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 2024
Institutional positions in Ati Inc as of Dec 31, 2024. 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
- 403
- −9 vs. Q3 2024
- Shares held
- 136.4M
- +4.44M (+3.4%) vs. Q3 2024
- Total value
- $7.51B
- −$1.32B (−14.9%) vs. Q3 2024
- New holders
- 76
- 137 more added
- Sold out
- 85
- 132 more reduced
9 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 15,335,409 | $844.1M | 0.01% | +2,020,313+15.2% | Added |
| Capital International Investors | 15,901,561 | $875.2M | 0.16% | +817,182+5.4% | Added |
| BlackRock, Inc. | 17,838,283 | $981.8M | 0.02% | +1,977,587+12.5% | Added |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −816,690−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −499,859−100.0% | Sold out |
| Forest Avenue Capital Management LP | 0 | $0 | 0.00% | −428,929−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −424,909−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −410,598−100.0% | Sold out |
| Evergreen Quality Fund GP, Ltd. | 0 | $0 | 0.00% | −330,637−100.0% | Sold out |
| Mesirow Institutional Investment Management, Inc. | 0 | $0 | 0.00% | −257,424−100.0% | Sold out |
| LTS One Management LP | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −206,534−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −137,472−100.0% | Sold out |
| Appian Way Asset Management LP | 0 | $0 | 0.00% | −127,644−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −99,100−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −72,675−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −66,000−100.0% | Sold out |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −47,271−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −46,146−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −45,649−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −44,274−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −43,591−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −42,529−100.0% | Sold out |
| Insight Wealth Strategies, LLC | 0 | $0 | 0.00% | −39,977−100.0% | Sold out |
| Beck Capital Management, LLC | 0 | $0 | 0.00% | −34,404−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −30,984−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −26,900−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −23,230−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −21,939−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −21,347−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −21,088−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −20,596−100.0% | Sold out |
| Thames Capital Management LLC | 0 | $0 | 0.00% | −19,170−100.0% | Sold out |
| L & S Advisors Inc | 0 | $0 | 0.00% | −19,112−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −18,943−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −14,543−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −14,480−100.0% | Sold out |
| Williamson Legacy Group, LLC | 0 | $0 | 0.00% | −14,395−100.0% | Sold out |
| Options Solutions, LLC | 0 | $0 | 0.00% | −14,200−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −13,955−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −12,675−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −11,681−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −10,951−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −9,034−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −8,253−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −8,200−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −7,763−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −7,605−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −7,506−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −7,336−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −7,052−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −6,816−100.0% | Sold out |
| Veriti Management LLC | 0 | $0 | 0.00% | −6,498−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −5,352−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −5,192−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −5,136−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −4,983−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −3,899−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −3,890−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −3,712−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −3,696−100.0% | Sold out |
| Sage Rhino Capital LLC | 0 | $0 | 0.00% | −3,612−100.0% | Sold out |
| Blair William & Co | 0 | $0 | 0.00% | −3,587−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −3,565−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −3,524−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −3,306−100.0% | Sold out |
| Trust Investment Advisors | 0 | $0 | 0.00% | −3,250−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −3,249−100.0% | Sold out |
| Accel Wealth Management | 0 | $0 | 0.00% | −2,995−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −1,101−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −863−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −588−100.0% | Sold out |
| Smithfield Trust Co | 0 | $0 | 0.00% | −334−100.0% | Sold out |
| Millburn Ridgefield Corp | 0 | $0 | 0.00% | −337−100.0% | Sold out |
| Contravisory Investment Management, Inc. | 0 | $0 | 0.00% | −306−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −256−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −259−100.0% | Sold out |
| TSFG, LLC | 0 | $0 | 0.00% | −93−100.0% | Sold out |
| Gilliland Jeter Wealth Management LLC | 0 | $0 | 0.00% | −89−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −73−100.0% | Sold out |
| Jaffetilchin Investment Partners, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Mendota Financial Group, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Claris Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Scout Investments, Inc. | – | – | – | – | Not filed |
| Eagle Asset Management Inc | – | – | – | – | Not filed |
| Raymond James & Associates | – | – | – | – | Not filed |
| Raymond James Financial Services Advisors, Inc. | – | – | – | – | Not filed |
| ClariVest Asset Management LLC | – | – | – | – | Not filed |
| Jade Capital Advisors, LLC | – | – | – | – | Not filed |
| SpiderRock Advisors, LLC | – | – | – | – | Not filed |
| Chartwell Investment Partners, LLC | – | – | – | – | Not filed |
| VitalStone Financial, LLC | – | – | – | – | Not filed |