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 2026
Institutional positions in Ati Inc as of Mar 31, 2026. 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
- 678
- +116 vs. Q4 2025
- Shares held
- 127.4M
- +13.8M (+12.2%) vs. Q4 2025
- Total value
- $18.5B
- +$5.46B (+41.9%) vs. Q4 2025
- New holders
- 167
- 246 more added
- Sold out
- 51
- 189 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Swiss Life Asset Management Ltd | 11,207 | $1.63M | 0.01% | +1,566+16.2% | Added |
| CI Private Wealth, LLC | 11,608 | $1.55M | 0.00% | −164,878−93.4% | Reduced |
| Advisor Group Holdings, Inc. | 10,590 | $1.54M | 0.00% | −10,317−49.3% | Reduced |
| Sigma Planning Corp | 10,517 | $1.53M | 0.04% | +10,517 | New |
| Adage Capital Partners GP, L.L.C. | 10,468 | $1.52M | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 10,363 | $1.51M | 0.05% | +3,676+55.0% | Added |
| Crossmark Global Holdings, Inc. | 10,238 | $1.49M | 0.02% | +431+4.4% | Added |
| Evergreen Capital Management LLC | 10,041 | $1.46M | 0.03% | −28−0.3% | Reduced |
| Brinker Capital Investments, LLC | 10,036 | $1.46M | 0.01% | +8,074+411.5% | Added |
| Securian Asset Management, Inc | 10,015 | $1.46M | 0.06% | +114+1.2% | Added |
| Jones Road Capital Management, L.P. | 10,000 | $1.45M | 2.84% | −20,000−66.7% | Reduced |
| Waldron Private Wealth LLC | 9,903 | $1.44M | 0.06% | 00.0% | Unchanged |
| Dayah Capital LLC | 9,842 | $1.43M | 0.84% | −5,158−34.4% | Reduced |
| Atom Investors LP | 9,762 | $1.42M | 0.10% | +9,762 | New |
| Merit Financial Group, LLC | 9,682 | $1.41M | 0.01% | +3,900+67.5% | Added |
| Gallo Partners, LP | 9,642 | $1.40M | 2.68% | +6,971+261.0% | Added |
| Edgestream Partners, L.P. | 9,517 | $1.38M | 0.05% | +1,399+17.2% | Added |
| D.A. Davidson & Co. | 9,355 | $1.36M | 0.01% | +2,153+29.9% | Added |
| Arista Wealth Management, LLC | 9,221 | $1.34M | 0.16% | +9,221 | New |
| PEAK6 LLC | 9,208 | $1.34M | 0.04% | −6,635−41.9% | Reduced |
| Colony Group, LLC | 8,995 | $1.31M | 0.00% | +1,751+24.2% | Added |
| Oppenheimer & Co Inc | 8,922 | $1.30M | 0.02% | +8,922 | New |
| Winton Group Ltd | 8,900 | $1.29M | 0.05% | −2,200−19.8% | Reduced |
| Weinberger Asset Management, Inc | 8,800 | $1.28M | 0.48% | 00.0% | Unchanged |
| Truist Financial Corp | 8,781 | $1.28M | 0.00% | +1,326+17.8% | Added |
| Integrated Quantitative Investments LLC | 8,735 | $1.27M | 0.23% | +8,735 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 8,769 | $1.20M | 0.00% | +8,769 | New |
| Captrust Financial Advisors | 8,162 | $1.19M | 0.00% | +586+7.7% | Added |
| TD Waterhouse Canada Inc. | 7,642 | $1.15M | 0.00% | +7,551+8,297.8% | Added |
| Numerai GP LLC | 7,841 | $1.14M | 0.11% | −585−6.9% | Reduced |
| CCG Wealth Management, LLC | 7,797 | $1.13M | 0.31% | +15+0.2% | Added |
| Vestmark Advisory Solutions, Inc. | 7,772 | $1.13M | 0.01% | +32+0.4% | Added |
| Oppenheimer Asset Management Inc. | 7,669 | $1.12M | 0.01% | −3,255−29.8% | Reduced |
| Fox Run Management, L.L.C. | 8,195 | $1.11M | 0.19% | +6,245+320.3% | Added |
| Vinva Investment Management Ltd | 5,597 | $1.11M | 0.01% | +4,139+283.9% | Added |
| Illinois Municipal Retirement Fund | 7,601 | $1.11M | 0.01% | +7,601 | New |
| M&T Bank Corp | 7,601 | $1.11M | 0.00% | +194+2.6% | Added |
| Brighton Jones LLC | 7,566 | $1.10M | 0.02% | +7,566 | New |
| First Business Financial Services, Inc. | 7,484 | $1.09M | 0.10% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 7,198 | $1.05M | 0.00% | +3,974+123.3% | Added |
| Utah Retirement Systems | 7,146 | $1.04M | 0.01% | 00.0% | Unchanged |
| Precision Wealth Strategies, LLC | 6,939 | $1.01M | 0.33% | +6,939 | New |
| Qtron Investments LLC | 6,927 | $1.01M | 0.14% | +948+15.9% | Added |
| Rational Advisors LLC | 6,900 | $1.00M | 0.10% | −26,500−79.3% | Reduced |
| Pinnbrook Capital Management LP | 6,900 | $1.00M | 0.82% | +6,900 | New |
| Maryland State Retirement & Pension System | 6,798 | $988.8K | 0.02% | 00.0% | Unchanged |
| Friedenthal Financial | 6,741 | $980.5K | 0.49% | +6,741 | New |
| First Citizens Bank & Trust Co | 6,630 | $964.4K | 0.02% | −91−1.4% | Reduced |
