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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 20,232,255 | $920.0M | 0.02% | +348,313+1.8% | Added |
| Capital International Investors | 15,206,885 | $691.5M | 0.16% | −18,601−0.1% | Reduced |
| Vanguard Group Inc | 14,206,395 | $646.0M | 0.01% | −107,366−0.8% | Reduced |
| State Street Corp | 6,744,006 | $306.6M | 0.01% | +462,514+7.4% | Added |
| Frontier Capital Management Co LLC | 3,645,644 | $165.8M | 1.67% | +594,644+19.5% | Added |
| FMR LLC | 3,312,274 | $150.6M | 0.01% | +107,716+3.4% | Added |
| Ameriprise Financial Inc | 3,178,015 | $144.5M | 0.04% | +141,280+4.7% | Added |
| Alliancebernstein L.P. | 3,167,131 | $144.0M | 0.06% | +5,432+0.2% | Added |
| Geode Capital Management, LLC | 2,699,414 | $122.8M | 0.01% | +121,690+4.7% | Added |
| Invesco Ltd. | 2,513,075 | $114.3M | 0.03% | −17,780−0.7% | Reduced |
| Dimensional Fund Advisors LP | 2,317,722 | $105.4M | 0.03% | +139,694+6.4% | Added |
| Morgan Stanley | 2,102,732 | $95.6M | 0.01% | +775,086+58.4% | Added |
| Capital World Investors | 1,974,652 | $89.8M | 0.02% | +7,716+0.4% | Added |
| Loomis Sayles & Co L P | 1,590,068 | $72.3M | 0.11% | +870,450+121.0% | Added |
| Charles Schwab Investment Management Inc | 1,567,583 | $71.3M | 0.02% | −14,042−0.9% | Reduced |
| Driehaus Capital Management LLC | 1,548,353 | $70.4M | 0.85% | −618,451−28.5% | Reduced |
| Point72 Asset Management, L.P. | 1,539,536 | $70.0M | 0.21% | +1,436,436+1,393.2% | Added |
| Channing Capital Management, LLC | 1,537,146 | $69.9M | 2.06% | −207,158−11.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,535,359 | $69.8M | 0.12% | −125,516−7.6% | Reduced |
| Northern Trust Corp | 1,427,644 | $64.9M | 0.01% | −13,905−1.0% | Reduced |
| Bowen Hanes & Co Inc | 1,400,150 | $63.7M | 1.92% | +33,765+2.5% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 1,363,667 | $62.0M | 0.22% | −666,674−32.8% | Reduced |
| Price T Rowe Associates Inc | 1,316,526 | $59.9M | 0.01% | +59,486+4.7% | Added |
| Goldman Sachs Group Inc | 1,306,784 | $59.4M | 0.01% | +315,506+31.8% | Added |
| Federated Hermes, Inc. | 1,258,969 | $57.2M | 0.14% | +40,419+3.3% | Added |
| D. E. Shaw & Co., Inc. | 1,233,357 | $56.1M | 0.08% | +1,020+0.1% | Added |
| Norges Bank | 1,228,400 | $55.9M | 0.01% | −69,016−5.3% | Reduced |
| Woodline Partners LP | 1,166,505 | $53.0M | 0.58% | +953,628+448.0% | Added |
| Victory Capital Management Inc | 1,109,192 | $50.4M | 0.05% | +135,820+14.0% | Added |
| Bank of New York Mellon Corp | 1,091,259 | $49.6M | 0.01% | −30,196−2.7% | Reduced |
| Macquarie Group Ltd | 1,019,796 | $46.4M | 0.05% | −19,063−1.8% | Reduced |
| Neuberger Berman Group LLC | 1,008,477 | $45.9M | 0.04% | +30,192+3.1% | Added |
