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
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

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
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

CastleKnight Management's IMSR Position: Q1 2026 in Review

CastleKnight Management held its Terrestrial Energy (IMSR) position steady in Q1 2026 at 60,700 shares worth $365K. The position accounts for 0.01% of the portfolio, ranked #420.

CastleKnight Management first reported a position in IMSR in Q3 2025 and has held it in 3 quarters since. The position peaked at $688K in Q3 2025. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • CastleKnight Management held 60,700 shares of Terrestrial Energy worth $365K as of Q1 2026.
  • CastleKnight Management left its Terrestrial Energy share count unchanged in Q1 2026.
  • Terrestrial Energy made up 0.01% of CastleKnight Management's portfolio in Q1 2026, its #420 holding.
  • CastleKnight Management first reported a position in Terrestrial Energy in Q3 2025 and has held it in 3 quarters since.
  • CastleKnight Management's Terrestrial Energy position peaked at $688K in Q3 2025.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

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