Polar Asset Management Partners’s Insmed INSM Stock Holding History

Polar Asset Management Partners’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	-92,300	Closed	-$9.29M	–	747
2025 Q2	$9.29M	Buy	+92,300	New	+$7.06M	0.15%	122
2025 Q1	–	Sell	-13,100	Closed	-$904K	–	638
2024 Q4	$904K	Sell	13,100 -44,400	-77%	-$3.2M	0.01%	450
2024 Q3	$4.2M	Buy	57,500 +39,400	+218%	+$2.91M	0.09%	221
2024 Q2	$1.21M	Sell	18,100 -47,700	-72%	-$1.85M	0.03%	371
2024 Q1	$1.79M	Sell	65,800 -24,500	-27%	-$686K	0.03%	373
2023 Q4	$2.8M	Hold	90,300	–	–	0.05%	325
2023 Q3	$2.28M	Buy	+90,300	New	+$2.07M	0.05%	367

Other funds holding INSM

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

DGM

Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return

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

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

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

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

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Polar Asset Management Partners's INSM Position: Q3 2025 in Review

Polar Asset Management Partners sold out of Insmed (INSM) in Q3 2025, closing a stake of 92,300 shares — an estimated $9.29M sold.

Polar Asset Management Partners first reported a position in INSM in Q3 2023 and held it in 7 quarters. The position peaked at $9.29M in Q2 2025. 566 funds tracked by Wall St. Rank hold INSM as of Q3 2025.

Polar Asset Management Partners reported no remaining Insmed position as of Q3 2025 after selling out during the quarter.
Polar Asset Management Partners sold 92,300 Insmed shares in Q3 2025, an estimated $9.29M.
Polar Asset Management Partners first reported a position in Insmed in Q3 2023 and held it in 7 quarters.
Polar Asset Management Partners's Insmed position peaked at $9.29M in Q2 2025.
566 funds tracked by Wall St. Rank held Insmed as of Q3 2025.

Based on Polar Asset Management Partners's 13F filing for Q3 2025, filed 14 Nov 2025.