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 |
|---|---|---|---|---|---|
| Virginia Retirement Systems Et Al | 13,778 | $716.9K | 0.01% | +13,778 | New |
| FourThought Financial Partners, LLC | 14,200 | $738.8K | 0.08% | −336−2.3% | Reduced |
| Mariner, LLC | 14,287 | $743.4K | 0.00% | −5,142−26.5% | Reduced |
| Point72 (DIFC) Ltd | 14,372 | $747.8K | 0.07% | +14,372 | New |
| Gabelli Funds LLC | 14,500 | $754.4K | 0.01% | 00.0% | Unchanged |
| Fruth Investment Management | 14,550 | $757.0K | 0.21% | −200−1.4% | Reduced |
| Xponance, Inc. | 15,579 | $810.6K | 0.01% | +10,173+188.2% | Added |
| Nebula Research & Development LLC | 15,780 | $821.0K | 0.08% | +15,780 | New |
| Commonwealth Equity Services, LLC | 15,921 | $828.0K | 0.00% | +605+4.0% | Added |
| Gsa Capital Partners LLP | 16,350 | $851.0K | 0.08% | +16,350 | New |
| Wealth Enhancement Advisory Services, LLC | 16,409 | $853.8K | 0.00% | +12+0.1% | Added |
| NVWM, LLC | 16,465 | $856.7K | 0.23% | +12+0.1% | Added |
| State of Alaska, Department of Revenue | 16,715 | $869.0K | 0.01% | −64,352−79.4% | Reduced |
| Boothbay Fund Management, LLC | 16,796 | $873.9K | 0.03% | −64,860−79.4% | Reduced |
| Quadrant Capital Group LLC | 16,858 | $877.1K | 0.03% | +10,528+166.3% | Added |
| Entropy Technologies, LP | 17,017 | $885.4K | 0.09% | +17,017 | New |
| Nisa Investment Advisors, LLC | 17,261 | $898.1K | 0.00% | +265+1.6% | Added |
| CenterBook Partners LP | 17,791 | $925.7K | 0.06% | +13,730+338.1% | Added |
| Paradigm Capital Management Inc | 18,000 | $936.5K | 0.05% | 00.0% | Unchanged |
| STRS Ohio | 18,018 | $937.5K | 0.00% | −14,490−44.6% | Reduced |
| Crestwood Advisors Group LLC | 18,051 | $939.2K | 0.02% | +18,051 | New |
| Ionic Capital Management LLC | 18,200 | $946.9K | 1.08% | +9,000+97.8% | Added |
| Northwestern Mutual Wealth Management Co | 18,743 | $975.2K | 0.00% | +1,820+10.8% | Added |
| Winton Group Ltd | 20,830 | $1.08M | 0.07% | −30,086−59.1% | Reduced |
| Advisory Services Network, LLC | 21,547 | $1.12M | 0.02% | −2,012−8.5% | Reduced |
| Pictet Asset Management Holding SA | 22,280 | $1.16M | 0.00% | +3,040+15.8% | Added |
| Huntington National Bank | 23,292 | $1.21M | 0.01% | +54+0.2% | Added |
| SG Americas Securities, LLC | 23,476 | $1.22M | 0.00% | +18,960+419.8% | Added |
| Lido Advisors, LLC | 23,794 | $1.24M | 0.01% | +17+0.1% | Added |
| Kennedy Capital Management, Inc. | 23,830 | $1.24M | 0.03% | −119,346−83.4% | Reduced |
| Creative Planning | 23,853 | $1.24M | 0.00% | −2,071−8.0% | Reduced |
| Teacher Retirement System of Texas | 23,890 | $1.24M | 0.01% | +23,890 | New |
| Cinctive Capital Management LP | 24,435 | $1.27M | 0.10% | +9,972+68.9% | Added |
| Catalyst Funds Management Pty Ltd | 25,680 | $1.34M | 0.35% | +25,680 | New |
| Jackson Creek Investment Advisors LLC | 25,690 | $1.34M | 0.43% | +25,690 | New |
| Ethic Inc. | 25,637 | $1.35M | 0.03% | −10,575−29.2% | Reduced |
| HighTower Advisors, LLC | 26,356 | $1.37M | 0.00% | −1,111−4.0% | Reduced |
| Qsemble Capital Management, LP | 26,455 | $1.38M | 0.15% | +8,849+50.3% | Added |
| Globeflex Capital L P | 26,596 | $1.38M | 0.13% | +26,596 | New |
| KLP Kapitalforvaltning AS | 27,600 | $1.44M | 0.01% | +1,000+3.8% | Added |
| Oregon Public Employees Retirement Fund | 27,900 | $1.45M | 0.03% | −5,621−16.8% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 28,052 | $1.46M | 0.01% | +4,126+17.2% | Added |
| Ameritas Investment Partners, Inc. | 28,296 | $1.47M | 0.05% | +28,066+12,202.6% | Added |
| New Mexico Educational Retirement Board | 28,800 | $1.50M | 0.05% | +28,800 | New |
| Castleark Management LLC | 30,700 | $1.60M | 0.06% | +30,700 | New |
| Victory Capital Management Inc | 31,352 | $1.63M | 0.00% | −478,212−93.8% | Reduced |
| Versor Investments LP | 31,392 | $1.63M | 0.27% | +31,392 | New |
| Northwestern Mutual Investment Management Company, LLC | 31,716 | $1.65M | 0.03% | +31,716 | New |
| Janney Montgomery Scott LLC | 32,233 | $1.68M | 0.00% | −657−2.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 33,158 | $1.73M | 0.00% | +33,158 | New |
