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, Q3 2023
Institutional positions in Ati Inc as of Sep 30, 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
- 338
- +11 vs. Q2 2023
- Shares held
- 133.1M
- −1.47M (−1.1%) vs. Q2 2023
- Total value
- $5.48B
- −$469.1M (−7.9%) vs. Q2 2023
- New holders
- 38
- 105 more added
- Sold out
- 27
- 135 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 19,883,942 | $818.2M | 0.02% | −433,000−2.1% | Reduced |
| Capital International Investors | 15,225,486 | $626.5M | 0.16% | +22,459+0.1% | Added |
| Vanguard Group Inc | 14,313,761 | $589.0M | 0.01% | −64,536−0.4% | Reduced |
| State Street Corp | 6,281,492 | $258.5M | 0.01% | −239,349−3.7% | Reduced |
| FMR LLC | 3,204,558 | $131.9M | 0.01% | −91,306−2.8% | Reduced |
| Alliancebernstein L.P. | 3,161,699 | $130.1M | 0.06% | −1,013,623−24.3% | Reduced |
| Frontier Capital Management Co LLC | 3,051,000 | $125.5M | 1.38% | −442,594−12.7% | Reduced |
| Ameriprise Financial Inc | 3,036,735 | $125.0M | 0.04% | −22,055−0.7% | Reduced |
| Geode Capital Management, LLC | 2,577,724 | $106.1M | 0.01% | +100,575+4.1% | Added |
| Invesco Ltd. | 2,530,855 | $104.1M | 0.03% | +155,609+6.6% | Added |
| Palestra Capital Management LLC | 2,190,728 | $90.1M | 4.76% | +1,957,416+839.0% | Added |
| Dimensional Fund Advisors LP | 2,178,028 | $89.6M | 0.03% | −286,955−11.6% | Reduced |
| Driehaus Capital Management LLC | 2,166,804 | $89.2M | 1.16% | +4,793+0.2% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 2,030,341 | $83.5M | 0.32% | +38,846+2.0% | Added |
| Capital World Investors | 1,966,936 | $80.9M | 0.02% | +996,936+102.8% | Added |
| Channing Capital Management, LLC | 1,744,304 | $71.8M | 2.37% | −39,810−2.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,660,875 | $68.3M | 0.12% | +446,027+36.7% | Added |
| Charles Schwab Investment Management Inc | 1,581,625 | $65.1M | 0.02% | +404,797+34.4% | Added |
| Northern Trust Corp | 1,441,549 | $59.3M | 0.01% | +61,582+4.5% | Added |
| Bowen Hanes & Co Inc | 1,366,385 | $56.2M | 1.89% | −45,170−3.2% | Reduced |
| Morgan Stanley | 1,327,646 | $54.6M | 0.01% | −11,608−0.9% | Reduced |
| Norges Bank | 1,297,416 | $53.4M | 0.01% | +4,125+0.3% | Added |
| Price T Rowe Associates Inc | 1,257,040 | $51.7M | 0.01% | +170,478+15.7% | Added |
| D. E. Shaw & Co., Inc. | 1,232,337 | $50.7M | 0.08% | −980,619−44.3% | Reduced |
| Federated Hermes, Inc. | 1,218,550 | $50.1M | 0.13% | +24,846+2.1% | Added |
| Kensico Capital Management Corp | 1,190,000 | $49.0M | 2.08% | −271,200−18.6% | Reduced |
| Anomaly Capital Management, LP | 1,155,276 | $47.5M | 2.17% | −883,145−43.3% | Reduced |
| Bank of New York Mellon Corp | 1,121,455 | $46.1M | 0.01% | −44,562−3.8% | Reduced |
| Capital International Inc | 1,060,028 | $43.6M | 0.84% | −99,440−8.6% | Reduced |
| Balyasny Asset Management LLC | 1,040,484 | $42.8M | 0.12% | +59,229+6.0% | Added |
