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 |
|---|---|---|---|---|---|
| Danske Bank A/S | 300 | $43.6K | 0.00% | −1,200−80.0% | Reduced |
| Macquarie Group Ltd | 303 | $44.1K | 0.00% | +303 | New |
| Aster Capital Management (DIFC) Ltd | 866 | $45.1K | 0.01% | −1,199−58.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 369 | $53.7K | 0.00% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 390 | $56.7K | 0.00% | −330−45.8% | Reduced |
| Massmutual Trust Co FSB | 400 | $58.2K | 0.00% | −18−4.3% | Reduced |
| Clear Street Markets LLC | 413 | $60.1K | 0.03% | +413 | New |
| Prestige Wealth Management Group LLC | 420 | $61.1K | 0.01% | 00.0% | Unchanged |
| Hollencrest Capital Management | 452 | $65.7K | 0.00% | +334+283.1% | Added |
| WPG Advisers, LLC | 467 | $67.9K | 0.05% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 475 | $69.1K | 0.01% | +208+77.9% | Added |
| TCG Advisory Services, LLC | 483 | $70.3K | 0.00% | +483 | New |
| Keating Financial Advisory Services, Inc. | 504 | $73.3K | 0.01% | +109+27.6% | Added |
| Signaturefd, LLC | 525 | $76.4K | 0.00% | +84+19.0% | Added |
| Cedar Mountain Advisors, LLC | 535 | $77.8K | 0.02% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 550 | $80.0K | 0.00% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 553 | $80.4K | 0.00% | +553 | New |
| Smartleaf Asset Management LLC | 626 | $84.8K | 0.00% | −657−51.2% | Reduced |
| Acadian Asset Management LLC | 605 | $88.0K | 0.00% | +605 | New |
| Wolff Wiese Magana LLC | 630 | $91.6K | 0.05% | +600+2,000.0% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 679 | $98.8K | 0.00% | −210−23.6% | Reduced |
| CFG Wealth Management Services, Inc. | 720 | $104.7K | 0.10% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 755 | $109.8K | 0.05% | +750+15,000.0% | Added |
| Vanguard National Trust Co | 823 | $119.7K | 0.01% | +823 | New |
| Activest Wealth Management | 835 | $121.5K | 0.02% | +1+0.1% | Added |
| Quarry LP | 840 | $122.2K | 0.02% | +840 | New |
| Hilltop National Bank | 842 | $122.5K | 0.03% | +842 | New |
| Root Financial Partners, LLC | 862 | $125.4K | 0.01% | +604+234.1% | Added |
| SBI Securities Co., Ltd. | 871 | $126.7K | 0.00% | +815+1,455.4% | Added |
| MAI Capital Management | 938 | $136.5K | 0.00% | +306+48.4% | Added |
| IFP Advisors, Inc | 992 | $144.3K | 0.00% | +350+54.5% | Added |
| USA Financial Portformulas Corp | 992 | $144.3K | 0.03% | +992 | New |
| Capital Analysts, LLC | 1,013 | $147.0K | 0.00% | 00.0% | Unchanged |
| Barnes Dennig Private Wealth Management LLC | 1,078 | $156.8K | 0.16% | +1,078 | New |
| Essential Partners LLC | 1,104 | $160.6K | 0.05% | +10+0.9% | Added |
| Bayforest Capital Ltd | 1,127 | $163.9K | 0.18% | −1,488−56.9% | Reduced |
| Strategic Investment Advisors | 1,214 | $176.6K | 0.01% | +1,214 | New |
| Optiver Holding B.V. | 1,226 | $178.3K | 0.01% | +1,226 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,271 | $184.9K | 0.02% | −245−16.2% | Reduced |
| AdvisorNet Financial, Inc | 1,299 | $189.0K | 0.01% | +1,295+32,375.0% | Added |
| Employees Retirement System of Texas | 1,330 | $193.0K | 0.00% | +1,330 | New |
| JFS Wealth Advisors, LLC | 1,378 | $200.4K | 0.01% | +7+0.5% | Added |
| HORAN Wealth, LLC | 1,400 | $203.6K | 0.02% | +1,400 | New |
| Diversified Trust Co | 1,410 | $205.1K | 0.00% | +1,410 | New |
| Fiduciary Trust Co | 1,414 | $205.7K | 0.00% | +1,414 | New |
| Prelude Capital Management, LLC | 1,427 | $207.6K | 0.02% | +1,427 | New |
| Ponta Wealth Partners, LLC | 1,427 | $207.6K | 0.17% | +1,427 | New |
| Sentinus, LLC | 1,433 | $208.4K | 0.02% | +1,433 | New |
| Cape Investment Advisory, Inc. | 1,438 | $209.2K | 0.07% | 00.0% | Unchanged |
| Insight Wealth Strategies, LLC | 1,454 | $211.5K | 0.02% | +1,454 | New |
