AtiATI
13F holders, Q2 2026 (June 30)795holders +117
167new positions
54sold out
13famous investors
$196.45avg. 13F price*
At the end of Q2 2026, 795 institutions reported holding Ati Inc. (ATI) in their 13F filings, up 117 from Q1 2026. 167 opened new positions and 54 sold out. The largest holders were BlackRock, Inc. ($3.7B), Vanguard Portfolio Management LLC ($1.2B) and Vanguard Capital Management LLC ($1.2B). 13 famous investors held it, including Andreas Halvorsen (0.6% of Viking Global Investors's portfolio), Mario Gabelli (0.6% of GAMCO Investors's portfolio) and Steve Cohen (0.4% of Point72 Asset Management's portfolio).
- Company
- Ati Inc.
- CUSIP
- 01741R102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 167 | $574.7M |
| Exits | 54 | $85.9M |
All 13F filers, Q1 2026 → Q2 2026: 15,859,808 shares bought and 17,459,683 shares sold, net −1,599,875 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 795 holders
| BlackRock, Inc. | 0.06% | Add +13.8% | 18,708,922 | $3.7B |
| Vanguard Portfolio Management LLC | 0.06% | Add +6.8% | 6,219,875 | $1.2B |
| Vanguard Capital Management LLC | 0.03% | Add +0.6% | 6,162,418 | $1.2B |
| Capital World Investors | 0.12% | Reduce -8.1% | 5,249,249 | $1.0B |
| State Street Corp. | 0.03% | Reduce -2.7% | 5,237,299 | $1.0B |
| Capital Research Global Investors | 0.14% | Reduce -17.3% | 5,093,768 | $1.0B |
| FMR LLC | 0.04% | Reduce -4.9% | 4,989,171 | $983.4M |
| Capital International Investors | 0.15% | Reduce -36.8% | 3,719,485 | $733.2M |
| Invesco Ltd. | 0.05% | Reduce -10.5% | 3,449,291 | $679.9M |
| Geode Capital Management, LLC | 0.03% | Reduce -5.8% | 2,777,512 | $547.6M |
| Qube Research & Technologies Ltd | 0.47% | Add +149.7% | 2,144,028 | $422.6M |
| Morgan Stanley | 0.02% | Add +11.8% | 1,865,178 | $367.6M |
| Bank of America Corp. | 0.02% | Add +29.5% | 1,767,047 | $348.3M |
| Norges Bank | 0.03% | — | 1,739,884 | $342.9M |
| Charles Schwab Investment Management Inc. | 0.04% | Reduce -1.3% | 1,483,253 | $292.3M |
| AQR Capital Management | 0.10% | Add +17.2% | 1,432,935 | $282.4M |
| Jane Street Group, LLC | 0.18% | Reduce -5.4% | 1,410,930 | $278.1M |
| Northern Trust Corp. | 0.03% | Add +4.0% | 1,288,597 | $254.0M |
| Point72 Asset Management | 0.39% | Reduce -35.8% | 1,240,348 | $244.5M |
| Dimensional Fund Advisors LP | 0.04% | Reduce -15.1% | 1,160,274 | $228.7M |
| Viking Global Investors | 0.65% | Reduce -65.4% | 1,153,880 | $227.4M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.27% | Add +8.5% | 1,120,952 | $220.9M |
| T. Rowe Price Associates Inc. | 0.02% | Add +210.8% | 1,021,799 | $201.4M |
| Dendur Capital LP | 11.77% | Reduce -21.4% | 1,009,000 | $198.9M |
| Bessemer Group Inc. | 0.26% | Add +45245.8% | 954,983 | $188.2M |
| BNP Paribas Financial Markets | 0.10% | Add +41.5% | 922,903 | $181.9M |
| Vanguard Fiduciary Trust Co. | 0.04% | Add +4.4% | 881,293 | $173.7M |
| Millennium Management | 0.12% | Add +41.3% | 875,260 | $172.5M |
| Fisher Asset Management | 0.05% | Reduce -5.6% | 872,372 | $171.9M |
| Ameriprise Financial Inc. | 0.03% | Reduce -14.1% | 858,201 | $169.2M |
| Bank of New York Mellon Corp | 0.03% | Reduce -1.4% | 857,414 | $169.0M |
| Artemis Investment Management LLP | 1.48% | Add +16.6% | 841,493 | $165.9M |
| Arrowstreet Capital, Limited Partnership | 0.07% | Reduce -30.2% | 839,786 | $165.5M |
| Polen Capital Management LLC | 1.39% | New | 819,236 | $161.5M |
| D. E. Shaw & Co. | 0.11% | Reduce -53.2% | 815,585 | $160.8M |
| Bowen Hanes & Co. Inc. | 3.69% | No change | 1,043,105 | $151.7M |
| American Century Companies Inc. | 0.07% | Reduce -28.4% | 765,808 | $150.9M |
| Goldman Sachs Group Inc. | 0.02% | Add +67.8% | 751,276 | $148.1M |
| Nuveen, LLC | 0.03% | Add +27.4% | 737,096 | $145.3M |
| Marshall Wace, LLP | 0.12% | Add +32.3% | 709,552 | $139.9M |
| Raymond James Financial Inc. | 0.04% | Add +4.5% | 667,720 | $131.6M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.39% | Reduce -15.8% | 658,413 | $129.8M |
| Assenagon Asset Management S.A. | 0.17% | Add +12.5% | 657,117 | $129.5M |
| Two Sigma Investments, LP | 0.10% | Add +3481.8% | 636,671 | $125.5M |
