TERRESTRIAL ENERGY INC (IMSR) is held by 50 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is EXCHANGE TRADED CONCEPTS, LLC as of Q1 2026.

Are institutions buying or selling IMSR?

In Q1 2026, 33 institutions opened or increased positions in TERRESTRIAL ENERGY INC while 28 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on IMSR?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for TERRESTRIAL ENERGY INC.

How many hedge funds hold IMSR?

50 institutional investors report holding TERRESTRIAL ENERGY INC (IMSR) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into IMSR?

As of Q1 2026, tracked institutions in TERRESTRIAL ENERGY INC show 33 buyers versus 28 sellers — net inflows.

TERRESTRIAL ENERGY INC

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

Holders

Avg rating(11 Elite)

$93.7M

Total Value

54% (64)

Fund Consensus

33 buying - 28 selling

Smart Money Verdict

View all

Held by 50 funds

11 elite

Who's Trading

Activist

Citadel Advisors LLC1.9%Feb 17, 2026

ActivistRMRoberto Marco Sella14.3%Jan 22, 2026

Activist

MAGNETAR FINANCIAL LLC0.6%Nov 12, 2025

ActivistLILinden Capital L.P.0.9%Nov 12, 2025

ActivistDLDavid LeBlanc9.7%Nov 4, 2025

ActivistSISimon Irish12.8%Nov 4, 2025

Activist

Citadel Advisors LLC4.4%Sep 30, 2025

Activist

LMR Partners LLP4.1%Aug 14, 2025

ActivistFTFirst Trust Merger Arbitrage Fund4.2%Aug 14, 2025

ActivistMGMerus Global Investments, LLC3.8%Aug 14, 2025

View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
EXCHANGE TRADED CONCEPTS, LLC	New	2.1M	$12.6M	0.1%	-10.62%	39
VAVANGUARD CAPITAL MANAGEMENT LLC	New	1.3M	$7.8M	0.0%	-10.62%	38
CITADEL ADVISORS LLC	Decreased	1.3M(-37.1%)	$7.7M	0.0%	-3.76%	0
DED. E. Shaw & Co., Inc.	Increased	1.2M(+12.5%)	$7.3M	0.0%	-4.57%	31
BlackRock, Inc.	Increased	1.1M(+2.6%)	$6.7M	0.0%	-3.94%	28
JPMORGAN CHASE & CO	Decreased	1.1M(-8.3%)	$5.9M	0.0%	-3.76%	0
AIAlyeska Investment Group, L.P.	Unchanged	722,000	$4.3M	0.0%	-3.76%	0
LMR Partners LLP	Increased	690,702(+17.4%)	$4.1M	0.0%	-4.84%	31
GEODE CAPITAL MANAGEMENT, LLC	Decreased	659,388(-17.2%)	$4M	0.0%	-3.76%	0
UBS Group AG	Decreased	493,577(-3.7%)	$3M	0.0%	-3.76%	0
Hudson Bay Capital Management LP	Decreased	452,287(-38.5%)	$2.7M	0.0%	-3.76%	0
Verition Fund Management LLC	Decreased	444,958(-41.0%)	$2.7M	0.0%	-3.76%	0
RENAISSANCE TECHNOLOGIES LLC	Increased	407,900(+136.1%)	$2.4M	0.0%	-7.84%	42
GOLDMAN SACHS GROUP INC	Increased	396,238(+40.6%)	$2.4M	0.0%	-5.85%	35
STATE STREET CORP	Increased	345,520(+5.8%)	$2.1M	0.0%	-4.16%	27
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	337,991(-17.7%)	$2M	0.0%	-3.76%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	330,276(-5.2%)	$2M	0.0%	-3.76%	0
VFVANGUARD FIDUCIARY TRUST CO	New	300,407	$1.8M	0.0%	-10.62%	36
MORGAN STANLEY	Increased	285,549(+133.5%)	$1.7M	0.0%	-7.81%	41
Magnetar Financial LLC	Increased	244,000(+880.5%)	$1.5M	0.0%	-9.97%	41