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
Holders of 5% or more of IMSRW
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Terrestrial Energy Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Terrestrial Energy Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
Schedule 13D and 13G filings on Terrestrial Energy Inc., newest first.
No Schedule 13D or 13G filings on Terrestrial Energy Inc. are on file.
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Terrestrial Energy Inc. shares.
No Form 144 notices for Terrestrial Energy Inc. are on file.