| Capital International Inc | 1,007,979 | $45.8M | 0.71% | −52,049−4.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 946,566 | $43.0M | 0.09% | −27,962−2.9% | Reduced |
| Balyasny Asset Management LLC | 939,089 | $42.7M | 0.12% | −101,395−9.7% | Reduced |
| Fisher Asset Management, LLC | 802,671 | $36.5M | 0.02% | −148,252−15.6% | Reduced |
| Nuveen Asset Management, LLC | 740,475 | $33.7M | 0.01% | +289,918+64.3% | Added |
| Principal Financial Group Inc | 663,754 | $30.2M | 0.02% | −23,747−3.5% | Reduced |
| KLCM Advisors, Inc. | 639,632 | $29.1M | 4.49% | +23,981+3.9% | Added |
| Schonfeld Strategic Advisors LLC | 558,597 | $25.4M | 0.21% | −231,892−29.3% | Reduced |
| Emerald Advisers, LLC | 557,389 | $25.3M | 1.08% | −1,116−0.2% | Reduced |
| American Century Companies Inc | 552,574 | $25.1M | 0.02% | +37,772+7.3% | Added |
| Putnam Investments LLC | 508,300 | $23.1M | 0.03% | +191,898+60.7% | Added |
| Emerald Mutual Fund Advisers Trust | 487,440 | $22.2M | 1.17% | +93,560+23.8% | Added |
| Anomaly Capital Management, LP | 473,498 | $21.5M | 0.93% | −681,778−59.0% | Reduced |
| Deutsche Bank AG | 445,461 | $20.3M | 0.01% | +311,263+231.9% | Added |
| Two Sigma Investments, LP | 441,309 | $20.1M | 0.05% | +398,342+927.1% | Added |
| Cartenna Capital, LP | 435,000 | $19.8M | 2.07% | +170,000+64.2% | Added |
| Gamco Investors, Inc. Et Al | 433,142 | $19.7M | 0.21% | 00.0% | Unchanged |
| Bank of America Corp | 412,238 | $18.7M | 0.00% | +20,057+5.1% | Added |
| Sasco Capital Inc | 409,556 | $18.6M | 2.18% | −63,990−13.5% | Reduced |
| Legal & General Group Plc | 399,809 | $18.2M | 0.01% | +1,375+0.3% | Added |
| UBS Asset Management Americas Inc | 375,498 | $17.1M | 0.01% | −2,317−0.6% | Reduced |
| Apis Capital Advisors, LLC | 373,800 | $17.0M | 17.83% | +27,800+8.0% | Added |
| Rhumbline Advisers | 371,852 | $16.9M | 0.02% | −16,249−4.2% | Reduced |
| JPMorgan Chase & Co | 362,590 | $16.5M | 0.00% | +83,629+30.0% | Added |
| New York State Common Retirement Fund | 356,241 | $16.2M | 0.02% | −103,684−22.5% | Reduced |
| Assenagon Asset Management S.A. | 355,202 | $16.2M | 0.05% | +312,699+735.7% | Added |
| Lazard Asset Management LLC | 352,486 | $16.0M | 0.02% | −8,719−2.4% | Reduced |
| SEI Investments Co | 331,314 | $15.1M | 0.02% | −62,735−15.9% | Reduced |
| Wellington Management Group LLP | 317,487 | $14.4M | 0.00% | +19,669+6.6% | Added |
| Capital Group Investment Management Pte. Ltd. | 313,778 | $14.3M | 1.50% | −443,727−58.6% | Reduced |
| Mesirow Institutional Investment Management, Inc. | 303,187 | $13.8M | 1.29% | +52,847+21.1% | Added |
| Royce & Associates LP | 302,600 | $13.8M | 0.13% | −6,200−2.0% | Reduced |
| Wells Fargo & Company | 300,572 | $13.7M | 0.00% | −36,079−10.7% | Reduced |
| Kennedy Capital Management, Inc. | 275,112 | $12.5M | 0.27% | −18,534−6.3% | Reduced |
