Renaissance Technologies
IMSR

Renaissance Technologies’s Terrestrial Energy IMSR Stock Holding History

Renaissance Technologies’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 		$2.45M Buy
407,900
+235,100
+136% +$1.86M ﹤0.01% 1790
2025
Q4 		$1.06M Buy
+172,800
New +$2.31M ﹤0.01% 2242

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

Renaissance Technologies's IMSR Position: Q1 2026 in Review

Renaissance Technologies increased its Terrestrial Energy (IMSR) stake by 136% in Q1 2026, buying an estimated $1.86M and bringing the position to 407,900 shares worth $2.45M. The position accounts for ﹤0.01% of the portfolio, ranked #1790.

Renaissance Technologies 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.

  • Renaissance Technologies held 407,900 shares of Terrestrial Energy worth $2.45M as of Q1 2026.
  • Renaissance Technologies bought 235,100 Terrestrial Energy shares in Q1 2026, an estimated $1.86M.
  • Terrestrial Energy made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1790 holding.
  • Renaissance Technologies 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 Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.