Millennium Management’s Terrestrial Energy IMSR Stock Holding History

Millennium Management’s Portfolio IMSR Stock Details IMSR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-31,658	Closed	-$193K	–	6528
2025 Q4	$193K	Sell	31,658 -597,705	-95%	-$7.99M	﹤0.01%	5483
2025 Q3	$10.3M	Buy	629,363 +429,363	+215%	+$5.11M	﹤0.01%	2354
2025 Q2	$2.22M	Hold	200,000	–	–	﹤0.01%	3792
2025 Q1	$2.1M	Sell	200,000 -250,000	-56%	-$2.54M	﹤0.01%	3731
2024 Q4	$4.51M	Buy	+450,000	New	+$4.5M	﹤0.01%	2904

Other funds holding IMSR

ETC

Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

LMR Partners London, United Kingdom $45.4B AUM 60.68% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

VCM

Vennlight Capital Management Weston, Connecticut $99M AUM 77.4% 1-Year Est. Return

Millennium Management's IMSR Position: Q1 2026 in Review

Millennium Management sold out of Terrestrial Energy (IMSR) in Q1 2026, closing a stake of 31,658 shares — an estimated $193K sold.

Millennium Management first reported a position in IMSR in Q4 2024 and held it in 5 quarters. The position peaked at $10.3M in Q3 2025. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

Millennium Management reported no remaining Terrestrial Energy position as of Q1 2026 after selling out during the quarter.
Millennium Management sold 31,658 Terrestrial Energy shares in Q1 2026, an estimated $193K.
Millennium Management first reported a position in Terrestrial Energy in Q4 2024 and held it in 5 quarters.
Millennium Management's Terrestrial Energy position peaked at $10.3M in Q3 2025.
88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.