| Millennium Management LLC | 267,843 | $12.2M | 0.01% | −79,043−22.8% | Reduced |
| Public Sector Pension Investment Board | 264,742 | $12.0M | 0.09% | +105,813+66.6% | Added |
| Citadel Advisors LLC | 259,556 | $11.8M | 0.01% | +168,530+185.1% | Added |
| California Public Employees Retirement System | 255,974 | $11.6M | 0.01% | −6,821−2.6% | Reduced |
| Swiss National Bank | 253,500 | $11.5M | 0.01% | −29,100−10.3% | Reduced |
| Mountaineer Partners Management, LLC | 251,839 | $11.5M | 5.82% | +1,879+0.8% | Added |
| Knights of Columbus Asset Advisors LLC | 239,553 | $10.9M | 0.70% | +118,997+98.7% | Added |
| Bornite Capital Management LP | 220,000 | $10.0M | 2.34% | +220,000 | New |
| Barclays PLC | 218,361 | $9.93M | 0.01% | +117,313+116.1% | Added |
| State of Wisconsin Investment Board | 217,764 | $9.90M | 0.03% | +58,412+36.7% | Added |
| BNP Paribas Arbitrage, SA | 212,734 | $9.67M | 0.02% | +94,734+80.3% | Added |
| Schroder Investment Management Group | 200,272 | $9.11M | 0.01% | +728+0.4% | Added |
| WS Management LLLP | 200,000 | $9.09M | 0.89% | 00.0% | Unchanged |
| NorthRock Partners, LLC | 198,886 | $9.04M | 0.38% | +150+0.1% | Added |
| New York State Teachers Retirement System | 175,709 | $7.99M | 0.02% | +2,598+1.5% | Added |
| Castleark Management LLC | 174,540 | $7.94M | 0.35% | −32,160−15.6% | Reduced |
| Crestline Management, LP | 171,959 | $7.82M | 0.72% | −62,770−26.7% | Reduced |
| Sapience Investments, LLC | 158,492 | $7.21M | 1.72% | +36,305+29.7% | Added |
| UBS Group AG | 157,369 | $7.16M | 0.00% | +96,078+156.8% | Added |
| Moody Aldrich Partners LLC | 157,170 | $7.15M | 1.29% | +40,469+34.7% | Added |
| Prudential Financial Inc | 146,537 | $6.66M | 0.01% | −3,836−2.6% | Reduced |
| Van Eck Associates Corp | 143,050 | $6.50M | 0.01% | +13,775+10.7% | Added |
| California State Teachers Retirement System | 136,132 | $6.19M | 0.01% | −6,023−4.2% | Reduced |
| Mutual of America Capital Management LLC | 135,344 | $6.15M | 0.07% | −525−0.4% | Reduced |
| Two Sigma Advisers, LP | 133,198 | $6.06M | 0.01% | +133,198 | New |
| Credit Suisse AG | 129,459 | $5.89M | 0.01% | −196−0.2% | Reduced |
| First Trust Advisors LP | 128,830 | $5.86M | 0.01% | −16,785−11.5% | Reduced |
| Squarepoint Ops LLC | 118,812 | $5.40M | 0.02% | +118,812 | New |
| Thrivent Financial for Lutherans | 114,559 | $5.21M | 0.01% | −5,793−4.8% | Reduced |
| Texas Permanent School Fund | 110,209 | $5.01M | 0.04% | +1,003+0.9% | Added |
| Appian Way Asset Management LP | 109,400 | $4.97M | 1.61% | +109,400 | New |
| Great West Life Assurance Co | 105,091 | $4.77M | 0.01% | −8,350−7.4% | Reduced |
| Oberweis Asset Management Inc | 102,500 | $4.66M | 0.43% | +7,500+7.9% | Added |
| NBW Capital LLC | 95,787 | $4.36M | 0.95% | −697−0.7% | Reduced |