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 |
|---|---|---|---|---|---|
| Confluence Wealth Services, Inc. | 4,857 | $706.5K | 0.03% | −245−4.8% | Reduced |
| Everence Capital Management Inc | 4,865 | $708.0K | 0.04% | −3,255−40.1% | Reduced |
| Coldstream Capital Management Inc | 4,903 | $713.2K | 0.01% | +1,469+42.8% | Added |
| Fifth Third Wealth Advisors LLC | 4,941 | $718.7K | 0.02% | +967+24.3% | Added |
| Mayflower Financial Advisors, LLC | 4,975 | $723.7K | 0.09% | 00.0% | Unchanged |
| Journey Strategic Wealth LLC | 4,999 | $727.2K | 0.02% | +198+4.1% | Added |
| West Michigan Advisors, LLC | 5,023 | $730.6K | 0.16% | +5,023 | New |
| Financiere des Professionnels - Fonds d,investissement inc. | 5,036 | $732.5K | 0.04% | 00.0% | Unchanged |
| Lido Advisors, LLC | 5,110 | $743.3K | 0.00% | +1,148+29.0% | Added |
| Oakmont Investment Advisors, Inc. | 5,204 | $757.0K | 0.69% | +5,204 | New |
| Campbell & CO Investment Adviser LLC | 5,233 | $761.2K | 0.04% | +5,233 | New |
| South Dakota Investment Council | 5,300 | $771.0K | 0.01% | +5,300 | New |
| Vestcor Inc | 5,330 | $775.0K | 0.02% | +3,208+151.2% | Added |
| Basepoint Wealth LLC | 5,414 | $787.5K | 0.45% | −199−3.5% | Reduced |
| ProShare Advisors LLC | 5,448 | $792.5K | 0.00% | +10.0% | Added |
| Integrated Wealth Concepts LLC | 5,465 | $794.9K | 0.01% | +2,997+121.4% | Added |
| Martingale Asset Management L P | 5,622 | $817.8K | 0.02% | −641−10.2% | Reduced |
| Crestwood Advisors Group LLC | 5,672 | $825.0K | 0.01% | −3,940−41.0% | Reduced |
| Sequoia Financial Advisors, LLC | 5,728 | $833.2K | 0.00% | −1,248−17.9% | Reduced |
| Keybank National Association | 5,825 | $847.3K | 0.00% | −3,290−36.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 5,903 | $858.6K | 0.00% | +5,903 | New |
| Fairvoy Private Wealth, LLC | 6,043 | $879.0K | 0.21% | +6,043 | New |
| Concurrent Investment Advisors, LLC | 6,203 | $902.3K | 0.01% | +693+12.6% | Added |
| Ethic Inc. | 6,207 | $902.9K | 0.01% | +379+6.5% | Added |
| Summit Trail Advisors, LLC | 6,271 | $912.2K | 0.01% | +3,233+106.4% | Added |
| Central Pacific Bank - Trust Division | 6,308 | $917.6K | 0.12% | −195−3.0% | Reduced |
| Citizens National Bank Trust Department | 6,407 | $932.0K | 0.16% | 00.0% | Unchanged |
| University of Texas/Texas Am Investment Managment Co | 6,437 | $936.3K | 0.14% | +1,374+27.1% | Added |
| Cetera Trust Company, N.A | 6,473 | $941.6K | 0.53% | 00.0% | Unchanged |
| Fragasso Group Inc. | 6,438 | $952.6K | 0.06% | −892−12.2% | Reduced |
| First Citizens Bank & Trust Co | 6,630 | $964.4K | 0.02% | −91−1.4% | Reduced |
| Friedenthal Financial | 6,741 | $980.5K | 0.49% | +6,741 | New |
| Maryland State Retirement & Pension System | 6,798 | $988.8K | 0.02% | 00.0% | Unchanged |
| 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 |
| Qtron Investments LLC | 6,927 | $1.01M | 0.14% | +948+15.9% | Added |
| Precision Wealth Strategies, LLC | 6,939 | $1.01M | 0.33% | +6,939 | New |
| Utah Retirement Systems | 7,146 | $1.04M | 0.01% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 7,198 | $1.05M | 0.00% | +3,974+123.3% | Added |
| First Business Financial Services, Inc. | 7,484 | $1.09M | 0.10% | 00.0% | Unchanged |
| Brighton Jones LLC | 7,566 | $1.10M | 0.02% | +7,566 | New |
| M&T Bank Corp | 7,601 | $1.11M | 0.00% | +194+2.6% | Added |
| Illinois Municipal Retirement Fund | 7,601 | $1.11M | 0.01% | +7,601 | New |
| Vinva Investment Management Ltd | 5,597 | $1.11M | 0.01% | +4,139+283.9% | Added |
| Fox Run Management, L.L.C. | 8,195 | $1.11M | 0.19% | +6,245+320.3% | Added |
| Oppenheimer Asset Management Inc. | 7,669 | $1.12M | 0.01% | −3,255−29.8% | Reduced |
| Vestmark Advisory Solutions, Inc. | 7,772 | $1.13M | 0.01% | +32+0.4% | Added |
| CCG Wealth Management, LLC | 7,797 | $1.13M | 0.31% | +15+0.2% | Added |
| Numerai GP LLC | 7,841 | $1.14M | 0.11% | −585−6.9% | Reduced |
| TD Waterhouse Canada Inc. | 7,642 | $1.15M | 0.00% | +7,551+8,297.8% | Added |
