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 |
|---|---|---|---|---|---|
| Czech National Bank | 25,507 | $822.6K | 0.01% | +25,507 | New |
| Amalgamated Bank | 25,557 | $824.0K | 0.01% | +25,557 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 27,001 | $870.8K | 0.02% | +27,001 | New |
| Investment Management Corp of Ontario | 27,056 | $872.6K | 0.02% | +27,056 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 27,258 | $879.1K | 0.01% | +27,258 | New |
| Quantinno Capital Management LP | 27,293 | $880.2K | 0.01% | +27,293 | New |
| Retirement Systems of Alabama | 27,324 | $881.2K | 0.00% | +27,324 | New |
| United Asset Strategies, Inc. | 28,770 | $927.8K | 0.09% | +28,770 | New |
| Blair William & Co | 29,437 | $949.4K | 0.00% | +29,437 | New |
| Corebridge Financial, Inc. | 31,084 | $1.00M | 0.01% | +31,084 | New |
| Intech Investment Management LLC | 31,245 | $1.01M | 0.01% | +31,245 | New |
| Creative Planning | 31,269 | $1.01M | 0.00% | +31,269 | New |
| Mitsubishi UFJ Trust & Banking Corp | 31,324 | $1.01M | 0.00% | +31,324 | New |
| Louisbourg Investments Inc. | 38,368 | $1.02M | 0.26% | +38,368 | New |
| MetLife Investment Management | 32,546 | $1.05M | 0.01% | +32,546 | New |
| Oppenheimer Asset Management Inc. | 32,927 | $1.06M | 0.01% | +32,927 | New |
| Resona Asset Management Co.,Ltd. | 33,376 | $1.08M | 0.01% | +33,376 | New |
| Wesbanco Bank Inc | 33,896 | $1.09M | 0.04% | +33,896 | New |
| State of Michigan Retirement System | 34,099 | $1.10M | 0.01% | +34,099 | New |
| Berger Financial Group, Inc | 34,920 | $1.13M | 0.08% | +34,920 | New |
| Malaga Cove Capital, LLC | 35,006 | $1.13M | 0.45% | +35,006 | New |
| Daiwa Securities Group Inc. | 35,390 | $1.14M | 0.01% | +35,390 | New |
| Nisa Investment Advisors, LLC | 35,787 | $1.15M | 0.01% | +35,787 | New |
| Arizona State Retirement System | 35,874 | $1.16M | 0.01% | +35,874 | New |
| Qube Research & Technologies Ltd | 35,958 | $1.16M | 0.00% | +35,958 | New |
| CI Private Wealth, LLC | 36,005 | $1.16M | 0.00% | +36,005 | New |
| AXA S.A. | 36,585 | $1.18M | 0.00% | +36,585 | New |
| Aristotle Capital Boston, LLC | 45,678 | $1.19M | 0.04% | +45,678 | New |
| SFE Investment Counsel | 37,090 | $1.20M | 0.25% | +37,090 | New |
| Scopus Asset Management, L.P. | 37,282 | $1.20M | 0.04% | +37,282 | New |
| Marco Investment Management LLC | 38,285 | $1.23M | 0.11% | +38,285 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 38,382 | $1.24M | 0.00% | +38,382 | New |
| American Trust Investment Advisors, LLC | 38,414 | $1.24M | 0.51% | +38,414 | New |
| Squarepoint Ops LLC | 39,335 | $1.27M | 0.00% | +39,335 | New |
| Modera Wealth Management, LLC | 40,543 | $1.31M | 0.02% | +40,543 | New |
| Granite Investment Partners, LLC | 40,871 | $1.32M | 0.06% | +40,871 | New |
| Stephens Inc | 40,926 | $1.32M | 0.02% | +40,926 | New |
| Hikari Tsushin, Inc. | 41,201 | $1.33M | 0.09% | +41,201 | New |
| Robeco Institutional Asset Management B.V. | 41,443 | $1.34M | 0.00% | +41,443 | New |
| QRG Capital Management, Inc. | 41,773 | $1.35M | 0.01% | +41,773 | New |
| The PNC Financial Services Group, Inc. | 43,322 | $1.40M | 0.00% | +43,322 | New |
| State of New Jersey Common Pension Fund D | 43,336 | $1.40M | 0.01% | +43,336 | New |
| Ensign Peak Advisors, Inc | 43,689 | $1.41M | 0.00% | +43,689 | New |
| WSFS Capital Management, LLC | 44,087 | $1.42M | 0.08% | +44,087 | New |
| Oppenheimer & Co Inc | 45,633 | $1.47M | 0.02% | +45,633 | New |
| HighTower Advisors, LLC | 45,903 | $1.48M | 0.00% | +45,903 | New |
| Toronto Dominion Bank | 46,923 | $1.51M | 0.00% | +46,923 | New |
| Bridgewater Associates, LP | 48,532 | $1.57M | 0.01% | +48,532 | New |
| National Philanthropic Trust | 48,663 | $1.57M | 0.03% | +48,663 | New |
