WG
IMSR

Winton Group’s Terrestrial Energy IMSR Stock Holding History

Winton Group’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 		$2.98M Sell
496,300
-149,890
-23% -$1.19M 0.1% 264
2025
Q4 		$3.95M Buy
+646,190
New +$8.64M 0.14% 210

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

Winton Group's IMSR Position: Q1 2026 in Review

Winton Group reduced its Terrestrial Energy (IMSR) stake by 23% in Q1 2026, selling an estimated $1.19M and leaving 496,300 shares worth $2.98M. The position accounts for 0.1% of the portfolio, ranked #264.

Winton Group first reported a position in IMSR in Q4 2025 and has held it in 2 quarters since. The position peaked at $3.95M in Q4 2025. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • Winton Group held 496,300 shares of Terrestrial Energy worth $2.98M as of Q1 2026.
  • Winton Group sold 149,890 Terrestrial Energy shares in Q1 2026, an estimated $1.19M.
  • Terrestrial Energy made up 0.1% of Winton Group's portfolio in Q1 2026, its #264 holding.
  • Winton Group first reported a position in Terrestrial Energy in Q4 2025 and has held it in 2 quarters since.
  • Winton Group's Terrestrial Energy position peaked at $3.95M in Q4 2025.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on Winton Group's 13F filing for Q1 2026, filed 12 May 2026.