WCMNY
IMSR

Westchester Capital Management (New York)’s Terrestrial Energy IMSR Stock Holding History

Westchester Capital Management (New York)’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
2025
Q3 		– Sell
-199,691
Closed -$2.22M – 289
2025
Q2 		$2.22M Sell
199,691
-470,790
-70% -$5.24M 0.12% 109
2025
Q1 		$7.09M Hold
670,481
– – 0.37% 49
2024
Q4 		$6.72M Buy
+670,481
New +$6.7M 0.37% 46

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LP
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Millennium Management
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VCM
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CF
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DKCM
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SG
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Westchester Capital Management (New York)'s IMSR Position: Q3 2025 in Review

Westchester Capital Management (New York) sold out of Terrestrial Energy (IMSR) in Q3 2025, closing a stake of 199,691 shares — an estimated $2.22M sold.

Westchester Capital Management (New York) first reported a position in IMSR in Q4 2024 and held it in 3 quarters. The position peaked at $7.09M in Q1 2025. 66 funds tracked by Wall St. Rank hold IMSR as of Q3 2025.

  • Westchester Capital Management (New York) reported no remaining Terrestrial Energy position as of Q3 2025 after selling out during the quarter.
  • Westchester Capital Management (New York) sold 199,691 Terrestrial Energy shares in Q3 2025, an estimated $2.22M.
  • Westchester Capital Management (New York) first reported a position in Terrestrial Energy in Q4 2024 and held it in 3 quarters.
  • Westchester Capital Management (New York)'s Terrestrial Energy position peaked at $7.09M in Q1 2025.
  • 66 funds tracked by Wall St. Rank held Terrestrial Energy as of Q3 2025.

Based on Westchester Capital Management (New York)'s 13F filing for Q3 2025, filed 14 Nov 2025.