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
13F holders, Q4 2024
Institutional positions in Terrestrial Energy Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 23
- +23 vs. Q3 2024
- Shares held
- 8.82M
- +8.82M vs. Q3 2024
- Total value
- $767.9K
- +$767.9K vs. Q3 2024
- New holders
- 23
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IMSRW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 24 | $39.8M |
| Q1 2026 | 26 | $29.6M |
| Q4 2025 | 28 | $23.1M |
| Q3 2025 | 24 | $57.3M |
| Q2 2025 | 31 | $27.6M |
| Q1 2025 | 30 | $8.04M |
| Q4 2024 | 23 | $767.9K |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Terrestrial Energy Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Heights Capital Management, Inc | 18,868 | $2.26K | 0.00% | +18,868 | New |
| PenderFund Capital Management Ltd. | 15,000 | $2.91K | 0.00% | +15,000 | New |
| Clear Street LLC | 36,942 | $4.43K | 0.00% | +36,942 | New |
| Schonfeld Strategic Advisors LLC | 37,500 | $4.50K | 0.00% | +37,500 | New |
| StoneX Group Inc. | 38,837 | $4.66K | 0.00% | +38,837 | New |
| Context Capital Management, LLC | 76,250 | $6.86K | 0.00% | +76,250 | New |
| Shaolin Capital Management LLC | 57,499 | $6.90K | 0.00% | +57,499 | New |
| Mint Tower Capital Management B.V. | 72,451 | $9.00K | 0.00% | +72,451 | New |
| Tenor Capital Management Co., L.P. | 87,500 | $10.5K | 0.00% | +87,500 | New |
| Parallax Volatility Advisers, L.P. | 98,429 | $11.8K | 0.00% | +98,429 | New |
| Verition Fund Management LLC | 102,449 | $12.3K | 0.00% | +102,449 | New |
| Wolverine Asset Management LLC | 104,312 | $12.5K | 0.00% | +104,312 | New |
| Gritstone Asset Management LLC | 112,310 | $13.5K | 0.01% | +112,310 | New |
| Bulldog Investors, LLP | 125,000 | $15.0K | 0.00% | +125,000 | New |
| Rivernorth Capital Management, LLC | 200,000 | $24.0K | 0.00% | +200,000 | New |
| Highbridge Capital Management LLC | – | $30.0K | 0.00% | – | New |
| Cantor Fitzgerald, L. P. | 2,809,999 | $31.7K | 0.00% | +2,809,999 | New |
| Periscope Capital Inc. | 298,200 | $35.8K | 0.03% | +298,200 | New |
| K2 Principal Fund, L.P. | 384,644 | $46.2K | 0.01% | +384,644 | New |
| LMR Partners LLP | 750,000 | $90.0K | 0.00% | +750,000 | New |
| Picton Mahoney Asset Management | 990,000 | $119.0K | 0.00% | +990,000 | New |
| CNH Partners LLC | 1,116,928 | $119.5K | 0.00% | +1,116,928 | New |
| CSS LLC | 1,288,152 | $154.6K | 0.01% | +1,288,152 | New |