TERRESTRIAL ENERGY INC

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IMSR·881454102·US·Common Stock·Utilities - Utilities - Regulated Electric-Activist

IMSR (TERRESTRIAL ENERGY INC) is held by 68 institutional investors as of Q2 2026. Largest holders: VANGUARD CAPITAL MANAGEMENT LLC ($24.2M), EXCHANGE TRADED CONCEPTS, LLC ($15.3M), UBS Group AG ($12.5M). Net institutional sentiment: Mixed.

68

Holders

(2 Elite)

$119.4M

Total Value

65% (63)

Consensus

41 buying - 22 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)77

Insider (Form 4)40

Activist (13D/13G)33

Congressional (STOCK Act)46

Holder Quality

70

★★★★★

Elite

24

★★★★

Strong

78

★★★

Solid

36

★★

Below

73

★

Weak

Held by 68 funds

2 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders none · Activists Feb 17, 2026 · Congress none

ActivistCitadel Advisors LLC1.9%Feb 17, 2026

ActivistRMRoberto Marco Sella14.3%Jan 22, 2026

ActivistMAGNETAR FINANCIAL LLC0.6%Nov 12, 2025

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Top Holders

Top Holders (68)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	3.4M(+161.9%)	$24.2M	0.0%	-22.24%	46
EXCHANGE TRADED CONCEPTS, LLC	Increased	2.2M(+3.3%)	$15.3M	0.1%	-18.86%	29
UBS Group AG	Increased	1.8M(+259.1%)	$12.5M	0.0%	-21.32%	45
BlackRock, Inc.	Decreased	1.1M(-4.1%)	$7.6M	0.0%	-12.59%	0
JPMORGAN CHASE & CO	Decreased	966,797(-9.9%)	$6.8M	0.0%	-12.42%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	693,934(+5.2%)	$4.9M	0.0%	-13.10%	28
LMR Partners LLP	Unchanged	690,702	$4.9M	0.0%	-13.40%	0
DED. E. Shaw & Co., Inc.	Decreased	667,968(-45.0%)	$4.7M	0.0%	-13.16%	0
Hudson Bay Capital Management LP	Increased	589,293(+30.3%)	$4.2M	0.0%	-15.50%	34
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	571,832(+73.1%)	$4M	0.0%	-17.86%	40
MORGAN STANLEY	Increased	412,815(+44.6%)	$2.9M	0.0%	-18.81%	36
Verition Fund Management LLC	Decreased	374,958(-15.7%)	$2.7M	0.0%	-12.42%	0
VFVANGUARD FIDUCIARY TRUST CO	Increased	365,772(+21.8%)	$2.6M	0.0%	-19.73%	31
STATE STREET CORP	Increased	346,696(+0.3%)	$2.5M	0.0%	-12.83%	26
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	333,599(-1.3%)	$2.4M	0.0%	-12.42%	0
JANE STREET GROUP, LLC	New	240,719	$1.7M	0.0%	-24.29%	36
AIAlyeska Investment Group, L.P.	Decreased	222,000(-69.3%)	$1.6M	0.0%	-12.42%	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	183,800(-54.9%)	$1.3M	0.0%	-16.13%	0
NORTHERN TRUST CORP	Increased	126,539(+1.6%)	$895,896	0.0%	-12.64%	25
COMMONWEALTH EQUITY SERVICES, LLC	Increased	110,794(+10.7%)	$784,417	0.0%	-16.35%	27

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IMSRTERRESTRIAL ENERGY INC

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer