Corton Capital’s Insmed INSM Stock Holding History

Corton Capital’s Portfolio INSM Stock Details INSM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-3,909	Closed	-$393K	–	284
2025 Q2	$393K	Buy	+3,909	New	+$299K	0.46%	32
2024 Q3	–	Sell	-3,194	Closed	-$214K	–	573
2024 Q2	$214K	Buy	+3,194	New	+$124K	0.11%	332
2023 Q3	–	Sell	-10,316	Closed	-$218K	–	470
2023 Q2	$218K	Buy	+10,316	New	+$196K	0.1%	303

Other funds holding INSM

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

DGM

Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 1-Year Est. Return

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Corton Capital's INSM Position: Q3 2025 in Review

Corton Capital sold out of Insmed (INSM) in Q3 2025, closing a stake of 3,909 shares — an estimated $393K sold.

Corton Capital first reported a position in INSM in Q2 2023 and held it in 3 quarters. The position peaked at $393K in Q2 2025. 566 funds tracked by Wall St. Rank hold INSM as of Q3 2025.

Corton Capital reported no remaining Insmed position as of Q3 2025 after selling out during the quarter.
Corton Capital sold 3,909 Insmed shares in Q3 2025, an estimated $393K.
Corton Capital first reported a position in Insmed in Q2 2023 and held it in 3 quarters.
Corton Capital's Insmed position peaked at $393K in Q2 2025.
566 funds tracked by Wall St. Rank held Insmed as of Q3 2025.

Based on Corton Capital's 13F filing for Q3 2025, filed 14 Nov 2025.