| Captrust Financial Advisors | 8,162 | $1.19M | 0.00% | +586+7.7% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 8,769 | $1.20M | 0.00% | +8,769 | New |
| Integrated Quantitative Investments LLC | 8,735 | $1.27M | 0.23% | +8,735 | New |
| Truist Financial Corp | 8,781 | $1.28M | 0.00% | +1,326+17.8% | Added |
| Weinberger Asset Management, Inc | 8,800 | $1.28M | 0.48% | 00.0% | Unchanged |
| Winton Group Ltd | 8,900 | $1.29M | 0.05% | −2,200−19.8% | Reduced |
| Oppenheimer & Co Inc | 8,922 | $1.30M | 0.02% | +8,922 | New |
| Colony Group, LLC | 8,995 | $1.31M | 0.00% | +1,751+24.2% | Added |
| PEAK6 LLC | 9,208 | $1.34M | 0.04% | −6,635−41.9% | Reduced |
| Arista Wealth Management, LLC | 9,221 | $1.34M | 0.16% | +9,221 | New |
| D.A. Davidson & Co. | 9,355 | $1.36M | 0.01% | +2,153+29.9% | Added |
| Edgestream Partners, L.P. | 9,517 | $1.38M | 0.05% | +1,399+17.2% | Added |
| Gallo Partners, LP | 9,642 | $1.40M | 2.68% | +6,971+261.0% | Added |
| Merit Financial Group, LLC | 9,682 | $1.41M | 0.01% | +3,900+67.5% | Added |
| Atom Investors LP | 9,762 | $1.42M | 0.10% | +9,762 | New |
| Dayah Capital LLC | 9,842 | $1.43M | 0.84% | −5,158−34.4% | Reduced |
| Waldron Private Wealth LLC | 9,903 | $1.44M | 0.06% | 00.0% | Unchanged |
| Jones Road Capital Management, L.P. | 10,000 | $1.45M | 2.84% | −20,000−66.7% | Reduced |
| Securian Asset Management, Inc | 10,015 | $1.46M | 0.06% | +114+1.2% | Added |
| Brinker Capital Investments, LLC | 10,036 | $1.46M | 0.01% | +8,074+411.5% | Added |
| Evergreen Capital Management LLC | 10,041 | $1.46M | 0.03% | −28−0.3% | Reduced |
| Crossmark Global Holdings, Inc. | 10,238 | $1.49M | 0.02% | +431+4.4% | Added |
| Skopos Labs, Inc. | 10,363 | $1.51M | 0.05% | +3,676+55.0% | Added |
| Adage Capital Partners GP, L.L.C. | 10,468 | $1.52M | 0.00% | 00.0% | Unchanged |
| Sigma Planning Corp | 10,517 | $1.53M | 0.04% | +10,517 | New |
| Advisor Group Holdings, Inc. | 10,590 | $1.54M | 0.00% | −10,317−49.3% | Reduced |
| CI Private Wealth, LLC | 11,608 | $1.55M | 0.00% | −164,878−93.4% | Reduced |
| Swiss Life Asset Management Ltd | 11,207 | $1.63M | 0.01% | +1,566+16.2% | Added |
| O'Shaughnessy Asset Management, LLC | 11,282 | $1.64M | 0.01% | +2,361+26.5% | Added |
| Jefferies Financial Group Inc. | 11,571 | $1.68M | 0.02% | −11,782−50.5% | Reduced |
| Farmers & Merchants Trust Co of Long Beach | 11,831 | $1.72M | 0.40% | 00.0% | Unchanged |
| Fruth Investment Management | 12,050 | $1.75M | 0.44% | −700−5.5% | Reduced |
| Oak Thistle LLC | 12,095 | $1.76M | 0.17% | +12,095 | New |
| Old West Investment Management, LLC | 12,555 | $1.83M | 0.20% | 00.0% | Unchanged |
| Nomura Holdings Inc | 12,932 | $1.88M | 0.02% | −6,395−33.1% | Reduced |
| Kestra Private Wealth Services, LLC | 13,011 | $1.89M | 0.02% | +3,260+33.4% | Added |
| Public Employees Retirement Association of Colorado | 13,019 | $1.89M | 0.01% | 00.0% | Unchanged |
| Capital International Sarl | 13,137 | $1.91M | 0.03% | +4,600+53.9% | Added |
| FourThought Financial Partners, LLC | 13,259 | $1.93M | 0.17% | −568−4.1% | Reduced |
| Los Angeles Capital Management LLC | 13,574 | $1.97M | 0.01% | −14,962−52.4% | Reduced |
| State of Alaska, Department of Revenue | 13,721 | $2.00M | 0.02% | +225+1.7% | Added |
| Atria Investments LLC | 13,943 | $2.03M | 0.02% | −2,944−17.4% | Reduced |
| Aigen Investment Management, LP | 14,063 | $2.05M | 0.53% | +14,063 | New |
| PVG Asset Management Corp | 10,475 | $2.05M | 1.22% | +10,475 | New |
| Kovitz Investment Group Partners, LLC | 14,418 | $2.10M | 0.05% | −5,534−27.7% | Reduced |
| Little House Capital LLC | 14,447 | $2.10M | 0.54% | +14,447 | New |
| Cambridge Investment Research Advisors, Inc. | 14,635 | $2.13M | 0.01% | +360+2.5% | Added |
| Commonwealth Equity Services, LLC | 14,662 | $2.13M | 0.00% | +992+7.3% | Added |
| Catalyst Funds Management Pty Ltd | 14,732 | $2.14M | 0.36% | +12,632+601.5% | Added |
| Raiffeisen Bank International AG | 16,000 | $2.17M | 0.03% | 00.0% | Unchanged |