Vault-13

TERRESTRIAL ENERGY INC IMSRW

*W EXP 10/28/203 · Equity WRT · CUSIP 881454110

24 institutional holders -2 vs Q1 2026
12,270,43712.3m shares reported held*
$43.3mreported value*
3 new 5 added 6 reduced 5 sold out net bought ≈ $4.4m (+1.3m shares)

* 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 ≈ $3.53. Options: 1 managers hold calls ($417.4k notional), 0 hold puts (—).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0102030Q3 25: 1Q4 25: 28Q1 26: 26Q2 26: 2424Q3 25Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q3 20251
Q4 202528
Q1 202626
Q2 202624

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q4 25: 26 bought or addedQ4 25: 1 cut or sold outQ4 25Q1 26: 9 bought or addedQ1 26: 16 cut or sold outQ1 26Q2 26: 8 bought or addedQ2 26: 11 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q4 2025261
Q1 2026916
Q2 2026811

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$250k$500k$750k$1mQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $938.8kQ4 25 puts: $0Q4 25P/C 0.00Q1 26 calls: $405.1kQ1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $417.4kQ2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$938.8k$00.00
Q1 2026$405.1k$00.00
Q2 2026$417.4k$00.00

Biggest buyers

CANTOR FITZGERALD, L. P. Added +1,082,651+1.1m
BOOTHBAY FUND MANAGEMENT, LLC Added +231,000+231.0k
Yorkville Advisors Global, LP New +152,499+152.5k
ARISTEIA CAPITAL, L.L.C. Added +104,654+104.7k
PEAK6 LLC Added +50,000+50.0k
Meteora Capital, LLC New +43,200+43.2k
US BANCORP \DE\ New +11,655+11.7k
WOLVERINE ASSET MANAGEMENT LLC Added +1,345+1.3k

Biggest sellers

LMR Partners LLP Reduced -101,100-101.1k
Walleye Capital LLC Reduced -87,370-87.4k
MORGAN STANLEY Reduced -77,603-77.6k
Magnetar Financial LLC Reduced -57,000-57.0k
Balyasny Asset Management L.P. Sold out -40,743-40.7k
Hudson Bay Capital Management LP Reduced -6,876-6.9k
Advisory Services Network, LLC Sold out -6,050-6.0k
Virtu Financial LLC Reduced -5,380-5.4k
Federation des caisses Desjardins du Quebec Sold out -2,000-2.0k
OSAIC HOLDINGS, INC. Sold out -600-600

Biggest calls

MILLENNIUM MANAGEMENT LLC Reduced $417.4k128.0k 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 since 1 Apr 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 since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 LMR Partners LLP 0.08% of their portfolio LONDON, X0 3,246,4103.2m $11.0m $11.0m 0.08% Reduced -101.1k -101,100
2 CANTOR FITZGERALD, L. P. 0.07% of their portfolio NEW YORK, NY 2,165,7022.2m $7.1m $7.1m 0.07% Added +1.1m +1,082,651
3 Hudson Bay Capital Management LP 0.02% of their portfolio STAMFORD, CT 1,296,1741.3m $4.4m $4.4m 0.02% Reduced -6.9k -6,876
4 PEAK6 LLC 0.10% of their portfolio AUSTIN, TX 1,236,1461.2m $4.2m $4.2m 0.10% Added +50.0k +50,000
5 Caption Management, LLC 0.10% of their portfolio OKLAHOMA CITY, OK 865,372865.4k $2.9m $2.9m 0.10% Unchanged
6 ARISTEIA CAPITAL, L.L.C. 0.04% of their portfolio GREENWICH, CT 840,047840.0k $2.8m $2.8m 0.04% Added +104.7k +104,654
7 Magnetar Financial LLC 0.02% of their portfolio EVANSTON, IL 723,000723.0k $2.4m $2.4m 0.02% Reduced -57.0k -57,000
8 BOOTHBAY FUND MANAGEMENT, LLC 0.08% of their portfolio NEW YORK, NY 621,000621.0k $4.4m $4.4m 0.08% Added +231.0k +231,000
9 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 203,165203.2k $686.7k $686.7k 0.00% Reduced -77.6k -77,603
10 Linden Advisors LP 0.00% of their portfolio New York, NY 194,560194.6k $647.9k $647.9k 0.00% Unchanged
11 Arosa Capital Management LP 0.52% of their portfolio MIAMI BEACH, FL 175,000175.0k $591.5k $591.5k 0.52% Unchanged
12 Periscope Capital Inc. 0.07% of their portfolio Toronto, A6 152,500152.5k $417.9k $417.9k 0.07% Unchanged
13 Yorkville Advisors Global, LP 0.60% of their portfolio MOUNTAINSIDE, NJ 152,499152.5k $515.4k $515.4k 0.60% New
14 CastleKnight Management LP 0.01% of their portfolio New York, NY 73,20073.2k $238.6k $238.6k 0.01% Unchanged
15 Saba Capital Management, L.P. 0.01% of their portfolio NEW YORK, NY 65,68165.7k $218.7k $218.7k 0.01% Unchanged
16 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 52,61652.6k $177.8k $177.8k 0.00% Reduced -87.4k -87,370
17 WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio CHICAGO, IL 50,06750.1k $169.2k $169.2k 0.00% Added +1.3k +1,345
18 Alberta Investment Management Corp 0.00% of their portfolio EDMONTON, A0 50,00050.0k $169.0k $169.0k 0.00% Unchanged
19 Meteora Capital, LLC 0.01% of their portfolio Boca Raton, FL 43,20043.2k $146.0k $146.0k 0.01% New
20 Virtu Financial LLC 0.00% of their portfolio New York, NY 23,04123.0k $75.0k $75.0k 0.00% Reduced -5.4k -5,380
21 Stoic Point Capital Management LLC 0.04% of their portfolio PALO ALTO, CA 13,40213.4k $45.3k $45.3k 0.04% Unchanged
22 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 11,65511.7k $39.4k $39.4k 0.00% New
23 Clear Street Group Inc. 0.00% of their portfolio NEW YORK, NY 10,00010.0k $33.8k $33.8k 0.00% Unchanged
24 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 6,0006.0k $20.3k $20.3k 0.00% Unchanged