IMSRW — Terrestrial Energy Inc Institutional Holders · Q2 2026

Name: Who Owns IMSRW? 34 Institutions Hold $52.2M (Q2 2026)
Creator: ko.io

Who owns Terrestrial Energy Inc (IMSRW)? 34 institutions reported holding $52.25M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: LMR Partners LLP ($11.0M), Group One Trading LLC ($6.6M), Boothbay Fund Management, LLC ($4.4M).

Rank	Institution	Value	Shares	Change
1	LMR Partners LLP	$11.0M	3.2M	Trimmed
2	GROUP ONE TRADING LLC	$6.6M	934,800	Added
3	BOOTHBAY FUND MANAGEMENT, LLC	$4.4M	621,000	Added
4	Hudson Bay Capital Management LP	$4.4M	1.3M	Trimmed
5	PEAK6 LLC	$4.2M	1.2M	Added
6	CANTOR FITZGERALD, L. P.	$3.5M	1.1M	Trimmed
7	IMC-Chicago, LLC	$3.1M	436,900	Added
8	Caption Management, LLC	$2.9M	865,372	Hold
9	ARISTEIA CAPITAL, L.L.C.	$2.8M	840,047	Added
10	Magnetar Financial LLC	$2.4M	723,000	Trimmed
11	SIMPLEX TRADING, LLC	$2.2M	314,900	Added
12	MORGAN STANLEY	$686,698	203,165	Trimmed
13	Linden Advisors LP	$647,885	194,560	Hold
14	Arosa Capital Management LP	$591,500	175,000	Hold
15	Yorkville Advisors Global, LP	$515,446	152,499	New
16	Periscope Capital Inc.	$417,850	152,500	Hold
17	MILLENNIUM MANAGEMENT LLC	$417,381	128,031	Trimmed
18	CastleKnight Management LP	$238,632	73,200	Hold
19	Saba Capital Management, L.P.	$218,718	65,681	Hold
20	Walleye Capital LLC	$177,842	52,616	Trimmed
21	WOLVERINE ASSET MANAGEMENT LLC	$169,226	50,067	Added
22	Alberta Investment Management Corp	$169,000	50,000	Hold
23	METEORA CAPITAL, LLC	$146,016	43,200	New
24	HRT FINANCIAL LP	$106,000	15,000	Trimmed
25	Virtu Financial LLC	$75,000	23,041	Trimmed

Source: SEC Form 13F filings · as of 2026-06-30