Terrestrial Energy Inc. /DE/ (IMSRW)

Distributing

Strong institutional distribution: ownership decreased -3.42% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

10.51%

QoQ Change

-3.42%

Total Value

$30.0B

Shares Outstanding

105.9M

Crowding AnalysisCrowded

Holders27of 5,944

Avg: 68

Uncrowded77th percentileCrowded

Institutional Activity

Buy/Sell Ratio0.56x

44th percentile

9 buying16 selling

New

-7

Closed

-253,760

Net shares

Holding Period Distribution

estimate

Median: 2 QAvg: 1.8 QHolders: 27

Ownership Concentration

Top 5: 69.9%Top 10: 91.3%

LMR Partners LLP30.1%

Hudson Bay Capital Management11.7%

PEAK610.7%

CANTOR FITZGERALD, L. P.9.7%

Caption Management,7.8%

Others (22)30.1%

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Conviction-Weighted Ownership

Median weight: 0.02%Avg weight: 0.02%Max: 0.04%High conviction (>1%): 0

LMR Partners LLP

Hudson Bay Capital Management

PEAK6

CANTOR FITZGERALD, L. P.

Caption Management,

Magnetar Financial

ARISTEIA CAPITAL, L.L.C.

BOOTHBAY FUND MANAGEMENT,

MORGAN STANLEY

LINDEN ADVISORS

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Whale Moves Timeline (2 Quarters)

Biggest dollar-value position changes among top 10 holders

SOLDCANTOR FITZGERALD, L. P.$4M1.5M shr

BOUGHTHudson Bay Capital Management$3M1.1M shr

NEWBOOTHBAY FUND MANAGEMENT$2M390K shr

NEWARISTEIA CAPITAL, L.L.C.$2M735K shr

BOUGHTLMR Partners LLP$1M497K shr

NEWLMR Partners LLP$6M2.9M shr

NEWCANTOR FITZGERALD, L. P.$5M2.6M shr

NEWPEAK6$3M1.2M shr

NEWMagnetar Financial$2M905K shr

NEWCaption Management$2M807K shr

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Institutional Trends (6 Quarters)

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Institutional Holders

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