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, Q3 2025
Institutional positions in Ati Inc as of Sep 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
- 470
- +3 vs. Q2 2025
- Shares held
- 128.8M
- −3.45M (−2.6%) vs. Q2 2025
- Total value
- $10.5B
- −$931.7M (−8.2%) vs. Q2 2025
- New holders
- 90
- 152 more added
- Sold out
- 87
- 154 more reduced
6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Utah Retirement Systems | 7,393 | $601.3K | 0.01% | 00.0% | Unchanged |
| First Business Financial Services, Inc. | 7,484 | $608.7K | 0.06% | 00.0% | Unchanged |
| Toroso Investments, LLC | 7,501 | $610.1K | 0.00% | +2,995+66.5% | Added |
| O'Shaughnessy Asset Management, LLC | 7,596 | $617.9K | 0.00% | +447+6.3% | Added |
| Brevan Howard Capital Management LP | 7,668 | $623.7K | 0.01% | −31,784−80.6% | Reduced |
| CCG Wealth Management, LLC | 7,787 | $633.4K | 0.30% | 00.0% | Unchanged |
| Everence Capital Management Inc | 8,120 | $660.0K | 0.04% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 8,168 | $664.4K | 0.02% | −48,675−85.6% | Reduced |
| Sapience Investments, LLC | 8,290 | $674.3K | 2.64% | −25,753−75.6% | Reduced |
| Madison Asset Management, LLC | 8,500 | $691.4K | 0.01% | −4,000−32.0% | Reduced |
| Capital International Sarl | 8,537 | $694.4K | 0.01% | −1,550−15.4% | Reduced |
| Sterling Capital Management LLC | 8,648 | $703.4K | 0.01% | −661−7.1% | Reduced |
| Weinberger Asset Management, Inc | 8,800 | $715.8K | 0.26% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 8,864 | $721.0K | 0.01% | +717+8.8% | Added |
| Virginia Retirement Systems Et Al | 9,278 | $754.7K | 0.00% | −400−4.1% | Reduced |
| HRT Financial LP | 9,331 | $758.0K | 0.00% | −4,938−34.6% | Reduced |
| Keybank National Association | 9,412 | $765.6K | 0.00% | −731−7.2% | Reduced |
| Waldron Private Wealth LLC | 9,503 | $773.0K | 0.03% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 9,546 | $776.5K | 0.00% | +9,546 | New |
| Kestra Private Wealth Services, LLC | 9,709 | $789.7K | 0.01% | +4,344+81.0% | Added |
| Wiley Bros.-Aintree Capital, LLC | 9,739 | $792.2K | 0.01% | +9,739 | New |
| Mackenzie Financial Corp | 9,759 | $793.8K | 0.00% | +9,759 | New |
| Weiss Asset Management LP | 10,241 | $833.0K | 0.01% | +10,241 | New |
| Y-Intercept (Hong Kong) Ltd | 10,241 | $833.0K | 0.02% | +10,241 | New |
| Securian Asset Management, Inc | 10,322 | $839.6K | 0.02% | −411−3.8% | Reduced |
| Capital Fund Management S.A. | 10,576 | $860.3K | 0.01% | +10,576 | New |
| Engineers Gate Manager LP | 10,645 | $865.9K | 0.01% | −30,483−74.1% | Reduced |
| Sciencast Management LP | 11,459 | $932.1K | 0.17% | −5,137−31.0% | Reduced |
| Oppenheimer Asset Management Inc. | 11,806 | $960.3K | 0.01% | +11,806 | New |
| Farmers & Merchants Trust Co of Long Beach | 11,831 | $962.3K | 0.20% | 00.0% | Unchanged |
| RMB Capital Management, LLC | 11,840 | $963.1K | 0.02% | +24+0.2% | Added |
| Thoroughbred Financial Services, LLC | 11,913 | $969.0K | 0.06% | +240+2.1% | Added |
| Friedenthal Financial | 12,204 | $992.7K | 0.51% | +1,695+16.1% | Added |
| Fruth Investment Management | 12,750 | $1.04M | 0.28% | −1,800−12.4% | Reduced |
| Fund 1 Investments, LLC | 12,813 | $1.04M | 0.13% | +12,813 | New |
| Nisa Investment Advisors, LLC | 12,924 | $1.05M | 0.00% | −30.0% | Reduced |
| Public Employees Retirement Association of Colorado | 13,019 | $1.06M | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 13,400 | $1.09M | 0.17% | +5,472+69.0% | Added |
| JustInvest LLC | 13,466 | $1.10M | 0.01% | +1,688+14.3% | Added |
| Mercer Global Advisors Inc | 13,793 | $1.12M | 0.00% | +4,578+49.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 13,847 | $1.13M | 0.00% | +4,954+55.7% | Added |
| Jones Financial Companies LLLP | 14,040 | $1.16M | 0.00% | +1,829+15.0% | Added |
| FourThought Financial Partners, LLC | 14,382 | $1.17M | 0.10% | +1,300+9.9% | Added |
| Nomura Holdings Inc | 14,452 | $1.18M | 0.01% | +14,452 | New |
| Gabelli Funds LLC | 14,500 | $1.18M | 0.01% | 00.0% | Unchanged |
| Redwood Investment Management, LLC | 14,635 | $1.19M | 0.13% | +14,635 | New |
| State of Alaska, Department of Revenue | 14,816 | $1.21M | 0.01% | −1,039−6.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 15,000 | $1.22M | 0.00% | +15,000 | New |