| Networth Advisors, LLC | 1,464 | $213.0K | 0.15% | +333+29.4% | Added |
| Wilkerson Advisory Group LLC | 1,474 | $214.4K | 0.07% | +1,474 | New |
| Evolve Private Wealth, LLC | 1,481 | $215.4K | 0.01% | +1,481 | New |
| Fidelis Capital Partners, LLC | 1,481 | $215.4K | 0.02% | +1,481 | New |
| Michael S. Ryan, Inc. | 1,488 | $216.4K | 0.13% | +1,488 | New |
| Archer Investment Corp | 1,510 | $219.6K | 0.05% | +1,510 | New |
| Retirement Guys Formula LLC | 1,523 | $221.5K | 0.10% | +1,523 | New |
| Parcion Private Wealth LLC | 1,526 | $222.0K | 0.01% | +1,526 | New |
| F/M Investments LLC | 1,542 | $224.3K | 0.01% | −3,109−66.8% | Reduced |
| Inceptionr LLC | 1,546 | $224.9K | 0.05% | −1,070−40.9% | Reduced |
| Insigneo Advisory Services, LLC | 1,562 | $227.2K | 0.02% | +1,562 | New |
| Advisor OS, LLC | 1,595 | $232.0K | 0.02% | −165−9.4% | Reduced |
| DV Trading LLC | 1,600 | $232.7K | 0.02% | +800+100.0% | Added |
| Fieldview Capital Management, LLC | 1,611 | $234.3K | 0.07% | +1,611 | New |
| Capital Asset Advisory Services LLC | 1,475 | $242.0K | 0.01% | +1,475 | New |
| Twinbeech Capital LP | 1,671 | $243.1K | 0.03% | +1,671 | New |
| Avantax Planning Partners, Inc. | 1,678 | $244.1K | 0.01% | +1,678 | New |
| Ausdal Financial Partners, Inc. | 1,680 | $244.4K | 0.01% | +1,680 | New |
| Mainstream Capital Management LLC | 1,700 | $247.3K | 0.17% | +1,700 | New |
| Versant Capital Management, Inc | 1,712 | $249.0K | 0.02% | −46−2.6% | Reduced |
| SmartHarvest Portfolios, LLC | 1,712 | $249.0K | 0.10% | +1,712 | New |
| Parallel Advisors, LLC | 1,713 | $249.2K | 0.00% | +174+11.3% | Added |
| Rothschild Investment LLC | 1,717 | $249.8K | 0.01% | +230+15.5% | Added |
| TD Private Client Wealth LLC | 1,717 | $249.8K | 0.01% | +286+20.0% | Added |
| Beese Fulmer Investment Management, Inc. | 1,717 | $249.8K | 0.02% | +1,717 | New |
| Operose Advisors LLC | 1,751 | $254.7K | 0.06% | −1,043−37.3% | Reduced |
| Pilgrim Partners Asia Pte Ltd | 1,760 | $256.0K | 0.11% | +300+20.5% | Added |
| Annex Advisory Services, LLC | 1,763 | $256.4K | 0.00% | +1,763 | New |
| FORA Capital, LLC | 1,768 | $257.2K | 0.02% | +1,768 | New |
| United Capital Financial Advisers, LLC | 1,789 | $260.2K | 0.00% | +1,789 | New |
| Waddell & Associates, LLC | 1,832 | $266.5K | 0.02% | +31+1.7% | Added |
| Successful Portfolios LLC | 2,000 | $271.0K | 0.15% | 00.0% | Unchanged |
| Souders Financial Advisors | 1,885 | $274.2K | 0.03% | −528−21.9% | Reduced |
| OpenArc Corporate Advisory, LLC | 1,898 | $276.1K | 0.00% | +1,898 | New |
| Machina Capital S.A.S. | 1,900 | $276.4K | 0.05% | +1,900 | New |
| Citizens Financial Group Inc | 1,911 | $278.0K | 0.00% | +1,911 | New |
| Optas, LLC | 1,928 | $280.4K | 0.04% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 1,940 | $282.2K | 0.00% | +1,940 | New |
| Coyle Financial Counsel LLC | 1,975 | $287.3K | 0.06% | +33+1.7% | Added |
| Revisor Wealth Management LLC | 1,988 | $289.2K | 0.08% | −60−2.9% | Reduced |
| Umb Bank N A | 1,992 | $289.8K | 0.00% | +18+0.9% | Added |
| VestGen Advisors, LLC | 1,805 | $290.6K | 0.01% | +1,805 | New |
| Kiley Juergens Wealth Management, LLC | 1,998 | $290.6K | 0.05% | +1,998 | New |
| Northland Securities, Inc. | 2,000 | $290.9K | 0.28% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 2,033 | $296.9K | 0.01% | +1,535+308.2% | Added |
| Perigon Wealth Management, LLC | 2,059 | $299.5K | 0.01% | −231−10.1% | Reduced |
| Howard Wealth Management, LLC | 2,081 | $302.7K | 0.13% | 00.0% | Unchanged |
| Wedmont Private Capital | 1,941 | $303.6K | 0.01% | +64+3.4% | Added |
| J.W. Cole Advisors, Inc. | 2,091 | $304.2K | 0.01% | 00.0% | Unchanged |
| Laird Norton Trust Company, LLC | 2,094 | $304.6K | 0.01% | +108+5.4% | Added |