Sourcerock Group’s Terrestrial Energy IMSR Stock Holding History

Sourcerock 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
2025 Q4	–	Sell	-257,900	Closed	-$4.23M	–	49
2025 Q3	$4.23M	Buy	+257,900	New	+$3.07M	0.29%	33

Other funds holding IMSR

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

SIG

Senator Investment Group New York $2.74B AUM 55.95% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Verition Fund Management Greenwich, Connecticut $19.7B AUM 39.39% 1-Year Est. Return

MMCAP International Grand Cayman, Cayman Islands $1.18B AUM 50.44% 1-Year Est. Return

Sourcerock Group's IMSR Position: Q4 2025 in Review

Sourcerock Group sold out of Terrestrial Energy (IMSR) in Q4 2025, closing a stake of 257,900 shares — an estimated $4.23M sold.

Sourcerock Group first reported a position in IMSR in Q3 2025 and held it in 1 quarter. The position peaked at $4.23M in Q3 2025. 82 funds tracked by Wall St. Rank hold IMSR as of Q4 2025.

Sourcerock Group reported no remaining Terrestrial Energy position as of Q4 2025 after selling out during the quarter.
Sourcerock Group sold 257,900 Terrestrial Energy shares in Q4 2025, an estimated $4.23M.
Sourcerock Group first reported a position in Terrestrial Energy in Q3 2025 and held it in 1 quarter.
Sourcerock Group's Terrestrial Energy position peaked at $4.23M in Q3 2025.
82 funds tracked by Wall St. Rank held Terrestrial Energy as of Q4 2025.

Based on Sourcerock Group's 13F filing for Q4 2025, filed 13 Feb 2026.