aTyr Pharma, Inc. (ATYR)

NASDAQ:
ATYR
| Latest update: Mar 1, 2026, 7:27 PM

Stock events for aTyr Pharma, Inc. (ATYR)

Over the past six months, aTyr Pharma's stock price has significantly declined. The Phase 3 EFZO-FIT™ study of efzofitimod in pulmonary sarcoidosis did not meet its primary endpoint, though clinical benefits were observed in secondary efficacy parameters. HC Wainwright & Co. downgraded its outlook for aTyr Pharma from "Buy" to "Neutral." A securities class action lawsuit was filed, alleging false and misleading statements about efzofitimod's efficacy. Insider stock sales were reported, and aTyr Pharma plans to meet with the FDA to review the EFZO-FIT™ study results.

Demand Seasonality affecting aTyr Pharma, Inc.’s stock price

As a clinical-stage biotherapeutics company, aTyr Pharma, Inc. does not currently exhibit traditional product or service demand seasonality, as its revenue is primarily from license and collaboration agreements, which are not subject to seasonal fluctuations in demand. There is some historical stock performance seasonality noted, but this pertains to stock trading patterns rather than the demand for its products.

Overview of aTyr Pharma, Inc.’s business

aTyr Pharma, Inc. is a biotherapeutics company focused on discovering and developing first-in-class medicines from its tRNA synthetase platform, concentrating on the extracellular functionality and signaling pathways of tRNA synthetases. Their lead product candidate, efzofitimod, targets Neuropilin-2 (NRP2) to resolve chronic inflammation and is being developed as a potential therapy for interstitial lung disease (ILD), including pulmonary sarcoidosis. Other product candidates include ATYR2810, NRP2 mAbs, AARS-1, DARS-1, ATYR0101, and ATYR0750.

ATYR’s Geographic footprint

aTyr Pharma, Inc. is headquartered in San Diego, California, United States, and has conducted a global Phase 3 study for efzofitimod, implying international reach for its clinical trials.

ATYR Corporate Image Assessment

aTyr Pharma's brand reputation has been negatively impacted by the failure of the Phase 3 EFZO-FIT™ study to meet its primary endpoint and the subsequent securities class action lawsuit alleging misleading statements about efzofitimod's efficacy. Analyst downgrades and reductions in price targets also reflect a challenged reputation.

Ownership

aTyr Pharma, Inc. has 202 institutional owners and shareholders, holding a total of 62,426,844 shares, with institutional investors collectively holding over 50% of the company. Major institutional owners include Fidelity Management & Research Co. LLC, Federated Hermes, Inc., BlackRock, Inc., Vanguard Group Inc, State Street Corp, Geode Capital Management, Llc, and Point72 Asset Management, L.P. Paul Schimmel is also a significant individual owner.

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Price Chart

$0.96

3.03%
(1 month)

Top Shareholders

FMR LLC
15.00%
Federated Hermes, Inc.
10.73%
BlackRock, Inc.
6.68%
The Vanguard Group, Inc.
5.06%
GSA Capital Partners LLP
2.68%
Geode Holdings Trust
2.33%
MLM Trust B
2.25%
State Street Corp.
1.76%

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FAQ

What is the current stock price of aTyr Pharma, Inc.?

As of the latest update, aTyr Pharma, Inc.'s stock is trading at $0.96 per share.

What’s happening with aTyr Pharma, Inc. stock today?

Today, aTyr Pharma, Inc. stock is down by -3.03%, possibly due to news.

What is the market sentiment around aTyr Pharma, Inc. stock?

Current sentiment around aTyr Pharma, Inc. stock is negative, based on recent news, trading volume, and analyst opinions.

Is aTyr Pharma, Inc.'s stock price growing?

Over the past month, aTyr Pharma, Inc.'s stock price has decreased by -3.03%.

How can I buy aTyr Pharma, Inc. stock?

You can buy aTyr Pharma, Inc. stock through any brokerage platform, such as e.g., Robinhood, Fidelity, E*TRADE, by searching for the ticker symbol ATYR

Who are the major shareholders of aTyr Pharma, Inc. stock?

Major shareholders of aTyr Pharma, Inc. include institutions such as FMR LLC (15.00%), Federated Hermes, Inc. (10.73%), BlackRock, Inc. (6.68%) ... , according to the latest filings.