DaveManuel.com · Institutional Ownership · Who Owns It
ATI INC (ATI)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
801
Reporting holders
$25.5B
Reported value
94.2%
Of shares outstanding
0.8%
Calls
0.5%
Puts
+117
Holder change
Institutions report 128,319,953 shares against 136,170,383 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. A figure this high can overstate: where an adviser and a sub-adviser both report the same shares, both are counted.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $3.7B | 18,708,922 | 0.05% | 8q | +13.8%+$446.9M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $1.2B | 6,219,875 | 0.06% | 2q | +6.8%+$78.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | $1.2B | 6,162,418 | 0.03% | 2q | +0.6%+$7.5M |
| Capital World Investors | $1.0B | 5,249,249 | 0.12% | 31q | -8.1%-$91.4M |
| STATE STREET CORP | $1.0B | 5,237,299 | 0.03% | 31q | -2.7%-$28.3M |
| Capital Research Global Investors | $1.0B | 5,093,768 | 0.14% | 6q | -17.3%-$210.2M |
| FMR LLC | $983.4M | 4,989,171 | 0.04% | 31q | -4.9%-$50.9M |
| Capital International Investors | $733.2M | 3,719,485 | 0.15% | 30q | -36.8%-$426.7M |
| Invesco Ltd. | $679.9M | 3,449,291 | 0.05% | 31q | -10.5%-$80.1M |
| GEODE CAPITAL MANAGEMENT, LLC | $547.6M | 2,777,512 | 0.03% | 31q | -5.8%-$33.5M |
| Qube Research & Technologies Ltd | $422.6M | 2,144,028 | 0.39% | 3q | +149.6%+$253.3M |
| MORGAN STANLEY | $367.6M | 1,865,178 | 0.02% | 35q | +11.8%+$38.7M |
| BANK OF AMERICA CORP /DE/ | $348.3M | 1,767,047 | 0.02% | 31q | +29.5%+$79.3M |
| NORGES BANK | $342.9M | 1,739,884 | 0.03% | 32q | HELD |
| JANE STREET GROUP, LLC | $334.8M incl. $56.7M options CALL+PUT | 1,410,930 | 0.03% | 28q | -5.4%-$19.1M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $292.3M | 1,483,253 | 0.04% | 31q | -1.3%-$3.7M |
| AQR CAPITAL MANAGEMENT LLC | $282.4M | 1,432,935 | 0.10% | 17q | +17.2%+$41.5M |
| Assenagon Asset Management S.A. | $259.0M | 1,314,234 | 0.16% | 5q | +125.0%+$143.9M |
| NORTHERN TRUST CORP | $254.0M | 1,288,597 | 0.03% | 31q | +4.0%+$9.8M |
| Point72 Asset Management, L.P. | $246.2M incl. $1.7M options CALL+PUT | 1,240,348 | 0.27% | 16q | -35.8%-$137.4M |
| DIMENSIONAL FUND ADVISORS LP | $228.7M | 1,160,274 | 0.04% | 31q | -15.1%-$40.7M |
| VIKING GLOBAL INVESTORS LP | $227.4M | 1,153,880 | 0.65% | 2q | -65.4%-$429.5M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $220.9M | 1,120,952 | 0.26% | 9q | +8.5%+$17.4M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $201.4M | 1,021,799 | 0.02% | 31q | +210.8%+$136.6M |
| DENDUR CAPITAL LP | $198.9M | 1,009,000 | 10.44% | 8q | -21.4%-$54.0M |
| BESSEMER GROUP INC | $188.2M | 954,983 | 0.26% | 31q | +45245.8%+$187.8M |
| BNP PARIBAS FINANCIAL MARKETS | $186.3M incl. $4.4M options CALL | 922,903 | 0.06% | 31q | +41.6%+$54.7M |
| MILLENNIUM MANAGEMENT LLC | $174.1M incl. $1.6M options CALL+PUT | 875,260 | 0.06% | 23q | +41.3%+$50.9M |
| VANGUARD FIDUCIARY TRUST CO | $173.7M | 881,293 | 0.04% | 2q | +4.4%+$7.3M |
