aTyr Pharma, Inc.

NasdaqCM:ATYR Stock Report

Market Cap: US$87.3m

aTyr Pharma Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:ATYR Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
09 Oct 25BuyUS$911,801Paul SchimmelIndividual1,000,000US$0.94
17 Mar 25BuyUS$15,000Jane GrossIndividual3,750US$4.00

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ATYR?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders2,454,3392.5%
General Public36,439,40037.2%
Institutions59,092,89560.3%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 16.7%.

Top Shareholders

Top 25 shareholders own 58.54% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
15%
FMR LLC
14,697,995US$13.1m10.1%no data
10.7%
Federated Hermes, Inc.
10,509,678US$9.4m-0.33%0.02%
6.61%
BlackRock, Inc.
6,473,884US$5.8m12%no data
5.06%
The Vanguard Group, Inc.
4,961,871US$4.4m-11.9%no data
4.28%
State Street Global Advisors, Inc.
4,196,166US$3.7m238%no data
2.68%
GSA Capital Partners LLP
2,630,638US$2.3m272%0.21%
2.33%
Geode Capital Management, LLC
2,283,717US$2.0m4.84%no data
2.14%
Paul Schimmel
2,101,056US$1.9m90.8%no data
1.93%
Millennium Management LLC
1,890,921US$1.7m18.2%no data
1.66%
UBS Asset Management AG
1,625,297US$1.4m-63.9%no data
0.7%
Morgan Stanley
685,214US$610.5k166%no data
0.69%
Northern Trust Global Investments
674,122US$600.6k-1%no data
0.68%
Tang Capital Management, LLC
671,134US$597.9k0%0.02%
0.56%
Invesco Capital Management LLC
552,397US$492.1k0%no data
0.47%
Tikvah Management LLC
460,833US$410.6k-81.3%0.11%
0.45%
State of Wisconsin Investment Board
438,262US$390.5k0%no data
0.38%
Artia Global Partners LP
372,276US$331.7k0%0.07%
0.35%
Barclays PLC
341,296US$304.1k111%no data
0.32%
XTX Markets Limited
312,410US$278.3k0%0.01%
0.3%
Wellington Management Group LLP
289,231US$257.7k34.6%no data
0.27%
Charles Schwab Investment Management, Inc.
261,043US$232.6k0%no data
0.27%
The Goldman Sachs Group, Inc.
259,851US$231.5k-56.8%no data
0.24%
Brevan Howard Capital Management LP
234,613US$209.0k0%no data
0.23%
Jane Street Group, LLC
227,785US$202.9k525%no data
0.22%
Two Sigma Investments, LP
211,000US$188.0k574%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/02/13 12:41
End of Day Share Price 2026/02/13 00:00
Earnings2025/09/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

aTyr Pharma, Inc. is covered by 19 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
James BirchenoughBMO Capital Markets Equity Research
Prakhar AgrawalCantor Fitzgerald & Co.
Ilya ZubkovFreedom Broker