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Buy Day today: Neutral (48) Mixed market breadth · no major macro event
IMSR

Terrestrial Energy Inc

Utilities · Utilities - Regulated Electric

4.10$ -4.3% vs. previous close Closing price · As of: Sep 28, 2026

Ownership

Ownership Structure

Who owns Terrestrial Energy Inc (IMSR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 72.8% of the shares are freely tradable; institutional investors hold 26.0%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 26.0%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 24.5%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 72.8%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 13.6%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 83Mio.

Largest Shareholders

Institutions

Institutions IMSR
Name Stake (%) Shares Change (%) Date
Exchange Traded Concepts, LLC 2.04 2,160,074 +3.3 06/30/2026
Vanguard Capital Management, LLC 1.23 1,303,452 +0.0 03/31/2026
BlackRock Inc 1.06 1,120,885 +2.6 03/31/2026
JPMorgan Chase & Co 1.01 1,073,073 -8.3 03/31/2026
Alyeska Investment Group, L.P. 0.68 722,000 +0.0 03/31/2026
LMR Partners LLP 0.65 690,702 +17.4 03/31/2026
D. E. Shaw & Co LP 0.63 667,968 -45.0 06/30/2026

Funds

Funds IMSR
Name Stake (%) Shares Change (%) Date
Global X Uranium ETF 3.70 3,922,765 +0.0 08/31/2026
Vanguard MStar Total Stk Mkt Idx Invest 2.55 2,699,400 +0.0 08/31/2026
Range Nuclear Renaissance ETF 1.95 2,066,423 +0.0 08/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 28, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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