Frontier Capital Management’s Insmed INSM Stock Holding History

Frontier Capital Management’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
2026 Q1	$76.8M	Buy	469,561 +184,717	+65%	+$28.4M	0.79%	25
2025 Q4	$49.6M	Sell	284,844 -44,040	-13%	-$8.04M	0.53%	55
2025 Q3	$47.4M	Buy	328,884 +181,083	+123%	+$22.2M	0.42%	80
2025 Q2	$14.9M	Sell	147,801 -409,786	-73%	-$31.3M	0.14%	208
2025 Q1	$42.5M	Buy	557,587 +122,581	+28%	+$9.38M	0.47%	75
2024 Q4	$30M	Sell	435,006 -159,100	-27%	-$11.5M	0.29%	137
2024 Q3	$43.4M	Sell	594,106 -180,298	-23%	-$13.3M	0.41%	91
2024 Q2	$51.9M	Buy	774,404 +27,073	+4%	+$1.05M	0.51%	70
2024 Q1	$20.3M	Buy	+747,331	New	+$20.9M	0.19%	164
2021 Q3	–	Sell	-7,563	Closed	-$215K	–	288
2021 Q2	$215K	Sell	7,563 -113,846	-94%	-$3.38M	﹤0.01%	284
2021 Q1	$4.13M	Sell	121,409 -328,768	-73%	-$12.6M	0.03%	257
2020 Q4	$15M	Buy	450,177 +245,599	+120%	+$8.97M	0.11%	207
2020 Q3	$6.58M	Sell	204,578 -68,191	-25%	-$1.96M	0.06%	244
2020 Q2	$7.51M	Buy	+272,769	New	+$6.47M	0.07%	238

Other funds holding INSM

JP Morgan Chase

JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

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

Fidelity Investments

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

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Artisan Partners

Artisan Partners Milwaukee, Wisconsin $61.3B AUM 26.25% 1-Year Est. Return

D.E. Shaw & Co New York $127B AUM 43.98% 1-Year Est. Return

Capital International Investors

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