HCM II Acquisition Corp. - 29IMSRWPreferred / convertible

13F holders, Q4 2025 (December 31)
27holders +26
25new positions
0sold out
$2.11avg. 13F price*

At the end of Q4 2025, 27 institutions reported holding HCM II Acquisition Corp. - 29 (IMSRW) in their 13F filings, up 26 from Q3 2025. 25 opened new positions and 0 sold out. The largest holders were LMR Partners LLP ($6.0M), Cantor Fitzgerald, L. P. ($5.5M) and PEAK6 LLC ($2.5M).

Company
HCM II Acquisition Corp. - 29
Filed as
TERRESTRIAL ENERGY INC (Q4 2025)
CUSIP
881454110
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q3 2025: 1Q3 2025Q4 2025: 27Q4 2025Q1 2026: 26Q1 2026Q2 2026: 24Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions25$22.3M
Exits0$0

All 13F filers, Q3 2025 → Q4 2025: 10,576,877 shares bought and 20,000 shares sold, net +10,556,877 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 27 holders

LMR Partners LLP — New 2,850,610 $6.0M
Cantor Fitzgerald, L. P. — New 2,575,000 $5.5M
PEAK6 LLC — New 1,186,146 $2.5M
Magnetar Financial LLC — New 904,994 $1.9M
Caption Management, LLC — New 806,543 $1.7M
Morgan Stanley — New 342,279 $726K
Arosa Capital Management LP — New 275,000 $583K
Hudson Bay Capital Management LP — New 247,400 $524K
Balyasny Asset Management L.P. — New 213,913 $453K
Aristeia Capital, L.L.C. — New 202,481 $430K
Linden Advisors LP — New 194,560 $413K
Walleye Capital LLC — New 154,680 $328K
Periscope Capital Inc. — New 152,500 $226K
Jain Global LLC — New 90,918 $193K
Saba Capital Management, L.P. — New 75,681 $160K
CastleKnight Management LP — New 73,200 $155K
MYDA Advisors LLC — New 73,179 $155K
Wolverine Asset Management LLC — New 71,569 $152K
Meteora Capital, LLC — Reduce -28.5% 50,200 $106K
Alberta Investment Management Corp — New 50,000 $106K
DLD Asset Management, LP — New 14,323 $30K
Stoic Point Capital Management LLC — — 13,402 $28K
Warberg Asset Management LLC — New 11,000 $23K
Clear Street Group Inc. — New 10,000 $21K
Osaic Holdings, Inc. — New 600 $1K
Royal Bank of Canada — New 300 $1K
Summit Securities Group LLC — New 1 $2

"% of holder's portfolio" is IMSRW's weight in each manager's 13F, not the share of HCM II Acquisition Corp. - 29 the manager owns.