CM
IMSR

CastleKnight Management’s Terrestrial Energy IMSR Stock Holding History

CastleKnight 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 		$1.17M Buy
165,400
+104,700
+172% +$774K 0.02% 373
2026
Q1 		$365K Hold
60,700
– – 0.01% 420
2025
Q4 		$371K Buy
60,700
+18,800
+45% +$251K 0.01% 324
2025
Q3 		$688K Buy
+41,900
New +$498K 0.01% 360

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

CastleKnight Management's IMSR Position: Q2 2026 in Review

CastleKnight Management increased its Terrestrial Energy (IMSR) stake by 172% in Q2 2026, buying an estimated $774K and bringing the position to 165,400 shares worth $1.17M. The position accounts for 0.02% of the portfolio, ranked #373.

CastleKnight Management first reported a position in IMSR in Q3 2025 and has held it in 4 quarters since. 110 funds tracked by Wall St. Rank hold IMSR as of Q2 2026.

  • CastleKnight Management held 165,400 shares of Terrestrial Energy worth $1.17M as of Q2 2026.
  • CastleKnight Management bought 104,700 Terrestrial Energy shares in Q2 2026, an estimated $774K.
  • Terrestrial Energy made up 0.02% of CastleKnight Management's portfolio in Q2 2026, its #373 holding.
  • CastleKnight Management first reported a position in Terrestrial Energy in Q3 2025 and has held it in 4 quarters since.
  • 110 funds tracked by Wall St. Rank held Terrestrial Energy as of Q2 2026.

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