Terrestrial Energy Inc.
IMSRW- Exchange
- Nasdaq
- Industry
- Fabricated Plate Work (Boiler Shops)
- SEC CIK
- 0002019804
No open-market purchases or sales by Terrestrial Energy Inc. insiders were filed in the last 90 days; 24 institutions reported holding it in 13F filings for Q2 2026, worth $43.3M in total; no superinvestor holds it.
Other share classesIMSR
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −2 vs. previous quarter
- 24
- 13F valueReported value at the end of Q2 2026
- $43.3M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding IMSRW, Q2 2026
No superinvestor reported holding IMSRW at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Terrestrial Energy Inc. insiders from Form 4, newest first.
No open-market purchases or sales by Terrestrial Energy Inc. insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in Terrestrial Energy Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LMR Partners LLP | 3,246,410 | $11.0M | 0.08% | −101,100−3.0% | Reduced |
| Cantor Fitzgerald, L. P. | 2,165,702 | $7.06M | 0.07% | +1,082,651+100.0% | Added |
| Boothbay Fund Management, LLC | 621,000 | $4.40M | 0.08% | +231,000+59.2% | Added |
| Hudson Bay Capital Management LP | 1,296,174 | $4.38M | 0.02% | −6,876−0.5% | Reduced |
| PEAK6 LLC | 1,236,146 | $4.18M | 0.10% | +50,000+4.2% | Added |
| Caption Management, LLC | 865,372 | $2.92M | 0.10% | 00.0% | Unchanged |
| Aristeia Capital LLC | 840,047 | $2.80M | 0.04% | +104,654+14.2% | Added |
| Magnetar Financial LLC | 723,000 | $2.41M | 0.02% | −57,000−7.3% | Reduced |
| Morgan Stanley | 203,165 | $686.7K | 0.00% | −77,603−27.6% | Reduced |
| Linden Advisors LP | 194,560 | $647.9K | 0.00% | 00.0% | Unchanged |