| Freestone Grove Partners LP | 0.76% | Add +1.9% | 587,093 | $115.7M |
| Loomis Sayles & Co. L P | 0.14% | Reduce -11.0% | 581,326 | $114.6M |
| Balyasny Asset Management L.P. | 0.19% | Reduce -39.6% | 514,088 | $101.3M |
| Holocene Advisors, LP | 0.22% | Reduce -54.7% | 497,600 | $98.1M |
| Citadel Advisors | 0.06% | Add +64.0% | 497,418 | $98.0M |
| SG Americas Securities, LLC | 0.06% | Reduce -54.5% | 489,505 | $96.5M |
| Allspring Global Investments Holdings, LLC | 0.15% | Reduce -3.5% | 502,038 | $96.5M |
| Wells Fargo & Company | 0.02% | Add +37.8% | 483,681 | $95.3M |
| Federated Hermes, Inc. | 0.13% | Reduce -13.1% | 474,180 | $93.5M |
| JPMorgan Chase & Co. | 0.01% | Add +14.3% | 465,592 | $93.3M |
| UBS Group AG | 0.01% | Reduce -67.3% | 464,718 | $91.6M |
| 1832 Asset Management L.P. | 0.11% | Add +203.3% | 459,483 | $90.6M |
| Neuberger Berman Group LLC | 0.06% | Reduce -9.0% | 450,261 | $88.7M |
| Square Wave Capital, LLC | 13.08% | Add +21.4% | 444,800 | $87.7M |
| DSM Capital Partners LLC | 1.49% | New | 441,048 | $86.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +20.7% | 428,271 | $84.4M |
| Frontier Capital Management Co. LLC | 0.77% | Reduce -39.5% | 419,968 | $82.8M |
| Bank of Nova Scotia | 0.13% | Reduce -10.7% | 417,290 | $82.2M |
| Envestnet Asset Management Inc. | 0.02% | Add +81.4% | 391,409 | $77.1M |
| Amundi | 0.02% | Add +48.8% | 388,616 | $76.6M |
| Alliancebernstein L.P. | 0.03% | Reduce -9.2% | 522,371 | $76.0M |
| Rhumbline Advisers | 0.06% | Add +6.3% | 376,589 | $74.2M |
| GAMCO Investors | 0.63% | Reduce -1.0% | 358,000 | $70.6M |
| Thrivent Financial for Lutherans | 0.11% | Add +571.9% | 338,645 | $66.7M |
| ING Groep NV | 0.32% | Reduce -12.5% | 330,300 | $65.1M |
| Canada Pension Plan Investment Board | 0.04% | Add +91.7% | 321,526 | $63.4M |
| Principal Financial Group Inc. | 0.03% | Add +1.7% | 308,372 | $60.8M |
| Retirement Systems of Alabama | 0.17% | Reduce -8.1% | 286,874 | $56.5M |
| Allianz Asset Management GmbH | 0.05% | Add +5.4% | 282,318 | $55.6M |
| Clearbridge Investments, LLC | 0.05% | New | 280,386 | $55.3M |
| Swiss National Bank | 0.03% | Add +2.8% | 276,400 | $54.5M |
| Gotham Asset Management | 0.12% | Add +3.5% | 269,572 | $53.1M |
| Vaughan Nelson Investment Management, L.P. | 0.47% | Reduce -29.6% | 269,170 | $53.1M |
| California Public Employees Retirement System | 0.03% | Add +2.0% | 258,900 | $51.0M |
| Segall Bryant & Hamill, LLC | 0.57% | Reduce -12.5% | 242,639 | $47.8M |
| Royal Bank of Canada | 0.01% | Add +40.6% | 240,438 | $47.4M |
| Blair William & Co. | 0.12% | Reduce -2.1% | 231,946 | $45.7M |
| Capital International, Inc. | 0.29% | Reduce -10.3% | 210,648 | $41.5M |
| Schroder Investment Management Group | 0.03% | Reduce -48.4% | 207,874 | $41.1M |
| KLCM Advisors, Inc. | 3.28% | Reduce -21.1% | 207,475 | $40.9M |
| LPL Financial LLC | 0.01% | Add +24.3% | 205,781 | $40.6M |
| Driehaus Capital Management LLC | 0.23% | Reduce -3.6% | 205,124 | $40.4M |
| Hawk Ridge Capital Management LP | 1.32% | Add +10.3% | 204,700 | $40.3M |
| Jupiter Asset Management Ltd. | 0.20% | Reduce -40.7% | 202,574 | $39.9M |
| Legal & General Group Plc | 0.01% | Reduce -5.9% | 199,420 | $39.3M |
| Citigroup Inc. | 0.02% | Add +154.1% | 192,174 | $37.9M |
| Panagora Asset Management Inc. | 0.11% | Add +13.9% | 188,522 | $37.2M |
| Prudential Financial Inc. | 0.04% | Reduce -77.6% | 181,276 | $35.7M |
| Rokos Capital Management LLP | 0.45% | Add +125.2% | 180,935 | $35.7M |
| Yaupon Capital Management LP | 1.18% | New | 180,204 | $35.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.05% | Add +105.5% | 178,880 | $35.3M |
| Susquehanna International Group, LLP | 0.03% | Add +404.3% | 178,268 | $35.1M |
| Schonfeld Strategic Advisors LLC | 0.19% | Add +655.0% | 177,751 | $35.0M |
| State of Wisconsin Investment Board | 0.07% | Reduce -13.6% | 174,589 | $34.4M |
| Deutsche Bank AG | 0.01% | Add +50.7% | 162,592 | $32.0M |
| California State Teachers Retirement System | 0.03% | Add +0.4% | 158,400 | $31.2M |
"% of holder's portfolio" is ATI's weight in each manager's 13F, not the share of Ati Inc. the manager owns.