| Knights of Columbus Asset Advisors LLC | 15,007 | $1.22M | 0.07% | −342−2.2% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 15,210 | $1.24M | 0.04% | +10,542+225.8% | Added |
| Xponance, Inc. | 15,332 | $1.25M | 0.01% | −413−2.6% | Reduced |
| Expect Equity LLC | 15,350 | $1.25M | 1.22% | +15,350 | New |
| Bragg Financial Advisors, Inc | 15,374 | $1.25M | 0.04% | +15,374 | New |
| Quadrant Capital Group LLC | 15,484 | $1.26M | 0.04% | −527−3.3% | Reduced |
| Commonwealth Equity Services, LLC | 15,509 | $1.26M | 0.00% | +1,002+6.9% | Added |
| Raiffeisen Bank International AG | 16,000 | $1.27M | 0.02% | +2,000+14.3% | Added |
| Yaupon Capital Management LP | 15,844 | $1.29M | 0.07% | −119,402−88.3% | Reduced |
| Crestwood Advisors Group LLC | 16,004 | $1.30M | 0.02% | −1,048−6.1% | Reduced |
| Atria Investments LLC | 16,173 | $1.32M | 0.02% | +16,173 | New |
| NVWM, LLC | 16,283 | $1.32M | 0.30% | −67−0.4% | Reduced |
| TD Asset Management Inc | 16,537 | $1.35M | 0.00% | +16,537 | New |
| CenterBook Partners LP | 16,858 | $1.37M | 0.07% | +16,858 | New |
| Wealth Enhancement Advisory Services, LLC | 16,709 | $1.40M | 0.00% | +453+2.8% | Added |
| Advisory Services Network, LLC | 17,739 | $1.44M | 0.02% | +71+0.4% | Added |
| Paradigm Capital Management Inc | 18,000 | $1.46M | 0.06% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 18,155 | $1.48M | 0.00% | +18,155 | New |
| Hantz Financial Services, Inc. | 18,987 | $1.54M | 0.02% | −446−2.3% | Reduced |
| First Financial Bankshares Inc | 19,534 | $1.59M | 0.03% | +19,534 | New |
| Advisor Group Holdings, Inc. | 20,598 | $1.61M | 0.00% | −707−3.3% | Reduced |
| Russell Investments Group, Ltd. | 19,875 | $1.62M | 0.00% | +13,705+222.1% | Added |
| Pictet Asset Management Holding SA | 20,233 | $1.65M | 0.00% | −1,737−7.9% | Reduced |
| Creative Planning | 20,584 | $1.67M | 0.00% | −2,074−9.2% | Reduced |
| Victory Capital Management Inc | 20,717 | $1.69M | 0.00% | −2,666−11.4% | Reduced |
| Jain Global LLC | 21,339 | $1.74M | 0.02% | +21,339 | New |
| IMC-Chicago, LLC | 22,509 | $1.83M | 0.03% | +22,509 | New |
| Northwestern Mutual Wealth Management Co | 23,274 | $1.89M | 0.00% | +5,689+32.4% | Added |
| Huntington National Bank | 23,442 | $1.91M | 0.01% | +192+0.8% | Added |
| OP Asset Management Ltd | 23,566 | $1.92M | 0.03% | +5,315+29.1% | Added |
| Credit Agricole S A | 25,059 | $2.04M | 0.01% | +25,059 | New |
| Quantinno Capital Management LP | 25,179 | $2.05M | 0.01% | +13,404+113.8% | Added |
| Gallo Partners, LP | 25,911 | $2.11M | 1.58% | +25,911 | New |
| Ameritas Investment Partners, Inc. | 26,067 | $2.12M | 0.06% | −1,553−5.6% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 26,133 | $2.13M | 0.03% | +26,133 | New |
| Ensign Peak Advisors, Inc | 26,141 | $2.13M | 0.00% | −12,800−32.9% | Reduced |
| HighTower Advisors, LLC | 26,568 | $2.16M | 0.00% | +2,456+10.2% | Added |
| HSBC Holdings PLC | 27,263 | $2.20M | 0.00% | −8,421−23.6% | Reduced |
| Bank of Montreal | 27,253 | $2.22M | 0.00% | −6,395−19.0% | Reduced |
| Marathon Partners Equity Management, LLC | 27,500 | $2.24M | 1.78% | +27,500 | New |
| Oregon Public Employees Retirement Fund | 27,763 | $2.26M | 0.03% | −1,100−3.8% | Reduced |
| Janney Montgomery Scott LLC | 27,880 | $2.27M | 0.01% | −2,525−8.3% | Reduced |
| Man Group plc | 28,521 | $2.32M | 0.00% | +21,009+279.7% | Added |
| New Mexico Educational Retirement Board | 28,800 | $2.34M | 0.07% | 00.0% | Unchanged |
| Kovitz Investment Group Partners, LLC | 28,979 | $2.36M | 0.01% | +28,979 | New |
| KLP Kapitalforvaltning AS | 29,400 | $2.39M | 0.01% | +400+1.4% | Added |
| Los Angeles Capital Management LLC | 30,615 | $2.49M | 0.01% | −5,174−14.5% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 30,722 | $2.50M | 0.04% | −774−2.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 32,122 | $2.61M | 0.00% | +6,753+26.6% | Added |
| State of Michigan Retirement System | 32,800 | $2.67M | 0.01% | −1,100−3.2% | Reduced |
| Susquehanna International Group, LLP | 32,911 | $2.68M | 0.00% | +17,090+108.0% | Added |
| Teacher Retirement System of Texas | 33,049 | $2.69M | 0.01% | +1,118+3.5% | Added |