Amentum Holdings Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| INVESCO LTD. | 08/14/2026 | 24.95 M | $515.80 M | 16.21% | 10.23% |
| BLACKROCK, INC. | 08/07/2026 | 17.91 M | $370.14 M | 0.37% | 7.34% |
| PRIMECAP MANAGEMENT CO/CA/ | 08/14/2026 | 12.29 M | $253.94 M | 1.66% | 5.04% |
| LEGACY ADVISORS, LLC | 07/24/2026 | 9.07 M | $9.07 M | 0.02% | 3.72% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 7.95 M | $164.29 M | 1.22% | 3.26% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 6.71 M | $138.74 M | 0.92% | 2.75% |
| FMR LLC | 08/13/2026 | 5.68 M | $117.39 M | 1.81% | 2.33% |
| DIMENSIONAL FUND ADVISORS LP | 08/11/2026 | 5.54 M | $114.46 M | 46.21% | 2.27% |
| STATE STREET CORP | 08/07/2026 | 5.15 M | $106.49 M | 1.43% | 2.11% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 08/14/2026 | 4.14 M | $85.66 M | -15.95% | 1.70% |
| TROLUCE CAPITAL ADVISORS LLC | 08/14/2026 | 3.57 M | $73.70 M | 256.54% | 1.46% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 2.72 M | $56.17 M | -3.48% | 1.11% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 2.71 M | $56.05 M | 139.68% | 1.11% |
| MORGAN STANLEY | 08/13/2026 | 2.66 M | $55.03 M | 19.12% | 1.09% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 08/14/2026 | 2.32 M | $47.93 M | -16.75% | 0.95% |
| THOMPSON SIEGEL & WALMSLEY LLC | 08/11/2026 | 2.28 M | $47.17 M | 49.55% | 0.94% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 2.13 M | $43.98 M | 237.18% | 0.87% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 08/14/2026 | 2.12 M | $43.82 M | 2.52% | 0.87% |
| SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 08/14/2026 | 2.12 M | $43.82 M | 100.00% | 0.87% |
| THRIVENT FINANCIAL FOR LUTHERANS | 08/14/2026 | 2.11 M | $43.53 M | 0.25% | 0.86% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 2.04 M | $42.23 M | -15.06% | 0.84% |
| SEGRA CAPITAL MANAGEMENT, LLC | 08/12/2026 | 2.04 M | $42.12 M | 26.36% | 0.84% |
| VERITION FUND MANAGEMENT LLC | 08/14/2026 | 2.02 M | $41.74 M | 55.58% | 0.83% |
| VAN ECK ASSOCIATES CORP | 08/14/2026 | 1.99 M | $41.11 M | 263.17% | 0.82% |
| VOYA INVESTMENT MANAGEMENT LLC | 08/12/2026 | 1.97 M | $40.81 M | 64.59% | 0.81% |
| UBS GROUP AG | 08/13/2026 | 1.55 M | $31.94 M | -9.68% | 0.63% |
| NORGES BANK | 08/12/2026 | 1.52 M | $31.34 M | 100.00% | 0.62% |
| PERMIAN INVESTMENT PARTNERS, LP | 08/14/2026 | 1.43 M | $29.62 M | -8.55% | 0.59% |
| 683 CAPITAL MANAGEMENT, LLC | 08/14/2026 | 1.10 M | $22.74 M | 41.94% | 0.45% |
| LOOMIS SAYLES & CO L P | 08/14/2026 | 1.04 M | $21.55 M | -3.59% | 0.43% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 08/14/2026 | 1.03 M | $21.38 M | 1,236.96% | 0.42% |
| NORTHERN TRUST CORP | 08/13/2026 | 1.03 M | $21.29 M | 4.65% | 0.42% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 968.45 K | $20.02 M | 2.22% | 0.40% |
| CACTI ASSET MANAGEMENT LLC | 07/01/2026 | 881.69 K | $18.22 M | 0.00% | 0.36% |
| BANK OF NEW YORK MELLON CORP | 08/06/2026 | 878.08 K | $18.15 M | -3.36% | 0.36% |
| RUSSELL INVESTMENTS GROUP, LTD. | 08/06/2026 | 840.64 K | $17.38 M | 17.77% | 0.34% |
| AVENIR CORP | 08/13/2026 | 811.73 K | $16.78 M | -3.49% | 0.33% |
| WELLS FARGO & COMPANY/MN | 08/14/2026 | 750.21 K | $15.51 M | 17.83% | 0.31% |
| PRINCIPAL FINANCIAL GROUP INC | 08/04/2026 | 742.38 K | $15.35 M | -0.32% | 0.30% |
| ANCORA ADVISORS, LLC | 08/14/2026 | 715.65 K | $14.79 M | 1.78% | 0.29% |
| ROYCE & ASSOCIATES LP | 08/14/2026 | 697.37 K | $14.41 M | 26.85% | 0.29% |
| HRT FINANCIAL LP | 08/14/2026 | 671.85 K | $13.89 M | 100.00% | 0.28% |
| CITADEL ADVISORS LLC | 08/14/2026 | 670.68 K | $13.86 M | 731.72% | 0.27% |
| POINT72 ASSET MANAGEMENT, L.P. | 08/14/2026 | 649.98 K | $13.44 M | -60.14% | 0.27% |
| AQR CAPITAL MANAGEMENT LLC | 08/14/2026 | 601.90 K | $12.42 M | 18.52% | 0.25% |
| FIRST TRUST ADVISORS LP | 08/11/2026 | 547.91 K | $11.33 M | 140.22% | 0.22% |
| RUANE, CUNNIFF & GOLDFARB L.P. | 08/14/2026 | 537.21 K | $11.10 M | -66.90% | 0.22% |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 08/13/2026 | 528.82 K | $10.93 M | -3.82% | 0.22% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 516.50 K | $10.68 M | 20.56% | 0.21% |
| LOEWS CORP | 08/14/2026 | 500.00 K | $10.34 M | 100.00% | 0.20% |
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Amentum Holdings Inc. institutional Ownership - FAQ's
During the previous two years, 588 institutional investors and hedge funds held shares of Amentum Holdings Inc.. The most heavily invested institutionals were:
Invesco Ltd.: 24.95 M
BlackRock, Inc.: 17.91 M
PRIMECAP MANAGEMENT CO/CA/: 12.29 M
Legacy Advisors, LLC: 9.07 M
VANGUARD PORTFOLIO MANAGEMENT LLC: 7.95 M
VANGUARD CAPITAL MANAGEMENT LLC: 6.71 M
72.09% of Amentum Holdings Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 238.19 M shares in the last 24 months. This purchase volume represents approximately $7.22 B in transactions.