Ati Inc
ATI- Exchange
- NYSE
- Industry
- Steel Pipe & Tubes
- SEC CIK
- 0001018963
In the last 90 days, Ati Inc insiders filed 0 open-market purchases and 9 sales; 795 institutions reported holding it in 13F filings for Q2 2026, worth $25.1B in total; 3 superinvestors hold it, including Viking Global Investors and Soros Fund Management.
13F holders, Q1 2025
Institutional positions in Ati Inc as of Mar 31, 2025. 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
- Institutional holders
- 426
- +29 vs. Q4 2024
- Shares held
- 134.1M
- −1.96M (−1.4%) vs. Q4 2024
- Total value
- $6.97B
- −$518.0M (−6.9%) vs. Q4 2024
- New holders
- 89
- 161 more added
- Sold out
- 60
- 119 more reduced
6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATI 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 | 795 | $25.1B |
| Q1 2026 | 678 | $18.5B |
| Q4 2025 | 570 | $14.7B |
| Q3 2025 | 470 | $10.5B |
| Q2 2025 | 473 | $11.6B |
| Q1 2025 | 426 | $6.97B |
| Q4 2024 | 403 | $7.51B |
| Q3 2024 | 421 | $8.89B |
| Q2 2024 | 403 | $7.33B |
| Q1 2024 | 345 | $6.89B |
| Q4 2023 | 349 | $6.10B |
| Q3 2023 | 338 | $5.48B |
| Q2 2023 | 329 | $5.95B |
| Q1 2023 | 339 | $5.29B |
| Q4 2022 | 304 | $3.95B |
| Q3 2022 | 290 | $3.49B |
| Q2 2022 | 266 | $3.02B |
| Q1 2022 | 284 | $3.51B |
| Q4 2021 | 241 | $2.10B |
| Q3 2021 | 236 | $2.21B |
| Q2 2021 | 237 | $2.77B |
| Q1 2021 | 234 | $2.72B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 110,350 | $5.74M | 0.00% | +99,458+913.1% | Added |
| Jones Road Capital Management, L.P. | 109,877 | $5.72M | 4.08% | −45,468−29.3% | Reduced |
| Voya Investment Management LLC | 109,334 | $5.69M | 0.01% | +51,143+87.9% | Added |
| Algert Global LLC | 107,095 | $5.57M | 0.14% | −23,210−17.8% | Reduced |
| Alberta Investment Management Corp | 105,393 | $5.48M | 0.04% | +20,567+24.2% | Added |
| Great West Life Assurance Co | 103,972 | $5.42M | 0.01% | −31,022−23.0% | Reduced |
| PDT Partners, LLC | 98,362 | $5.12M | 0.36% | +13,100+15.4% | Added |
| Allianz Asset Management GmbH | 96,931 | $5.04M | 0.01% | −42,493−30.5% | Reduced |
| Amundi | 101,541 | $4.96M | 0.00% | +28,215+38.5% | Added |
| Appian Way Asset Management LP | 91,765 | $4.77M | 1.13% | +91,765 | New |
| Brevan Howard Capital Management LP | 89,812 | $4.67M | 0.13% | +32,586+56.9% | Added |
| State Board of Administration of Florida Retirement System | 88,230 | $4.59M | 0.01% | +4,330+5.2% | Added |
| Mengis Capital Management, Inc. | 82,907 | $4.31M | 0.90% | +2,575+3.2% | Added |
| Advisors Asset Management, Inc. | 82,766 | $4.31M | 0.08% | −886−1.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 81,496 | $4.24M | 0.02% | +81,496 | New |
| Verition Fund Management LLC | 81,301 | $4.23M | 0.02% | +66,003+431.4% | Added |
| MetLife Investment Management | 78,862 | $4.10M | 0.02% | +76,695+3,539.2% | Added |
| Shay Capital LLC | 76,400 | $3.98M | 1.16% | +27,400+55.9% | Added |
| Roubaix Capital, LLC | 76,325 | $3.97M | 2.07% | +76,325 | New |
| The PNC Financial Services Group, Inc. | 75,920 | $3.95M | 0.00% | −30,028−28.3% | Reduced |
| NBW Capital LLC | 74,383 | $3.87M | 0.86% | −21,131−22.1% | Reduced |
| Warren Averett Asset Management, LLC | 74,383 | $3.87M | 0.05% | +74,383 | New |
