D.E. Shaw & Co
IMSR

D.E. Shaw & Co’s Terrestrial Energy IMSR Stock Holding History

D.E. Shaw & Co’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 		$7.29M Buy
1,214,777
+135,231
+13% +$1.07M ﹤0.01% 1882
2025
Q4 		$6.6M Sell
1,079,546
-12,949
-1% -$173K ﹤0.01% 2086
2025
Q3 		$17.9M Buy
1,092,495
+122,495
+13% +$1.46M 0.01% 1251
2025
Q2 		$10.8M Hold
970,000
– – 0.01% 1432
2025
Q1 		$10.3M Buy
970,000
+50,000
+5% +$507K 0.01% 1363
2024
Q4 		$9.22M Buy
+920,000
New +$9.2M 0.01% 1556

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

D.E. Shaw & Co's IMSR Position: Q1 2026 in Review

D.E. Shaw & Co increased its Terrestrial Energy (IMSR) stake by 13% in Q1 2026, buying an estimated $1.07M and bringing the position to 1,214,777 shares worth $7.29M. The position accounts for ﹤0.01% of the portfolio, ranked #1882.

D.E. Shaw & Co first reported a position in IMSR in Q4 2024 and has held it in 6 quarters since. The position peaked at $17.9M in Q3 2025. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • D.E. Shaw & Co held 1,214,777 shares of Terrestrial Energy worth $7.29M as of Q1 2026.
  • D.E. Shaw & Co bought 135,231 Terrestrial Energy shares in Q1 2026, an estimated $1.07M.
  • Terrestrial Energy made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #1882 holding.
  • D.E. Shaw & Co first reported a position in Terrestrial Energy in Q4 2024 and has held it in 6 quarters since.
  • D.E. Shaw & Co's Terrestrial Energy position peaked at $17.9M in Q3 2025.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.