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, Q4 2025
Institutional positions in Ati Inc as of Dec 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
- 570
- +109 vs. Q3 2025
- Shares held
- 128.3M
- −445.7K (−0.3%) vs. Q3 2025
- Total value
- $14.7B
- +$4.26B (+40.7%) vs. Q3 2025
- New holders
- 145
- 169 more added
- Sold out
- 36
- 181 more reduced
9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Chesapeake Capital Corp | 3,794 | $435.4K | 0.36% | 00.0% | Unchanged |
| American Trust | 3,816 | $437.9K | 0.04% | −1,584−29.3% | Reduced |
| Ewing Morris & Co. Investment Partners Ltd. | 3,800 | $441.4K | 0.19% | +3,800 | New |
| EverSource Wealth Advisors, LLC | 3,867 | $443.8K | 0.02% | +910+30.8% | Added |
| Harbour Investments, Inc. | 3,873 | $444.5K | 0.01% | −835−17.7% | Reduced |
| Forum Financial Management, LP | 3,918 | $449.6K | 0.01% | 00.0% | Unchanged |
| Whalen Wealth Management Inc. | 3,926 | $450.5K | 0.24% | +3,926 | New |
| Fifth Third Wealth Advisors LLC | 3,974 | $456.1K | 0.02% | +10+0.3% | Added |
| ESL Trust Services, LLC | 4,000 | $459.0K | 0.09% | 00.0% | Unchanged |
| Hunter Associates Investment Management LLC | 4,150 | $476.0K | 0.06% | +500+13.7% | Added |
| CIBC Asset Management Inc | 4,248 | $487.5K | 0.00% | +267+6.7% | Added |
| Sheets Smith Wealth Management | 4,321 | $495.9K | 0.05% | +4,321 | New |
| US Bancorp | 4,329 | $496.8K | 0.00% | −254−5.5% | Reduced |
| KBC Group NV | 4,340 | $498.0K | 0.00% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 4,296 | $499.1K | 0.01% | +1,569+57.5% | Added |
| Counterpoint Mutual Funds LLC | 4,360 | $500.4K | 0.04% | +4,360 | New |
| Shelton Capital Management | 4,484 | $514.6K | 0.01% | −576−11.4% | Reduced |
| Callan Family Office, LLC | 4,555 | $522.7K | 0.01% | +4,555 | New |
| F/M Investments LLC | 4,651 | $533.7K | 0.02% | +1,004+27.5% | Added |
| Eurizon Capital SGR S.p.A. | 4,767 | $549.2K | 0.00% | +4,767 | New |
| Steward Partners Investment Advisory, LLC | 4,791 | $549.8K | 0.00% | 00.0% | Unchanged |
| Journey Strategic Wealth LLC | 4,801 | $551.0K | 0.01% | +284+6.3% | Added |
| Flow Traders U.S. LLC | 4,837 | $555.0K | 0.02% | +4,837 | New |
| North Dakota State Investment Board | 4,917 | $564.3K | 0.02% | +4,917 | New |
| Mayflower Financial Advisors, LLC | 4,975 | $571.0K | 0.07% | +985+24.7% | Added |
| Franklin Resources Inc | 5,024 | $576.6K | 0.00% | −72−1.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 4,981 | $577.0K | 0.00% | +3,536+244.7% | Added |
| Financiere des Professionnels - Fonds d,investissement inc. | 5,036 | $577.9K | 0.03% | 00.0% | Unchanged |
| Intech Investment Management LLC | 5,038 | $578.2K | 0.01% | −47,052−90.3% | Reduced |
| University of Texas/Texas Am Investment Managment Co | 5,063 | $581.0K | 0.08% | +5,063 | New |
| Confluence Wealth Services, Inc. | 5,102 | $585.5K | 0.02% | −814−13.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 5,146 | $590.6K | 0.00% | −215−4.0% | Reduced |
| State of Wyoming | 5,218 | $598.8K | 0.07% | +3,723+249.0% | Added |
| Carnegie Capital Asset Management, LLC | 5,436 | $623.8K | 0.01% | −864−13.7% | Reduced |
| ProShare Advisors LLC | 5,447 | $625.1K | 0.00% | −416−7.1% | Reduced |
| Madison Asset Management, LLC | 5,500 | $631.2K | 0.01% | −3,000−35.3% | Reduced |
| Concurrent Investment Advisors, LLC | 5,510 | $632.3K | 0.01% | +1,275+30.1% | Added |
| Basepoint Wealth LLC | 5,613 | $644.1K | 0.39% | 00.0% | Unchanged |
| Quantitative Investment Management, LLC | 5,731 | $657.0K | 0.06% | +5,731 | New |
| Merit Financial Group, LLC | 5,782 | $663.5K | 0.01% | +5,782 | New |
| Ethic Inc. | 5,828 | $668.8K | 0.01% | −1,123−16.2% | Reduced |
| Sapience Investments, LLC | 5,893 | $676.3K | 2.55% | −2,397−28.9% | Reduced |
| Qtron Investments LLC | 5,979 | $686.1K | 0.09% | +5,979 | New |
| Alps Advisors Inc | 6,042 | $693.4K | 0.00% | +52+0.9% | Added |
| Global Retirement Partners, LLC | 6,115 | $701.8K | 0.01% | +6,035+7,543.8% | Added |
| Susquehanna International Group, LLP | 6,137 | $704.3K | 0.00% | −26,774−81.4% | Reduced |
| Martingale Asset Management L P | 6,263 | $718.7K | 0.02% | +6,263 | New |
