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, Q4 2023
Institutional positions in Ati Inc as of Dec 31, 2023. 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
- 349
- +14 vs. Q3 2023
- Shares held
- 134.2M
- +1.20M (+0.9%) vs. Q3 2023
- Total value
- $6.10B
- +$624.5M (+11.4%) vs. Q3 2023
- New holders
- 52
- 113 more added
- Sold out
- 38
- 125 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tudor Investment Corp Et Al | 93,610 | $4.26M | 0.06% | +69,493+288.1% | Added |
| Man Group plc | 92,607 | $4.21M | 0.01% | – | – |
| Boothbay Fund Management, LLC | 89,747 | $4.08M | 0.15% | +21,595+31.7% | Added |
| Citigroup Inc | 87,891 | $4.00M | 0.01% | −95,720−52.1% | Reduced |
| Voya Investment Management LLC | 86,257 | $3.92M | 0.00% | +4,077+5.0% | Added |
| The PNC Financial Services Group, Inc. | 84,050 | $3.82M | 0.00% | +216+0.3% | Added |
| Royal Bank of Canada | 83,975 | $3.82M | 0.00% | +22,235+36.0% | Added |
| Illinois Municipal Retirement Fund | 83,432 | $3.79M | 0.06% | +9,037+12.1% | Added |
| Advisors Asset Management, Inc. | 81,176 | $3.69M | 0.08% | +9,496+13.2% | Added |
| Qube Research & Technologies Ltd | 80,592 | $3.66M | 0.01% | +80,592 | New |
| Jane Street Group, LLC | 79,976 | $3.64M | 0.00% | −12,545−13.6% | Reduced |
| State of Alaska, Department of Revenue | 78,486 | $3.57M | 0.04% | −1,573−2.0% | Reduced |
| Mengis Capital Management, Inc. | 77,752 | $3.54M | 0.66% | +6,150+8.6% | Added |
| Hennessy Advisors Inc | 77,200 | $3.51M | 0.18% | +77,200 | New |
| State of New Jersey Common Pension Fund D | 75,109 | $3.42M | 0.01% | 00.0% | Unchanged |
| Walleye Capital LLC | 73,848 | $3.36M | 0.05% | +73,848 | New |
| Verition Fund Management LLC | 70,647 | $3.21M | 0.03% | +70,647 | New |
| American International Group, Inc. | 70,147 | $3.19M | 0.01% | −635−0.9% | Reduced |
| MetLife Investment Management | 68,000 | $3.09M | 0.02% | 00.0% | Unchanged |
| Twinbeech Capital LP | 67,672 | $3.08M | 0.05% | +35,727+111.8% | Added |
| Covea Finance | 66,000 | $3.00M | 0.15% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 64,906 | $2.95M | 0.01% | +2,308+3.7% | Added |
| Manufacturers Life Insurance Company, The | 64,656 | $2.94M | 0.00% | −1,526−2.3% | Reduced |
| HSBC Holdings PLC | 64,015 | $2.94M | 0.00% | −63,404−49.8% | Reduced |
| Yousif Capital Management, LLC | 64,390 | $2.93M | 0.03% | +568+0.9% | Added |
| Louisiana State Employees Retirement System | 63,800 | $2.90M | 0.06% | −1,600−2.4% | Reduced |
| Advisory Research Inc | 62,179 | $2.83M | 0.44% | −41,203−39.9% | Reduced |
| Janus Henderson Group PLC | 60,806 | $2.76M | 0.00% | −104−0.2% | Reduced |
| Farmers & Merchants Investments Inc | 60,720 | $2.76M | 0.10% | −1,805−2.9% | Reduced |
| Alberta Investment Management Corp | 60,284 | $2.74M | 0.03% | +2,418+4.2% | Added |
| Register Financial Advisors LLC | 60,253 | $2.74M | 1.83% | −1,100−1.8% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 59,556 | $2.71M | 0.05% | +59,556 | New |
| Comerica Bank | 59,535 | $2.71M | 0.01% | −34,509−36.7% | Reduced |
| Susquehanna International Group, LLP | 59,124 | $2.69M | 0.00% | +18,564+45.8% | Added |
| Russell Investments Group, Ltd. | 56,563 | $2.57M | 0.00% | −58,315−50.8% | Reduced |
| Duality Advisers, LP | 56,413 | $2.57M | 0.27% | +29,511+109.7% | Added |
| Trexquant Investment LP | 55,638 | $2.53M | 0.06% | +55,638 | New |
| Amalgamated Bank | 54,961 | $2.50M | 0.02% | −2,463−4.3% | Reduced |
| Hancock Whitney Corp | 51,762 | $2.35M | 0.09% | −1,060−2.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 50,000 | $2.27M | 0.01% | +50,000 | New |
| Ensign Peak Advisors, Inc | 48,206 | $2.19M | 0.00% | +5,350+12.5% | Added |
| Insight Wealth Strategies, LLC | 46,905 | $2.13M | 0.34% | +9,569+25.6% | Added |
| CoreCommodity Management, LLC | 46,620 | $2.12M | 0.63% | +39,809+584.5% | Added |
| Maryland State Retirement & Pension System | 46,367 | $2.11M | 0.04% | −995−2.1% | Reduced |
| Bank of Montreal | 42,313 | $1.96M | 0.00% | −315−0.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 42,130 | $1.92M | 0.02% | 00.0% | Unchanged |
| LPL Financial LLC | 40,123 | $1.82M | 0.00% | +3,573+9.8% | Added |
| Natixis Advisors, L.P. | 38,510 | $1.75M | 0.00% | −8,137−17.4% | Reduced |
