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 2026
Institutional positions in Ati Inc as of Jun 30, 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
- 795
- +124 vs. Q1 2026
- Shares held
- 127.6M
- +300.1K (+0.2%) vs. Q1 2026
- Total value
- $25.1B
- +$6.58B (+35.6%) vs. Q1 2026
- New holders
- 178
- 306 more added
- Sold out
- 54
- 222 more reduced
7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Toth Financial Advisory Corp | 5,609 | $1.11M | 0.11% | +3,109+124.4% | Added |
| Martingale Asset Management L P | 5,637 | $1.11M | 0.03% | +15+0.3% | Added |
| Qtron Investments LLC | 5,695 | $1.12M | 0.15% | −1,232−17.8% | Reduced |
| Exchange Traded Concepts, LLC | 5,737 | $1.13M | 0.01% | +3,168+123.3% | Added |
| Arista Wealth Management, LLC | 5,753 | $1.13M | 0.12% | −3,468−37.6% | Reduced |
| Keybank National Association | 5,773 | $1.14M | 0.00% | −52−0.9% | Reduced |
| Integrated Wealth Concepts LLC | 5,890 | $1.16M | 0.01% | +425+7.8% | Added |
| Magnetar Financial LLC | 5,931 | $1.17M | 0.01% | +5,931 | New |
| GWM Advisors LLC | 5,967 | $1.18M | 0.00% | +1,998+50.3% | Added |
| Machina Capital S.A.S. | 5,976 | $1.18M | 0.19% | +4,076+214.5% | Added |
| Marathon Partners Equity Management, LLC | 6,000 | $1.18M | 1.16% | −11,500−65.7% | Reduced |
| Summit Trail Advisors, LLC | 6,003 | $1.18M | 0.01% | −268−4.3% | Reduced |
| Ostrum Asset Management | 6,065 | $1.20M | 0.06% | +6,065 | New |
| Lido Advisors, LLC | 6,125 | $1.21M | 0.00% | +1,015+19.9% | Added |
| Simplex Trading, LLC | 6,203 | $1.22M | 0.03% | +6,203 | New |
| Principal Securities, Inc. | 6,215 | $1.22M | 0.01% | +6,215 | New |
| Central Pacific Bank - Trust Division | 6,308 | $1.24M | 0.13% | 00.0% | Unchanged |
| Citizens National Bank Trust Department | 6,407 | $1.26M | 0.19% | 00.0% | Unchanged |
| Precision Wealth Strategies, LLC | 6,484 | $1.28M | 0.39% | −455−6.6% | Reduced |
| Cetera Trust Company, N.A | 6,548 | $1.29M | 0.65% | +75+1.2% | Added |
| State of Wyoming | 6,652 | $1.31M | 0.13% | +3,770+130.8% | Added |
| Fragasso Group Inc. | 6,653 | $1.31M | 0.07% | +215+3.3% | Added |
| Concurrent Investment Advisors, LLC | 6,808 | $1.34M | 0.01% | +605+9.8% | Added |
| CWM Advisors, LLC | 6,883 | $1.36M | 0.06% | −10,163−59.6% | Reduced |
| Utah Retirement Systems | 7,061 | $1.39M | 0.01% | −85−1.2% | Reduced |
| First Citizens Bank & Trust Co | 7,061 | $1.39M | 0.02% | +431+6.5% | Added |
| Numerai GP LLC | 7,112 | $1.40M | 0.11% | −729−9.3% | Reduced |
| First Business Financial Services, Inc. | 7,158 | $1.41M | 0.11% | −326−4.4% | Reduced |
| Maryland State Retirement & Pension System | 7,352 | $1.45M | 0.02% | +554+8.1% | Added |
| Ensign Peak Advisors, Inc | 7,441 | $1.47M | 0.00% | −13,374−64.3% | Reduced |
