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 |
|---|---|---|---|---|---|
| Annex Advisory Services, LLC | 1,763 | $256.4K | 0.00% | +1,763 | New |
| Pilgrim Partners Asia Pte Ltd | 1,760 | $256.0K | 0.11% | +300+20.5% | Added |
| Operose Advisors LLC | 1,751 | $254.7K | 0.06% | −1,043−37.3% | Reduced |
| 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 |
| Parallel Advisors, LLC | 1,713 | $249.2K | 0.00% | +174+11.3% | Added |
| 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 |
| Mainstream Capital Management LLC | 1,700 | $247.3K | 0.17% | +1,700 | New |
| Ausdal Financial Partners, Inc. | 1,680 | $244.4K | 0.01% | +1,680 | New |
| Avantax Planning Partners, Inc. | 1,678 | $244.1K | 0.01% | +1,678 | New |
| Twinbeech Capital LP | 1,671 | $243.1K | 0.03% | +1,671 | New |
| Capital Asset Advisory Services LLC | 1,475 | $242.0K | 0.01% | +1,475 | New |
| Fieldview Capital Management, LLC | 1,611 | $234.3K | 0.07% | +1,611 | New |
| DV Trading LLC | 1,600 | $232.7K | 0.02% | +800+100.0% | Added |
| Advisor OS, LLC | 1,595 | $232.0K | 0.02% | −165−9.4% | Reduced |
| Insigneo Advisory Services, LLC | 1,562 | $227.2K | 0.02% | +1,562 | New |
| Inceptionr LLC | 1,546 | $224.9K | 0.05% | −1,070−40.9% | Reduced |
| F/M Investments LLC | 1,542 | $224.3K | 0.01% | −3,109−66.8% | Reduced |
| Parcion Private Wealth LLC | 1,526 | $222.0K | 0.01% | +1,526 | New |
| Retirement Guys Formula LLC | 1,523 | $221.5K | 0.10% | +1,523 | New |
| Archer Investment Corp | 1,510 | $219.6K | 0.05% | +1,510 | New |
| Michael S. Ryan, Inc. | 1,488 | $216.4K | 0.13% | +1,488 | New |
| Fidelis Capital Partners, LLC | 1,481 | $215.4K | 0.02% | +1,481 | New |
| Evolve Private Wealth, LLC | 1,481 | $215.4K | 0.01% | +1,481 | New |
| Wilkerson Advisory Group LLC | 1,474 | $214.4K | 0.07% | +1,474 | New |
| Networth Advisors, LLC | 1,464 | $213.0K | 0.15% | +333+29.4% | Added |
| Insight Wealth Strategies, LLC | 1,454 | $211.5K | 0.02% | +1,454 | New |
| Cape Investment Advisory, Inc. | 1,438 | $209.2K | 0.07% | 00.0% | Unchanged |
| Sentinus, LLC | 1,433 | $208.4K | 0.02% | +1,433 | 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 |
| Fiduciary Trust Co | 1,414 | $205.7K | 0.00% | +1,414 | New |
| Diversified Trust Co | 1,410 | $205.1K | 0.00% | +1,410 | New |
| HORAN Wealth, LLC | 1,400 | $203.6K | 0.02% | +1,400 | New |
| JFS Wealth Advisors, LLC | 1,378 | $200.4K | 0.01% | +7+0.5% | Added |
| Employees Retirement System of Texas | 1,330 | $193.0K | 0.00% | +1,330 | New |
| AdvisorNet Financial, Inc | 1,299 | $189.0K | 0.01% | +1,295+32,375.0% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,271 | $184.9K | 0.02% | −245−16.2% | Reduced |
| Optiver Holding B.V. | 1,226 | $178.3K | 0.01% | +1,226 | New |
| Strategic Investment Advisors | 1,214 | $176.6K | 0.01% | +1,214 | New |
| Bayforest Capital Ltd | 1,127 | $163.9K | 0.18% | −1,488−56.9% | Reduced |
| Essential Partners LLC | 1,104 | $160.6K | 0.05% | +10+0.9% | Added |
| Barnes Dennig Private Wealth Management LLC | 1,078 | $156.8K | 0.16% | +1,078 | New |
| Capital Analysts, LLC | 1,013 | $147.0K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 992 | $144.3K | 0.00% | +350+54.5% | Added |
| USA Financial Portformulas Corp | 992 | $144.3K | 0.03% | +992 | New |
| MAI Capital Management | 938 | $136.5K | 0.00% | +306+48.4% | Added |
| SBI Securities Co., Ltd. | 871 | $126.7K | 0.00% | +815+1,455.4% | Added |
| Root Financial Partners, LLC | 862 | $125.4K | 0.01% | +604+234.1% | Added |
