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
Q2 		$3.57M Buy
504,000
+7,700
+2% +$56.9K 0.12% 214
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

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

Winton Group's IMSR Position: Q2 2026 in Review

Winton Group increased its Terrestrial Energy (IMSR) stake by 1.6% in Q2 2026, buying an estimated $56.9K and bringing the position to 504,000 shares worth $3.57M. The position accounts for 0.12% of the portfolio, ranked #214.

Winton Group first reported a position in IMSR in Q4 2025 and has held it in 3 quarters since. The position peaked at $3.95M in Q4 2025. 108 funds tracked by Wall St. Rank hold IMSR as of Q2 2026.

  • Winton Group held 504,000 shares of Terrestrial Energy worth $3.57M as of Q2 2026.
  • Winton Group bought 7,700 Terrestrial Energy shares in Q2 2026, an estimated $56.9K.
  • Terrestrial Energy made up 0.12% of Winton Group's portfolio in Q2 2026, its #214 holding.
  • Winton Group first reported a position in Terrestrial Energy in Q4 2025 and has held it in 3 quarters since.
  • Winton Group's Terrestrial Energy position peaked at $3.95M in Q4 2025.
  • 108 funds tracked by Wall St. Rank held Terrestrial Energy as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.