| Fisher Asset Management, LLC | $171.9M | 872,372 | 0.05% | 31q | -5.6%-$10.3M |
| AMERIPRISE FINANCIAL INC | $169.2M | 858,201 | 0.03% | 31q | -14.1%-$27.7M |
| Bank of New York Mellon Corp | $169.0M | 857,414 | 0.03% | 31q | -1.4%-$2.3M |
| Artemis Investment Management LLP | $165.9M | 841,493 | 1.48% | 2q | +16.6%+$23.6M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $165.5M | 839,786 | 0.07% | 3q | -30.2%-$71.7M |
| D. E. Shaw & Co., Inc. | $163.6M incl. $2.9M options CALL+PUT | 815,585 | 0.08% | 31q | -53.2%-$186.0M |
| POLEN CAPITAL MANAGEMENT LLC | $161.5M | 819,236 | 1.39% | new | NEW |
| BOWEN HANES & CO INC | $151.7M | 1,043,105 | 3.69% | 18q | HELD |
| AMERICAN CENTURY COMPANIES INC | $150.9M | 765,808 | 0.07% | 27q | -28.4%-$59.8M |
| GOLDMAN SACHS GROUP INC | $148.1M | 751,276 | 0.01% | 31q | +67.8%+$59.8M |
| Nuveen, LLC | $145.3M | 737,096 | 0.03% | 6q | +27.4%+$31.2M |
| MARSHALL WACE, LLP | $139.9M | 709,552 | 0.11% | 10q | +32.3%+$34.1M |
| RAYMOND JAMES FINANCIAL INC | $131.6M | 667,720 | 0.04% | 7q | +4.5%+$5.7M |
| CITADEL ADVISORS LLC | $130.0M incl. $32.0M options CALL+PUT | 497,418 | 0.01% | 31q | +64.0%+$50.7M |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | $129.8M | 658,413 | 0.39% | 31q | -15.9%-$24.5M |
| TWO SIGMA INVESTMENTS, LP | $128.0M incl. $2.5M options CALL+PUT | 636,671 | 0.09% | 3q | +3481.8%+$124.4M |
| Freestone Grove Partners LP | $115.7M | 587,093 | 0.74% | 2q | +1.9%+$2.2M |
| LOOMIS SAYLES & CO L P | $114.6M | 581,326 | 0.14% | 14q | -11.0%-$14.2M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $107.4M incl. $72.2M options CALL+PUT | 178,268 | 0.01% | 31q | +404.3%+$86.1M |
| Balyasny Asset Management L.P. | $101.3M | 514,088 | 0.13% | 3q | -39.6%-$66.5M |
| Holocene Advisors, LP | $98.1M | 497,600 | 0.22% | 5q | -54.7%-$118.3M |
| SG Americas Securities, LLC | $96.5M | 489,505 | 0.05% | 7q | -54.5%-$115.5M |
| Allspring Global Investments Holdings, LLC | $96.5M | 502,038 | 0.15% | 19q | -3.5%-$3.5M |
| WELLS FARGO & COMPANY/MN | $95.3M | 483,681 | 0.02% | 31q | +37.7%+$26.1M |
| FEDERATED HERMES, INC. | $93.5M | 474,180 | 0.13% | 31q | -13.1%-$14.1M |
| JPMORGAN CHASE & CO | $93.3M | 465,592 | 0.01% | 31q | +14.3%+$11.7M |
| UBS Group AG | $91.6M | 464,718 | 0.01% | 31q | -67.3%-$188.1M |
| 1832 Asset Management L.P. | $90.6M | 459,483 | 0.05% | 3q | +203.3%+$60.7M |
| NEUBERGER BERMAN GROUP LLC | $88.7M | 450,261 | 0.06% | 31q | -9.0%-$8.8M |
| Square Wave Capital, LLC | $87.7M | 444,800 | 13.08% | 2q | +21.4%+$15.5M |
| DSM CAPITAL PARTNERS LLC | $86.9M | 441,048 | 1.49% | new | NEW |
| Jain Global LLC | $85.1M incl. $78.8M options CALL+PUT | 31,725 | 0.33% | 4q | -88.0%-$624.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $84.4M | 428,271 | 0.02% | 31q | +20.7%+$14.5M |
| FRONTIER CAPITAL MANAGEMENT CO LLC | $82.8M | 419,968 | 0.77% | 31q | -39.5%-$54.1M |
| BANK OF NOVA SCOTIA | $82.2M | 417,290 | 0.12% | 5q | -10.7%-$9.8M |
| ENVESTNET ASSET MANAGEMENT INC | $77.1M | 391,409 | 0.02% | 15q | +81.4%+$34.6M |