| State of Tennessee, Treasury Department | 73,880 | $3.84M | 0.01% | +18,994+34.6% | Added |
| Mutual of America Capital Management LLC | 73,415 | $3.82M | 0.04% | +51,808+239.8% | Added |
| Jefferies Financial Group Inc. | 72,795 | $3.79M | 0.07% | −15,805−17.8% | Reduced |
| Teachers Retirement System of the State of Kentucky | 72,442 | $3.77M | 0.03% | +9,423+15.0% | Added |
| Van Eck Associates Corp | 69,446 | $3.61M | 0.00% | +6,578+10.5% | Added |
| Susquehanna Fundamental Investments, LLC | 68,231 | $3.55M | 0.06% | −84,847−55.4% | Reduced |
| Stifel Financial Corp | 68,183 | $3.55M | 0.00% | +44,474+187.6% | Added |
| Sagefield Capital LP | 64,885 | $3.38M | 0.41% | +24,730+61.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 64,556 | $3.36M | 0.23% | +64,556 | New |
| Dark Forest Capital Management LP | 64,436 | $3.35M | 0.15% | +64,436 | New |
| Natixis Advisors, L.P. | 64,338 | $3.35M | 0.01% | −13,229−17.1% | Reduced |
| Amalgamated Bank | 64,248 | $3.34M | 0.03% | +20,773+47.8% | Added |
| Pathstone Holdings, LLC | 62,877 | $3.28M | 0.01% | −4,956−7.3% | Reduced |
| Knights of Columbus Asset Advisors LLC | 62,274 | $3.24M | 0.22% | +14,510+30.4% | Added |
| Janus Henderson Group PLC | 63,154 | $3.22M | 0.00% | +7,900+14.3% | Added |
| Guggenheim Capital LLC | 61,375 | $3.19M | 0.03% | +29,458+92.3% | Added |
| Thrivent Financial for Lutherans | 61,008 | $3.17M | 0.01% | −76,812−55.7% | Reduced |
| Moody Aldrich Partners LLC | 60,853 | $3.17M | 0.66% | −16,930−21.8% | Reduced |
| Royal Bank of Canada | 60,369 | $3.14M | 0.00% | +4,542+8.1% | Added |
| Covea Finance | 60,000 | $3.12M | 0.14% | −5,000−7.7% | Reduced |
| Intech Investment Management LLC | 58,458 | $3.04M | 0.03% | +29,838+104.3% | Added |
| LPL Financial LLC | 56,808 | $2.96M | 0.00% | +8,876+18.5% | Added |
| Envestnet Asset Management Inc | 56,538 | $2.94M | 0.00% | +11,678+26.0% | Added |
| Treasurer of the State of North Carolina | 56,460 | $2.94M | 0.01% | +2,210+4.1% | Added |
| Farmers & Merchants Investments Inc | 54,822 | $2.85M | 0.09% | −288−0.5% | Reduced |
| AQR Capital Management LLC | 54,031 | $2.81M | 0.00% | −224,323−80.6% | Reduced |
| Citigroup Inc | 53,581 | $2.79M | 0.00% | −49,187−47.9% | Reduced |
| Graphene Investments SAS | 53,400 | $2.78M | 2.03% | +6,300+13.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 52,395 | $2.73M | 0.01% | +20,850+66.1% | Added |
| Edgestream Partners, L.P. | 51,307 | $2.67M | 0.09% | −27,385−34.8% | Reduced |
| Register Financial Advisors LLC | 51,253 | $2.67M | 1.39% | +1,000+2.0% | Added |
| 1492 Capital Management LLC | 51,032 | $2.66M | 1.43% | +26,065+104.4% | Added |
| Yousif Capital Management, LLC | 48,814 | $2.54M | 0.03% | −5,166−9.6% | Reduced |
| State of New Jersey Common Pension Fund D | 48,306 | $2.51M | 0.01% | +1,241+2.6% | Added |
| Sapience Investments, LLC | 46,187 | $2.40M | 1.72% | −3,851−7.7% | Reduced |
| Buckingham Strategic Partners | 46,018 | $2.39M | 0.04% | −5,151−10.1% | Reduced |
| Ensign Peak Advisors, Inc | 45,891 | $2.39M | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 44,515 | $2.32M | 0.02% | +498+1.1% | Added |
