Amentum Holdings, Inc.
AMTM- Exchange
- NYSE
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0002011286
No open-market purchases or sales by Amentum Holdings, Inc. insiders were filed in the last 90 days; 464 institutions reported holding it in 13F filings for Q2 2026, worth $4.34B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q3 2024
Institutional positions in Amentum Holdings, Inc. as of Sep 30, 2024. 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
- 492
- +492 vs. Q2 2024
- Shares held
- 100.6M
- +100.6M vs. Q2 2024
- Total value
- $3.23B
- +$3.23B vs. Q2 2024
- New holders
- 492
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMTM 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 | 464 | $4.34B |
| Q1 2026 | 486 | $5.28B |
| Q4 2025 | 483 | $5.64B |
| Q3 2025 | 462 | $4.63B |
| Q2 2025 | 461 | $4.73B |
| Q1 2025 | 418 | $3.49B |
| Q4 2024 | 451 | $3.48B |
| Q3 2024 | 492 | $3.23B |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2024
Shares, value and share of portfolio for each institution holding Amentum Holdings, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Badgley Phelps Wealth Managers, LLC | 86,216 | $2.78M | 0.06% | +86,216 | New |
| Wedge Capital Management L L P | 83,542 | $2.69M | 0.05% | +83,542 | New |
| Jacobs Levy Equity Management, Inc | 82,399 | $2.66M | 0.01% | +82,399 | New |
| Panagora Asset Management Inc | 81,538 | $2.63M | 0.01% | +81,538 | New |
| Cerity Partners LLC | 80,863 | $2.61M | 0.01% | +80,863 | New |
| Crestwood Advisors Group LLC | 80,071 | $2.58M | 0.05% | +80,071 | New |
| Commonwealth Equity Services, LLC | 79,798 | $2.57M | 0.00% | +79,798 | New |
| FMR LLC | 79,315 | $2.56M | 0.00% | +79,315 | New |
| Advisors Asset Management, Inc. | 79,252 | $2.56M | 0.05% | +79,252 | New |
| Manufacturers Life Insurance Company, The | 79,030 | $2.55M | 0.00% | +79,030 | New |
| Prudential Financial Inc | 78,745 | $2.54M | 0.00% | +78,745 | New |
| New York State Common Retirement Fund | 78,521 | $2.53M | 0.00% | +78,521 | New |
| Russell Investments Group, Ltd. | 77,391 | $2.50M | 0.00% | +77,391 | New |
| Cullen/Frost Bankers, Inc. | 76,932 | $2.48M | 0.03% | +76,932 | New |
| Asset Management One Co.,Ltd. | 76,777 | $2.48M | 0.01% | +76,777 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 82,096 | $2.43M | 0.01% | +82,096 | New |
| ZWJ Investment Counsel Inc | 69,967 | $2.26M | 0.09% | +69,967 | New |
| Balyasny Asset Management LLC | 69,249 | $2.23M | 0.01% | +69,249 | New |
| CSM Advisors, LLC | 85,622 | $2.20M | 0.14% | +85,622 | New |
| Forte Capital LLC | 67,812 | $2.19M | 0.25% | +67,812 | New |
| Janney Montgomery Scott LLC | 67,549 | $2.18M | 0.01% | +67,549 | New |
| Chevy Chase Trust Holdings, Inc. | 67,201 | $2.17M | 0.01% | +67,201 | New |
| Evergreen Capital Management LLC | 65,330 | $2.11M | 0.07% | +65,330 | New |
| Stifel Financial Corp | 65,318 | $2.11M | 0.00% | +65,318 | New |
| Wharton Business Group, LLC | 65,295 | $2.11M | 0.09% | +65,295 | New |
| Mariner, LLC | 64,903 | $2.09M | 0.00% | +64,903 | New |
| Greenwood Gearhart Inc | 60,733 | $1.96M | 0.16% | +60,733 | New |
| Carmel Capital Management L.L.C. | 58,833 | $1.90M | 0.71% | +58,833 | New |
| Cubist Systematic Strategies, LLC | 58,116 | $1.87M | 0.03% | +58,116 | New |
| Jane Street Group, LLC | 57,147 | $1.84M | 0.00% | +57,147 | New |
| Royal London Asset Management Ltd | 55,672 | $1.80M | 0.00% | +55,672 | New |
| Clifford Swan Investment Counsel LLC | 55,550 | $1.79M | 0.06% | +55,550 | New |
| Bancreek Capital Management, LP | 55,288 | $1.78M | 1.13% | +55,288 | New |
| McKinley Carter Wealth Services, Inc. | 54,707 | $1.76M | 0.11% | +54,707 | New |
| Treasurer of the State of North Carolina | 54,473 | $1.76M | 0.01% | +54,473 | New |
| Truist Financial Corp | 54,200 | $1.75M | 0.00% | +54,200 | New |
| Paragon Capital Management LLC | 52,756 | $1.70M | 0.88% | +52,756 | New |
| Hahn Capital Management LLC | 52,286 | $1.69M | 1.09% | +52,286 | New |
| Federated Hermes, Inc. | 50,833 | $1.64M | 0.00% | +50,833 | New |
| Pictet Asset Management Holding SA | 49,666 | $1.60M | 0.00% | +49,666 | New |
| Susquehanna International Group, LLP | 48,999 | $1.58M | 0.00% | +48,999 | New |
| Toth Financial Advisory Corp | 48,956 | $1.58M | 0.19% | +48,956 | New |
