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 |
|---|---|---|---|---|---|
| Gamco Investors, Inc. Et Al | 433,142 | $19.7M | 0.21% | 00.0% | Unchanged |
| Cartenna Capital, LP | 435,000 | $19.8M | 2.07% | +170,000+64.2% | Added |
| Two Sigma Investments, LP | 441,309 | $20.1M | 0.05% | +398,342+927.1% | Added |
| Deutsche Bank AG | 445,461 | $20.3M | 0.01% | +311,263+231.9% | Added |
| Anomaly Capital Management, LP | 473,498 | $21.5M | 0.93% | −681,778−59.0% | Reduced |
| Emerald Mutual Fund Advisers Trust | 487,440 | $22.2M | 1.17% | +93,560+23.8% | Added |
| Putnam Investments LLC | 508,300 | $23.1M | 0.03% | +191,898+60.7% | Added |
| American Century Companies Inc | 552,574 | $25.1M | 0.02% | +37,772+7.3% | Added |
| Emerald Advisers, LLC | 557,389 | $25.3M | 1.08% | −1,116−0.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 558,597 | $25.4M | 0.21% | −231,892−29.3% | Reduced |
| KLCM Advisors, Inc. | 639,632 | $29.1M | 4.49% | +23,981+3.9% | Added |
| Principal Financial Group Inc | 663,754 | $30.2M | 0.02% | −23,747−3.5% | Reduced |
| Nuveen Asset Management, LLC | 740,475 | $33.7M | 0.01% | +289,918+64.3% | Added |
| Fisher Asset Management, LLC | 802,671 | $36.5M | 0.02% | −148,252−15.6% | Reduced |
| Balyasny Asset Management LLC | 939,089 | $42.7M | 0.12% | −101,395−9.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 946,566 | $43.0M | 0.09% | −27,962−2.9% | Reduced |
| Capital International Inc | 1,007,979 | $45.8M | 0.71% | −52,049−4.9% | Reduced |
| Neuberger Berman Group LLC | 1,008,477 | $45.9M | 0.04% | +30,192+3.1% | Added |
| Macquarie Group Ltd | 1,019,796 | $46.4M | 0.05% | −19,063−1.8% | Reduced |
| Bank of New York Mellon Corp | 1,091,259 | $49.6M | 0.01% | −30,196−2.7% | Reduced |
| Victory Capital Management Inc | 1,109,192 | $50.4M | 0.05% | +135,820+14.0% | Added |
| Woodline Partners LP | 1,166,505 | $53.0M | 0.58% | +953,628+448.0% | Added |
| Norges Bank | 1,228,400 | $55.9M | 0.01% | −69,016−5.3% | Reduced |
| D. E. Shaw & Co., Inc. | 1,233,357 | $56.1M | 0.08% | +1,020+0.1% | Added |
| Federated Hermes, Inc. | 1,258,969 | $57.2M | 0.14% | +40,419+3.3% | Added |
| Goldman Sachs Group Inc | 1,306,784 | $59.4M | 0.01% | +315,506+31.8% | Added |
| Price T Rowe Associates Inc | 1,316,526 | $59.9M | 0.01% | +59,486+4.7% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 1,363,667 | $62.0M | 0.22% | −666,674−32.8% | Reduced |
| Bowen Hanes & Co Inc | 1,400,150 | $63.7M | 1.92% | +33,765+2.5% | Added |
| Northern Trust Corp | 1,427,644 | $64.9M | 0.01% | −13,905−1.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,535,359 | $69.8M | 0.12% | −125,516−7.6% | Reduced |
| Channing Capital Management, LLC | 1,537,146 | $69.9M | 2.06% | −207,158−11.9% | Reduced |
| Point72 Asset Management, L.P. | 1,539,536 | $70.0M | 0.21% | +1,436,436+1,393.2% | Added |
| Driehaus Capital Management LLC | 1,548,353 | $70.4M | 0.85% | −618,451−28.5% | Reduced |
| Charles Schwab Investment Management Inc | 1,567,583 | $71.3M | 0.02% | −14,042−0.9% | Reduced |
| Loomis Sayles & Co L P | 1,590,068 | $72.3M | 0.11% | +870,450+121.0% | Added |
| Capital World Investors | 1,974,652 | $89.8M | 0.02% | +7,716+0.4% | Added |
| Morgan Stanley | 2,102,732 | $95.6M | 0.01% | +775,086+58.4% | Added |
| Dimensional Fund Advisors LP | 2,317,722 | $105.4M | 0.03% | +139,694+6.4% | Added |
| Invesco Ltd. | 2,513,075 | $114.3M | 0.03% | −17,780−0.7% | Reduced |
| Geode Capital Management, LLC | 2,699,414 | $122.8M | 0.01% | +121,690+4.7% | Added |
| Alliancebernstein L.P. | 3,167,131 | $144.0M | 0.06% | +5,432+0.2% | Added |
| Ameriprise Financial Inc | 3,178,015 | $144.5M | 0.04% | +141,280+4.7% | Added |
| FMR LLC | 3,312,274 | $150.6M | 0.01% | +107,716+3.4% | Added |
| Frontier Capital Management Co LLC | 3,645,644 | $165.8M | 1.67% | +594,644+19.5% | Added |
| State Street Corp | 6,744,006 | $306.6M | 0.01% | +462,514+7.4% | Added |
| Vanguard Group Inc | 14,206,395 | $646.0M | 0.01% | −107,366−0.8% | Reduced |
| Capital International Investors | 15,206,885 | $691.5M | 0.16% | −18,601−0.1% | Reduced |
| BlackRock Inc. | 20,232,255 | $920.0M | 0.02% | +348,313+1.8% | Added |
| Palestra Capital Management LLC | 0 | $0 | 0.00% | −2,190,728−100.0% | Sold out |
| Kensico Capital Management Corp | 0 | $0 | 0.00% | −1,190,000−100.0% | Sold out |
| Hawk Ridge Capital Management LP | 0 | $0 | 0.00% | −455,098−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −184,230−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −155,525−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −115,492−100.0% | Sold out |
| Telemark Asset Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −96,481−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −81,617−100.0% | Sold out |
| Wedge Capital Management L L P | 0 | $0 | 0.00% | −78,952−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −77,934−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −70,241−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −67,368−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −66,473−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −42,368−100.0% | Sold out |
| Virtue Capital Management, LLC | 0 | $0 | 0.00% | −25,538−100.0% | Sold out |
| L & S Advisors Inc | 0 | $0 | 0.00% | −25,326−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −22,390−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −21,312−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −20,743−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −16,814−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −15,800−100.0% | Sold out |
| Level Four Advisory Services, LLC | 0 | $0 | 0.00% | −15,644−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −12,374−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −11,736−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −11,297−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −8,990−100.0% | Sold out |
| Joule Financial, LLC | 0 | $0 | 0.00% | −8,544−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −7,128−100.0% | Sold out |
| Hanseatic Management Services Inc | 0 | $0 | 0.00% | −5,961−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −4,951−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −1,880−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Marquette Asset Management, LLC | 0 | $0 | 0.00% | −297−100.0% | Sold out |
| Anchor Investment Management, LLC | 0 | $0 | 0.00% | −191−100.0% | Sold out |
| GHP Investment Advisors, Inc. | 0 | $0 | 0.00% | −151−100.0% | Sold out |
| Washington Trust Co | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Advisor Partners II, LLC | – | – | – | – | Not filed |
| Virginia Retirement Systems Et Al | – | – | – | – | Not filed |
| Steward Financial Group LLC | – | – | – | – | Not filed |