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Livermore
Livermore
ZHEN

Terrestrial Energy Inc.

IMSR
Exchange
Nasdaq
Industry
Fabricated Plate Work (Boiler Shops)
SEC CIK
0002019804

No open-market purchases or sales by Terrestrial Energy Inc. insiders were filed in the last 90 days; 110 institutions reported holding it in 13F filings for Q2 2026, worth $151.3M in total; no superinvestor holds it.

Other share classesIMSRW

Q4 2024 vs. Q3 2024

How the institutions holding Terrestrial Energy Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of IMSR: Q3 2024 compared with Q4 2024
MeasureQ3 2024Q4 2024Change
Holders035+35
Shares016.2M+16.2M
Value$0$162.3M+$162.3M

New holders (35)

Institutions that held Terrestrial Energy Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to IMSR in Q4 2024
InstitutionSharesValue% of portfolio
Vivaldi Asset Management, LLC2,069,998$20.7M1.58%
Picton Mahoney Asset Management1,980,000$19.8M0.75%
CNH Partners LLC1,563,833$15.7M0.37%
LMR Partners LLP1,500,000$15.0M0.26%
Karpus Management, Inc.1,293,947$13.0M0.38%
D. E. Shaw & Co., Inc.920,000$9.22M0.01%
Wolverine Asset Management LLC765,994$7.68M0.14%
Westchester Capital Management, LLC670,481$6.72M0.39%
Goldman Sachs Group Inc640,024$6.41M0.00%
Highbridge Capital Management LLC500,000$5.01M0.19%
Two Sigma Investments, LP500,000$5.01M0.01%
Millennium Management LLC450,000$4.51M0.00%
Whitebox Advisors LLC400,000$4.01M0.15%
Rivernorth Capital Management, LLC400,000$4.01M0.19%
Bulldog Investors, LLP349,898$3.51M0.92%
Berkley W R Corp297,240$2.98M0.17%
Gritstone Asset Management LLC224,618$2.25M2.38%
Verition Fund Management LLC203,412$2.04M0.01%
Periscope Capital Inc.200,000$2.00M1.42%
Centiva Capital, LP195,221$1.96M0.07%
Tenor Capital Management Co., L.P.175,000$1.74M0.02%
Deltec Asset Management LLC150,000$1.50M0.30%
Virtu Financial LLC146,019$1.46M0.08%
Mint Tower Capital Management B.V.144,903$1.45M0.38%
Dakota Wealth Management103,450$1.04M0.02%
Heights Capital Management, Inc80,000$801.6K0.40%
Schonfeld Strategic Advisors LLC75,000$751.5K0.00%
PenderFund Capital Management Ltd.30,000$432.1K0.09%
Tuttle Tactical Management35,000$350.7K1.80%
Toronto Dominion Bank31,687$317.5K0.00%
Kepos Capital LP30,000$301.0K0.26%
Fir Tree Capital Management LP20,519$205.6K0.48%
UBS Group AG16,620$166.5K0.00%
Radcliffe Capital Management, L.P.13,400$134.3K0.02%
Clear Street LLC7,364$73.8K0.00%

Sold out (0)

Institutions that held Terrestrial Energy Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

None.