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 |
|---|---|---|---|---|---|
| Commerce Bank | 2,101 | $305.6K | 0.00% | +25+1.2% | Added |
| Sig Brokerage, LP | 2,102 | $305.8K | 0.09% | +2,102 | New |
| Bessemer Group Inc | 2,106 | $306.0K | 0.00% | +197+10.3% | Added |
| Carnegie Capital Asset Management, LLC | 2,136 | $310.7K | 0.01% | −3,300−60.7% | Reduced |
| Chicago Partners Investment Group LLC | 2,034 | $311.8K | 0.01% | +2,034 | New |
| Quantitative Investment Management, LLC | 2,159 | $314.0K | 0.03% | −3,572−62.3% | Reduced |
| Kentucky Retirement Systems | 8,915 | $318.0K | 0.02% | +8,915 | New |
| Vise Technologies, Inc. | 2,772 | $318.1K | 0.01% | 00.0% | Unchanged |
| Leavell Investment Management, Inc. | 2,200 | $320.0K | 0.01% | 00.0% | Unchanged |
| Scientech Research LLC | 2,215 | $322.2K | 0.27% | +2,215 | New |
| TCW Group Inc | 2,220 | $322.9K | 0.00% | +2,220 | New |
| American Trust | 2,238 | $325.5K | 0.03% | −1,578−41.4% | Reduced |
| Stephens Inc | 2,267 | $329.8K | 0.00% | +2,267 | New |
| Boothbay Fund Management, LLC | 2,285 | $332.4K | 0.01% | −31,444−93.2% | Reduced |
| Abel Hall, LLC | 2,323 | $337.9K | 0.07% | +58+2.6% | Added |
| Truvestments Capital LLC | 2,342 | $340.7K | 0.06% | +2,342 | New |
| AE Wealth Management LLC | 2,349 | $341.7K | 0.00% | +2,349 | New |
| Bridgefront Capital, LLC | 2,359 | $343.1K | 0.09% | +2,359 | New |
| Atomi Financial Group, Inc. | 2,378 | $345.9K | 0.01% | +320+15.5% | Added |
| Syon Capital LLC | 2,382 | $346.5K | 0.02% | −64−2.6% | Reduced |
| Private Advisor Group, LLC | 2,422 | $352.3K | 0.00% | +2,422 | New |
| Allworth Financial LP | 2,455 | $357.1K | 0.00% | +818+50.0% | Added |
| NorthCrest Asset Manangement, LLC | 2,440 | $357.8K | 0.01% | −800−24.7% | Reduced |
| Chilton Investment Co LLC | 2,469 | $359.1K | 0.01% | +2,469 | New |
| Caerus Investment Advisors, LLC | 2,470 | $359.3K | 0.15% | +10.0% | Added |
| Juncture Wealth Strategies, LLC | 2,487 | $361.8K | 0.12% | 00.0% | Unchanged |
| DDFG, Inc | 2,498 | $363.4K | 0.08% | 00.0% | Unchanged |
| Associated Banc-Corp | 2,500 | $363.6K | 0.01% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 2,500 | $363.6K | 0.04% | 00.0% | Unchanged |
| Old National Bancorp | 2,516 | $366.0K | 0.01% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,545 | $370.2K | 0.00% | −2,436−48.9% | Reduced |
| Savant Capital, LLC | 2,552 | $371.2K | 0.00% | +103+4.2% | Added |
| Exchange Traded Concepts, LLC | 2,569 | $373.7K | 0.00% | −727−22.1% | Reduced |
| Johnson Investment Counsel Inc | 2,574 | $374.4K | 0.00% | −50−1.9% | Reduced |
| Davenport & Co LLC | 2,590 | $376.7K | 0.00% | +2,590 | New |
| Shay Capital LLC | 2,600 | $378.2K | 0.05% | +600+30.0% | Added |
| Cordatus Wealth Management LLC | 2,636 | $383.4K | 0.09% | +2,636 | New |
| Bull Harbor Capital LLC | 2,686 | $390.7K | 0.10% | +2,686 | New |
| Picton Mahoney Asset Management | 2,711 | $394.3K | 0.00% | −639−19.1% | Reduced |
| Cynosure Management, LLC | 2,749 | $399.9K | 0.05% | +2,749 | New |
| Accel Wealth Management | 2,749 | $399.9K | 0.10% | −299−9.8% | Reduced |
| Meeder Asset Management Inc | 2,754 | $400.6K | 0.02% | +74+2.8% | Added |
| DRW Securities, LLC | 2,816 | $409.6K | 0.02% | +2,816 | New |
| Kestra Advisory Services, LLC | 2,822 | $410.5K | 0.00% | +630+28.7% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 2,913 | $411.6K | 0.00% | −680−18.9% | Reduced |
| NewEdge Wealth, LLC | 2,857 | $415.6K | 0.00% | +834+41.2% | Added |
| Oarsman Capital, Inc. | 2,870 | $417.5K | 0.05% | −500−14.8% | Reduced |
| State of Wyoming | 2,882 | $419.2K | 0.05% | −2,336−44.8% | Reduced |
| Keystone Financial Group | 2,890 | $420.4K | 0.03% | +15+0.5% | Added |
| Emerald Investment Advisers, LLC | 2,931 | $426.3K | 0.04% | +2,931 | New |
