TERRESTRIAL ENERGY INC IMSRW
*W EXP 10/28/203 · Equity WRT · CUSIP 881454110
- SectorIndustrials
- IndustryFabricated Plate Work (Boiler Shops)
- HeadquartersCharlotte, NC
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $2.70. Options: 1 managers hold calls ($405.1k notional), 0 hold puts (—).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2025 | 1 |
| Q4 2025 | 28 |
| Q1 2026 | 26 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2025 | 26 | 1 |
| Q1 2026 | 9 | 16 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $0 | $0 | — |
| Q3 2025 | $0 | $0 | — |
| Q4 2025 | $938.8k | $0 | 0.00 |
| Q1 2026 | $405.1k | $0 | 0.00 |
Biggest buyers
| Hudson Bay Capital Management LP | Added | +1.1m |
| ARISTEIA CAPITAL, L.L.C. | Added | +532.9k |
| LMR Partners LLP | Added | +496.9k |
| BOOTHBAY FUND MANAGEMENT, LLC | New | +390.0k |
| Caption Management, LLC | Added | +58.8k |
| Virtu Financial LLC | New | +28.4k |
| Advisory Services Network, LLC | New | +6.0k |
| Rockefeller Capital Management L.P. | New | +6.0k |
| Federation des caisses Desjardins du Quebec | New | +2.0k |
Biggest sellers
| CANTOR FITZGERALD, L. P. | Reduced | -1.5m |
| PEAK6 LLC | Reduced | -1.2m |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | Sold out | -305.0k |
| Balyasny Asset Management L.P. | Reduced | -173.2k |
| Magnetar Financial LLC | Reduced | -125.0k |
| Arosa Capital Management LP | Reduced | -100.0k |
| Jain Global LLC | Sold out | -90.9k |
| MYDA Advisors LLC | Sold out | -73.2k |
| MORGAN STANLEY | Reduced | -61.5k |
| Meteora Capital, LLC | Sold out | -50.2k |
Biggest calls
| MILLENNIUM MANAGEMENT LLC | Reduced | $405.1k156.4k shares |
Biggest puts
| None |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| LMR Partners LLP 0.08% of their portfolio | 3.3m $8.7m | Added +496.9k |
| Hudson Bay Capital Management LP 0.02% of their portfolio | 1.3m $3.4m | Added +1.1m |
| PEAK6 LLC 0.09% of their portfolio | 1.2m $3.1m | Reduced -1.2m |
| CANTOR FITZGERALD, L. P. 0.10% of their portfolio | 1.1m $2.8m | Reduced -1.5m |
| Caption Management, LLC 0.11% of their portfolio | 865.4k $2.2m | Added +58.8k |
| Magnetar Financial LLC 0.02% of their portfolio | 780.0k $2.0m | Reduced -125.0k |
| ARISTEIA CAPITAL, L.L.C. 0.04% of their portfolio | 735.4k $1.9m | Added +532.9k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.05% of their portfolio | 390.0k $2.3m | New |
| MORGAN STANLEY 0.00% of their portfolio | 280.8k $727.2k | Reduced -61.5k |
| Linden Advisors LP 0.00% of their portfolio | 194.6k $500.0k | Unchanged |
| Arosa Capital Management LP 0.30% of their portfolio | 175.0k $453.2k | Reduced -100.0k |
| Periscope Capital Inc. 0.05% of their portfolio | 152.5k $292.8k | Unchanged |
| Walleye Capital LLC 0.00% of their portfolio | 140.0k $362.6k | Reduced -14.7k |
| CastleKnight Management LP 0.01% of their portfolio | 73.2k $189.6k | Unchanged |
| Saba Capital Management, L.P. 0.01% of their portfolio | 65.7k $170.1k | Reduced -10.0k |
| Alberta Investment Management Corp 0.00% of their portfolio | 50.0k $129.5k | Unchanged |
| WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio | 48.7k $126.2k | Reduced -22.8k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 40.7k $104.9k | Reduced -173.2k |
| Virtu Financial LLC 0.00% of their portfolio | 28.4k $74.0k | New |
| Stoic Point Capital Management LLC 0.03% of their portfolio | 13.4k $34.7k | Unchanged |
| Clear Street Group Inc. 0.00% of their portfolio | 10.0k $25.9k | Unchanged |
| Advisory Services Network, LLC 0.00% of their portfolio | 6.0k $15.7k | New |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 6.0k $15.5k | New |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 2.0k $5.2k | New |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 600 $1.6k | Unchanged |
| SUMMIT SECURITIES GROUP LLC 0.00% of their portfolio | 1 $3 | Unchanged |