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, Q2 2025
Institutional positions in Ati Inc as of Jun 30, 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
- 473
- +52 vs. Q1 2025
- Shares held
- 134.0M
- −2.19K (0.0%) vs. Q1 2025
- Total value
- $11.6B
- +$4.59B (+65.9%) vs. Q1 2025
- New holders
- 112
- 124 more added
- Sold out
- 60
- 187 more reduced
5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HSBC Holdings PLC | 35,684 | $3.10M | 0.00% | +30,962+655.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 36,245 | $3.13M | 0.02% | +2,148+6.3% | Added |
| Graphene Investments SAS | 36,900 | $3.19M | 2.08% | −16,500−30.9% | Reduced |
| Van Eck Associates Corp | 36,910 | $3.19M | 0.00% | −32,536−46.9% | Reduced |
| XTX Topco Ltd | 37,729 | $3.26M | 0.14% | −5,714−13.2% | Reduced |
| New Age Alpha Advisors, LLC | 37,780 | $3.26M | 0.14% | +30,485+417.9% | Added |
| FORA Capital, LLC | 38,127 | $3.29M | 0.37% | +38,127 | New |
| Ensign Peak Advisors, Inc | 38,941 | $3.36M | 0.01% | −6,950−15.1% | Reduced |
| Rafferty Asset Management, LLC | 39,022 | $3.37M | 0.01% | +39,022 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 39,221 | $3.39M | 0.01% | −13,174−25.1% | Reduced |
| Brevan Howard Capital Management LP | 39,452 | $3.41M | 0.04% | −50,360−56.1% | Reduced |
| Buckingham Strategic Partners | 39,625 | $3.42M | 0.05% | −6,393−13.9% | Reduced |
| Louisiana State Employees Retirement System | 39,700 | $3.43M | 0.06% | −300−0.8% | Reduced |
| Verition Fund Management LLC | 39,870 | $3.44M | 0.02% | −41,431−51.0% | Reduced |
| Engineers Gate Manager LP | 41,128 | $3.55M | 0.04% | −168,757−80.4% | Reduced |
| Arizona State Retirement System | 41,167 | $3.55M | 0.02% | +252+0.6% | Added |
| Albar Capital Partners LLP | 42,859 | $3.70M | 0.63% | +42,859 | New |
| Estate Counselors, LLC | 43,790 | $3.78M | 0.37% | +43,790 | New |
| Public Employees Retirement System of Ohio | 44,195 | $3.82M | 0.01% | +5,466+14.1% | Added |
| Point72 Hong Kong Ltd | 46,482 | $4.01M | 0.28% | +46,482 | New |
| Farmers & Merchants Investments Inc | 47,809 | $4.13M | 0.12% | −7,013−12.8% | Reduced |
| Pathstone Holdings, LLC | 47,814 | $4.13M | 0.02% | −15,063−24.0% | Reduced |
| Yousif Capital Management, LLC | 48,019 | $4.15M | 0.04% | −795−1.6% | Reduced |
| State of New Jersey Common Pension Fund D | 48,306 | $4.17M | 0.02% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 49,642 | $4.29M | 0.00% | −6,896−12.2% | Reduced |
| Voya Investment Management LLC | 51,153 | $4.42M | 0.00% | −58,181−53.2% | Reduced |
| Globeflex Capital L P | 51,557 | $4.45M | 0.37% | +24,961+93.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 53,226 | $4.60M | 0.04% | +8,711+19.6% | Added |
| National Bank of Canada | 55,000 | $4.75M | 0.01% | +55,000 | New |
| Covea Finance | 55,300 | $4.77M | 0.18% | −4,700−7.8% | Reduced |
