aTYR PHARMA INC (ATYR) Institutional Ownership

Institutions by Trading Activity

97,153,541Shares Outstanding

55,241,817Shares held by institutions

$46,281,594Value of institutional holdings

56.86%Institutional ownership %

-2.12%Shares Changed QoQ

80No. of institutional investors

aTYR PHARMA INC (NASDAQ:ATYR) is held by 80 institutional investors per 13F filings through December 2025.

These investors held 56.5% of outstanding shares in December 2025, down from 64.1% in September 2025.
They decreased total shares held in aTYR PHARMA by -2.22% from the prior quarter, while the number of investors in ATYR increased 2.56% year over year.
Among the 80 funds, 38 bought more aTYR PHARMA shares, 25 sold down, and 17 held their ground.
The aggregate institutional position in aTYR PHARMA amounted to 54.85Mn shares as of December 2025, down by 1.25Mn shares quarter on quarter, and down 156.55K shares year over year.
Ares Financial Consulting, LLC leads ownership in ATYR with 2.0K shares as of December 31, 2025, equal to 0.0% of outstanding shares.
Top purchasers of ATYR stock for the quarter ending December 2025 included Ares Financial Consulting, LLC (2.0K).
Per Business Quant, the top 1 investors in ATYR for the quarter ending December 2025 include Ares Financial Consulting, LLC (2.0K).

55,241,817 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	14,697,995	0	0.00%	$11,510,000.00
Federated Hermes, Inc.	31 Dec, 2025	10,509,678	-34,759	-0.33%	$8,230,129.00
BlackRock, Inc.	31 Dec, 2025	6,549,699	75,815	1.17%	$5,129,068.00
VANGUARD GROUP INC	31 Dec, 2025	4,961,871	-669,064	-11.88%	$3,885,145.00
GSA CAPITAL PARTNERS LLP	31 Dec, 2025	2,630,638	1,923,907	272.23%	$2,060.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,283,717	105,514	4.84%	$1,788,716.00
State Street Corp	31 Dec, 2025	1,724,843	-2,471,323	-58.89%	$1,350,725.00
UBS Group AG	31 Dec, 2025	1,625,297	-2,880,658	-63.93%	$1,272,607.00
Morgan Stanley	31 Dec, 2025	1,403,009	692,668	97.51%	$1,098,696.00
Rosalind Advisors, Inc.	31 Dec, 2025	1,039,080	0	0.00%	$13,601,557.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	841,350	841,350	0.00%	$658,861.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	769,820	769,820	0.00%	$602,847.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	764,743	638,071	503.72%	$598,870.00
Northern Trust Corp	31 Dec, 2025	702,186	28,064	4.16%	$549,882.00
Goldman Sachs Group Inc	31 Dec, 2025	691,174	3,009	0.44%	$541,258.00
Tikvah Management LLC	31 Dec, 2025	460,833	0	0.00%	$360,878.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	454,443	243,443	115.38%	$355,874.00
Nuveen, LLC	31 Dec, 2025	227,941	0	0.00%	$178,500.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	221,767	-39,276	-15.05%	$173,666.00
Bank of New York Mellon Corp	31 Dec, 2025	193,532	-6,266	-3.14%	$151,555.00

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