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aTyr Pharma, Inc. (ATYR) Stock Analysis

$0.503 -$0.0298 (-5.59%) |Avoid · 16
aTyr Pharma, Inc. (ATYR) bottom line: signals are mixed — the Council read leans Bearish Lean (26/100) while the AI fundamental score is 16/100 (grade F); the two lenses disagree, so weigh the breakdown below. Strongest signal: Ray Dalio bullish · Biggest watch-out: Seth Klarman bearish.
MCap: $49.3M| Vol: 766.7K|
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

aTyr Pharma, Inc. (ATYR) trades at $0.503 with AI Score 16/100 (Grade F). aTyr Pharma, Inc. is a biotherapeutics company focused on discovering and developing medicines based on novel immunological pathways. Market cap: $49.3M, Sector: Healthcare.

Price as of Aug 21, 2026 · Last analyzed: May 7, 2026
aTyr Pharma, Inc. is a biotherapeutics company focused on discovering and developing medicines based on novel immunological pathways. Their lead therapeutic candidate is efzofitimod, currently in Phase III clinical trials for pulmonary sarcoidosis and Phase 1b/2a trials for other interstitial lung diseases (ILDs).

Analyst Coverage for ATYR: ATYR does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates ATYR against Healthcare peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.

Watch the ATYR film Every key number, told as a short cinematic story — just press play. ~2 min
Council Score · Weighted Average of 3 Disciplines
Bearish Lean 26/100 · F

ATYR: 3/3 scored disciplines lean bearish. Dominant signal: Seth Klarman bearish.

How is this calculated? →
MoonshotScore · Growth Potential · 16/100
Business Quality
Negative Is this a genuinely good business?
Financial Safety
Weak Could this blow up on me?
Valuation
Negative Am I paying a fair price?
Growth Durability
Weak Is the growth real and likely to last?
Momentum
Negative Is the market already moving on this?
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Ken Griffin
Bullish
Izzy Englander
Bearish
Seth Klarman
Bearish
Moon AI
Bearish
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Negative
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →

Why this analysis is different

  • A sector-relative MoonshotScore — five pillars (business quality, financial safety, valuation, growth durability, momentum) re-ranked nightly against the full universe of US-listed common stocks.
  • An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
  • Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.

aTyr Pharma, Inc. (ATYR) Healthcare & Pipeline Overview

CEOSanjay S. Shukla
Employees56
HeadquartersSan Diego, CA, US
IPO Year2015

aTyr Pharma, Inc. is a biotherapeutics company specializing in the discovery and development of medicines targeting novel immunological pathways. Their lead candidate, efzofitimod, is undergoing Phase III trials for pulmonary sarcoidosis and Phase 1b/2a trials for other interstitial lung diseases, positioning them within the competitive biotechnology sector.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: May 7, 2026

What Is the Investment Thesis for ATYR?

As of May 7, 2026 — figures reflect the data available on that date.

aTyr Pharma's investment thesis centers on the potential of efzofitimod to address unmet needs in pulmonary sarcoidosis and other ILDs. The Phase III clinical trial for pulmonary sarcoidosis represents a near-term catalyst, with positive data potentially driving significant value. The company's pipeline of preclinical programs, including ATYR0101 and ATYR0750, offers longer-term growth opportunities in fibrosis and liver disorders. However, the company's negative profit margin of -39009.5% and gross margin of -11754.7% highlight the significant financial risks associated with biotechnology companies, particularly those in the clinical development stage. Successful commercialization of efzofitimod and advancement of the preclinical pipeline are critical for long-term value creation.

Based on FMP financials and quantitative analysis

ATYR Key Highlights

aTyr Pharma's lead therapeutic candidate, efzofitimod, is in Phase III clinical trial for pulmonary sarcoidosis.

  • The company has a collaboration and license agreement with Kyorin Pharmaceutical Co., Ltd. for the development and commercialization of efzofitimod for ILDs in Japan.
  • aTyr Pharma is developing ATYR0101, a fusion protein, for the treatment of fibrosis, currently in preclinical development.
  • The company's market capitalization is approximately $0.08 billion as of May 7, 2026.
  • aTyr Pharma's beta of 0.56 indicates lower volatility compared to the overall market.

Who Are ATYR's Competitors?

ATYR is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
RLYB Rallybio Corporation $16.60 -2.35% $88.1M 81
ICCC ImmuCell Corporation $10.09 -0.39% $91.3M 77
JNCE Jounce Therapeutics, Inc. $1.88 +0.00% $99.0M 71
ORMP Oramed Pharmaceuticals Inc. $4.79 +0.00% $196M 77
CGEN Compugen Ltd. $2.65 +8.61% $251M 76
NAGE Niagen Bioscience Inc $3.15 -0.63% $251M 74
ADAPY Adaptimmune Therapeutics plc $0.03 +0.00% $7.16M 72
ADGI Adagio Therapeutics, Inc. $4.64 +0.87% $506M 71

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are ATYR's Key Strengths?