| Centiva Capital, LP | 33,633 | $1.75M | 0.10% | +33,633 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 34,097 | $1.77M | 0.01% | +3,645+12.0% | Added |
| State of Michigan Retirement System | 34,100 | $1.77M | 0.01% | +34,100 | New |
| Credit Agricole S A | 34,186 | $1.78M | 0.01% | +18,258+114.6% | Added |
| EFG Asset Management (North America) Corp. | 35,072 | $1.83M | 0.30% | −10,458−23.0% | Reduced |
| Bank of Montreal | 36,024 | $1.87M | 0.00% | −53,650−59.8% | Reduced |
| Aquatic Capital Management LLC | 36,491 | $1.90M | 0.05% | +36,491 | New |
| Public Employees Retirement System of Ohio | 38,729 | $2.02M | 0.01% | −4,277−9.9% | Reduced |
| Louisiana State Employees Retirement System | 40,000 | $2.08M | 0.04% | −29,000−42.0% | Reduced |
| Susquehanna International Group, LLP | 40,419 | $2.10M | 0.00% | +7,143+21.5% | Added |
| CoreCommodity Management, LLC | 40,521 | $2.11M | 0.34% | +15,522+62.1% | Added |
| Arizona State Retirement System | 40,915 | $2.13M | 0.01% | +4,793+13.3% | Added |
| Magnetar Financial LLC | 42,401 | $2.21M | 0.03% | +38,051+874.7% | Added |
| Twinbeech Capital LP | 42,498 | $2.21M | 0.04% | +42,498 | New |
| XTX Topco Ltd | 43,443 | $2.26M | 0.12% | +43,443 | New |
| OP Asset Management Ltd | 44,158 | $2.30M | 0.04% | +44,158 | New |
| Police & Firemen's Retirement System of New Jersey | 44,515 | $2.32M | 0.02% | +498+1.1% | Added |
| Ensign Peak Advisors, Inc | 45,891 | $2.39M | 0.00% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 46,018 | $2.39M | 0.04% | −5,151−10.1% | Reduced |
| Sapience Investments, LLC | 46,187 | $2.40M | 1.72% | −3,851−7.7% | Reduced |
| State of New Jersey Common Pension Fund D | 48,306 | $2.51M | 0.01% | +1,241+2.6% | Added |
| Yousif Capital Management, LLC | 48,814 | $2.54M | 0.03% | −5,166−9.6% | Reduced |
| 1492 Capital Management LLC | 51,032 | $2.66M | 1.43% | +26,065+104.4% | Added |
| Register Financial Advisors LLC | 51,253 | $2.67M | 1.39% | +1,000+2.0% | Added |
| Edgestream Partners, L.P. | 51,307 | $2.67M | 0.09% | −27,385−34.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 52,395 | $2.73M | 0.01% | +20,850+66.1% | Added |
| Graphene Investments SAS | 53,400 | $2.78M | 2.03% | +6,300+13.4% | Added |
| Citigroup Inc | 53,581 | $2.79M | 0.00% | −49,187−47.9% | Reduced |
| AQR Capital Management LLC | 54,031 | $2.81M | 0.00% | −224,323−80.6% | Reduced |
| Farmers & Merchants Investments Inc | 54,822 | $2.85M | 0.09% | −288−0.5% | Reduced |
| Treasurer of the State of North Carolina | 56,460 | $2.94M | 0.01% | +2,210+4.1% | Added |
| Envestnet Asset Management Inc | 56,538 | $2.94M | 0.00% | +11,678+26.0% | Added |
| LPL Financial LLC | 56,808 | $2.96M | 0.00% | +8,876+18.5% | Added |
| Intech Investment Management LLC | 58,458 | $3.04M | 0.03% | +29,838+104.3% | Added |
| Covea Finance | 60,000 | $3.12M | 0.14% | −5,000−7.7% | Reduced |
| Royal Bank of Canada | 60,369 | $3.14M | 0.00% | +4,542+8.1% | Added |
| Moody Aldrich Partners LLC | 60,853 | $3.17M | 0.66% | −16,930−21.8% | Reduced |
| Thrivent Financial for Lutherans | 61,008 | $3.17M | 0.01% | −76,812−55.7% | Reduced |
| Guggenheim Capital LLC | 61,375 | $3.19M | 0.03% | +29,458+92.3% | Added |
| Janus Henderson Group PLC | 63,154 | $3.22M | 0.00% | +7,900+14.3% | Added |
| Knights of Columbus Asset Advisors LLC | 62,274 | $3.24M | 0.22% | +14,510+30.4% | Added |
| Pathstone Holdings, LLC | 62,877 | $3.28M | 0.01% | −4,956−7.3% | Reduced |
| Amalgamated Bank | 64,248 | $3.34M | 0.03% | +20,773+47.8% | Added |
| Natixis Advisors, L.P. | 64,338 | $3.35M | 0.01% | −13,229−17.1% | Reduced |
| Dark Forest Capital Management LP | 64,436 | $3.35M | 0.15% | +64,436 | New |
| Y-Intercept (Hong Kong) Ltd | 64,556 | $3.36M | 0.23% | +64,556 | New |
| Sagefield Capital LP | 64,885 | $3.38M | 0.41% | +24,730+61.6% | Added |
| Stifel Financial Corp | 68,183 | $3.55M | 0.00% | +44,474+187.6% | Added |
| Susquehanna Fundamental Investments, LLC | 68,231 | $3.55M | 0.06% | −84,847−55.4% | Reduced |
| Van Eck Associates Corp | 69,446 | $3.61M | 0.00% | +6,578+10.5% | Added |