VANGUARD GROUP INC

Position in ATYR — aTYR PHARMA INC

CIK 102909 Valley Forge, PA

Position in ATYR

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

Position Value

$3,885,144

-$174,758 QoQ

Shares Held

4,961,871

-11.9% QoQ

Ownership

5.06%

of shares outstanding

% of Portfolio

0.00%

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 13.085386540681931.ToString("F0")% None 86.91461345931806.ToString("F0")%

Healthcare · as of Dec 31, 2025

VANGUARD GROUP INC holds $65,710,756,184 across 450 Biotechnology names. ATYR ranks #283 (0.0% 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.	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

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$3,885,144	4,961,871	-11.9%	Shares	Defined	2026-01-29
2025-09-30	$4,059,902	5,630,935	+21.0%	Shares	Defined	2025-11-07
2025-06-30	$23,601,092	4,655,048	+16.2%	Shares	Defined	2025-08-11
2025-03-31	$12,100,339	4,006,735	+11.1%	Shares	Sole	2025-05-09
2024-12-31	$13,049,835	3,604,927	+20.7%	Shares	Sole	2025-02-11
2024-09-30	$5,258,136	2,987,578	+12.6%	Shares	Defined	2024-11-13
2024-06-30	$4,137,364	2,652,157	0.0%	Shares	Defined	2024-08-13
2024-03-31	$5,171,705	2,652,157	+12.0%	Shares	Sole	2024-05-10
2023-12-31	$3,339,520	2,368,454	+3.7%	Shares	Defined	2024-03-11
2023-09-30	$3,608,096	2,283,606	-0.7%	Shares	Sole	2023-12-18
2023-06-30	$4,969,541	2,300,714	+9.9%	Shares	Sole	2023-08-14
2023-03-31	$4,397,939	2,094,257	+83.7%	Shares	Sole	2023-07-14
2022-12-31	$2,496,875	1,140,126	+0.1%	Shares	Defined	2023-02-10
2022-09-30	$3,418,599	1,139,533	0.0%	Shares	Sole	2022-11-14
2022-06-30	$3,224,877	1,139,533	0.0%	Shares	Sole	2022-08-12
2022-03-31	$6,096,500	1,139,533	+2.4%	Shares	Sole	2022-05-13
2021-12-31	$8,315,536	1,113,191	+22.8%	Shares	Sole	2022-02-14
2021-09-30	$8,233,207	906,741	+52.3%	Shares	Sole	2021-11-12
2021-06-30	$2,904,584	595,202	+101.7%	Shares	Defined	2021-08-13
2021-03-31	$1,313,216	295,105	+18.0%	Shares	Defined	2021-05-14
2020-12-31	$970,569	250,147	+7.0%	Shares	Defined	2021-02-12
2020-09-30	$755,334	233,850	+5.4%	Shares	Sole	2020-11-16
2020-06-30	$985,404	221,938	0.0%	Shares	Sole	2020-08-14
2020-03-31	$621,426	221,938	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.