UBS Group
IMSR

UBS Group’s Terrestrial Energy IMSR Stock Holding History

UBS Group’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 		$12.5M Buy
1,772,173
+1,278,596
+259% +$9.45M ﹤0.01% 3189
2026
Q1 		$2.96M Sell
493,577
-19,067
-4% -$151K ﹤0.01% 4599
2025
Q4 		$3.13M Buy
512,644
+490,755
+2,242% +$6.56M ﹤0.01% 4519
2025
Q3 		$359K Buy
21,889
+18,241
+500% +$217K ﹤0.01% 6316
2025
Q2 		$40.5K Sell
3,648
-27,402
-88% -$305K ﹤0.01% 7942
2025
Q1 		$327K Buy
31,050
+14,430
+87% +$146K ﹤0.01% 6179
2024
Q4 		$167K Buy
+16,620
New +$166K ﹤0.01% 6566

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
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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

UBS Group's IMSR Position: Q2 2026 in Review

UBS Group increased its Terrestrial Energy (IMSR) stake by 259% in Q2 2026, buying an estimated $9.45M and bringing the position to 1,772,173 shares worth $12.5M. The position accounts for ﹤0.01% of the portfolio, ranked #3189.

UBS Group first reported a position in IMSR in Q4 2024 and has held it in 7 quarters since. 110 funds tracked by Wall St. Rank hold IMSR as of Q2 2026.

  • UBS Group held 1,772,173 shares of Terrestrial Energy worth $12.5M as of Q2 2026.
  • UBS Group bought 1,278,596 Terrestrial Energy shares in Q2 2026, an estimated $9.45M.
  • Terrestrial Energy made up ﹤0.01% of UBS Group's portfolio in Q2 2026, its #3189 holding.
  • UBS Group first reported a position in Terrestrial Energy in Q4 2024 and has held it in 7 quarters since.
  • 110 funds tracked by Wall St. Rank held Terrestrial Energy as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.