Novel tRNA synthetase biology platform.

  • Lead therapeutic candidate, efzofitimod, in Phase III clinical trial.
  • Collaboration agreement with Kyorin Pharmaceutical Co., Ltd.
  • Focus on unmet needs in severe respiratory diseases and other immune-mediated conditions.

What Are ATYR's Weaknesses?

Negative profit margin and gross margin.

  • Reliance on the success of efzofitimod.
  • Limited financial resources compared to larger pharmaceutical companies.
  • Preclinical programs are early stage and high risk.

What Could Drive ATYR Stock Higher?

Data readout from Phase III clinical trial of efzofitimod for pulmonary sarcoidosis.

  • Initiation of Phase III clinical trials for efzofitimod in other interstitial lung diseases (ILDs).
  • IND filing for ATYR0101 for the treatment of fibrosis.
  • Continued enrollment and progress in Phase 1b/2a clinical trials for efzofitimod in other ILDs.

What Are the Key Risks for ATYR?

Financial-distress signal — its Altman Z-Score of -13.16 sits in the distress zone (elevated bankruptcy risk).

  • Negative return on equity (-99.9%) — the business is not currently generating profit on shareholder capital.
  • Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.
  • Failure of efzofitimod in Phase III clinical trial.
  • Competition from other pharmaceutical companies developing therapies for pulmonary sarcoidosis and other ILDs.
  • Regulatory hurdles and delays in obtaining FDA approval.
  • Difficulty in raising capital to fund research and development.
  • High cash burn rate due to ongoing clinical trials and research activities.

What Are the Growth Opportunities for ATYR?

  • Growth opportunity 1: Successful completion of the Phase III clinical trial for efzofitimod in pulmonary sarcoidosis represents a significant growth opportunity. Positive trial results could lead to regulatory approval and commercialization, addressing a market with substantial unmet need. Timeline: Anticipated data readout within the next 12-18 months.
  • Growth opportunity 2: Expansion of efzofitimod's clinical development into other interstitial lung diseases (ILDs), such as chronic hypersensitivity pneumonitis and connective tissue disease-related ILD, offers another avenue for growth. These ILDs represent distinct patient populations with limited treatment options, providing aTyr Pharma with the opportunity to address additional unmet needs and expand its market reach. The ILD market is estimated to be worth billions of dollars globally. Timeline: Ongoing Phase 1b/2a trials with potential for Phase III initiation in 2027.
  • Growth opportunity 3: Advancement of the preclinical pipeline, including ATYR0101 for fibrosis and ATYR0750 for liver disorders, represents a longer-term growth opportunity. These programs target large and growing markets with significant unmet needs. Successful development and commercialization of these therapies could diversify aTyr Pharma's product portfolio and revenue streams. The fibrosis and liver disease markets are each estimated to be multi-billion dollar markets. Timeline: IND filing for ATYR0101 anticipated in 2028.
  • Growth opportunity 4: Leveraging the collaboration and license agreement with Kyorin Pharmaceutical Co., Ltd. for efzofitimod in Japan provides aTyr Pharma with access to the Japanese market, one of the largest pharmaceutical markets in the world. This partnership allows aTyr Pharma to benefit from Kyorin's local expertise and infrastructure, accelerating the commercialization of efzofitimod in Japan. The Japanese ILD market is a significant portion of the global market. Timeline: Commercialization in Japan contingent on regulatory approval, expected post-Phase III success.
  • Growth opportunity 5: Exploring new therapeutic applications of tRNA synthetase biology beyond respiratory and liver diseases represents a longer-term growth opportunity. aTyr Pharma's expertise in this area could lead to the discovery and development of novel therapies for other immune-mediated conditions, expanding the company's pipeline and market reach. This could include autoimmune diseases or other inflammatory conditions. Timeline: Ongoing research and development with potential for new program initiation in 2029.

What Are ATYR's Competitive Advantages?

  • Proprietary tRNA synthetase biology platform for discovering novel therapeutic targets.
  • Patent protection for efzofitimod and other drug candidates.
  • Clinical data supporting the safety and efficacy of efzofitimod.
  • Collaboration agreement with Kyorin Pharmaceutical Co., Ltd. provides access to the Japanese market.

