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 $39.8M in total; no superinvestor holds it.
Other share classesIMSR
Q1 2026 vs. Q4 2025
How the institutions holding Terrestrial Energy Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Q1 2026 | Change |
|---|---|---|---|
| Holders | 28 | 26 | −2 |
| Shares | 10.6M | 11.0M | +337.7K (+3.2%) |
| Value | $23.1M | $29.6M | +$6.54M (+28.3%) |
New holders (5)
Institutions that held Terrestrial Energy Inc. at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Boothbay Fund Management, LLC | 390,000 | $2.34M | 0.06% |
| Virtu Financial LLC | 28,421 | $74.0K | 0.00% |
| Advisory Services Network, LLC | 6,050 | $15.7K | 0.00% |
| Rockefeller Capital Management L.P. | 6,000 | $15.5K | 0.00% |
| Federation des caisses Desjardins du Quebec | 2,000 | $5.18K | 0.00% |
Sold out (7)
Institutions that held Terrestrial Energy Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Highbridge Capital Management LLC | – | $646.6K |
| Jain Global LLC | 90,918 | $192.7K |
| MYDA Advisors LLC | 73,179 | $155.1K |
| Meteora Capital, LLC | 50,200 | $106.4K |
| DLD Asset Management, LP | 14,323 | $30.4K |
| Warberg Asset Management LLC | 11,000 | $23.3K |
| Royal Bank of Canada | 300 | $1.00K |