| Macquarie Group Ltd | 1,038,859 | $42.7M | 0.05% | −158,383−13.2% | Reduced |
| Goldman Sachs Group Inc | 991,278 | $40.8M | 0.01% | −716,413−42.0% | Reduced |
| Neuberger Berman Group LLC | 978,285 | $40.3M | 0.04% | −15,121−1.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 974,528 | $40.1M | 0.09% | +29,389+3.1% | Added |
| Victory Capital Management Inc | 973,372 | $40.1M | 0.05% | +391,554+67.3% | Added |
| Fisher Asset Management, LLC | 950,923 | $39.1M | 0.02% | −6,249−0.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 790,489 | $32.5M | 0.30% | +100,064+14.5% | Added |
| Capital Group Investment Management Pte. Ltd. | 757,505 | $31.2M | 2.03% | −333,448−30.6% | Reduced |
| Loomis Sayles & Co L P | 719,618 | $29.6M | 0.05% | +8,554+1.2% | Added |
| Principal Financial Group Inc | 687,501 | $28.3M | 0.02% | −44,439−6.1% | Reduced |
| KLCM Advisors, Inc. | 615,651 | $25.3M | 4.76% | −18,084−2.9% | Reduced |
| Emerald Advisers, LLC | 558,505 | $23.0M | 1.11% | +2,905+0.5% | Added |
| American Century Companies Inc | 514,802 | $21.2M | 0.02% | −64,073−11.1% | Reduced |
| Sasco Capital Inc | 473,546 | $19.5M | 2.51% | −78,420−14.2% | Reduced |
| New York State Common Retirement Fund | 459,925 | $18.9M | 0.03% | +31,567+7.4% | Added |
| Hawk Ridge Capital Management LP | 455,098 | $18.7M | 0.92% | +455,098 | New |
| Nuveen Asset Management, LLC | 450,557 | $18.5M | 0.01% | −3,323−0.7% | Reduced |
| Gamco Investors, Inc. Et Al | 433,142 | $17.8M | 0.21% | −8,500−1.9% | Reduced |
| Legal & General Group Plc | 398,434 | $16.4M | 0.01% | −5,378−1.3% | Reduced |
| SEI Investments Co | 394,049 | $16.2M | 0.03% | +126,626+47.4% | Added |
| Emerald Mutual Fund Advisers Trust | 393,880 | $16.2M | 0.98% | 00.0% | Unchanged |
| Bank of America Corp | 392,181 | $16.1M | 0.00% | +4,367+1.1% | Added |
| Rhumbline Advisers | 388,101 | $16.0M | 0.02% | +3,221+0.8% | Added |
| UBS Asset Management Americas Inc | 377,815 | $15.5M | 0.01% | +275,470+269.2% | Added |
| Lazard Asset Management LLC | 361,205 | $14.9M | 0.02% | +2,197+0.6% | Added |
| 1832 Asset Management L.P. | 359,725 | $14.8M | 0.03% | +292,129+432.2% | Added |
| Millennium Management LLC | 346,886 | $14.3M | 0.01% | −179,845−34.1% | Reduced |
| Apis Capital Advisors, LLC | 346,000 | $14.2M | 18.46% | −1,000−0.3% | Reduced |
| Wells Fargo & Company | 336,651 | $13.9M | 0.00% | −32,115−8.7% | Reduced |
| Putnam Investments LLC | 316,402 | $13.0M | 0.02% | +4,720+1.5% | Added |
| Royce & Associates LP | 308,800 | $12.7M | 0.13% | −3,960−1.3% | Reduced |
| Wellington Management Group LLP | 297,818 | $12.3M | 0.00% | −6,831−2.2% | Reduced |
| Kennedy Capital Management, Inc. | 293,646 | $12.1M | 0.29% | −11,455−3.8% | Reduced |
| Swiss National Bank | 282,600 | $11.6M | 0.01% | +2,800+1.0% | Added |
| JPMorgan Chase & Co | 278,961 | $11.5M | 0.00% | −75,429−21.3% | Reduced |
