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
Q2 		$1.71M Buy
+244,000
New +$1.8M 0.04% 192
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

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
ETC
Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return

Highbridge Capital Management's IMSR Position: Q2 2026 in Review

Highbridge Capital Management opened a new position in Terrestrial Energy (IMSR) in Q2 2026: 244,000 shares worth $1.71M. The stake represents 0.04% of the portfolio and ranks #192 among its holdings. This is a return to the name: Highbridge Capital Management previously reported a position in IMSR as recently as Q4 2025.

Highbridge Capital Management first reported a position in IMSR in Q4 2024 and has held it in 3 quarters since. The position peaked at $5.01M in Q4 2024. 108 funds tracked by Wall St. Rank hold IMSR as of Q2 2026.

  • Highbridge Capital Management held 244,000 shares of Terrestrial Energy worth $1.71M as of Q2 2026.
  • Terrestrial Energy was a new Highbridge Capital Management position in Q2 2026.
  • Terrestrial Energy made up 0.04% of Highbridge Capital Management's portfolio in Q2 2026, its #192 holding.
  • Highbridge Capital Management first reported a position in Terrestrial Energy in Q4 2024 and has held it in 3 quarters since.
  • Highbridge Capital Management's Terrestrial Energy position peaked at $5.01M in Q4 2024.
  • 108 funds tracked by Wall St. Rank held Terrestrial Energy as of Q2 2026.

Based on Highbridge Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.