Whitebox Advisors LLC
- SEC CIK
- 0001257391
- Latest filing
- Aug 14, 2026
IMSR holding history
Terrestrial Energy Inc. in every 13F filed by Whitebox Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
IMSR overviewAll 13F holders of IMSRFull Q2 2026 holdings
- Shares (Q4 2025)
- 0
- Sold out in Q4 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 4
- Since Q4 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 0 | $0 | 0.0% | −115,000−100.0% | Sold out | Holders |
| Q3 2025 | 115,000 | $1.89M | <0.1% | −203,914−63.9% | Reduced | Holders |
| Q2 2025 | 318,914 | $3.54M | 0.1% | −81,086−20.3% | Reduced | Holders |
| Q1 2025 | 400,000 | $4.21M | 0.1% | 00.0% | Unchanged | Holders |
| Q4 2024 | 400,000 | $4.01M | 0.1% | +400,000 | New | Holders |