Capital World Investors’s Insmed INSM Stock Holding History

Capital World Investors’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	–	Sell	-1,362,291	Closed	-$223M	–	666
2026 Q1	$223M	Buy	+1,362,291	New	+$209M	0.03%	293

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

Capital World Investors's INSM Position: Q2 2026 in Review

Capital World Investors sold out of Insmed (INSM) in Q2 2026, closing a stake of 1,362,291 shares — an estimated $223M sold.

Capital World Investors first reported a position in INSM in Q1 2026 and held it in 1 quarter. The position peaked at $223M in Q1 2026. 665 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Capital World Investors reported no remaining Insmed position as of Q2 2026 after selling out during the quarter.
Capital World Investors sold 1,362,291 Insmed shares in Q2 2026, an estimated $223M.
Capital World Investors first reported a position in Insmed in Q1 2026 and held it in 1 quarter.
Capital World Investors's Insmed position peaked at $223M in Q1 2026.
665 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

Based on Capital World Investors's 13F filing for Q2 2026, filed 12 Aug 2026.