Ownership history in AVENIR CORP · 5 quarters on record
This page tracks every 13F SEC filing in which AVENIR CORP reported a position in AMENTUM HOLDINGS INC (AMTM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 850,944 | -11,509 | -1.3% | 2.68% | $24.7M | $29.00 |
| 2025 Q3 | REDUCED | 862,453 | -32,899 | -3.7% | 2.15% | $20.7M | $23.95 |
| 2025 Q2 | REDUCED | 895,352 | -8,810 | -1.0% | 2.17% | $21.1M | $23.61 |
| 2025 Q1 | ADDED | 904,162 | +710,692 | +367.3% | 1.73% | $16.5M | $18.20 |
As of 2025 Q4 — sorted by position size