Hudson Bay Capital Management
IMSR

Hudson Bay Capital Management’s Terrestrial Energy IMSR Stock Holding History

Hudson Bay 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
-100,000
Closed -$611K – 1663
2025
Q4 		$611K Buy
+100,000
New +$1.34M ﹤0.01% 847

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
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $39.3B AUM 27.96% 1-Year Est. Return

Hudson Bay Capital Management's IMSR Position: Q2 2026 in Review

Hudson Bay Capital Management increased its Terrestrial Energy (IMSR) stake by 30% in Q2 2026, buying an estimated $1.01M and bringing the position to 589,293 shares worth $4.17M. The position accounts for 0.01% of the portfolio, ranked #611.

Hudson Bay Capital Management first reported a position in IMSR in Q4 2025 and has held it in 3 quarters since. The position peaked at $4.5M in Q4 2025. 110 funds tracked by Wall St. Rank hold IMSR as of Q2 2026.

  • Hudson Bay Capital Management held 589,293 shares of Terrestrial Energy worth $4.17M as of Q2 2026.
  • Hudson Bay Capital Management bought 137,006 Terrestrial Energy shares in Q2 2026, an estimated $1.01M.
  • Terrestrial Energy made up 0.01% of Hudson Bay Capital Management's portfolio in Q2 2026, its #611 holding.
  • Hudson Bay Capital Management first reported a position in Terrestrial Energy in Q4 2025 and has held it in 3 quarters since.
  • Hudson Bay Capital Management's Terrestrial Energy position peaked at $4.5M in Q4 2025.
  • 110 funds tracked by Wall St. Rank held Terrestrial Energy as of Q2 2026.

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