Capital International Investors’s Insmed INSM Stock Holding History

Capital International 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	$878M	Buy	8,238,124 +2,642,930	+47%	+$320M	0.18%	106
2026 Q1	$915M	Buy	5,595,194 +443,523	+9%	+$68.2M	0.21%	102
2025 Q4	$897M	Sell	5,151,671 -2,402,182	-32%	-$438M	0.14%	123
2025 Q3	$1.09B	Buy	7,553,853 +74,994	+1%	+$9.19M	0.18%	101
2025 Q2	$753M	Buy	7,478,859 +280,374	+4%	+$21.4M	0.13%	135
2025 Q1	$549M	Buy	7,198,485 +81,488	+1%	+$6.23M	0.11%	153
2024 Q4	$491M	Buy	7,116,997 +593,206	+9%	+$42.7M	0.09%	163
2024 Q3	$476M	Buy	6,523,791 +653,903	+11%	+$48.3M	0.09%	166
2024 Q2	$393M	Buy	5,869,888 +4,249,074	+262%	+$165M	0.08%	176
2024 Q1	$44M	Buy	+1,620,814	New	+$45.4M	0.01%	334

Other funds holding INSM

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

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

Capital International Investors increased its Insmed (INSM) stake by 47% in Q2 2026, buying an estimated $320M and bringing the position to 8,238,124 shares worth $878M. The position accounts for 0.18% of the portfolio, ranked #106.

Capital International Investors first reported a position in INSM in Q1 2024 and has held it in 10 quarters since. The position peaked at $1.09B in Q3 2025. 456 funds tracked by Wall St. Rank hold INSM as of Q2 2026.

Capital International Investors held 8,238,124 shares of Insmed worth $878M as of Q2 2026.
Capital International Investors bought 2,642,930 Insmed shares in Q2 2026, an estimated $320M.
Insmed made up 0.18% of Capital International Investors's portfolio in Q2 2026, its #106 holding.
Capital International Investors first reported a position in Insmed in Q1 2024 and has held it in 10 quarters since.
Capital International Investors's Insmed position peaked at $1.09B in Q3 2025.
456 funds tracked by Wall St. Rank held Insmed as of Q2 2026.

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