| LPL Financial LLC | 55,382 | $4.78M | 0.00% | −1,426−2.5% | Reduced |
| Edgestream Partners, L.P. | 56,843 | $4.91M | 0.14% | +5,536+10.8% | Added |
| The PNC Financial Services Group, Inc. | 57,857 | $5.00M | 0.00% | −18,063−23.8% | Reduced |
| Jefferies Financial Group Inc. | 58,065 | $5.01M | 0.08% | −14,730−20.2% | Reduced |
| Janus Henderson Group PLC | 60,354 | $5.21M | 0.00% | −2,800−4.4% | Reduced |
| Roubaix Capital, LLC | 60,633 | $5.24M | 2.51% | −15,692−20.6% | Reduced |
| EAM Investors, LLC | 60,633 | $5.24M | 0.79% | +60,633 | New |
| Thrivent Financial for Lutherans | 60,779 | $5.25M | 0.01% | −229−0.4% | Reduced |
| PDT Partners, LLC | 61,173 | $5.28M | 0.30% | −37,189−37.8% | Reduced |
| EAM Global Investors LLC | 62,549 | $5.40M | 1.40% | +62,549 | New |
| State of Tennessee, Treasury Department | 63,107 | $5.45M | 0.02% | −10,773−14.6% | Reduced |
| Amalgamated Bank | 64,067 | $5.53M | 0.04% | −181−0.3% | Reduced |
| AQR Capital Management LLC | 64,942 | $5.61M | 0.00% | +10,911+20.2% | Added |
| Treasurer of the State of North Carolina | 65,333 | $5.64M | 0.02% | +8,873+15.7% | Added |
| Guggenheim Capital LLC | 65,494 | $5.65M | 0.05% | +4,119+6.7% | Added |
| Teachers Retirement System of the State of Kentucky | 66,987 | $5.78M | 0.05% | −5,455−7.5% | Reduced |
| Mutual of America Capital Management LLC | 70,155 | $6.06M | 0.07% | −3,260−4.4% | Reduced |
| NEOS Investment Management LLC | 70,654 | $6.10M | 0.08% | −45,572−39.2% | Reduced |
| Tema ETFs LLC | 70,654 | $6.10M | 1.62% | −45,572−39.2% | Reduced |
| NBW Capital LLC | 73,557 | $6.35M | 1.37% | −826−1.1% | Reduced |
| Warren Averett Asset Management, LLC | 73,910 | $6.38M | 0.07% | −473−0.6% | Reduced |
| Stifel Financial Corp | 74,767 | $6.46M | 0.01% | +6,584+9.7% | Added |
| Natixis Advisors, L.P. | 75,649 | $6.53M | 0.01% | +11,311+17.6% | Added |
| MetLife Investment Management | 75,942 | $6.56M | 0.04% | −2,920−3.7% | Reduced |
| Candelo Capital Management LP | 80,273 | $6.93M | 6.64% | +80,273 | New |
| Great West Life Assurance Co | 80,294 | $6.94M | 0.01% | −23,678−22.8% | Reduced |
| Mengis Capital Management, Inc. | 80,727 | $6.97M | 1.48% | −2,180−2.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 81,159 | $7.01M | 0.02% | +81,159 | New |
| Twinbeech Capital LP | 81,624 | $7.05M | 0.16% | +39,126+92.1% | Added |
| Citigroup Inc | 85,812 | $7.41M | 0.01% | +32,231+60.2% | Added |
| State Board of Administration of Florida Retirement System | 88,728 | $7.66M | 0.01% | +498+0.6% | Added |
| Advisors Asset Management, Inc. | 88,992 | $7.68M | 0.14% | +6,226+7.5% | Added |
| Concentric Capital Strategies, LP | 90,099 | $7.78M | 0.44% | +90,099 | New |
| Scopus Asset Management, L.P. | 98,466 | $8.50M | 0.23% | +98,466 | New |
| Jones Road Capital Management, L.P. | 99,877 | $8.62M | 8.39% | −10,000−9.1% | Reduced |
