Grantham, Mayo, Van Otterloo & Co. LLC
- SEC CIK
- 0001352662
- Latest filing
- Aug 13, 2026
AMTM holding history
Amentum Holdings, Inc. in every 13F filed by Grantham, Mayo, Van Otterloo & Co. LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMTM overviewAll 13F holders of AMTMFull Q2 2026 holdings
- Shares (Q2 2026)
- 21,601
- Value
- $446.5K
- % of portfolio
- <0.1%
- Quarters held
- 3
- Since Q3 2025
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 21,601 | $446.5K | <0.1% | +21,601 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −10,457−100.0% | Sold out | Holders |
| Q4 2025 | 10,457 | $303.3K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2025 | 10,457 | $250.4K | <0.1% | +10,457 | New | Holders |