| OP Asset Management Ltd | 44,158 | $2.30M | 0.04% | +44,158 | New |
| XTX Topco Ltd | 43,443 | $2.26M | 0.12% | +43,443 | New |
| Twinbeech Capital LP | 42,498 | $2.21M | 0.04% | +42,498 | New |
| Magnetar Financial LLC | 42,401 | $2.21M | 0.03% | +38,051+874.7% | Added |
| Arizona State Retirement System | 40,915 | $2.13M | 0.01% | +4,793+13.3% | Added |
| CoreCommodity Management, LLC | 40,521 | $2.11M | 0.34% | +15,522+62.1% | Added |
| Susquehanna International Group, LLP | 40,419 | $2.10M | 0.00% | +7,143+21.5% | Added |
| Louisiana State Employees Retirement System | 40,000 | $2.08M | 0.04% | −29,000−42.0% | Reduced |
| Public Employees Retirement System of Ohio | 38,729 | $2.02M | 0.01% | −4,277−9.9% | Reduced |
| Aquatic Capital Management LLC | 36,491 | $1.90M | 0.05% | +36,491 | New |
| Bank of Montreal | 36,024 | $1.87M | 0.00% | −53,650−59.8% | Reduced |
| EFG Asset Management (North America) Corp. | 35,072 | $1.83M | 0.30% | −10,458−23.0% | Reduced |
| Credit Agricole S A | 34,186 | $1.78M | 0.01% | +18,258+114.6% | Added |
| State of Michigan Retirement System | 34,100 | $1.77M | 0.01% | +34,100 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 34,097 | $1.77M | 0.01% | +3,645+12.0% | Added |
| Centiva Capital, LP | 33,633 | $1.75M | 0.10% | +33,633 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 33,158 | $1.73M | 0.00% | +33,158 | New |
| Janney Montgomery Scott LLC | 32,233 | $1.68M | 0.00% | −657−2.0% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 31,716 | $1.65M | 0.03% | +31,716 | New |
| Versor Investments LP | 31,392 | $1.63M | 0.27% | +31,392 | New |
| Victory Capital Management Inc | 31,352 | $1.63M | 0.00% | −478,212−93.8% | Reduced |
| Castleark Management LLC | 30,700 | $1.60M | 0.06% | +30,700 | New |
| New Mexico Educational Retirement Board | 28,800 | $1.50M | 0.05% | +28,800 | New |
| Ameritas Investment Partners, Inc. | 28,296 | $1.47M | 0.05% | +28,066+12,202.6% | Added |
| Envestnet Portfolio Solutions, Inc. | 28,052 | $1.46M | 0.01% | +4,126+17.2% | Added |
| Oregon Public Employees Retirement Fund | 27,900 | $1.45M | 0.03% | −5,621−16.8% | Reduced |
| KLP Kapitalforvaltning AS | 27,600 | $1.44M | 0.01% | +1,000+3.8% | Added |
| Globeflex Capital L P | 26,596 | $1.38M | 0.13% | +26,596 | New |
| Qsemble Capital Management, LP | 26,455 | $1.38M | 0.15% | +8,849+50.3% | Added |
| HighTower Advisors, LLC | 26,356 | $1.37M | 0.00% | −1,111−4.0% | Reduced |
| Ethic Inc. | 25,637 | $1.35M | 0.03% | −10,575−29.2% | Reduced |
| Jackson Creek Investment Advisors LLC | 25,690 | $1.34M | 0.43% | +25,690 | New |
| Catalyst Funds Management Pty Ltd | 25,680 | $1.34M | 0.35% | +25,680 | New |
| Cinctive Capital Management LP | 24,435 | $1.27M | 0.10% | +9,972+68.9% | Added |
| Teacher Retirement System of Texas | 23,890 | $1.24M | 0.01% | +23,890 | New |
| Creative Planning | 23,853 | $1.24M | 0.00% | −2,071−8.0% | Reduced |
| Kennedy Capital Management, Inc. | 23,830 | $1.24M | 0.03% | −119,346−83.4% | Reduced |
| Lido Advisors, LLC | 23,794 | $1.24M | 0.01% | +17+0.1% | Added |
| SG Americas Securities, LLC | 23,476 | $1.22M | 0.00% | +18,960+419.8% | Added |
| Huntington National Bank | 23,292 | $1.21M | 0.01% | +54+0.2% | Added |