AtiATI
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 471 institutions reported holding Ati Inc. (ATI) in their 13F filings, up 45 from Q1 2025. 108 opened new positions and 61 sold out. The largest holders were Capital International Investors ($1.4B), BlackRock, Inc. ($1.3B) and Vanguard Group Inc. ($1.2B). 12 famous investors held it, including George Soros (0.8% of Soros Fund Management's portfolio), Paul Tudor Jones (0.4% of Tudor Investment Corporation's portfolio) and Mario Gabelli (0.3% of GAMCO Investors's portfolio).
- Company
- Ati Inc.
- CUSIP
- 01741R102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 108 | $586.3M |
| Exits | 61 | $148.4M |
All 13F filers, Q1 2025 → Q2 2025: 18,321,300 shares bought and 18,326,417 shares sold, net −5,117 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 471 holders
| Capital International Investors | 0.25% | Reduce -1.1% | 16,711,428 | $1.4B |
| BlackRock, Inc. | 0.02% | Add +14.0% | 14,947,268 | $1.3B |
| Vanguard Group Inc. | 0.02% | Reduce -4.1% | 13,330,475 | $1.2B |
| Capital World Investors | 0.09% | Reduce -2.3% | 6,820,371 | $588.9M |
| State Street Corp. | 0.02% | Reduce -2.5% | 5,626,765 | $485.8M |
| D. E. Shaw & Co. | 0.32% | Add +114.4% | 3,513,948 | $303.4M |
| FMR LLC | 0.02% | Reduce -19.3% | 3,413,781 | $294.7M |
| Invesco Ltd. | 0.05% | Reduce -32.0% | 3,296,624 | $284.6M |
| Capital Research Global Investors | 0.06% | Add +434.9% | 3,224,970 | $278.4M |
| Dendur Capital LP | 25.97% | Reduce -11.0% | 3,175,000 | $274.1M |
| Geode Capital Management, LLC | 0.01% | Add +2.4% | 2,435,916 | $210.4M |
| Frontier Capital Management Co. LLC | 1.78% | Reduce -14.5% | 2,225,724 | $192.2M |
| Ameriprise Financial Inc. | 0.04% | Reduce -27.7% | 2,109,919 | $182.2M |
| Dimensional Fund Advisors LP | 0.04% | Reduce -23.6% | 1,999,304 | $172.6M |
| Norges Bank | 0.02% | Add +15.7% | 1,699,392 | $146.7M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +0.3% | 1,497,433 | $129.3M |
| American Century Companies Inc. | 0.07% | Reduce -2.5% | 1,386,116 | $119.7M |
| Bowen Hanes & Co. Inc. | 3.00% | Add +0.3% | 1,375,560 | $118.8M |
| Northern Trust Corp. | 0.01% | Reduce -0.8% | 1,252,717 | $108.2M |
| Morgan Stanley | 0.01% | Add +9.5% | 1,207,211 | $104.2M |
| T. Rowe Price Associates Inc. | 0.01% | Add +21.3% | 1,138,586 | $98.3M |
| Palestra Capital Management LLC | 2.72% | New | 1,062,298 | $91.7M |
| Loomis Sayles & Co. L P | 0.11% | Reduce -15.6% | 1,039,613 | $89.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.17% | Reduce -1.4% | 997,941 | $86.2M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.28% | Reduce -25.7% | 977,271 | $84.4M |
| Raymond James Financial Inc. | 0.03% | Add +11.7% | 943,789 | $81.5M |
| Royal Bank of Canada | 0.02% | Add +1448.8% | 934,971 | $80.7M |
| Fuller & Thaler Asset Management, Inc. | 0.29% | New | 911,108 | $78.7M |
| Bank of New York Mellon Corp | 0.01% | Reduce -1.1% | 892,300 | $77.0M |
| Woodline Partners LP | 0.38% | Reduce -11.2% | 838,621 | $72.4M |
| UBS Group AG | 0.01% | Add +391.8% | 826,959 | $71.4M |
| Channing Capital Management, LLC | 1.98% | Reduce -46.8% | 826,631 | $71.4M |
| Voloridge Investment Management, LLC | 0.26% | New | 822,696 | $71.0M |
| Point72 Asset Management | 0.17% | Reduce -23.6% | 786,259 | $67.9M |
| Neuberger Berman Group LLC | 0.05% | Reduce -31.3% | 778,482 | $67.2M |
| Senator Investment Group LP | 2.50% | Reduce -38.1% | 750,000 | $64.8M |
| Castle Hook Partners LP | 0.95% | New | 744,648 | $64.3M |
| BNP Paribas Financial Markets | 0.05% | Add +552.7% | 720,224 | $62.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +3.5% | 680,911 | $58.8M |
| Fisher Asset Management | 0.02% | Reduce -3.6% | 627,980 | $54.2M |
| Bank of America Corp. | 0.00% | Reduce -34.1% | 622,496 | $53.7M |
| Allspring Global Investments Holdings, LLC | 0.09% | Reduce -21.8% | 629,361 | $52.8M |
| Holocene Advisors, LP | 0.13% | New | 604,781 | $52.2M |
| Citadel Advisors | 0.05% | Reduce -44.4% | 592,475 | $51.2M |
| Tudor Investment Corporation | 0.39% | Add +159.1% | 591,342 | $51.1M |