| Hilltop National Bank | 842 | $122.5K | 0.03% | +842 | New |
| Quarry LP | 840 | $122.2K | 0.02% | +840 | New |
| Activest Wealth Management | 835 | $121.5K | 0.02% | +1+0.1% | Added |
| Vanguard National Trust Co | 823 | $119.7K | 0.01% | +823 | New |
| Rakuten Securities, Inc. | 755 | $109.8K | 0.05% | +750+15,000.0% | Added |
| CFG Wealth Management Services, Inc. | 720 | $104.7K | 0.10% | 00.0% | Unchanged |
| ARK Investment Management LLCSuperinvestorARK Invest | 679 | $98.8K | 0.00% | −210−23.6% | Reduced |
| Wolff Wiese Magana LLC | 630 | $91.6K | 0.05% | +600+2,000.0% | Added |
| Acadian Asset Management LLC | 605 | $88.0K | 0.00% | +605 | New |
| Smartleaf Asset Management LLC | 626 | $84.8K | 0.00% | −657−51.2% | Reduced |
| Cullen/Frost Bankers, Inc. | 553 | $80.4K | 0.00% | +553 | New |
| Johnson Financial Group, Inc. | 550 | $80.0K | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 535 | $77.8K | 0.02% | 00.0% | Unchanged |
| Signaturefd, LLC | 525 | $76.4K | 0.00% | +84+19.0% | Added |
| Keating Financial Advisory Services, Inc. | 504 | $73.3K | 0.01% | +109+27.6% | Added |
| TCG Advisory Services, LLC | 483 | $70.3K | 0.00% | +483 | New |
| Parkside Financial Bank & Trust | 475 | $69.1K | 0.01% | +208+77.9% | Added |
| WPG Advisers, LLC | 467 | $67.9K | 0.05% | 00.0% | Unchanged |
| Hollencrest Capital Management | 452 | $65.7K | 0.00% | +334+283.1% | Added |
| Prestige Wealth Management Group LLC | 420 | $61.1K | 0.01% | 00.0% | Unchanged |
| Clear Street Markets LLC | 413 | $60.1K | 0.03% | +413 | New |
| Massmutual Trust Co FSB | 400 | $58.2K | 0.00% | −18−4.3% | Reduced |
| Nomura Asset Management Co Ltd | 390 | $56.7K | 0.00% | −330−45.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 369 | $53.7K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 866 | $45.1K | 0.01% | −1,199−58.1% | Reduced |
| Macquarie Group Ltd | 303 | $44.1K | 0.00% | +303 | New |
| Danske Bank A/S | 300 | $43.6K | 0.00% | −1,200−80.0% | Reduced |
| EFG International AG | 299 | $43.5K | 0.00% | +299 | New |
| Golden State Wealth Management, LLC | 292 | $42.5K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 278 | $40.4K | 0.01% | 00.0% | Unchanged |
| RWM Asset Management, LLC | 265 | $38.5K | 0.00% | +265 | New |
| True Wealth Design, LLC | 262 | $38.1K | 0.01% | +2+0.8% | Added |
| Triumph Capital Management | 259 | $37.7K | 0.01% | +259 | New |
| Mather Group, LLC. | 200 | $29.1K | 0.00% | +200 | New |
| SJS Investment Consulting Inc. | 197 | $28.7K | 0.00% | +25+14.5% | Added |
| Colonial Trust Co | 187 | $27.2K | 0.00% | +187 | New |
| Signature Equity Partners, LLC | 182 | $26.5K | 0.01% | +123+208.5% | Added |
| Ancora Advisors, LLC | 178 | $25.9K | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 175 | $25.5K | 0.00% | +42+31.6% | Added |
| CVA Family Office, LLC | 175 | $25.5K | 0.00% | +175 | New |
| Contravisory Investment Management, Inc. | 162 | $23.6K | 0.00% | −23−12.4% | Reduced |
| Private Trust Co NA | 160 | $23.3K | 0.00% | +160 | New |
| GHP Investment Advisors, Inc. | 155 | $22.5K | 0.00% | +4+2.6% | Added |
| Kemnay Advisory Services Inc. | 155 | $22.5K | 0.00% | −965−86.2% | Reduced |
| Assetmark, Inc | 152 | $22.1K | 0.00% | −333−68.7% | Reduced |
| Zions Bancorporation, National Association | 149 | $21.7K | 0.00% | +37+33.0% | Added |
| McGuire Capital Advisors Inc | 136 | $19.8K | 0.01% | 00.0% | Unchanged |
| Global X Japan Co., Ltd. | 133 | $19.3K | 0.00% | −3−2.2% | Reduced |
| Ronald Blue Trust, Inc. | 132 | $19.2K | 0.00% | +9+7.3% | Added |