| Manufacturers Life Insurance Company, The | 105,718 | $9.13M | 0.01% | −6,657−5.9% | Reduced |
| Allianz Asset Management GmbH | 109,664 | $9.47M | 0.01% | +12,733+13.1% | Added |
| Deutsche Bank AG | 111,438 | $9.62M | 0.00% | +102,553+1,154.2% | Added |
| Trexquant Investment LP | 114,228 | $9.86M | 0.11% | −304,898−72.7% | Reduced |
| Comerica Bank | 115,452 | $9.97M | 0.04% | −31,542−21.5% | Reduced |
| Keystone Investors Pte Ltd | 116,839 | $10.1M | 2.08% | +116,839 | New |
| Algert Global LLC | 118,014 | $10.2M | 0.21% | +10,919+10.2% | Added |
| Mountaineer Partners Management, LLC | 122,970 | $10.6M | 7.02% | −58,405−32.2% | Reduced |
| SEI Investments Co | 123,166 | $10.6M | 0.01% | −24,857−16.8% | Reduced |
| Davidson Kempner Capital Management LP | 130,000 | $11.2M | 0.17% | −45,000−25.7% | Reduced |
| California State Teachers Retirement System | 132,134 | $11.4M | 0.01% | +1,027+0.8% | Added |
| Yaupon Capital Management LP | 135,246 | $11.7M | 0.78% | +135,246 | New |
| Barclays PLC | 136,984 | $11.8M | 0.00% | −39,544−22.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 137,409 | $11.9M | 0.09% | −86,773−38.7% | Reduced |
| New York State Teachers Retirement System | 143,428 | $12.4M | 0.03% | −727−0.5% | Reduced |
| Royce & Associates LP | 162,612 | $14.0M | 0.14% | −108,610−40.0% | Reduced |
| Moore Capital Management, LP | 162,965 | $14.1M | 0.28% | −23,884−12.8% | Reduced |
| Retirement Systems of Alabama | 172,417 | $14.9M | 0.05% | −1,197−0.7% | Reduced |
| Emerald Mutual Fund Advisers Trust | 179,255 | $15.5M | 0.94% | −169,768−48.6% | Reduced |
| California Public Employees Retirement System | 183,104 | $15.8M | 0.01% | +27,614+17.8% | Added |
| Hawk Ridge Capital Management LP | 191,300 | $16.5M | 0.69% | +191,300 | New |
| ING Groep NV | 192,400 | $16.6M | 0.10% | +192,400 | New |
| First Trust Advisors LP | 197,214 | $17.0M | 0.01% | +9,234+4.9% | Added |
| Prudential Financial Inc | 302,512 | $17.3M | 0.02% | +38,271+14.5% | Added |
| Alliancebernstein L.P. | 201,028 | $17.4M | 0.01% | −15,120−7.0% | Reduced |
| Natixis | 203,330 | $17.6M | 0.09% | +203,130+101,565.0% | Added |
| Hudson Bay Capital Management LP | 206,803 | $17.9M | 0.12% | −65,342−24.0% | Reduced |
| Gotham Asset Management, LLC | 207,919 | $18.0M | 0.11% | +21,005+11.2% | Added |
| Wells Fargo & Company | 217,478 | $18.8M | 0.00% | −35,990−14.2% | Reduced |
| New York State Common Retirement Fund | 226,456 | $19.6M | 0.03% | −136,436−37.6% | Reduced |
| Kinetic Partners Management, LP | 235,900 | $20.4M | 1.11% | +235,900 | New |
| Legal & General Group Plc | 237,225 | $20.5M | 0.01% | −17,950−7.0% | Reduced |
| Bank of Nova Scotia | 238,237 | $20.6M | 0.04% | +238,237 | New |
| Two Sigma Investments, LP | 256,653 | $22.2M | 0.04% | +119,205+86.7% | Added |
| Marshall Wace, LLP | 259,392 | $22.4M | 0.03% | −349,192−57.4% | Reduced |