PEAK6’s Terrestrial Energy IMSR Stock Holding History

PEAK6’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	-26,600	Closed	-$163K	–	3421
2025 Q4	$163K	Sell	26,600 -43,800	-62%	-$586K	﹤0.01%	2435
2025 Q3	$1.16M	Buy	+70,400	New	+$837K	﹤0.01%	1792

Other funds holding IMSR

ETC

Exchange Traded Concepts Oklahoma City, Oklahoma $14.1B AUM 25.71% 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

PEAK6's IMSR Position: Q4 2025 in Review

PEAK6 sold out of Terrestrial Energy (IMSR) in Q4 2025, closing a stake of 41,389 shares — an estimated $553K sold.

PEAK6 first reported a position in IMSR in Q2 2025 and held it in 2 quarters. The position peaked at $2.81M in Q2 2025. 82 funds tracked by Wall St. Rank hold IMSR as of Q4 2025.

PEAK6 reported no remaining Terrestrial Energy position as of Q4 2025 after selling out during the quarter.
PEAK6 sold 41,389 Terrestrial Energy shares in Q4 2025, an estimated $553K.
PEAK6 first reported a position in Terrestrial Energy in Q2 2025 and held it in 2 quarters.
PEAK6's Terrestrial Energy position peaked at $2.81M in Q2 2025.
82 funds tracked by Wall St. Rank held Terrestrial Energy as of Q4 2025.

Based on PEAK6's 13F filing for Q4 2025, filed 13 Feb 2026.