Perceptive Advisors’s Insmed INSM Stock Holding History

Perceptive Advisors’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 Q4	–	Sell	-702,130	Closed	-$101M	–	119
2025 Q3	$101M	Buy	702,130 +51,878	+8%	+$6.36M	2.92%	10
2025 Q2	$65.4M	Buy	650,252 +140,952	+28%	+$10.8M	2.43%	8
2025 Q1	$38.9M	Buy	509,300 +365,300	+254%	+$27.9M	1.37%	21
2024 Q4	$9.94M	Sell	144,000 -36,000	-20%	-$2.59M	0.27%	61
2024 Q3	$13.1M	Hold	180,000	–	–	0.28%	64
2024 Q2	$12.1M	Buy	+180,000	New	+$6.98M	0.29%	65
2015 Q3	–	Sell	-285,812	Closed	-$6.98M	–	171
2015 Q2	$6.98M	Sell	285,812 -300,000	-51%	-$6.81M	0.42%	53
2015 Q1	$12.2M	Sell	585,812 -100,000	-15%	-$1.76M	0.95%	29
2014 Q4	$10.6M	Buy	685,812 +85,812	+14%	+$1.22M	0.89%	33
2014 Q3	$7.83M	Sell	600,000 -1,200,000	-67%	-$18.1M	0.79%	33
2014 Q2	$36M	Buy	1,800,000 +1,460,000	+429%	+$21.6M	3.53%	9
2014 Q1	$6.47M	Buy	+340,000	New	+$6.46M	0.68%	40

Other funds holding INSM

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

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

DGM

Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

BBA

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

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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

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

Perceptive Advisors's INSM Position: Q4 2025 in Review

Perceptive Advisors sold out of Insmed (INSM) in Q4 2025, closing a stake of 702,130 shares — an estimated $101M sold.

Perceptive Advisors first reported a position in INSM in Q1 2014 and held it in 12 quarters. The position peaked at $101M in Q3 2025. 676 funds tracked by Wall St. Rank hold INSM as of Q4 2025.

Perceptive Advisors reported no remaining Insmed position as of Q4 2025 after selling out during the quarter.
Perceptive Advisors sold 702,130 Insmed shares in Q4 2025, an estimated $101M.
Perceptive Advisors first reported a position in Insmed in Q1 2014 and held it in 12 quarters.
Perceptive Advisors's Insmed position peaked at $101M in Q3 2025.
676 funds tracked by Wall St. Rank held Insmed as of Q4 2025.

Based on Perceptive Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.