Simplex Trading
IMSR

Simplex Trading’s Terrestrial Energy IMSR Stock Holding History

Simplex Trading’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 		$1.23M Buy
204,800
+44,800
+28% +$355K ﹤0.01% 2288
2025
Q4 		$978K Buy
160,000
+45,400
+40% +$607K ﹤0.01% 2626
2025
Q3 		$189K Buy
+114,600
New +$1.36M ﹤0.01% 5006

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

Simplex Trading's IMSR Position: Q4 2025 in Review

Simplex Trading sold out of Terrestrial Energy (IMSR) in Q4 2025, closing a stake of 48,514 shares — an estimated $649K sold.

Simplex Trading first reported a position in IMSR in Q3 2025 and held it in 1 quarter. The position peaked at $796K in Q3 2025. 82 funds tracked by Wall St. Rank hold IMSR as of Q4 2025.

  • Simplex Trading reported no remaining Terrestrial Energy position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 48,514 Terrestrial Energy shares in Q4 2025, an estimated $649K.
  • Simplex Trading first reported a position in Terrestrial Energy in Q3 2025 and held it in 1 quarter.
  • Simplex Trading's Terrestrial Energy position peaked at $796K in Q3 2025.
  • 82 funds tracked by Wall St. Rank held Terrestrial Energy as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.