LLC | 0.95% | Add +62.1% | 540,531 | $28.1M |
| Capital International, Inc. | 0.33% | Reduce -4.7% | 524,100 | $27.3M |
| Wellington Management Group LLP | 0.01% | Add +14.8% | 518,193 | $27.0M |
| Macquarie Group Ltd. | 0.03% | Reduce -33.5% | 499,186 | $26.0M |
| KLCM Advisors, Inc. | 2.86% | Add +13.4% | 470,068 | $24.5M |
| Federated Hermes, Inc. | 0.05% | Add +3.1% | 443,023 | $23.1M |
| Schroder Investment Management Group | 0.02% | Add +12.0% | 439,217 | $22.4M |
| Trexquant Investment LP | 0.25% | New | 419,126 | $21.8M |
| GAMCO Investors | 0.23% | Reduce -1.0% | 401,700 | $20.9M |
| JPMorgan Chase & Co. | 0.00% | Add +59.6% | 380,541 | $19.8M |
| New York State Common Retirement Fund | 0.03% | Reduce -5.1% | 362,892 | $18.9M |
| Rhumbline Advisers | 0.02% | Add +19.1% | 362,532 | $18.9M |
| BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp | 0.12% | Add +34.3% | 358,992 | $18.7M |
| Capital Group Private Client Services, Inc. | 0.18% | Add +1.0% | 352,528 | $18.3M |
| Emerald Mutual Fund Advisers Trust | 1.33% | Reduce -5.4% | 349,023 | $18.2M |
| Principal Financial Group Inc. | 0.01% | Reduce -52.6% | 327,220 | $17.0M |
| Bridgewater Associates | 0.08% | Add +314.5% | 318,044 | $16.5M |
| HRT Financial LP | 0.10% | New | 310,486 | $16.2M |
| Corient Private Wealth LP | 0.03% | Reduce -4.0% | 304,809 | $15.9M |
| State of Wisconsin Investment Board | 0.04% | Add +28.1% | 304,397 | $15.8M |
| Prudential Financial Inc. | 0.02% | Add +85.2% | 264,241 | $14.8M |
| Swiss National Bank | 0.01% | Add +12.9% | 276,300 | $14.4M |
| Hudson Bay Capital Management LP | 0.10% | Add +35.0% | 272,145 | $14.2M |
| Royce & Associates LP | 0.15% | Add +9.0% | 271,222 | $14.1M |
| Diameter Capital Partners LP | 3.76% | Add +107.7% | 270,000 | $14.0M |
| ExodusPoint Capital Management, LP | 0.18% | Add +1451.6% | 262,878 | $13.7M |
| Legal & General Group Plc | 0.00% | Reduce -36.4% | 255,175 | $13.3M |
| Wells Fargo & Company | 0.00% | Reduce -4.3% | 253,468 | $13.2M |
| Cubist Systematic Strategies, LLC | 0.17% | New | 248,963 | $13.0M |
| Tudor Investment Corporation | 0.11% | New | 228,272 | $11.9M |
| Schonfeld Strategic Advisors LLC | 0.08% | Add +197.4% | 224,182 | $11.7M |
| Alta Fox Capital Management, LLC | 4.46% | New | 216,300 | $11.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -48.1% | 216,148 | $11.2M |
| Engineers Gate Manager LP | 0.18% | Add +1914.8% | 209,885 | $10.9M |
| Nuveen, LLC | 0.00% | — | 328,384 | $10.9M |
| Canada Pension Plan Investment Board | 0.01% | Reduce -1.2% | 200,400 | $10.4M |
| First Trust Advisors LP | 0.01% | Reduce -29.2% | 187,980 | $9.8M |
| Gotham Asset Management | 0.08% | Add +4.8% | 186,914 | $9.7M |
| Moore Capital Management, LP | 0.38% | Add +212.4% | 186,849 | $9.7M |
| Mountaineer Partners Management, LLC | 9.03% | Reduce -0.7% | 181,375 | $9.4M |
| Segall Bryant & Hamill, LLC | 0.14% | Add +4.8% | 178,565 | $9.3M |
| Barclays PLC | 0.00% | Add +199.4% | 176,528 | $9.2M |
| Davidson Kempner Capital Management LP | 0.18% | New | 175,000 | $9.1M |
| Renaissance Technologies | 0.01% | Reduce -2.4% | 173,892 | $9.0M |
| Retirement Systems of Alabama | 0.04% | New | 173,614 | $9.0M |
| UBS Group AG | 0.00% | Add +32.7% | 168,152 | $8.7M |
| Corebridge Financial, Inc. | 0.05% | Add +2574.1% | 157,425 | $8.2M |
| California Public Employees Retirement System | 0.01% | Add +0.1% | 155,490 | $8.1M |
| Sei Investments Co. | 0.01% | Reduce -13.4% | 148,023 | $7.7M |
| Comerica Bank | 0.03% | Reduce -21.3% | 146,994 | $7.6M |
| New York State Teachers Retirement System | 0.02% | Reduce -8.7% | 144,155 | $7.5M |
| Two Sigma Investments, LP | 0.02% | Reduce -42.0% | 137,448 | $7.2M |
| California State Teachers Retirement System | 0.01% | Add +12.6% | 131,107 | $6.8M |
| Tema ETFs LLC | 1.81% | Add +49.7% | 116,226 | $6.0M |
| NEOS Investment Management LLC | 0.11% | Add +49.7% | 116,226 | $6.0M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +290.1% | 112,375 | $5.8M |
"% of holder's portfolio" is ATI's weight in each manager's 13F, not the share of Ati Inc. the manager owns.