| NorthRock Partners, LLC | 1.22% | Reduce -0.0% | 540,447 | $46.7M |
| Schroder Investment Management Group | 0.04% | Add +21.3% | 532,837 | $46.0M |
| Forest Avenue Capital Management LP | 3.32% | Reduce -42.8% | 492,976 | $42.6M |
| Renaissance Technologies | 0.06% | Add +177.0% | 481,692 | $41.6M |
| Wellington Management Group LLP | 0.01% | Reduce -9.8% | 467,369 | $40.4M |
| Capital International, Inc. | 0.39% | Reduce -12.6% | 458,325 | $39.6M |
| Federated Hermes, Inc. | 0.07% | Add +1.2% | 448,485 | $38.7M |
| JPMorgan Chase & Co. | 0.00% | Add +14.0% | 433,669 | $37.4M |
| Nuveen, LLC | 0.01% | Add +27.6% | 419,178 | $36.2M |
| GAMCO Investors | 0.34% | Reduce -0.2% | 400,800 | $34.6M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -40.0% | 380,405 | $32.8M |
| Segall Bryant & Hamill, LLC | 0.45% | Add +108.9% | 373,083 | $32.2M |
| Rhumbline Advisers | 0.03% | Add +2.1% | 370,012 | $31.9M |
| Soros Fund Management | 0.83% | Reduce -40.9% | 362,695 | $31.3M |
| Capital Group Private Client Services, Inc. | 0.26% | Reduce -1.6% | 347,027 | $30.0M |
| KLCM Advisors, Inc. | 3.17% | Reduce -26.6% | 345,263 | $29.8M |
| Cubist Systematic Strategies, LLC | 0.31% | Add +34.9% | 335,884 | $29.0M |
| Principal Financial Group Inc. | 0.01% | Reduce -2.3% | 319,799 | $27.6M |
| Emerald Advisers, LLC | 1.01% | Reduce -45.7% | 318,863 | $27.5M |
| Saraza Management, LP | 6.36% | New | 305,000 | $26.3M |
| Corient Private Wealth LP | 0.03% | Reduce -1.9% | 299,064 | $25.8M |
| Canada Pension Plan Investment Board | 0.02% | Add +47.3% | 295,100 | $25.5M |
| Millennium Management | 0.02% | Reduce -78.9% | 288,817 | $24.9M |
| Swiss National Bank | 0.01% | Reduce -2.4% | 269,600 | $23.3M |
| Amundi | 0.01% | Add +166.3% | 270,403 | $23.2M |
| State of Wisconsin Investment Board | 0.06% | Reduce -12.2% | 267,280 | $23.1M |
| Macquarie Group Ltd. | 0.03% | Reduce -46.5% | 266,878 | $23.0M |
| Jane Street Group, LLC | 0.04% | Reduce -55.1% | 262,607 | $22.7M |
| Marshall Wace, LLP | 0.03% | Reduce -57.4% | 259,392 | $22.4M |
| Two Sigma Investments, LP | 0.04% | Add +86.7% | 256,653 | $22.2M |
| Bank of Nova Scotia | 0.04% | New | 238,237 | $20.6M |
| Legal & General Group Plc | 0.01% | Reduce -7.0% | 237,225 | $20.5M |
| Kinetic Partners Management, LP | 1.11% | New | 235,900 | $20.4M |
| New York State Common Retirement Fund | 0.03% | Reduce -37.6% | 226,456 | $19.6M |
| Wells Fargo & Company | 0.00% | Reduce -14.2% | 217,478 | $18.8M |
| Gotham Asset Management | 0.11% | Add +11.2% | 207,919 | $18.0M |
| Hudson Bay Capital Management LP | 0.13% | Reduce -24.0% | 206,803 | $17.9M |
| Natixis | 0.09% | Add +101565.0% | 203,330 | $17.6M |
| Alliancebernstein L.P. | 0.01% | Reduce -7.0% | 201,028 | $17.4M |
| Prudential Financial Inc. | 0.02% | Add +14.5% | 302,512 | $17.3M |
| First Trust Advisors LP | 0.01% | Add +4.9% | 197,214 | $17.0M |
| ING Groep NV | 0.10% | New | 192,400 | $16.6M |
| Hawk Ridge Capital Management LP | 0.69% | New | 191,300 | $16.5M |
| California Public Employees Retirement System | 0.01% | Add +17.8% | 183,104 | $15.8M |
| Emerald Mutual Fund Advisers Trust | 0.94% | Reduce -48.6% | 179,255 | $15.5M |
| Retirement Systems of Alabama | 0.05% | Reduce -0.7% | 172,417 | $14.9M |
| Moore Capital Management, LP | 0.30% | Reduce -12.8% | 162,965 | $14.1M |
| Royce & Associates LP | 0.14% | Reduce -40.0% | 162,612 | $14.0M |
| New York State Teachers Retirement System | 0.03% | Reduce -0.5% | 143,428 | $12.4M |
| Schonfeld Strategic Advisors LLC | 0.09% | Reduce -38.7% | 137,409 | $11.9M |
| Barclays PLC | 0.00% | Reduce -22.4% | 136,984 | $11.8M |
| Yaupon Capital Management LP | 0.78% | New | 135,246 | $11.7M |
| California State Teachers Retirement System | 0.01% | Add +0.8% | 132,134 | $11.4M |
| Davidson Kempner Capital Management LP | 0.27% | Reduce -25.7% | 130,000 | $11.2M |
| Sei Investments Co. | 0.01% | Reduce -16.8% | 123,166 | $10.6M |
"% of holder's portfolio" is ATI's weight in each manager's 13F, not the share of Ati Inc. the manager owns.