# TERRESTRIAL ENERGY INC (IMSRW)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/IMSRW/

- Reporting holders: 25
- Reported value: $43.7M
- Shares held by institutions: 12,270,437 of 105,935,254 outstanding
- Held through calls: 1.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $11.0M | 3,246,410 | 0.0% | 3 |
| [CANTOR FITZGERALD, L. P.](https://holderbook.com/funds/1024896-cantor-fitzgerald-l-p/) | $7.1M | 2,165,702 | 0.0% | 3 |
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $4.4M | 621,000 | 0.1% | 2 |
| [Hudson Bay Capital Management LP](https://holderbook.com/funds/1393825-hudson-bay-capital-management-lp/) | $4.4M | 1,296,174 | 0.0% | 3 |
| [PEAK6 LLC](https://holderbook.com/funds/1389958-peak6-llc/) | $4.2M | 1,236,146 | 0.0% | 3 |
| [Caption Management, LLC](https://holderbook.com/funds/1706766-caption-management-llc/) | $2.9M | 865,372 | 0.0% | 3 |
| [ARISTEIA CAPITAL, L.L.C.](https://holderbook.com/funds/1080171-aristeia-capital-l-l-c/) | $2.8M | 840,047 | 0.0% | 3 |
| [Magnetar Financial LLC](https://holderbook.com/funds/1352851-magnetar-financial-llc/) | $2.4M | 723,000 | 0.0% | 3 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $686.7K | 203,165 | 0.0% | 3 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $647.9K | 194,560 | 0.0% | 3 |
| [Arosa Capital Management LP](https://holderbook.com/funds/1596053-arosa-capital-management-lp/) | $591.5K | 175,000 | 0.1% | 3 |
| [Yorkville Advisors Global, LP](https://holderbook.com/funds/1838613-yorkville-advisors-global-lp/) | $515.4K | 152,499 | 0.6% | 1 |
| [Periscope Capital Inc.](https://holderbook.com/funds/1695320-periscope-capital-inc/) | $417.9K | 152,500 | 0.0% | 3 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $417.4K | 0 | 0.0% | 3 |
| [CastleKnight Management LP](https://holderbook.com/funds/1835751-castleknight-management-lp/) | $238.6K | 73,200 | 0.0% | 3 |
| [Saba Capital Management, L.P.](https://holderbook.com/funds/1510281-saba-capital-management-l-p/) | $218.7K | 65,681 | 0.0% | 3 |
| [Walleye Capital LLC](https://holderbook.com/funds/1758720-walleye-capital-llc/) | $177.8K | 52,616 | 0.0% | 3 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $169.2K | 50,067 | 0.0% | 3 |
| [Alberta Investment Management Corp](https://holderbook.com/funds/1463559-alberta-investment-management-corp/) | $169.0K | 50,000 | 0.0% | 3 |
| [Meteora Capital, LLC](https://holderbook.com/funds/1905106-meteora-capital-llc/) | $146.0K | 43,200 | 0.0% | 1 |
| [Virtu Financial LLC](https://holderbook.com/funds/1533964-virtu-financial-llc/) | $75.0K | 23,041 | 0.0% | 2 |
| [Stoic Point Capital Management LLC](https://holderbook.com/funds/2043279-stoic-point-capital-management-llc/) | $45.3K | 13,402 | 0.0% | 3 |
| [US BANCORP \DE\](https://holderbook.com/funds/36104-us-bancorp-de/) | $39.4K | 11,655 | 0.0% | 1 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $33.8K | 10,000 | 0.0% | 3 |
| [Rockefeller Capital Management L.P.](https://holderbook.com/funds/1739439-rockefeller-capital-management-l-p/) | $20.3K | 6,000 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 25 | $43.7M |
| Q1 2026 | 27 | $30.1M |
| Q4 2025 | 29 | $26.6M |
| Q3 2025 | 1 | $421.2K |