aTYR PHARMA INC

ATYRNASDAQ

$0.29-0.01 (-2.38% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

aTYR PHARMA INC price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-59.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Federated Hermes, Inc.	8.68%	$5.08M	0.01%	Not reported
Vanguard Capital Management LLC	3.88%	$2.27M	0.00%	Not reported
Kalehua Capital Management LLC	3.65%	$2.13M	0.68%	New Not reported
Gsa Capital Partners LLP	3.52%	$2.06M	0.13%	Not reported
AQR Capital Management LLC	2.66%	$1.56M	0.00%	Not reported
FMR LLC	2.52%	$1.47M	0.00%	Not reported
BlackRock, Inc.	1.86%	$1.09M	0.00%	Not reported
Jane Street Group, LLC	1.75%	$1.03M	0.00%	Not reported
UBS Group AG	1.56%	$914K	0.00%	Not reported
Morgan Stanley	1.37%	$802K	0.00%	Not reported
Two Sigma Investments, LP	1.27%	$743K	0.00%	Not reported
Citadel Advisors LLC	1.27%	$741K	0.00%	Not reported
Geode Capital Management, LLC	1.20%	$703K	0.00%	Not reported
Susquehanna International Group, LLP	0.76%	$446K	0.00%	Not reported
Millennium Management LLC	0.67%	$392K	0.00%	Not reported
Goldman Sachs Group Inc	0.65%	$383K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.59%	$344K	0.00%	Not reported
State Street Corp	0.50%	$295K	0.00%	Not reported
Marshall Wace, LLP	0.38%	$221K	0.00%	Not reported
XTX Topco Ltd	0.23%	$135K	0.00%	Not reported
Northern Trust Corp	0.22%	$131K	0.00%	Not reported
Bank of America Corp	0.21%	$124K	0.00%	Not reported
Renaissance Technologies LLC	0.17%	$98.6K	0.00%	Not reported
JPMorgan Chase & Co	0.15%	$85.3K	0.00%	Not reported
Qube Research & Technologies Ltd	0.13%	$75.8K	0.00%	Not reported
Dimensional Fund Advisors LP	0.09%	$54.1K	0.00%	Not reported
Mariner, LLC	0.06%	$35K	0.00%	Not reported
Mercer Global Advisors Inc	0.05%	$31.9K	0.00%	Not reported
Kingswood Wealth Advisors, LLC	0.05%	$31K	0.00%	Not reported
Schonfeld Strategic Advisors LLC	0.05%	$30.4K	0.00%	Not reported
ADAR1 Capital Management, LLC	0.05%	$30.2K	0.00%	Not reported
Alpha Wealth Funds, LLC	0.05%	$29.9K	0.02%	New Not reported
Tower Research Capital LLC (TRC)	0.05%	$29.1K	0.00%	Not reported
Virtu Financial LLC	0.05%	$28K	0.00%	Not reported
Wealth Enhancement Advisory Services, LLC	0.04%	$23.9K	0.00%	Not reported
Creative Planning	0.04%	$24.8K	0.00%	Not reported
Point72 Asset Management, L.P.	0.04%	$22.2K	0.00%	Not reported
Hobbs Group Advisors, LLC	0.04%	$21.5K	0.01%	Add 85.34%
LPL Financial LLC	0.04%	$21.2K	0.00%	Not reported
Captrust Financial Advisors	0.03%	$20.3K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.03%	$19.9K	0.00%	Not reported
Barclays PLC	0.03%	$18.5K	0.00%	Not reported
Rhumbline Advisers	0.03%	$18.2K	0.00%	Not reported
Cerity Partners LLC	0.03%	$17.4K	0.00%	Not reported
Rockefeller Capital Management L.P.	0.03%	$16.8K	0.00%	Not reported
BNP Paribas Financial Markets	0.03%	$15K	0.00%	Not reported
Balyasny Asset Management L.P.	0.02%	$13.7K	0.00%	Not reported
Y-Intercept (Hong Kong) Ltd	0.02%	$13.4K	0.00%	Not reported
Abel Hall, LLC	0.02%	$13.2K	0.00%	Not reported
Steward Partners Investment Advisory, LLC	0.02%	$11.7K	0.00%	Not reported

50 of 84 holders

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