FMR LLC

Position in INSM — INSMED Inc

CIK 315066 BOSTON, MA

Back to INSM Full portfolio

Position in INSM

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$2,151,950,504

+$424,092,525 QoQ

Shares Held

13,160,167

+32.6% QoQ

Ownership

6.07%

of shares outstanding

% of Portfolio

0.12%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 98.1121668136886.ToString("F0")% Shared 0.ToString("F0")% None 1.8878331863113895.ToString("F0")%

Common Shares in INSM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

FMR LLC holds $49,683,576,696 across 351 Biotechnology names. INSM ranks #5 (4.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	14,579,166	$4,823,808,652
2	ARGX	Argenx SE	4,991,034	$3,644,702,577
3	MRNA	Moderna, Inc.	45,672,024	$2,320,138,818
4	ROIV	Roivant Sciences Ltd.	77,981,253	$2,160,080,705
5	INSM	INSMED Inc This page	13,160,167	$2,151,950,504
6	IONS	Ionis Pharmaceuticals Inc	24,556,637	$1,843,957,869
7	RPRX	Royalty Pharma plc	25,152,242	$1,206,553,046
8	REGN	Regeneron Pharmaceuticals, Inc.	1,518,192	$1,173,015,865

All Filings in INSM

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,151,950,504	13,160,167	+32.6%	Shares	Defined	2026-05-15
2025-12-31	$1,727,857,979	9,927,936	+8.1%	Shares	Defined	2026-02-17
2025-09-30	$1,322,150,480	9,180,963	+80.3%	Shares	Defined	2025-11-13
2025-06-30	$512,585,785	5,093,261	+50.0%	Shares	Defined	2025-08-14
2025-03-31	$258,957,554	3,394,384	-30.1%	Shares	Defined	2025-05-12
2024-12-31	$335,275,428	4,856,249	-32.5%	Shares	Defined	2025-02-13
2024-09-30	$524,980,814	7,191,518	-1.6%	Shares	Defined	2024-11-13
2024-06-30	$489,443,710	7,305,130	-21.6%	Shares	Defined	2024-08-13
2024-03-31	$252,821,593	9,318,894	+83.0%	Shares	Defined	2024-05-13
2023-12-31	$157,789,115	5,091,614	+18.3%	Shares	Defined	2024-02-13
2023-09-30	$108,700,087	4,304,954	+5.4%	Shares	Defined	2023-11-13
2023-06-30	$86,157,522	4,083,295	+13.8%	Shares	Defined	2023-08-11
2023-03-31	$61,158,348	3,587,000	-4.8%	Shares	Defined	2023-08-11
2022-12-31	$75,292,771	3,768,407	+6.2%	Shares	Defined	2023-02-13
2022-09-30	$76,408,969	3,547,306	+3.5%	Shares	Defined	2022-11-10
2022-06-30	$67,609,743	3,428,486	+1.9%	Shares	Defined	2022-08-12
2022-03-31	$79,076,042	3,364,938	-5.1%	Shares	Defined	2022-05-13
2021-12-31	$96,572,090	3,545,231	-11.4%	Shares	Defined	2022-02-14
2021-09-30	$110,217,666	4,002,094	-7.7%	Shares	Defined	2022-02-14
2021-06-30	$123,385,653	4,335,406	-27.4%	Shares	Defined	2021-08-13
2021-03-31	$203,336,699	5,969,956	-50.6%	Shares	Defined	2021-05-14
2020-12-31	$402,427,629	12,088,544	-20.6%	Shares	Defined	2021-02-08
2020-09-30	$489,238,485	15,222,106	+1.9%	Shares	Defined	2020-11-13
2020-06-30	$411,279,081	14,933,881	+10.9%	Shares	Defined	2020-08-24
2020-03-31	$215,862,126	13,466,134	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.