| Pier 88 Investment Partners LLC | 38,320 | $1.74M | 0.44% | −6,903−15.3% | Reduced |
| EFG Asset Management (North America) Corp. | 37,818 | $1.72M | 0.33% | +37,818 | New |
| Oregon Public Employees Retirement Fund | 37,361 | $1.70M | 0.03% | −863−2.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 37,346 | $1.70M | 0.00% | +37,346 | New |
| State Board of Administration of Florida Retirement System | 36,838 | $1.68M | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 35,946 | $1.63M | 0.01% | −655−1.8% | Reduced |
| Beck Capital Management, LLC | 34,617 | $1.57M | 0.54% | −673−1.9% | Reduced |
| Rational Advisors LLC | 33,300 | $1.51M | 0.15% | +18,900+131.3% | Added |
| HRT Financial LP | 33,216 | $1.51M | 0.01% | −10,327−23.7% | Reduced |
| ClariVest Asset Management LLC | 32,841 | $1.49M | 0.08% | +32,841 | New |
| Twin Tree Management, LP | 32,684 | $1.49M | 0.03% | +32,684 | New |
| Chartwell Investment Partners, LLC | 32,463 | $1.48M | 0.05% | −836−2.5% | Reduced |
| Campbell & CO Investment Adviser LLC | 31,553 | $1.43M | 0.13% | +31,553 | New |
| Waldron Private Wealth LLC | 29,894 | $1.36M | 0.06% | +20.0% | Added |
| Canada Pension Plan Investment Board | 29,300 | $1.33M | 0.00% | +29,300 | New |
| HighTower Advisors, LLC | 28,771 | $1.30M | 0.00% | +7,519+35.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,589 | $1.30M | 0.00% | +8,345+41.2% | Added |
| Raymond James & Associates | 27,585 | $1.25M | 0.00% | +529+2.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 27,530 | $1.25M | 0.01% | −58,436−68.0% | Reduced |
| Pathstone Holdings, LLC | 26,092 | $1.19M | 0.01% | +26,092 | New |
| Advisory Services Network, LLC | 25,885 | $1.18M | 0.03% | −267−1.0% | Reduced |
| Fruth Investment Management | 25,300 | $1.15M | 0.32% | −100−0.4% | Reduced |
| Walleye Trading LLC | 24,482 | $1.11M | 0.02% | +24,482 | New |
| Federation des caisses Desjardins du Quebec | 24,381 | $1.11M | 0.01% | +700+3.0% | Added |
| Ballentine Partners, LLC | 24,197 | $1.10M | 0.02% | +24,197 | New |
| ProShare Advisors LLC | 24,192 | $1.10M | 0.00% | +4,562+23.2% | Added |
| Glenmede Trust Co NA | 24,069 | $1.09M | 0.01% | +4,509+23.1% | Added |
| Huntington National Bank | 23,942 | $1.09M | 0.01% | +39+0.2% | Added |
| Jade Capital Advisors, LLC | 23,114 | $1.05M | 0.64% | +23,114 | New |
| ExodusPoint Capital Management, LP | 22,884 | $1.04M | 0.01% | +2,551+12.5% | Added |
| Freemont Management S.A. | 22,800 | $1.04M | 0.13% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 22,429 | $1.02M | 0.00% | +20+0.1% | Added |
| Everence Capital Management Inc | 21,650 | $984.0K | 0.07% | 00.0% | Unchanged |
| FourThought Financial Partners, LLC | 21,528 | $978.9K | 0.12% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 21,450 | $975.3K | 0.07% | +2,318+12.1% | Added |
| Nisa Investment Advisors, LLC | 21,422 | $974.1K | 0.01% | −1,300−5.7% | Reduced |
| Teacher Retirement System of Texas | 20,710 | $942.0K | 0.01% | −8,511−29.1% | Reduced |
| Captrust Financial Advisors | 20,444 | $929.6K | 0.00% | −9,240−31.1% | Reduced |
| US Bancorp | 19,748 | $897.9K | 0.00% | +1,831+10.2% | Added |
| Ethic Inc. | 19,667 | $894.3K | 0.03% | +9,931+102.0% | Added |
| Envestnet Asset Management Inc | 19,045 | $866.0K | 0.00% | +1,103+6.1% | Added |
| Wakefield Asset Management LLLP | 18,479 | $840.2K | 0.31% | −3,658−16.5% | Reduced |
| Paradigm Capital Management Inc | 18,000 | $818.5K | 0.04% | 00.0% | Unchanged |
| RMB Capital Management, LLC | 17,706 | $805.1K | 0.02% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 17,682 | $804.0K | 0.00% | +5,944+50.6% | Added |
| Stifel Financial Corp | 17,676 | $803.7K | 0.00% | −5,292−23.0% | Reduced |
| Edgestream Partners, L.P. | 17,574 | $799.1K | 0.06% | −16,480−48.4% | Reduced |
| Public Employees Retirement Association of Colorado | 17,374 | $790.0K | 0.00% | −205−1.2% | Reduced |
| AQR Capital Management LLC | 17,289 | $786.1K | 0.00% | −7,497−30.2% | Reduced |
| Janney Montgomery Scott LLC | 16,324 | $742.0K | 0.00% | −638−3.8% | Reduced |
| Omers Administration Corp | 16,300 | $741.2K | 0.01% | +16,300 | New |
| NVWM, LLC | 15,843 | $720.4K | 0.22% | −420−2.6% | Reduced |