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 |
|---|---|---|---|---|---|
| Freemont Management S.A. | 0 | $0 | 0.00% | −27,300−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −17,329−100.0% | Sold out |
| Donoghue Forlines LLC | 0 | $0 | 0.00% | −16,225−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −14,063−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −11,571−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −10,468−100.0% | Sold out |
| Dayah Capital LLC | 0 | $0 | 0.00% | −9,842−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −9,208−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −8,735−100.0% | Sold out |
| Friedenthal Financial | 0 | $0 | 0.00% | −6,741−100.0% | Sold out |
| Fairvoy Private Wealth, LLC | 0 | $0 | 0.00% | −6,043−100.0% | Sold out |
| West Michigan Advisors, LLC | 0 | $0 | 0.00% | −5,023−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −3,292−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −2,749−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −2,215−100.0% | Sold out |
| Kentucky Retirement Systems | 0 | $0 | 0.00% | −8,915−100.0% | Sold out |
| Carnegie Capital Asset Management, LLC | 0 | $0 | 0.00% | −2,136−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −2,102−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −1,768−100.0% | Sold out |
| Annex Advisory Services, LLC | 0 | $0 | 0.00% | −1,763−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Advisor OS, LLC | 0 | $0 | 0.00% | −1,595−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −1,546−100.0% | Sold out |
| Evolve Private Wealth, LLC | 0 | $0 | 0.00% | −1,481−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −1,427−100.0% | Sold out |
| HORAN Wealth, LLC | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −1,226−100.0% | Sold out |
| CFG Wealth Management Services, Inc. | 0 | $0 | 0.00% | −720−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −413−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −866−100.0% | Sold out |
| RWM Asset Management, LLC | 0 | $0 | 0.00% | −265−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −178−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| First Command Advisory Services, Inc. | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Chilton Capital Management LLC | 0 | $0 | 0.00% | −109−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −101−100.0% | Sold out |
| Wall Street Financial Group, Inc. | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| Longview Financial Advisors, Inc. | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| Legacy Wealth Managment, LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Annis Gardner Whiting Capital Advisors, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Clarity Asset Management, Inc. | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Vermillion Wealth Management, Inc. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Intentional Wealth Strategies, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Murphy & Mullick Capital Management Corp | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Curio Wealth, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| Journey Strategic Wealth LLC | – | – | – | – | Not filed |
| U.S. Capital Wealth Advisors, LLC | – | – | – | – | Not filed |
| USA Financial Portformulas Corp | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |