Who Holds Amentum Holdings, Inc. (AMTM)? 460 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 460 holders, $4.2 billion in total.
Largest holders
The 100 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| AMERICAN SECURITIES LLC | 45,026,743 | $931 million | +0% | 13F |
| Invesco Ltd. | 24,954,251 | $516 million | +16% | 13F |
| BlackRock, Inc. | 17,906,984 | $370 million | +0% | 13F |
| PRIMECAP MANAGEMENT CO/CA/ | 12,285,504 | $254 million | +2% | 13F |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7,948,385 | $164 million | +1% | 13F |
| VANGUARD CAPITAL MANAGEMENT LLC | 6,711,987 | $139 million | +1% | 13F |
| FMR LLC | 5,679,175 | $117 million | +2% | 13F |
| DIMENSIONAL FUND ADVISORS LP | 5,537,696 | $114 million | +46% | 13F |
| STATE STREET CORP | 5,151,772 | $106 million | +1% | 13F |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 4,143,971 | $86 million | -16% | 13F |
| Troluce Capital Advisors LLC | 3,565,399 | $74 million | +257% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 2,716,560 | $56 million | -3% | 13F |
| GOLDMAN SACHS GROUP INC | 2,711,866 | $56 million | +140% | 13F |
| MORGAN STANLEY | 2,662,329 | $55 million | +19% | 13F |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2,318,581 | $48 million | -17% | 13F |
| MILLENNIUM MANAGEMENT LLC | 2,127,779 | $44 million | +237% | 13F |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2,120,102 | $44 million | +3% | 13F |
| BANK OF AMERICA CORP /DE/ | 2,042,897 | $42 million | -15% | 13F |
| SEGRA CAPITAL MANAGEMENT, LLC | 2,037,890 | $42 million | +26% | 13F |
| Verition Fund Management LLC | 2,019,334 | $42 million | +56% | 13F |
| VAN ECK ASSOCIATES CORP | 1,988,898 | $41 million | +263% | 13F |
| VOYA INVESTMENT MANAGEMENT LLC | 1,974,191 | $41 million | +65% | 13F |
| UBS Group AG | 1,545,183 | $32 million | -10% | 13F |
| NORGES BANK | 1,516,193 | $31 million | New | 13F |
| Permian Investment Partners, LP | 1,433,028 | $30 million | -9% | 13F |
| 683 Capital Management, LLC | 1,100,000 | $23 million | +42% | 13F |
| LOOMIS SAYLES & CO L P | 1,042,522 | $22 million | -4% | 13F |
| Qube Research & Technologies Ltd | 1,034,395 | $21 million | +1237% | 13F |
| NORTHERN TRUST CORP | 1,029,892 | $21 million | +5% | 13F |
| VANGUARD FIDUCIARY TRUST CO | 968,451 | $20 million | +2% | 13F |
| CACTI ASSET MANAGEMENT LLC | 881,692 | $18 million | +0% | 13F |
| Bank of New York Mellon Corp | 878,084 | $18 million | -3% | 13F |
| Russell Investments Group, Ltd. | 840,642 | $17 million | +18% | 13F |
| AVENIR CORP | 811,726 | $17 million | -3% | 13F |
| WELLS FARGO & COMPANY/MN | 750,214 | $16 million | +18% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | 742,381 | $15 million | 0% | 13F |
| Ancora Advisors LLC | 715,652 | $15 million | +2% | 13F |
| ROYCE & ASSOCIATES LP | 697,368 | $14 million | +27% | 13F |
| CITADEL ADVISORS LLC | 670,684 | $14 million | +732% | 13F |
| Point72 Asset Management, L.P. | 649,984 | $13 million | -60% | 13F |
| AQR CAPITAL MANAGEMENT LLC | 601,900 | $12 million | +19% | 13F |
| FIRST TRUST ADVISORS LP | 547,907 | $11 million | +140% | 13F |
| Ruane, Cunniff & Goldfarb L.P. | 537,213 | $11 million | -67% | 13F |
| Public Sector Pension Investment Board | 528,821 | $11 million | -4% | 13F |
| Loews Corp | 500,000 | $10 million | New | 13F |
| SHAPIRO CAPITAL MANAGEMENT LLC | 475,970 | $10 million | New | 13F |
| FIRST NATIONAL BANK OF OMAHA | 475,992 | $10 million | +92% | 13F |
| Legacy Advisors, LLC | 9,065,677 | $9 million | +0% | 13F |
| Nuveen, LLC | 421,495 | $9 million | -52% | 13F |
| Arvin Capital Management LP | 416,705 | $9 million | -80% | 13F |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 402,130 | $8 million | +20% | 13F |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 394,370 | $8 million | +81% | 13F |
| BOOTHBAY FUND MANAGEMENT, LLC | 387,973 | $8 million | +350% | 13F |
| De Lisle Partners LLP | 374,818 | $8 million | -1% | 13F |
| Vident Advisory, LLC | 372,918 | $8 million | -4% | 13F |
| Mawer Investment Management Ltd. | 369,557 | $8 million | +11% | 13F |
| MOORE CAPITAL MANAGEMENT, LP | 365,096 | $8 million | -58% | 13F |
| Legal & General Group Plc | 349,048 | $7 million | +4% | 13F |
| JANE STREET GROUP, LLC | 343,687 | $7 million | +79% | 13F |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 332,452 | $7 million | +1% | 13F |
| CenterBook Partners LP | 328,766 | $7 million | +129% | 13F |
| AMERIPRISE FINANCIAL INC | 319,479 | $7 million | -3% | 13F |
| GRIZZLYROCK CAPITAL, LLC | 318,363 | $7 million | +10% | 13F |
| Swiss National Bank | 318,091 | $7 million | +1% | 13F |
| Rovida Investment Management Ltd | 315,000 | $7 million | +0% | 13F |
| Aristotle Capital Boston, LLC | 307,836 | $6 million | -11% | 13F |
| EXCHANGE TRADED CONCEPTS, LLC | 305,286 | $6 million | +3% | 13F |
| TWO SIGMA INVESTMENTS, LP | 284,268 | $6 million | -68% | 13F |
| RHUMBLINE ADVISERS | 284,060 | $6 million | -5% | 13F |
| FIFTH THIRD BANCORP | 281,815 | $6 million | +3% | 13F |
| California Public Employees Retirement System | 266,383 | $6 million | -4% | 13F |
| Hudson Value Partners, LLC | 250,185 | $5 million | +23% | 13F |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 249,725 | $5 million | +1% | 13F |
| AWH Capital, L.P. | 235,250 | $5 million | +0% | 13F |
| ExodusPoint Capital Management, LP | 226,289 | $5 million | New | 13F |
| RAYMOND JAMES FINANCIAL INC | 224,399 | $5 million | -9% | 13F |
| Hel Ved Capital Management Ltd | 214,000 | $4 million | +20% | 13F |
| D. E. Shaw & Co., Inc. | 191,488 | $4 million | +189% | 13F |
| SEI INVESTMENTS CO | 190,069 | $4 million | -35% | 13F |
| WEDGE CAPITAL MANAGEMENT L L P/NC | 187,832 | $4 million | +14% | 13F |
| Verbena Value LP | 186,200 | $4 million | New | 13F |
| Telos Capital Management, Inc. | 185,611 | $4 million | -2% | 13F |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 183,223 | $4 million | -1% | 13F |
| OpenArc Corporate Advisory, LLC | 170,291 | $4 million | 0% | 13F |
| Brevan Howard Capital Management LP | 167,354 | $3 million | +117% | 13F |
| Atom Investors LP | 160,876 | $3 million | +605% | 13F |
| Gotham Asset Management, LLC | 156,113 | $3 million | -70% | 13F |
| BARCLAYS PLC | 151,780 | $3 million | +224% | 13F |
| Soviero Asset Management, LP | 150,000 | $3 million | -37% | 13F |
| OPPENHEIMER & CO INC | 142,974 | $3 million | -15% | 13F |
| Bryn Mawr Trust Advisors, LLC | 141,443 | $3 million | +21% | 13F |
| PRUDENTIAL FINANCIAL INC | 139,950 | $3 million | 0% | 13F |
| Focus Partners Wealth | 138,344 | $3 million | -95% | 13F |
| Vanguard Global Advisers, LLC | 137,394 | $3 million | +124% | 13F |
| VANGUARD ASSET MANAGEMENT, Ltd | 127,793 | $3 million | +0% | 13F |
| JPMORGAN CHASE & CO | 119,174 | $3 million | +41% | 13F |
| SOROS FUND MANAGEMENT LLC | 118,276 | $2 million | +10% | 13F |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 117,135 | $2 million | -3% | 13F |
| ALGERT GLOBAL LLC | 102,220 | $2 million | +1% | 13F |
| ALLIANCEBERNSTEIN L.P. | 79,944 | $2 million | +8% | 13F |
Questions and answers
- How many institutions hold Amentum Holdings, Inc.?
- 460 managers reported Amentum Holdings, Inc. on Form 13F for the quarter ended 30 June 2026, against 487 the quarter before.
- Who is the largest institutional holder of Amentum Holdings, Inc.?
- AMERICAN SECURITIES LLC, with 45,026,743 shares worth $931 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Amentum Holdings, Inc. in Q2 2026?
- 59 managers reported a new position and 86 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Amentum Holdings, Inc., Q2 2026", https://app.tamarly.ai/holders/amentum, built from SEC EDGAR.
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