Fox Run Management’s Insmed INSM Stock Holding History

Fox Run 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 Q2	$416K	Buy	+3,903	New	+$473K	0.07%	545
2025 Q4	–	Sell	-5,012	Closed	-$722K	–	1068
2025 Q3	$722K	Buy	+5,012	New	+$614K	0.11%	343
2024 Q4	–	Sell	-4,366	Closed	-$319K	–	1012
2024 Q3	$319K	Buy	+4,366	New	+$322K	0.07%	518
2024 Q2	–	Sell	-16,416	Closed	-$445K	–	911
2024 Q1	$445K	Buy	+16,416	New	+$459K	0.1%	410
2022 Q4	–	Sell	-23,174	Closed	-$499K	–	753
2022 Q3	$499K	Buy	+23,174	New	+$556K	0.19%	177
2020 Q1	–	Sell	-14,389	Closed	-$344K	–	243
2019 Q4	$344K	Buy	+14,389	New	+$293K	0.28%	131
2019 Q3	–	Sell	-15,127	Closed	-$387K	–	459
2019 Q2	$387K	Buy	+15,127	New	+$421K	0.26%	138
2018 Q3	–	Sell	-19,894	Closed	-$470K	–	694
2018 Q2	$470K	Buy	+19,894	New	+$512K	0.15%	272

Other funds holding INSM

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

BBA

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

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

DGM

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

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Fox Run Management's INSM Position: Q2 2026 in Review

Fox Run Management opened a new position in Insmed (INSM) in Q2 2026: 3,903 shares worth $416K. The stake represents 0.07% of the portfolio and ranks #545 among its holdings. This is a return to the name: Fox Run Management previously reported a position in INSM as recently as Q3 2025.

Fox Run Management first reported a position in INSM in Q2 2018 and has held it in 8 quarters since. The position peaked at $722K in Q3 2025. 666 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Fox Run Management held 3,903 shares of Insmed worth $416K as of Q2 2026.
Insmed was a new Fox Run Management position in Q2 2026.
Insmed made up 0.07% of Fox Run Management's portfolio in Q2 2026, its #545 holding.
Fox Run Management first reported a position in Insmed in Q2 2018 and has held it in 8 quarters since.
Fox Run Management's Insmed position peaked at $722K in Q3 2025.
666 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Fox Run Management's 13F filing for Q2 2026, filed 4 Aug 2026.