MI
IMSR

MMCAP International’s Terrestrial Energy IMSR Stock Holding History

MMCAP International’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 		$266K Sell
44,279
-705,721
-94% -$5.6M 0.02% 148
2025
Q4 		$4.58M Buy
+750,000
New +$10M 0.46% 57
2025
Q3 		– Sell
-962,068
Closed -$10.7M – 182
2025
Q2 		$10.7M Sell
962,068
-17,932
-2% -$199K 1.28% 22
2025
Q1 		$10.3M Buy
+980,000
New +$9.94M 1.76% 16

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

MMCAP International's IMSR Position: Q1 2026 in Review

MMCAP International reduced its Terrestrial Energy (IMSR) stake by 94% in Q1 2026, selling an estimated $5.6M and leaving 44,279 shares worth $266K. The position accounts for 0.02% of the portfolio, ranked #148.

MMCAP International first reported a position in IMSR in Q1 2025 and has held it in 4 quarters since. The position peaked at $10.7M in Q2 2025. 88 funds tracked by Wall St. Rank hold IMSR as of Q1 2026.

  • MMCAP International held 44,279 shares of Terrestrial Energy worth $266K as of Q1 2026.
  • MMCAP International sold 705,721 Terrestrial Energy shares in Q1 2026, an estimated $5.6M.
  • Terrestrial Energy made up 0.02% of MMCAP International's portfolio in Q1 2026, its #148 holding.
  • MMCAP International first reported a position in Terrestrial Energy in Q1 2025 and has held it in 4 quarters since.
  • MMCAP International's Terrestrial Energy position peaked at $10.7M in Q2 2025.
  • 88 funds tracked by Wall St. Rank held Terrestrial Energy as of Q1 2026.

Based on MMCAP International's 13F filing for Q1 2026, filed 15 May 2026.