Simon Irish owns 5.38% of Terrestrial Energy
5,695,189 shares as of the October 21, 2026 filing, worth $16.7M at the latest close.
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Free.
The stake
5.38%
worth $16.7M at the latest close
Stake rank
#1,362
by dollar value of the stake
Last sale
None
no sales since 2026
Last buy
14 days ago
Oct 13, 2026 · $50,818
Simon Irish owns 5.38% of Terrestrial Energy Inc. /DE/: 5,695,189 of 105,935,254 shares, worth about $16.7M at the 2026-10-26 close. The stake has moved from 6.32% in 2025 to 5.38% on 2026-10-21, across 0 sales and 1 purchase that moved it since 2016. The last trade that moved it was a discretionary purchase of $50,818 on 2026-10-13.
How the stake is held
as of the Oct 21, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Oct 21, 2026 · Form 4 ↗
HELD DIRECTLY
2,824,414
49.6%
HELD INDIRECTLY · 2 VEHICLES
2,870,775
50.4%
Through LLC
2,818,520
49.5%
Through IRA
52,255
0.9%
THE STAKE
5,695,189
5.38%