Amentum Holdings Inc. – Investors and Politicians Who Own It
AMTM
Investors who own it
5 tracked investors, $17M in shares, each from their latest 13F.
| Investor | Value | Share of portfolio |
|---|---|---|
| $11.1M | 0.17% | |
George SorosSoros Fund Management, Q2 2026 | $2.4M | 0.03% |
Mario GabelliGAMCO Investors, Q2 2026 | $2M | 0.02% |
Ray DalioBridgewater Associates, Q2 2026 | $976.1K | 0.00% |
Jeremy GranthamGMO (Grantham Mayo Van Otterloo), Q2 2026 | $446.5K | 0.00% |
Politicians who own it
Estimated from annual disclosures and trades; values are rough estimates.
| Politician | Est. value | Share of portfolio |
|---|---|---|
Thomas H. Kean, Jr.R-NJ · House | $10.2K | 0.20% |
Investors buying and selling
| Investor | Action | Shares now |
|---|---|---|
| Ruane, Cunniff & Goldfarb (Sequoia Fund) | Reduced −32% | 1,622,982 |
| Lee Ainslie | New | 46,335 |
| George Soros | Reduced −1.6% | 107,606 |
| Jeremy Grantham | Sold out | 0 |
| Mario Gabelli | Added +3.8% | 95,331 |
| Ray Dalio | Reduced −6.6% | 17,052 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
| Politician | Action | Traded |
|---|---|---|
William R. KeatingD-MA · House | Sold$1K–$15K | Oct 31, 2024disclosed Nov 6, 2024 |
Thomas H. Kean, Jr.R-NJ · House | Exchange$1K–$15K | Sep 30, 2024disclosed Oct 15, 2024 |
Thomas H. Kean, Jr.R-NJ · House | Exchange$1K–$15K | Sep 30, 2024disclosed Oct 15, 2024 |
Thomas H. Kean, Jr.R-NJ · House | Exchange$1K–$15K | Sep 30, 2024disclosed Oct 15, 2024 |
Thomas H. Kean, Jr.R-NJ · House | Exchange$1K–$15K | Sep 30, 2024disclosed Oct 15, 2024 |