HCM
IMSR

Highbridge Capital Management’s Terrestrial Energy IMSR Stock Holding History

Highbridge Capital 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
-244,000
Closed -$1.49M – 409
2025
Q4 		$1.49M Buy
+244,000
New +$3.26M 0.05% 110
2025
Q1 		– Sell
-500,000
Closed -$5.01M – 288
2024
Q4 		$5.01M Buy
+500,000
New +$5M 0.19% 88

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
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.68% 1-Year Est. Return
Geode Capital Management
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

Highbridge Capital Management's IMSR Position: Q1 2026 in Review

Highbridge Capital Management sold out of Terrestrial Energy (IMSR) in Q1 2026, closing a stake of 244,000 shares — an estimated $1.49M sold.

Highbridge Capital Management first reported a position in IMSR in Q4 2024 and held it in 2 quarters. The position peaked at $5.01M in Q4 2024. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • Highbridge Capital Management reported no remaining Terrestrial Energy position as of Q1 2026 after selling out during the quarter.
  • Highbridge Capital Management sold 244,000 Terrestrial Energy shares in Q1 2026, an estimated $1.49M.
  • Highbridge Capital Management first reported a position in Terrestrial Energy in Q4 2024 and held it in 2 quarters.
  • Highbridge Capital Management's Terrestrial Energy position peaked at $5.01M in Q4 2024.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

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