Marshall Wace
IMSR

Marshall Wace’s Terrestrial Energy IMSR Stock Holding History

Marshall Wace’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 		$158K Sell
26,277
-4,616
-15% -$36.6K ﹤0.01% 2827
2025
Q4 		$189K Buy
+30,893
New +$413K ﹤0.01% 2607

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

Marshall Wace's IMSR Position: Q1 2026 in Review

Marshall Wace reduced its Terrestrial Energy (IMSR) stake by 15% in Q1 2026, selling an estimated $36.6K and leaving 26,277 shares worth $158K. The position accounts for ﹤0.01% of the portfolio, ranked #2827.

Marshall Wace first reported a position in IMSR in Q4 2025 and has held it in 2 quarters since. The position peaked at $189K in Q4 2025. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • Marshall Wace held 26,277 shares of Terrestrial Energy worth $158K as of Q1 2026.
  • Marshall Wace sold 4,616 Terrestrial Energy shares in Q1 2026, an estimated $36.6K.
  • Terrestrial Energy made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2827 holding.
  • Marshall Wace first reported a position in Terrestrial Energy in Q4 2025 and has held it in 2 quarters since.
  • Marshall Wace's Terrestrial Energy position peaked at $189K in Q4 2025.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.