State Street
IMSR

State Street’s Terrestrial Energy IMSR Stock Holding History

State Street’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 		$2.07M Buy
345,520
+18,820
+6% +$149K ﹤0.01% 3292
2025
Q4 		$2M Buy
+326,700
New +$4.37M ﹤0.01% 3342

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

State Street's IMSR Position: Q1 2026 in Review

State Street increased its Terrestrial Energy (IMSR) stake by 5.8% in Q1 2026, buying an estimated $149K and bringing the position to 345,520 shares worth $2.07M. The position accounts for ﹤0.01% of the portfolio, ranked #3292.

State Street first reported a position in IMSR in Q4 2025 and has held it in 2 quarters since. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • State Street held 345,520 shares of Terrestrial Energy worth $2.07M as of Q1 2026.
  • State Street bought 18,820 Terrestrial Energy shares in Q1 2026, an estimated $149K.
  • Terrestrial Energy made up ﹤0.01% of State Street's portfolio in Q1 2026, its #3292 holding.
  • State Street first reported a position in Terrestrial Energy in Q4 2025 and has held it in 2 quarters since.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on State Street's 13F filing for Q1 2026, filed 15 May 2026.