| CAPROCK Group, Inc. | 7,616 | $1.50M | 0.03% | +4,264+127.2% | Added |
| Landscape Capital Management, L.L.C. | 7,649 | $1.51M | 0.10% | +7,649 | New |
| Ethic Inc. | 7,695 | $1.52M | 0.02% | +1,488+24.0% | Added |
| Acadian Asset Management LLC | 7,708 | $1.52M | 0.00% | +7,103+1,174.0% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 7,799 | $1.54M | 0.00% | −970−11.1% | Reduced |
| CCG Wealth Management, LLC | 7,815 | $1.54M | 0.36% | +18+0.2% | Added |
| M&T Bank Corp | 7,914 | $1.56M | 0.00% | +313+4.1% | Added |
| Brighton Jones LLC | 7,922 | $1.56M | 0.03% | +356+4.7% | Added |
| SummitTX Capital, L.P. | 7,978 | $1.57M | 0.04% | +7,978 | New |
| Twin Tree Management, LP | 8,097 | $1.60M | 0.25% | −6,883−45.9% | Reduced |
| Gsa Capital Partners LLP | 8,292 | $1.63M | 0.10% | +5,145+163.5% | Added |
| Headlands Technologies LLC | 8,300 | $1.64M | 0.17% | +5,013+152.5% | Added |
| Weinberger Asset Management, Inc | 8,800 | $1.65M | 0.53% | 00.0% | Unchanged |
| Ritholtz Wealth Management | 8,455 | $1.67M | 0.02% | +8,455 | New |
| Oppenheimer & Co Inc | 8,499 | $1.68M | 0.02% | −423−4.7% | Reduced |
| Robeco Institutional Asset Management B.V. | 8,606 | $1.70M | 0.00% | +8,606 | New |
| University of Texas/Texas Am Investment Managment Co | 8,864 | $1.75M | 0.20% | +2,427+37.7% | Added |
| Vestmark Advisory Solutions, Inc. | 8,868 | $1.75M | 0.02% | +1,096+14.1% | Added |
| Dynamic Technology Lab Private Ltd | 9,130 | $1.80M | 0.40% | +9,130 | New |
| Squarepoint Ops LLC | 9,335 | $1.84M | 0.00% | −13,506−59.1% | Reduced |
| Fox Run Management, L.L.C. | 9,361 | $1.85M | 0.31% | +1,166+14.2% | Added |
| Securian Asset Management, Inc | 10,015 | $1.86M | 0.07% | 00.0% | Unchanged |
| Walleye Trading LLC | 9,667 | $1.91M | 0.03% | +9,667 | New |
| Merit Financial Group, LLC | 9,735 | $1.92M | 0.01% | +53+0.5% | Added |
| Waldron Private Wealth LLC | 9,903 | $1.95M | 0.07% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 9,904 | $1.95M | 0.01% | +549+5.9% | Added |
| Evergreen Capital Management LLC | 9,996 | $1.97M | 0.03% | −45−0.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,126 | $2.00M | 0.01% | −9,803−49.2% | Reduced |
| Nomura Holdings Inc | 10,388 | $2.05M | 0.01% | −2,544−19.7% | Reduced |
| PVG Asset Management Corp | 10,475 | $2.06M | 1.20% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 10,607 | $2.09M | 0.03% | +369+3.6% | Added |
| Edgestream Partners, L.P. | 10,664 | $2.10M | 0.06% | +1,147+12.1% | Added |
| Kestra Private Wealth Services, LLC | 10,719 | $2.11M | 0.02% | −2,292−17.6% | Reduced |
| Captrust Financial Advisors | 10,731 | $2.12M | 0.00% | +2,569+31.5% | Added |
| Los Angeles Capital Management LLC | 10,832 | $2.13M | 0.01% | −2,742−20.2% | Reduced |
