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Terrestrial Energy Inc.

IMSRW
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; 24 institutions reported holding it in 13F filings for Q2 2026, worth $39.8M in total; no superinvestor holds it.

Other share classesIMSR

Q2 2026 vs. Q1 2026

How the institutions holding Terrestrial Energy Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of IMSRW: Q1 2026 compared with Q2 2026
MeasureQ1 2026Q2 2026Change
Holders2624−2
Shares11.0M11.2M+209.4K (+1.9%)
Value$29.6M$39.8M+$10.1M (+34.2%)

New holders (3)

Institutions that held Terrestrial Energy Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to IMSRW in Q2 2026
InstitutionSharesValue% of portfolio
Yorkville Advisors Global, LP152,499$515.4K0.60%
Meteora Capital, LLC43,200$146.0K0.01%
US Bancorp11,655$39.4K0.00%

Sold out (5)

Institutions that held Terrestrial Energy Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of IMSRW in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Balyasny Asset Management LLC40,743$104.9K
Advisory Services Network, LLC6,050$15.7K
Federation des caisses Desjardins du Quebec2,000$5.18K
Advisor Group Holdings, Inc.600$1.55K
Clear Street Markets LLC1$3