Periscope Capital’s Terrestrial Energy IMSR Stock Holding History

Periscope Capital’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	$580K	Hold	122,000	–	–	0.06%	215
2025 Q4	$581K	Buy	+122,000	New	+$1.63M	0.07%	178
2025 Q3	–	Sell	-85,000	Closed	-$944K	–	304
2025 Q2	$944K	Sell	85,000 -70,000	-45%	-$779K	0.21%	96
2025 Q1	$1.63M	Sell	155,000 -45,000	-23%	-$457K	0.71%	52
2024 Q4	$2M	Buy	+200,000	New	+$2M	1.11%	31

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

Periscope Capital's IMSR Position: Q1 2026 in Review

Periscope Capital held its Terrestrial Energy (IMSR) position steady in Q1 2026 at 122,000 shares worth $580K. The position accounts for 0.06% of the portfolio, ranked #215.

Periscope Capital first reported a position in IMSR in Q4 2024 and has held it in 5 quarters since. The position peaked at $2M in Q4 2024. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

Periscope Capital held 122,000 shares of Terrestrial Energy worth $580K as of Q1 2026.
Periscope Capital left its Terrestrial Energy share count unchanged in Q1 2026.
Terrestrial Energy made up 0.06% of Periscope Capital's portfolio in Q1 2026, its #215 holding.
Periscope Capital first reported a position in Terrestrial Energy in Q4 2024 and has held it in 5 quarters since.
Periscope Capital's Terrestrial Energy position peaked at $2M in Q4 2024.
88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on Periscope Capital's 13F filing for Q1 2026, filed 14 May 2026.