| Trust Co of Oklahoma | 3,011 | $438.0K | 0.13% | +3,011 | New |
| Michael B. Yongue | 3,070 | $446.6K | 0.33% | −4,353−58.6% | Reduced |
| Vontobel Holding Ltd. | 3,096 | $450.3K | 0.00% | −183−5.6% | Reduced |
| U.S. Capital Wealth Advisors, LLC | 3,119 | $453.7K | 0.01% | +325+11.6% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 3,129 | $455.1K | 0.02% | +11+0.4% | Added |
| Gsa Capital Partners LLP | 3,147 | $458.0K | 0.03% | +3,147 | New |
| STRS Ohio | 3,222 | $468.7K | 0.00% | −5−0.2% | Reduced |
| Gateway Investment Advisers LLC | 3,278 | $476.8K | 0.01% | +3,278 | New |
| Headlands Technologies LLC | 3,287 | $478.1K | 0.05% | +3,287 | New |
| Prospera Financial Services Inc | 3,288 | $478.2K | 0.01% | +3,288 | New |
| Aristeia Capital LLC | 3,292 | $478.9K | 0.01% | −3,237−49.6% | Reduced |
| CAPROCK Group, Inc. | 3,352 | $487.6K | 0.01% | +227+7.3% | Added |
| Dark Forest Capital Management LP | 3,378 | $491.4K | 0.04% | −6,164−64.6% | Reduced |
| Profund Advisors LLC | 3,397 | $494.1K | 0.02% | +365+12.0% | Added |
| Gateway Wealth Partners, LLC | 3,439 | $500.2K | 0.02% | +3,439 | New |
| Sivia Capital Partners, LLC | 3,517 | $511.6K | 0.10% | +1,426+68.2% | Added |
| Jump Financial, LLC | 3,519 | $511.9K | 0.01% | −6,585−65.2% | Reduced |
| Eurizon Capital SGR S.p.A. | 3,683 | $514.9K | 0.00% | −1,084−22.7% | Reduced |
| Ballentine Partners, LLC | 3,607 | $524.7K | 0.01% | +74+2.1% | Added |
| Apollon Wealth Management, LLC | 3,635 | $528.7K | 0.01% | +500+15.9% | Added |
| Beacon Pointe Advisors, LLC | 3,652 | $531.2K | 0.00% | +3,652 | New |
| Callan Family Office, LLC | 3,753 | $545.9K | 0.01% | −802−17.6% | Reduced |
| EverSource Wealth Advisors, LLC | 3,756 | $546.3K | 0.02% | −111−2.9% | Reduced |
| Krilogy Financial LLC | 3,510 | $547.0K | 0.02% | +38+1.1% | Added |
| Pensionmark Financial Group, LLC | 3,783 | $550.3K | 0.01% | +1,407+59.2% | Added |
| Chesapeake Capital Corp | 3,794 | $551.9K | 0.40% | 00.0% | Unchanged |
| GAMMA Investing LLC | 3,898 | $567.0K | 0.03% | +521+15.4% | Added |
| RSM US Wealth Management LLC | 3,910 | $568.7K | 0.01% | −386−9.0% | Reduced |
| North Dakota State Investment Board | 3,938 | $572.8K | 0.02% | −979−19.9% | Reduced |
| Farther Finance Advisors, LLC | 3,802 | $575.1K | 0.01% | +480+14.4% | Added |
| Polymer Capital Management (US) LLC | 3,955 | $575.3K | 0.09% | −5,482−58.1% | Reduced |
| GWM Advisors LLC | 3,969 | $577.3K | 0.00% | +3,869+3,869.0% | Added |
| ESL Trust Services, LLC | 4,000 | $581.8K | 0.11% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,062 | $590.9K | 0.02% | −3,918−49.1% | Reduced |
| HB Wealth Management, LLC | 4,118 | $599.0K | 0.00% | +896+27.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,130 | $600.8K | 0.00% | −1,016−19.7% | Reduced |
| Hunter Associates Investment Management LLC | 4,150 | $603.0K | 0.08% | 00.0% | Unchanged |
| Alphadyne Asset Management LP | 4,176 | $607.4K | 0.08% | +4,176 | New |
| CIBC Asset Management Inc | 4,248 | $617.9K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 4,262 | $620.0K | 0.01% | +389+10.0% | Added |
| KBC Group NV | 4,340 | $631.0K | 0.00% | 00.0% | Unchanged |
| Sheets Smith Wealth Management | 4,349 | $632.6K | 0.07% | +28+0.6% | Added |
| Caitong International Asset Management Co., Ltd | 4,384 | $637.7K | 0.12% | +4,384 | New |
| Two Sigma Securities, LLC | 4,474 | $650.8K | 0.08% | +4,474 | New |
| Shelton Capital Management | 4,484 | $652.2K | 0.01% | 00.0% | Unchanged |
| Vident Advisory, LLC | 4,505 | $655.3K | 0.01% | +1,560+53.0% | Added |
| Sterling Capital Management LLC | 4,541 | $660.5K | 0.01% | −3,445−43.1% | Reduced |
| PFG Advisors | 4,724 | $687.2K | 0.03% | +4,724 | New |
| Y.D. More Investments Ltd | 4,725 | $687.3K | 0.03% | +4,725 | New |
| US Bancorp | 4,733 | $688.5K | 0.00% | +404+9.3% | Added |