IMSRW Terrestrial Energy Inc. /DE/: institutional ownership and insider trading
25 funds reported holding $40.2M of Terrestrial Energy Inc. /DE/ in their latest 13F filings; in Q2 2026 funds net bought $612K, with 3 new positions and 5 funds selling out; over the last 12 months insiders bought $112K and sold $0 on the open market.
Famous investors holding IMSRW
- Izzy Englander (Millennium Management): $417K, 0.0% of the portfolio
Largest institutional holders of IMSRW
- LMR Partners LLP — $11.0M
- BOOTHBAY FUND MANAGEMENT, LLC — $4.40M
- Hudson Bay Capital Management LP — $4.38M
- PEAK6 LLC — $4.18M
- CANTOR FITZGERALD, L. P. — $3.53M
- Caption Management, LLC — $2.92M
- ARISTEIA CAPITAL, L.L.C. — $2.80M
- Magnetar Financial LLC — $2.41M
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $687K
- LINDEN ADVISORS LP — $648K
Recent IMSRW insider trades
- Oct 14, 2026: Pardee Charles G bought 7,500 shares ($22.1K)
- Oct 13, 2026: Irish Simon bought 16,900 shares ($50.8K)
- Oct 9, 2026: Buckman Frederick W bought 12,000 shares ($39.3K)
5%+ owners
- Roberto Marco Sella: 14.3% (Schedule 13G, filed Jan 22, 2026)
- Simon Irish: 12.8% (Schedule 13D, filed Nov 4, 2025)
- David LeBlanc: 9.7% (Schedule 13D, filed Nov 4, 2025)
- Linden Advisors LP: 8.7% (Schedule 13G, filed Mar 31, 2025)
- Ramya Rao: 6.2% (Schedule 13G, filed Feb 7, 2025)
- Barclays PLC: 6.2% (Schedule 13G/A, filed Mar 21, 2025)