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Amentum Holdings, Inc. (AMTM) Institutional Holdings & 13F Ownership
Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the. Review AMTM institutional holders, 13F ownership, and position changes on Finoriq.
Company Snapshot
Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients. It also provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management for the U.S. government and allied nations. The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.
- Company
- Amentum Holdings, Inc. (AMTM)
- Ticker
- AMTM
- Market Cap
- $5.2B
- Latest Price
- $21.1
- Industry
- Business Services
Amentum Holdings, Inc. (AMTM) Top Institutional Holders
Top current 13F holders indexed for Amentum Holdings, Inc. (AMTM). Latest period 2026-03-31.
| Rank | Investor | Value | Portfolio | Filing |
|---|---|---|---|---|
| 1 | Ruane Cunniff (advisor level)CIK 0001720792 | $42.3M | 0.7% | Filing2026-05-15 |
| 2 | Joel GreenblattCIK 0001510387 | $13.6M | 0.04% | Filing2026-05-15 |
| 3 | Hotchkis & WileyCIK 0001164833 | $8.7M | 0.03% | Filing2026-05-15 |
| 4 | George SorosCIK 0001029160 | $2.8M | 0.03% | Filing2026-05-15 |
| 5 | Lee AinslieCIK 0000934639 | $1.2M | 0.01% | Filing2026-05-15 |
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