| Cartenna Capital, LP | 265,000 | $10.9M | 1.59% | +265,000 | New |
| California Public Employees Retirement System | 262,795 | $10.8M | 0.01% | +30,862+13.3% | Added |
| Mesirow Institutional Investment Management, Inc. | 250,340 | $10.3M | 1.04% | −56,123−18.3% | Reduced |
| Mountaineer Partners Management, LLC | 249,960 | $10.3M | 6.59% | +1,131+0.5% | Added |
| Crestline Management, LP | 234,729 | $9.66M | 1.15% | +90,869+63.2% | Added |
| Woodline Partners LP | 212,877 | $8.76M | 0.10% | −231,797−52.1% | Reduced |
| Castleark Management LLC | 206,700 | $8.51M | 0.43% | −41,530−16.7% | Reduced |
| WS Management LLLP | 200,000 | $8.23M | 1.06% | 00.0% | Unchanged |
| Schroder Investment Management Group | 199,544 | $8.21M | 0.01% | −3,610−1.8% | Reduced |
| NorthRock Partners, LLC | 198,736 | $8.18M | 0.86% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 184,230 | $7.58M | 0.19% | +34,230+22.8% | Added |
| Citigroup Inc | 183,611 | $7.56M | 0.01% | −49,110−21.1% | Reduced |
| New York State Teachers Retirement System | 173,111 | $7.12M | 0.02% | −5,830−3.3% | Reduced |
| State of Wisconsin Investment Board | 159,352 | $6.56M | 0.02% | −15,903−9.1% | Reduced |
| Public Sector Pension Investment Board | 158,929 | $6.54M | 0.05% | −69,245−30.3% | Reduced |
| Lisanti Capital Growth, LLC | 155,525 | $6.40M | 1.01% | +81,580+110.3% | Added |
| Prudential Financial Inc | 150,373 | $6.19M | 0.01% | −74,427−33.1% | Reduced |
| First Trust Advisors LP | 145,615 | $5.99M | 0.01% | −5,017−3.3% | Reduced |
| California State Teachers Retirement System | 142,155 | $5.85M | 0.01% | −13,888−8.9% | Reduced |
| Mutual of America Capital Management LLC | 135,869 | $5.59M | 0.07% | +2,248+1.7% | Added |
| Deutsche Bank AG | 134,198 | $5.52M | 0.00% | −97,359−42.0% | Reduced |
| Credit Suisse AG | 129,655 | $5.34M | 0.01% | +1,809+1.4% | Added |
| Van Eck Associates Corp | 129,275 | $5.32M | 0.01% | −1,746−1.3% | Reduced |
| HSBC Holdings PLC | 127,419 | $5.31M | 0.01% | +46,869+58.2% | Added |
| Sapience Investments, LLC | 122,187 | $5.03M | 1.21% | −2,870−2.3% | Reduced |
| Knights of Columbus Asset Advisors LLC | 120,556 | $4.96M | 0.45% | +1,088+0.9% | Added |
| Thrivent Financial for Lutherans | 120,352 | $4.95M | 0.01% | −3,811−3.1% | Reduced |
| BNP Paribas Arbitrage, SA | 118,000 | $4.86M | 0.01% | −760−0.6% | Reduced |
| Moody Aldrich Partners LLC | 116,701 | $4.80M | 0.91% | +4,831+4.3% | Added |
| Renaissance Technologies LLC | 115,492 | $4.75M | 0.01% | −70,008−37.7% | Reduced |
| Russell Investments Group, Ltd. | 114,878 | $4.73M | 0.01% | +44,476+63.2% | Added |
| Great West Life Assurance Co | 113,441 | $4.67M | 0.01% | −1,033−0.9% | Reduced |
| Texas Permanent School Fund | 109,206 | $4.49M | 0.04% | −3,979−3.5% | Reduced |
| Man Group plc | – | $4.48M | 0.01% | – | – |
| Advisory Research Inc | 103,382 | $4.25M | 0.59% | +19,757+23.6% | Added |