| Capstone Investment Advisors, LLC | 10,849 | $2.14M | 0.01% | −14,170−56.6% | Reduced |
| Williamson Legacy Group, LLC | 11,077 | $2.18M | 1.08% | +11,077 | New |
| Mitsubishi UFJ Trust & Banking Corp | 11,110 | $2.19M | 0.00% | +5,207+88.2% | Added |
| Swiss Life Asset Management Ltd | 11,389 | $2.24M | 0.01% | +182+1.6% | Added |
| Colony Group, LLC | 11,477 | $2.26M | 0.00% | +2,482+27.6% | Added |
| Farmers & Merchants Trust Co of Long Beach | 11,831 | $2.33M | 0.50% | 00.0% | Unchanged |
| Oak Thistle LLC | 11,879 | $2.34M | 0.23% | −216−1.8% | Reduced |
| NVWM, LLC | 11,925 | $2.35M | 0.47% | −3,788−24.1% | Reduced |
| SRS Capital Advisors, Inc. | 11,974 | $2.36M | 0.02% | +9,941+489.0% | Added |
| Fruth Investment Management | 12,050 | $2.38M | 0.57% | 00.0% | Unchanged |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 12,199 | $2.40M | 0.00% | +12,199 | New |
| Tower Research Capital LLC (TRC) | 12,494 | $2.46M | 0.06% | +8,432+207.6% | Added |
| Old West Investment Management, LLC | 12,555 | $2.47M | 0.26% | 00.0% | Unchanged |
| FourThought Financial Partners, LLC | 13,124 | $2.59M | 0.20% | −135−1.0% | Reduced |
| State of Alaska, Department of Revenue | 13,372 | $2.63M | 0.03% | −349−2.5% | Reduced |
| Winton Group Ltd | 13,394 | $2.64M | 0.09% | +4,494+50.5% | Added |
| Kovitz Investment Group Partners, LLC | 13,438 | $2.65M | 0.06% | −980−6.8% | Reduced |
| Dark Forest Capital Management LP | 13,637 | $2.69M | 0.17% | +10,259+303.7% | Added |
| Ambassador Advisors, LLC | 13,653 | $2.69M | 0.33% | +13,653 | New |
| Sendero Wealth Management, LLC | 13,811 | $2.72M | 0.27% | +13,811 | New |
| Boothbay Fund Management, LLC | 13,952 | $2.75M | 0.05% | +11,667+510.6% | Added |
| Rational Advisors LLC | 14,100 | $2.78M | 0.25% | +7,200+104.3% | Added |
| Commonwealth Equity Services, LLC | 14,307 | $2.82M | 0.00% | −355−2.4% | Reduced |
| Oppenheimer Asset Management Inc. | 14,532 | $2.86M | 0.03% | +6,863+89.5% | Added |
| Truist Financial Corp | 14,605 | $2.88M | 0.00% | +5,824+66.3% | Added |
| Graham Capital Management, L.P. | 14,742 | $2.91M | 0.08% | +14,742 | New |
| Capital International Ltd | 15,128 | $2.98M | 0.10% | +15,128 | New |
| Polymer Capital Management (US) LLC | 15,144 | $2.98M | 0.44% | +11,189+282.9% | Added |
| Allstate Corp | 15,147 | $2.99M | 0.03% | +196+1.3% | Added |
| Little House Capital LLC | 15,355 | $3.03M | 0.68% | +908+6.3% | Added |
| Steel Peak Wealth Management LLC | 15,540 | $3.06M | 0.08% | +15,540 | New |
| Catalyst Funds Management Pty Ltd | 15,800 | $3.11M | 0.18% | +1,068+7.2% | Added |
| Emerald Advisers, LLC | 15,917 | $3.14M | 0.07% | −165,568−91.2% | Reduced |
| Bragg Financial Advisors, Inc | 15,985 | $3.15M | 0.08% | 00.0% | Unchanged |
| LMR Partners LLP | 15,998 | $3.15M | 0.02% | +15,998 | New |