| Amundi | $76.6M | 388,616 | 0.02% | 9q | +48.8%+$25.1M |
| ALLIANCEBERNSTEIN L.P. | $76.0M | 522,371 | 0.03% | 31q | -9.2%-$7.7M |
| RHUMBLINE ADVISERS | $74.2M | 376,589 | 0.06% | 31q | +6.3%+$4.4M |
| GAMCO INVESTORS, INC. ET AL | $70.6M | 358,000 | 0.63% | 31q | -1.0%-$689.9K |
| Thrivent Financial for Lutherans | $66.7M | 338,645 | 0.11% | 31q | +571.9%+$56.8M |
| ING GROEP NV | $65.1M | 330,300 | 0.32% | 5q | -12.5%-$9.3M |
| CANADA PENSION PLAN INVESTMENT BOARD | $63.4M | 321,526 | 0.04% | 11q | +91.7%+$30.3M |
| PRINCIPAL FINANCIAL GROUP INC | $60.8M | 308,372 | 0.03% | 31q | +1.7%+$1.0M |
| Retirement Systems of Alabama | $56.5M | 286,874 | 0.17% | 6q | -8.1%-$5.0M |
| Allianz Asset Management GmbH | $55.6M | 282,318 | 0.05% | 7q | +5.4%+$2.9M |
| Clearbridge Investments, LLC | $55.3M | 280,386 | 0.05% | new | NEW |
| Swiss National Bank | $54.5M | 276,400 | 0.03% | 31q | +2.8%+$1.5M |
| Gotham Asset Management, LLC | $53.1M | 269,572 | 0.12% | 10q | +3.5%+$1.8M |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | $53.1M | 269,170 | 0.47% | 3q | -29.6%-$22.3M |
| California Public Employees Retirement System | $51.0M | 258,900 | 0.03% | 16q | +2.0%+$1.0M |
| SEGALL BRYANT & HAMILL, LLC | $47.8M | 242,639 | 0.57% | 8q | -12.5%-$6.8M |
| ROYAL BANK OF CANADA | $47.4M | 240,438 | 0.01% | 31q | +40.6%+$13.7M |
| BLAIR WILLIAM & CO/IL | $45.7M | 231,946 | 0.12% | 5q | -2.1%-$995.4K |
| Capital International, Inc./CA/ | $41.5M | 210,648 | 0.29% | 31q | -10.3%-$4.8M |
| KLCM Advisors, Inc. | $41.2M incl. $354.8K options PUT | 207,475 | 3.25% | 31q | -21.1%-$11.0M |
| SCHRODER INVESTMENT MANAGEMENT GROUP | $41.1M | 207,874 | 0.03% | 17q | -48.4%-$38.5M |
| LPL Financial LLC | $40.6M | 205,781 | 0.01% | 25q | +24.3%+$7.9M |
| Driehaus Capital Management LLC | $40.4M | 205,124 | 0.23% | 3q | -3.6%-$1.5M |
| HAWK RIDGE CAPITAL MANAGEMENT LP | $40.3M | 204,700 | 1.29% | 5q | +10.3%+$3.8M |
| JUPITER ASSET MANAGEMENT LTD | $39.9M | 202,574 | 0.20% | 4q | -40.7%-$27.4M |
| Legal & General Group Plc | $39.3M | 199,420 | 0.01% | 31q | -5.9%-$2.5M |
| Oribel Capital Management, LP | $38.0M incl. $19.0M options PUT | 96,500 | 1.15% | new | NEW |
| CITIGROUP INC | $37.9M | 192,174 | 0.01% | 31q | +154.1%+$23.0M |
| PANAGORA ASSET MANAGEMENT INC | $37.2M | 188,522 | 0.11% | 8q | +13.9%+$4.5M |
| TUDOR INVESTMENT CORP ET AL | $37.1M incl. $7.8M options CALL+PUT | 148,638 | 0.05% | 6q | +67.1%+$14.9M |
| PRUDENTIAL FINANCIAL INC | $35.7M | 181,276 | 0.04% | 34q | -77.6%-$123.9M |
| Rokos Capital Management LLP | $35.7M | 180,935 | 0.13% | 2q | +125.2%+$19.8M |
| Yaupon Capital Management LP | $35.5M | 180,204 | 0.70% | new | NEW |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $35.3M | 178,880 | 0.05% | 4q | +105.5%+$18.1M |
| Schonfeld Strategic Advisors LLC | $35.0M | 177,751 | 0.13% | 3q | +655.0%+$30.4M |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-10-27 | 13G/A | BlackRock, Inc. | 11.9% |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-02 | Fields Kimberly A | Chair, President and CEO | Sold | 59,749 | $10.7M ×6 |