| Toth Financial Advisory Corp | 48,956 | $1.58M | 0.19% | +48,956 | New |
| Susquehanna International Group, LLP | 48,999 | $1.58M | 0.00% | +48,999 | New |
| Pictet Asset Management Holding SA | 49,666 | $1.60M | 0.00% | +49,666 | New |
| Federated Hermes, Inc. | 50,833 | $1.64M | 0.00% | +50,833 | New |
| Hahn Capital Management LLC | 52,286 | $1.69M | 1.09% | +52,286 | New |
| Paragon Capital Management LLC | 52,756 | $1.70M | 0.88% | +52,756 | New |
| Truist Financial Corp | 54,200 | $1.75M | 0.00% | +54,200 | New |
| Treasurer of the State of North Carolina | 54,473 | $1.76M | 0.01% | +54,473 | New |
| McKinley Carter Wealth Services, Inc. | 54,707 | $1.76M | 0.11% | +54,707 | New |
| Bancreek Capital Management, LP | 55,288 | $1.78M | 1.13% | +55,288 | New |
| Clifford Swan Investment Counsel LLC | 55,550 | $1.79M | 0.06% | +55,550 | New |
| Royal London Asset Management Ltd | 55,672 | $1.80M | 0.00% | +55,672 | New |
| Jane Street Group, LLC | 57,147 | $1.84M | 0.00% | +57,147 | New |
| Cubist Systematic Strategies, LLC | 58,116 | $1.87M | 0.03% | +58,116 | New |
| Carmel Capital Management L.L.C. | 58,833 | $1.90M | 0.71% | +58,833 | New |
| Greenwood Gearhart Inc | 60,733 | $1.96M | 0.16% | +60,733 | New |
| Mariner, LLC | 64,903 | $2.09M | 0.00% | +64,903 | New |
| Wharton Business Group, LLC | 65,295 | $2.11M | 0.09% | +65,295 | New |
| Stifel Financial Corp | 65,318 | $2.11M | 0.00% | +65,318 | New |
| Evergreen Capital Management LLC | 65,330 | $2.11M | 0.07% | +65,330 | New |
| Chevy Chase Trust Holdings, Inc. | 67,201 | $2.17M | 0.01% | +67,201 | New |
| Janney Montgomery Scott LLC | 67,549 | $2.18M | 0.01% | +67,549 | New |
| Forte Capital LLC | 67,812 | $2.19M | 0.25% | +67,812 | New |
| CSM Advisors, LLC | 85,622 | $2.20M | 0.14% | +85,622 | New |
| Balyasny Asset Management LLC | 69,249 | $2.23M | 0.01% | +69,249 | New |
| ZWJ Investment Counsel Inc | 69,967 | $2.26M | 0.09% | +69,967 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 82,096 | $2.43M | 0.01% | +82,096 | New |
| Asset Management One Co.,Ltd. | 76,777 | $2.48M | 0.01% | +76,777 | New |
| Cullen/Frost Bankers, Inc. | 76,932 | $2.48M | 0.03% | +76,932 | New |
| Russell Investments Group, Ltd. | 77,391 | $2.50M | 0.00% | +77,391 | New |
| New York State Common Retirement Fund | 78,521 | $2.53M | 0.00% | +78,521 | New |
| Prudential Financial Inc | 78,745 | $2.54M | 0.00% | +78,745 | New |
| Manufacturers Life Insurance Company, The | 79,030 | $2.55M | 0.00% | +79,030 | New |
| Advisors Asset Management, Inc. | 79,252 | $2.56M | 0.05% | +79,252 | New |
| FMR LLC | 79,315 | $2.56M | 0.00% | +79,315 | New |
| Commonwealth Equity Services, LLC | 79,798 | $2.57M | 0.00% | +79,798 | New |
| Crestwood Advisors Group LLC | 80,071 | $2.58M | 0.05% | +80,071 | New |
| Cerity Partners LLC | 80,863 | $2.61M | 0.01% | +80,863 | New |
| Panagora Asset Management Inc | 81,538 | $2.63M | 0.01% | +81,538 | New |
| Jacobs Levy Equity Management, Inc | 82,399 | $2.66M | 0.01% | +82,399 | New |
| Wedge Capital Management L L P | 83,542 | $2.69M | 0.05% | +83,542 | New |
| Badgley Phelps Wealth Managers, LLC | 86,216 | $2.78M | 0.06% | +86,216 | New |
| D. E. Shaw & Co., Inc. | 86,390 | $2.79M | 0.00% | +86,390 | New |
| Telos Capital Management, Inc. | 88,292 | $2.85M | 0.30% | +88,292 | New |
| Neville Rodie & Shaw Inc | 89,977 | $2.90M | 0.21% | +89,977 | New |
| North Growth Management Ltd. | 93,000 | $3.00M | 0.56% | +93,000 | New |
| Sterling Capital Management LLC | 93,230 | $3.01M | 0.04% | +93,230 | New |
| Everett Harris & Co | 101,793 | $3.28M | 0.04% | +101,793 | New |
| Eastern Bank | 103,115 | $3.33M | 0.06% | +103,115 | New |
| LPL Financial LLC | 104,145 | $3.36M | 0.00% | +104,145 | New |
| Mackenzie Financial Corp | 104,687 | $3.38M | 0.00% | +104,687 | New |