Marshall Wace’s Terrestrial Energy IMSR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$144K Sell
20,278
-5,999
-23% -$44.4K ﹤0.01% 2879
2026
Q1
$158K Sell
26,277
-4,616
-15% -$36.6K ﹤0.01% 2827
2025
Q4
$189K Buy
+30,893
New +$413K ﹤0.01% 2607

Other funds holding IMSR

Marshall Wace's IMSR Position: Q2 2026 in Review

Marshall Wace reduced its Terrestrial Energy (IMSR) stake by 23% in Q2 2026, selling an estimated $44.4K and leaving 20,278 shares worth $144K. The position accounts for ﹤0.01% of the portfolio, ranked #2879.

Marshall Wace first reported a position in IMSR in Q4 2025 and has held it in 3 quarters since. The position peaked at $189K in Q4 2025. 110 funds tracked by Wall St. Rank hold IMSR as of Q2 2026.

  • Marshall Wace held 20,278 shares of Terrestrial Energy worth $144K as of Q2 2026.
  • Marshall Wace sold 5,999 Terrestrial Energy shares in Q2 2026, an estimated $44.4K.
  • Terrestrial Energy made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2879 holding.
  • Marshall Wace first reported a position in Terrestrial Energy in Q4 2025 and has held it in 3 quarters since.
  • Marshall Wace's Terrestrial Energy position peaked at $189K in Q4 2025.
  • 110 funds tracked by Wall St. Rank held Terrestrial Energy as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.