Shell Asset Management’s Insmed INSM Stock Holding History

Shell Asset 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
2025 Q3	$519K	Sell	3,604 -4,988	-58%	-$611K	0.05%	335
2025 Q2	$865K	Sell	8,592 -1,543	-15%	-$118K	0.03%	394
2025 Q1	$773K	Sell	10,135 -421	-4%	-$32.2K	0.04%	347
2024 Q4	$729K	Sell	10,556 -11	-0.1%	-$792	0.03%	384
2024 Q3	$771K	Buy	+10,567	New	+$780K	0.03%	376
2024 Q1	$958K	Buy	+14,294	New	+$400K	0.04%	300
2021 Q1	–	Sell	-8,639	Closed	-$288K	–	1470
2020 Q4	$288K	Hold	8,639	–	–	0.01%	1019
2020 Q3	$278K	Hold	8,639	–	–	0.01%	934
2020 Q2	$238K	Sell	8,639 -70	-0.8%	-$1.66K	0.01%	979
2020 Q1	$140K	Sell	8,709 -133	-2%	-$3.15K	﹤0.01%	1077
2019 Q4	$211K	Sell	8,842 -263	-3%	-$5.35K	﹤0.01%	1125
2019 Q3	$161K	Sell	9,105 -78	-0.8%	-$1.51K	﹤0.01%	1161
2019 Q2	$235K	Sell	9,183 -210	-2%	-$5.85K	0.01%	1100
2019 Q1	$273K	Buy	+9,393	New	+$243K	0.01%	1058

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

Shell Asset Management's INSM Position: Q3 2025 in Review

Shell Asset Management reduced its Insmed (INSM) stake by 58% in Q3 2025, selling an estimated $611K and leaving 3,604 shares worth $519K. The position accounts for 0.05% of the portfolio, ranked #335.

Shell Asset Management first reported a position in INSM in Q1 2019 and has held it in 14 quarters since. The position peaked at $958K in Q1 2024. 566 funds tracked by Wall St. Rank hold INSM as of Q3 2025.

Shell Asset Management held 3,604 shares of Insmed worth $519K as of Q3 2025.
Shell Asset Management sold 4,988 Insmed shares in Q3 2025, an estimated $611K.
Insmed made up 0.05% of Shell Asset Management's portfolio in Q3 2025, its #335 holding.
Shell Asset Management first reported a position in Insmed in Q1 2019 and has held it in 14 quarters since.
Shell Asset Management's Insmed position peaked at $958K in Q1 2024.
566 funds tracked by Wall St. Rank held Insmed as of Q3 2025.

Based on Shell Asset Management's 13F filing for Q3 2025, filed 7 Nov 2025.