| 2026-07-07 | Fields Kimberly A | Chair, President and CEO | Sold | 40,000 | $7.3M ×10 |
| 2026-05-11 | Fields Kimberly A | President, CEO and Director | Sold | 40,000 | $6.4M ×7 |
| 2026-07-28 | Fields Kimberly A | Chair, President and CEO | Sold | 31,757 | $6.1M |
| 2026-08-17 | Fields Kimberly A | Chair, President and CEO | Sold | 24,845 | $5.7M ×5 |
| 2026-08-31 | Harris Timothy J | Senior VP and CDIO | Sold | 16,500 | $3.5M |
| 2026-09-08 | Harris Timothy J | Senior VP and CDIO | Sold | 16,500 | $3.4M |
| 2026-08-24 | Harris Timothy J | Senior VP and CDIO | Sold | 16,500 | $3.4M |
| 2026-09-14 | Harris Timothy J | Senior VP and CDIO | Sold | 16,500 | $3.2M |
| 2026-06-22 | Fields Kimberly A | Chair, President and CEO | Sold | 13,269 | $2.7M |
| 2026-09-21 | Harris Timothy J | Senior VP and CDIO | Sold | 9,000 | $1.7M |
| 2026-06-24 | Fields Kimberly A | Chair, President and CEO | Sold | 3,783 | $746.0K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 257 | $803.1M | 4,243,785 | 56 | 88 | 62 | 0.0% |
| Q2 2026 | 801 | $25.5B | 128,319,953 | 167 | 302 | 217 | 1.3% |
| Q1 2026 | 684 | $18.7B | 127,383,651 | 157 | 237 | 184 | 1.3% |
| Q4 2025 | 575 | $15.0B | 128,596,671 | 127 | 163 | 181 | 1.7% |
| Q3 2025 | 476 | $10.7B | 129,118,085 | 88 | 142 | 150 | 2.2% |
| Q2 2025 | 484 | $12.0B | 134,946,978 | 114 | 117 | 183 | 2.7% |
| Q1 2025 | 430 | $7.0B | 134,171,949 | 87 | 152 | 119 | 0.6% |
| Q4 2024 | 406 | $7.5B | 136,431,125 | 58 | 127 | 126 | 0.2% |
| Q3 2024 | 425 | $9.0B | 133,223,462 | 67 | 123 | 148 | 0.7% |
| Q2 2024 | 408 | $7.4B | 132,455,378 | 85 | 118 | 148 | 0.7% |
| Q1 2024 | 350 | $7.1B | 139,025,617 | 49 | 107 | 117 | 0.5% |
| Q4 2023 | 351 | $6.2B | 136,701,958 | 38 | 102 | 118 | 0.5% |
| Q3 2023 | 346 | $5.5B | 133,171,247 | 35 | 99 | 130 | 1.0% |
| Q2 2023 | 337 | $6.0B | 134,551,648 | 42 | 86 | 120 | 1.0% |
| Q1 2023 | 348 | $5.5B | 136,655,160 | 67 | 92 | 120 | 1.1% |
| Q4 2022 | 308 | $4.0B | 132,329,655 | 49 | 78 | 121 | 1.1% |
| Q3 2022 | 283 | $4.3B | 159,957,795 | 49 | 91 | 94 | 1.4% |
| Q2 2022 | 263 | $3.6B | 156,366,649 | 35 | 69 | 105 | 1.7% |
| Q1 2022 | 282 | $4.1B | 149,922,183 | 72 | 63 | 102 | 1.8% |
| Q4 2021 | 237 | $3.3B | 208,393,731 | 27 | 80 | 76 | 0.5% |
| Q3 2021 | 235 | $3.9B | 230,769,231 | 25 | 69 | 81 | 0.8% |
| Q2 2021 | 239 | $5.4B | 255,512,533 | 32 | 59 | 89 | 0.8% |
| Q1 2021 | 233 | $4.0B | 185,995,544 | 32 | 60 | 89 | 1.2% |
| Q4 2020 | 239 | $3.3B | 195,222,415 | 33 | 63 | 77 | 1.4% |
| Q3 2020 | 222 | $1.7B | 156,191,266 | 25 | 79 | 64 | 19.8% |
| Q2 2020 | 241 | $3.2B | 286,852,278 | 46 | 80 | 82 | 9.5% |
| Q1 2020 | 254 | $3.1B | 320,452,610 | 32 | 85 | 93 | 11.5% |
| Q4 2019 | 281 | $4.4B | 207,944,970 | 39 | 93 | 84 | 1.9% |
| Q3 2019 | 273 | $4.3B | 205,719,067 | 31 | 82 | 92 | 2.4% |
| Q2 2019 | 294 | $5.5B | 210,137,652 | 32 | 93 | 99 | 2.9% |
| Q1 2019 | 315 | $5.5B | 211,137,020 | 60 | 89 | 100 | 0.9% |
| Q4 2018 | 284 | $4.7B | 213,209,627 | 3 | 4 | 5 | 1.0% |