| Fragasso Group Inc. | 6,438 | $952.6K | 0.06% | −892−12.2% | Reduced |
| Cetera Trust Company, N.A | 6,473 | $941.6K | 0.53% | 00.0% | Unchanged |
| University of Texas/Texas Am Investment Managment Co | 6,437 | $936.3K | 0.14% | +1,374+27.1% | Added |
| Citizens National Bank Trust Department | 6,407 | $932.0K | 0.16% | 00.0% | Unchanged |
| Central Pacific Bank - Trust Division | 6,308 | $917.6K | 0.12% | −195−3.0% | Reduced |
| Summit Trail Advisors, LLC | 6,271 | $912.2K | 0.01% | +3,233+106.4% | Added |
| Ethic Inc. | 6,207 | $902.9K | 0.01% | +379+6.5% | Added |
| Concurrent Investment Advisors, LLC | 6,203 | $902.3K | 0.01% | +693+12.6% | Added |
| Fairvoy Private Wealth, LLC | 6,043 | $879.0K | 0.21% | +6,043 | New |
| Mitsubishi UFJ Trust & Banking Corp | 5,903 | $858.6K | 0.00% | +5,903 | New |
| Keybank National Association | 5,825 | $847.3K | 0.00% | −3,290−36.1% | Reduced |
| Sequoia Financial Advisors, LLC | 5,728 | $833.2K | 0.00% | −1,248−17.9% | Reduced |
| Crestwood Advisors Group LLC | 5,672 | $825.0K | 0.01% | −3,940−41.0% | Reduced |
| Martingale Asset Management L P | 5,622 | $817.8K | 0.02% | −641−10.2% | Reduced |
| Integrated Wealth Concepts LLC | 5,465 | $794.9K | 0.01% | +2,997+121.4% | Added |
| ProShare Advisors LLC | 5,448 | $792.5K | 0.00% | +10.0% | Added |
| Basepoint Wealth LLC | 5,414 | $787.5K | 0.45% | −199−3.5% | Reduced |
| Vestcor Inc | 5,330 | $775.0K | 0.02% | +3,208+151.2% | Added |
| South Dakota Investment Council | 5,300 | $771.0K | 0.01% | +5,300 | New |
| Campbell & CO Investment Adviser LLC | 5,233 | $761.2K | 0.04% | +5,233 | New |
| Oakmont Investment Advisors, Inc. | 5,204 | $757.0K | 0.69% | +5,204 | New |
| Lido Advisors, LLC | 5,110 | $743.3K | 0.00% | +1,148+29.0% | Added |
| Financiere des Professionnels - Fonds d,investissement inc. | 5,036 | $732.5K | 0.04% | 00.0% | Unchanged |
| West Michigan Advisors, LLC | 5,023 | $730.6K | 0.16% | +5,023 | New |
| Journey Strategic Wealth LLC | 4,999 | $727.2K | 0.02% | +198+4.1% | Added |
| Mayflower Financial Advisors, LLC | 4,975 | $723.7K | 0.09% | 00.0% | Unchanged |
| Fifth Third Wealth Advisors LLC | 4,941 | $718.7K | 0.02% | +967+24.3% | Added |
| Coldstream Capital Management Inc | 4,903 | $713.2K | 0.01% | +1,469+42.8% | Added |
| Everence Capital Management Inc | 4,865 | $708.0K | 0.04% | −3,255−40.1% | Reduced |
| Confluence Wealth Services, Inc. | 4,857 | $706.5K | 0.03% | −245−4.8% | Reduced |
| US Bancorp | 4,733 | $688.5K | 0.00% | +404+9.3% | Added |
| Y.D. More Investments Ltd | 4,725 | $687.3K | 0.03% | +4,725 | New |
| PFG Advisors | 4,724 | $687.2K | 0.03% | +4,724 | New |
| Sterling Capital Management LLC | 4,541 | $660.5K | 0.01% | −3,445−43.1% | Reduced |
| Vident Advisory, LLC | 4,505 | $655.3K | 0.01% | +1,560+53.0% | Added |
| Shelton Capital Management | 4,484 | $652.2K | 0.01% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 4,474 | $650.8K | 0.08% | +4,474 | New |
| Caitong International Asset Management Co., Ltd | 4,384 | $637.7K | 0.12% | +4,384 | New |
| Sheets Smith Wealth Management | 4,349 | $632.6K | 0.07% | +28+0.6% | Added |
| KBC Group NV | 4,340 | $631.0K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 4,262 | $620.0K | 0.01% | +389+10.0% | Added |
| CIBC Asset Management Inc | 4,248 | $617.9K | 0.00% | 00.0% | Unchanged |
| Alphadyne Asset Management LP | 4,176 | $607.4K | 0.08% | +4,176 | New |
| Hunter Associates Investment Management LLC | 4,150 | $603.0K | 0.08% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 4,130 | $600.8K | 0.00% | −1,016−19.7% | Reduced |
| HB Wealth Management, LLC | 4,118 | $599.0K | 0.00% | +896+27.8% | Added |
| Tower Research Capital LLC (TRC) | 4,062 | $590.9K | 0.02% | −3,918−49.1% | Reduced |
| ESL Trust Services, LLC | 4,000 | $581.8K | 0.11% | 00.0% | Unchanged |
| GWM Advisors LLC | 3,969 | $577.3K | 0.00% | +3,869+3,869.0% | Added |
| Polymer Capital Management (US) LLC | 3,955 | $575.3K | 0.09% | −5,482−58.1% | Reduced |
| Farther Finance Advisors, LLC | 3,802 | $575.1K | 0.01% | +480+14.4% | Added |
| North Dakota State Investment Board | 3,938 | $572.8K | 0.02% | −979−19.9% | Reduced |