Capital International Investors

Position in INSM — INSMED Inc

CIK 1562230 Los Angeles, CA

Position in INSM

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$914,926,122

+$18,329,302 QoQ

Shares Held

5,595,194

+8.6% QoQ

Ownership

2.58%

of shares outstanding

% of Portfolio

0.23%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2024

9 quarters on record

Voting authority Sole 99.93737482560925.ToString("F0")% Shared 0.ToString("F0")% None 0.06262517439073605.ToString("F0")%

Healthcare · as of Mar 31, 2026

Capital International Investors holds $7,233,634,148 across 15 Biotechnology names. INSM ranks #4 (12.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	5,126,077	$2,288,998,423
2	RPRX	Royalty Pharma plc	35,005,736	$1,679,225,155
3	ONC	BeOne Medicines Ltd.	4,158,726	$1,235,016,860
4	INSM	INSMED Inc This page	5,595,194	$914,926,122
5	ASND	Ascendis Pharma A/S	1,958,843	$448,046,159
6	XENE	Xenon Pharmaceuticals Inc.	2,674,727	$155,535,375
7	RAPP	Rapport Therapeutics, Inc.	3,097,973	$96,935,575
8	CYTK	Cytokinetics Inc	1,338,803	$88,240,505

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$914,926,122	5,595,194	+8.6%	Shares	Defined	2026-05-13
2025-12-31	$896,596,820	5,151,671	-31.8%	Shares	Defined	2026-02-11
2025-09-30	$1,087,830,370	7,553,853	+1.0%	Shares	Defined	2025-11-13
2025-06-30	$752,672,369	7,478,859	+3.9%	Shares	Defined	2025-08-13
2025-03-31	$549,172,420	7,198,485	+1.1%	Shares	Defined	2025-05-12
2024-12-31	$491,357,472	7,116,997	+9.1%	Shares	Defined	2025-02-13
2024-09-30	$476,236,743	6,523,791	+11.1%	Shares	Defined	2024-11-13
2024-06-30	$393,282,496	5,869,888	+262.2%	Shares	Defined	2024-08-13
2024-03-31	$43,972,683	1,620,814	—	Shares	Defined	2024-05-14
No filing history on record for this holder in this stock.