| National Philanthropic Trust | 48,663 | $1.57M | 0.03% | +48,663 | New |
| Bridgewater Associates, LP | 48,532 | $1.57M | 0.01% | +48,532 | New |
| Toronto Dominion Bank | 46,923 | $1.51M | 0.00% | +46,923 | New |
| HighTower Advisors, LLC | 45,903 | $1.48M | 0.00% | +45,903 | New |
| Oppenheimer & Co Inc | 45,633 | $1.47M | 0.02% | +45,633 | New |
| WSFS Capital Management, LLC | 44,087 | $1.42M | 0.08% | +44,087 | New |
| Ensign Peak Advisors, Inc | 43,689 | $1.41M | 0.00% | +43,689 | New |
| State of New Jersey Common Pension Fund D | 43,336 | $1.40M | 0.01% | +43,336 | New |
| The PNC Financial Services Group, Inc. | 43,322 | $1.40M | 0.00% | +43,322 | New |
| QRG Capital Management, Inc. | 41,773 | $1.35M | 0.01% | +41,773 | New |
| Robeco Institutional Asset Management B.V. | 41,443 | $1.34M | 0.00% | +41,443 | New |
| Hikari Tsushin, Inc. | 41,201 | $1.33M | 0.09% | +41,201 | New |
| Stephens Inc | 40,926 | $1.32M | 0.02% | +40,926 | New |
| Granite Investment Partners, LLC | 40,871 | $1.32M | 0.06% | +40,871 | New |
| Modera Wealth Management, LLC | 40,543 | $1.31M | 0.02% | +40,543 | New |
| Squarepoint Ops LLC | 39,335 | $1.27M | 0.00% | +39,335 | New |
| American Trust Investment Advisors, LLC | 38,414 | $1.24M | 0.51% | +38,414 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 38,382 | $1.24M | 0.00% | +38,382 | New |
| Marco Investment Management LLC | 38,285 | $1.23M | 0.11% | +38,285 | New |
| Scopus Asset Management, L.P. | 37,282 | $1.20M | 0.04% | +37,282 | New |
| SFE Investment Counsel | 37,090 | $1.20M | 0.25% | +37,090 | New |
| Aristotle Capital Boston, LLC | 45,678 | $1.19M | 0.04% | +45,678 | New |
| AXA S.A. | 36,585 | $1.18M | 0.00% | +36,585 | New |
| CI Private Wealth, LLC | 36,005 | $1.16M | 0.00% | +36,005 | New |
| Qube Research & Technologies Ltd | 35,958 | $1.16M | 0.00% | +35,958 | New |
| Arizona State Retirement System | 35,874 | $1.16M | 0.01% | +35,874 | New |
| Nisa Investment Advisors, LLC | 35,787 | $1.15M | 0.01% | +35,787 | New |
| Daiwa Securities Group Inc. | 35,390 | $1.14M | 0.01% | +35,390 | New |
| Malaga Cove Capital, LLC | 35,006 | $1.13M | 0.45% | +35,006 | New |
| Berger Financial Group, Inc | 34,920 | $1.13M | 0.08% | +34,920 | New |
| State of Michigan Retirement System | 34,099 | $1.10M | 0.01% | +34,099 | New |
| Wesbanco Bank Inc | 33,896 | $1.09M | 0.04% | +33,896 | New |
| Resona Asset Management Co.,Ltd. | 33,376 | $1.08M | 0.01% | +33,376 | New |
| Oppenheimer Asset Management Inc. | 32,927 | $1.06M | 0.01% | +32,927 | New |
| MetLife Investment Management | 32,546 | $1.05M | 0.01% | +32,546 | New |
| Louisbourg Investments Inc. | 38,368 | $1.02M | 0.26% | +38,368 | New |
| Mitsubishi UFJ Trust & Banking Corp | 31,324 | $1.01M | 0.00% | +31,324 | New |
| Creative Planning | 31,269 | $1.01M | 0.00% | +31,269 | New |
| Intech Investment Management LLC | 31,245 | $1.01M | 0.01% | +31,245 | New |
| Corebridge Financial, Inc. | 31,084 | $1.00M | 0.01% | +31,084 | New |
| Blair William & Co | 29,437 | $949.4K | 0.00% | +29,437 | New |
| United Asset Strategies, Inc. | 28,770 | $927.8K | 0.09% | +28,770 | New |
| Retirement Systems of Alabama | 27,324 | $881.2K | 0.00% | +27,324 | New |
| Quantinno Capital Management LP | 27,293 | $880.2K | 0.01% | +27,293 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 27,258 | $879.1K | 0.01% | +27,258 | New |
| Investment Management Corp of Ontario | 27,056 | $872.6K | 0.02% | +27,056 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 27,001 | $870.8K | 0.02% | +27,001 | New |
| Amalgamated Bank | 25,557 | $824.0K | 0.01% | +25,557 | New |
| Czech National Bank | 25,507 | $822.6K | 0.01% | +25,507 | New |
| Ancora Advisors, LLC | 25,415 | $819.6K | 0.02% | +25,415 | New |
| Compass Wealth Management LLC | 24,937 | $804.2K | 0.19% | +24,937 | New |
| Sit Investment Associates Inc | 24,700 | $797.0K | 0.02% | +24,700 | New |
| TrinityPoint Wealth, LLC | 24,499 | $790.1K | 0.11% | +24,499 | New |
| Bryn Mawr Trust Co | 24,490 | $789.8K | 0.01% | +24,490 | New |
| Captrust Financial Advisors | 24,411 | $787.3K | 0.00% | +24,411 | New |
| Quest Partners LLC | 24,314 | $784.1K | 0.07% | +24,314 | New |
| Peak Asset Management, LLC | 24,000 | $774.0K | 0.15% | +24,000 | New |
| Toroso Investments, LLC | 23,827 | $768.4K | 0.01% | +23,827 | New |