VANGUARD GROUP INC

Position in ALNY — Alnylam Pharmaceuticals, Inc.

CIK 102909 Valley Forge, PA

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Position in ALNY

as of Dec 31, 2025 · filed Jan 29, 2026 Compact

Position Value

$5,389,721,058

-$796,125,054 QoQ

Shares Held

13,553,932

-0.1% QoQ

Ownership

10.2%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 6.635255363535836.ToString("F0")% None 93.36474463646415.ToString("F0")%

Common Shares in ALNY Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Dec 31, 2025

VANGUARD GROUP INC holds $65,710,756,184 across 450 Biotechnology names. ALNY ranks #3 (8.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	24,105,823	$10,928,615,912
2	REGN	Regeneron Pharmaceuticals, Inc.	9,075,153	$7,004,838,343
3	ALNY	Alnylam Pharmaceuticals, Inc. This page	13,553,932	$5,389,721,058
4	INSM	INSMED Inc	21,076,344	$3,668,126,907
5	INCY	Incyte Corp	19,911,434	$1,966,652,333
6	RVMD	Revolution Medicines, Inc.	16,719,886	$1,331,738,919
7	IONS	Ionis Pharmaceuticals Inc	16,440,459	$1,300,604,709
8	BBIO	BridgeBio Pharma, Inc.	16,862,691	$1,289,827,232

All Filings in ALNY

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$5,389,721,058	13,553,932	-0.1%	Shares	Defined	2026-01-29
2025-09-30	$6,185,846,112	13,565,452	+2.0%	Shares	Sole	2025-11-07
2025-06-30	$4,336,064,054	13,297,139	+1.8%	Shares	Sole	2025-08-11
2025-03-31	$3,525,544,480	13,056,605	+2.5%	Shares	Defined	2025-05-09
2024-12-31	$2,996,296,117	12,733,399	+0.8%	Shares	Defined	2025-02-11
2024-09-30	$3,475,030,450	12,635,096	+1.0%	Shares	Defined	2024-11-13
2024-06-30	$3,039,390,054	12,507,778	+4.3%	Shares	Defined	2024-08-13
2024-03-31	$1,792,542,303	11,994,261	+0.4%	Shares	Defined	2024-05-10
2023-12-31	$2,286,180,939	11,943,895	+2.5%	Shares	Defined	2024-03-11
2023-09-30	$2,064,424,768	11,656,831	+0.3%	Shares	Sole	2023-12-18
2023-06-30	$2,208,284,795	11,626,223	+0.2%	Shares	Sole	2023-08-14
2023-03-31	$2,325,348,012	11,608,167	+0.9%	Shares	Sole	2023-07-14
2022-12-31	$2,734,666,115	11,507,116	+4.1%	Shares	Defined	2023-02-10
2022-09-30	$2,212,430,127	11,053,308	+0.1%	Shares	Sole	2022-11-14
2022-06-30	$1,610,539,580	11,042,438	+2.0%	Shares	Sole	2022-08-12
2022-03-31	$1,768,290,922	10,829,144	+1.2%	Shares	Sole	2022-05-13
2021-12-31	$1,814,975,904	10,702,771	+0.8%	Shares	Sole	2022-02-14
2021-09-30	$2,004,139,224	10,614,582	+1.1%	Shares	Sole	2021-11-12
2021-06-30	$1,779,569,084	10,497,694	-0.8%	Shares	Defined	2021-08-13
2021-03-31	$1,494,612,063	10,585,821	+0.6%	Shares	Defined	2021-05-14
2020-12-31	$1,368,119,323	10,526,424	-0.1%	Shares	Defined	2021-02-12
2020-09-30	$1,533,489,191	10,532,206	-3.4%	Shares	Sole	2020-11-16
2020-06-30	$1,614,574,360	10,901,184	+3.4%	Shares	Defined	2020-08-14
2020-03-31	$1,147,910,871	10,545,805	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.