BlackRock
IMSR

BlackRock’s Terrestrial Energy IMSR Stock Holding History

BlackRock’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 		$7.61M Sell
1,074,524
-46,361
-4% -$343K ﹤0.01% 3788
2026
Q1 		$6.73M Buy
1,120,885
+28,384
+3% +$225K ﹤0.01% 3711
2025
Q4 		$6.68M Buy
+1,092,501
New +$14.6M ﹤0.01% 3707

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
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
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $39.3B AUM 27.96% 1-Year Est. Return

BlackRock's IMSR Position: Q2 2026 in Review

BlackRock reduced its Terrestrial Energy (IMSR) stake by 4.1% in Q2 2026, selling an estimated $343K and leaving 1,074,524 shares worth $7.61M. The position accounts for ﹤0.01% of the portfolio, ranked #3788.

BlackRock first reported a position in IMSR in Q4 2025 and has held it in 3 quarters since. 108 funds tracked by Wall St. Rank hold IMSR as of Q2 2026.

  • BlackRock held 1,074,524 shares of Terrestrial Energy worth $7.61M as of Q2 2026.
  • BlackRock sold 46,361 Terrestrial Energy shares in Q2 2026, an estimated $343K.
  • Terrestrial Energy made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #3788 holding.
  • BlackRock first reported a position in Terrestrial Energy in Q4 2025 and has held it in 3 quarters since.
  • 108 funds tracked by Wall St. Rank held Terrestrial Energy as of Q2 2026.

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