| Lazard Asset Management LLC | 6,320 | $725.3K | 0.00% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 6,404 | $734.9K | 0.01% | −28,662−81.7% | Reduced |
| Citizens National Bank Trust Department | 6,407 | $735.3K | 0.13% | 00.0% | Unchanged |
| Cetera Trust Company, N.A | 6,473 | $742.8K | 0.40% | −700−9.8% | Reduced |
| Central Pacific Bank - Trust Division | 6,503 | $746.3K | 0.09% | −130−2.0% | Reduced |
| Aristeia Capital LLC | 6,529 | $749.3K | 0.02% | +1,449+28.5% | Added |
| First Citizens Bank & Trust Co | 6,721 | $771.3K | 0.02% | −338−4.8% | Reduced |
| Skopos Labs, Inc. | 6,687 | $779.9K | 0.04% | +6,687 | New |
| Maryland State Retirement & Pension System | 6,798 | $780.1K | 0.02% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 6,976 | $800.6K | 0.00% | +2,552+57.7% | Added |
| Utah Retirement Systems | 7,146 | $820.1K | 0.01% | −247−3.3% | Reduced |
| Squarepoint Ops LLC | 7,177 | $823.6K | 0.00% | −50,990−87.7% | Reduced |
| MML Investors Services, LLC | 7,189 | $825.0K | 0.00% | +263+3.8% | Added |
| D.A. Davidson & Co. | 7,202 | $826.5K | 0.01% | +140+2.0% | Added |
| Colony Group, LLC | 7,244 | $831.4K | 0.00% | +7,244 | New |
| Fragasso Group Inc. | 7,330 | $841.2K | 0.05% | 00.0% | Unchanged |
| M&T Bank Corp | 7,407 | $850.2K | 0.00% | +4,669+170.5% | Added |
| Michael B. Yongue | 7,423 | $851.9K | 0.59% | +551+8.0% | Added |
| Truist Financial Corp | 7,455 | $855.5K | 0.00% | +265+3.7% | Added |
| First Business Financial Services, Inc. | 7,484 | $858.9K | 0.08% | 00.0% | Unchanged |
| Greenland Capital Management LP | 7,500 | $860.7K | 0.12% | +7,500 | New |
| Captrust Financial Advisors | 7,576 | $869.4K | 0.00% | +7,576 | New |
| Vestmark Advisory Solutions, Inc. | 7,740 | $888.2K | 0.01% | +7,740 | New |
| CCG Wealth Management, LLC | 7,782 | $893.1K | 0.38% | −5−0.1% | Reduced |
| Tower Research Capital LLC (TRC) | 7,980 | $915.8K | 0.02% | +3,431+75.4% | Added |
| Sterling Capital Management LLC | 7,986 | $916.5K | 0.01% | −662−7.7% | Reduced |
| Qsemble Capital Management, LP | 8,087 | $928.1K | 0.08% | +8,087 | New |
| Edgestream Partners, L.P. | 8,118 | $931.6K | 0.03% | −50−0.6% | Reduced |
| Everence Capital Management Inc | 8,120 | $932.0K | 0.06% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 8,403 | $964.3K | 0.02% | +735+9.6% | Added |
| Numerai GP LLC | 8,426 | $967.0K | 0.12% | +8,426 | New |
| Capital International Sarl | 8,537 | $979.7K | 0.02% | 00.0% | Unchanged |
| Sciencast Management LP | 8,644 | $992.0K | 0.14% | −2,815−24.6% | Reduced |
| Weinberger Asset Management, Inc | 8,800 | $1.01M | 0.36% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 8,921 | $1.02M | 0.01% | +1,325+17.4% | Added |
| Keybank National Association | 9,115 | $1.05M | 0.00% | −297−3.2% | Reduced |
| Walleye Trading LLC | 9,362 | $1.07M | 0.02% | +9,362 | New |
| Polymer Capital Management (US) LLC | 9,437 | $1.08M | 0.14% | +6,791+256.7% | Added |
| Redwood Investment Management, LLC | 9,495 | $1.09M | 0.12% | −5,140−35.1% | Reduced |
| Quest Partners LLC | 9,519 | $1.09M | 0.06% | +3,033+46.8% | Added |
| Dark Forest Capital Management LP | 9,542 | $1.10M | 0.05% | +9,542 | New |
| Simplex Trading, LLC | 9,545 | $1.10M | 0.03% | +4,585+92.4% | Added |
| Crestwood Advisors Group LLC | 9,612 | $1.10M | 0.02% | −6,392−39.9% | Reduced |
| Swiss Life Asset Management Ltd | 9,641 | $1.11M | 0.01% | +3,202+49.7% | Added |
| Kestra Private Wealth Services, LLC | 9,751 | $1.12M | 0.01% | +42+0.4% | Added |
| Crossmark Global Holdings, Inc. | 9,807 | $1.13M | 0.02% | +943+10.6% | Added |
| Securian Asset Management, Inc | 9,901 | $1.14M | 0.04% | −421−4.1% | Reduced |
| Waldron Private Wealth LLC | 9,903 | $1.14M | 0.04% | +400+4.2% | Added |
| Evergreen Capital Management LLC | 10,069 | $1.16M | 0.03% | +2,683+36.3% | Added |
| Jump Financial, LLC | 10,104 | $1.16M | 0.01% | +10,104 | New |
| Virginia Retirement Systems Et Al | 10,228 | $1.17M | 0.01% | +950+10.2% | Added |
| Adage Capital Partners GP, L.L.C. | 10,468 | $1.20M | 0.00% | −4,532−30.2% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,859 | $1.25M | 0.00% | +1,313+13.8% | Added |