13F Insight
DOSSIER · 13F Holders · Q4 2025CyclicalNet sold
IMSR

TERRESTRIAL ENERGY INC COM SHS

92 institutions still hold TERRESTRIAL ENERGY INC COM SHS as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 881454102·92 13F holders·last filed Dec 31, 2025
Market cap
—
▼ 1.5%
vs prior quarter
13F value held
$107M
46.0% inst. owned
of float
Holders
92
-58 QoQ
filers reporting
Activity
+103 / −19
+981 added · −925 reduced
this quarter
Concentration
13.72%
CITADEL ADVISORS LLC #1
top holder share
AI Holders Summary · Q4 2025

92 institutions reported IMSR in Q4 2025. CITADEL ADVISORS LLC leads at 13.7% of the visible book. -58 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
CITADEL ADVISORS LLC
CIK 0001423053
$15M2.4M0.00%Q4 202502
EXCHANGE TRADED CONCEPTS, LLC
CIK 0001457320
$13M2.1M0.09%Q1 202603
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$10M1.6M0.00%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$8M1.3M0.00%Q1 202605
BlackRock, Inc.
CIK 0002012383
$7M1.1M0.00%Q1 202606
D. E. Shaw & Co., Inc.
CIK 0001009207
$7M1.1M0.00%Q4 202507
Vennlight Capital Management, LP
CIK 0002013462
$7M1.1M6.97%Q4 202508
JPMORGAN CHASE & CO
CIK 0000019617
$6M1.1M0.00%Q1 202609
Alyeska Investment Group, L.P.
CIK 0001453072
$4M722K0.01%Q4 202510
LMR Partners LLP
CIK 0001578621
$4M691K0.01%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M659K0.00%Q1 202612
Galaxy Group Investments LLC
CIK 0001912562
$3M500K0.36%Q4 202513
WINTON GROUP Ltd
CIK 0001612063
$3M496K0.10%Q1 202614
UBS Group AG
CIK 0001610520
$3M494K0.00%Q1 202615
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$3M486K0.00%Q1 202616
Hudson Bay Capital Management LP
CIK 0001393825
$3M452K0.01%Q1 202617
Verition Fund Management LLC
CIK 0001454027
$3M445K0.02%Q1 202618
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M408K0.00%Q1 202619
GOLDMAN SACHS GROUP INC
CIK 0000886982
$2M396K0.00%Q1 202620
STATE STREET CORP
CIK 0000093751
$2M346K0.00%Q1 2026
Page 1 of 5
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