LP
IMSR

LMR Partners’s Terrestrial Energy IMSR Stock Holding History

LMR Partners’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 		$4.15M Buy
690,702
+102,488
+17% +$813K 0.01% 690
2025
Q4 		$3.59M Sell
588,214
-137,053
-19% -$1.83M 0.01% 663
2025
Q3 		$11.9M Sell
725,267
-216,020
-23% -$2.57M 0.05% 278
2025
Q2 		$10.4M Sell
941,287
-470,402
-33% -$5.23M 0.07% 265
2025
Q1 		$14.9M Sell
1,411,689
-88,311
-6% -$896K 0.14% 175
2024
Q4 		$15M Buy
+1,500,000
New +$15M 0.13% 165

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
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
WG
Winton Group London, United Kingdom $2.85B AUM 30.73% 1-Year Est. Return

LMR Partners's IMSR Position: Q1 2026 in Review

LMR Partners increased its Terrestrial Energy (IMSR) stake by 17% in Q1 2026, buying an estimated $813K and bringing the position to 690,702 shares worth $4.15M. The position accounts for 0.01% of the portfolio, ranked #690.

LMR Partners first reported a position in IMSR in Q4 2024 and has held it in 6 quarters since. The position peaked at $15M in Q4 2024. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • LMR Partners held 690,702 shares of Terrestrial Energy worth $4.15M as of Q1 2026.
  • LMR Partners bought 102,488 Terrestrial Energy shares in Q1 2026, an estimated $813K.
  • Terrestrial Energy made up 0.01% of LMR Partners's portfolio in Q1 2026, its #690 holding.
  • LMR Partners first reported a position in Terrestrial Energy in Q4 2024 and has held it in 6 quarters since.
  • LMR Partners's Terrestrial Energy position peaked at $15M in Q4 2024.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on LMR Partners's 13F filing for Q1 2026, filed 15 May 2026.