What Does ATYR Do?

aTyr Pharma, Inc., founded in 2005 and headquartered in San Diego, California, is a biotherapeutics company focused on the discovery and development of innovative medicines based on novel immunological pathways. The company's primary focus is on addressing unmet needs in severe respiratory diseases and other immune-mediated conditions. Their lead therapeutic candidate, efzofitimod, a selective modulator of NRP2 (neuropilin-2), is currently in Phase III clinical development for pulmonary sarcoidosis, a chronic inflammatory disease affecting the lungs. Additionally, efzofitimod is in Phase 1b/2a clinical trials for the treatment of other interstitial lung diseases (ILDs), including chronic hypersensitivity pneumonitis and connective tissue disease-related ILD. aTyr Pharma is also advancing a pipeline of preclinical programs, including ATYR0101, a fusion protein derived from a domain of aspartyl-tRNA synthetase, which is being developed for the treatment of fibrosis. Another preclinical asset, ATYR0750, a domain of alanyl-tRNA synthetase, is being explored for the treatment of liver disorders. The company's approach leverages its expertise in tRNA synthetase biology to develop novel therapies that modulate immune cell function and address the underlying causes of disease. aTyr Pharma has a collaboration and license agreement with Kyorin Pharmaceutical Co., Ltd. for the development and commercialization of efzofitimod for ILDs in Japan, expanding its geographic reach and potential market opportunities. The company operates with a team of 56 employees, focusing on research, development, and clinical advancement of its therapeutic candidates.

What Products and Services Does ATYR Offer?

  • Discovers and develops medicines based on novel immunological pathways.
  • Focuses on severe respiratory diseases and other immune-mediated conditions.
  • Develops efzofitimod, a selective modulator of NRP2, for pulmonary sarcoidosis and other interstitial lung diseases (ILDs).
  • Advances preclinical programs, including ATYR0101 for fibrosis and ATYR0750 for liver disorders.
  • Collaborates with Kyorin Pharmaceutical Co., Ltd. for the development and commercialization of efzofitimod in Japan.
  • Leverages tRNA synthetase biology to develop novel therapies that modulate immune cell function.

How Does ATYR Make Money?

  • Develops and patents novel therapeutic candidates.
  • Conducts preclinical and clinical trials to evaluate the safety and efficacy of its drug candidates.
  • Seeks regulatory approval from agencies like the FDA for commercialization.
  • Out-licenses or partners with other pharmaceutical companies for commercialization and distribution, as seen with Kyorin Pharmaceutical.

What Industry Does ATYR Operate In?

aTyr Pharma operates within the biotechnology industry, a sector characterized by high innovation, significant regulatory hurdles, and substantial financial risk. The market for pulmonary sarcoidosis and other interstitial lung diseases is substantial and growing, driven by an aging population and increasing prevalence of these conditions. Competition includes established pharmaceutical companies and other biotechnology firms developing therapies for respiratory and immune-mediated diseases. aTyr Pharma's focus on tRNA synthetase biology and novel immunological pathways differentiates it from some competitors, but the company faces challenges in securing regulatory approval and commercializing its products.

Who Are ATYR's Key Customers?

  • Patients suffering from pulmonary sarcoidosis and other interstitial lung diseases (ILDs).
  • Patients with fibrosis.
  • Patients with liver disorders.
  • Pharmaceutical companies through licensing and collaboration agreements.
AI Confidence: 71% Updated: May 7, 2026

Company Profile

aTyr Pharma, Inc. operates in the Biotechnology industry within the Healthcare sector. It is headquartered in San Diego, United States.

F-Score 2/9

Financial Health

aTyr Pharma, Inc.'s Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of -13.16 places it in the distress zone, a signal of elevated financial risk.

ROE -100%

Key Financial Metrics

Return on equity for aTyr Pharma, Inc. stands at -99.9%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -87.9%, showing how much profit it generates from its asset base. A current ratio of 5.78 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -156.8%, the inverse of the P/E and a quick read on earnings relative to price.

ATYR Valuation & Market Position

With a $49.3M market cap, aTyr Pharma, Inc. sits in the micro-cap segment of the market. Relative to its peer group, ATYR's quantitative score of 16/100 is below the peer average of 76/100.

FY2026 est

Forward Outlook

Wall Street analysts project aTyr Pharma, Inc. revenue of about $3.9M for fiscal 2026, with EPS near $-0.56. The estimate reflects 6 contributing analysts.

ATYR Financials

Fundamental Snapshot

Revenue Growth (FY)
-19.1%
Net Income Growth (FY)
-15.8%
EPS Growth (FY)
+7.0%
Free Cash Flow Growth (FY)
+10.3%
Return on Equity (TTM)
-99.9%
Current Ratio
5.8

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Recent insider buying suggests confidence in aTyr's pipeline, indicating that key stakeholders believe in the company's potential.
  • Community sentiment has shifted positively as discussions around their innovative therapies gain traction, reflecting growing interest.
  • Recent announcements about potential partnerships have sparked excitement, with many seeing these as validation of aTyr's research efforts.
  • The company's focus on rare diseases aligns with a growing market trend, attracting attention from investors looking for niche opportunities.

Bear Case

  • Despite recent positive sentiment, there's lingering skepticism about the long timelines often associated with drug development, which could deter some investors.
  • Market perception remains cautious due to previous volatility in biotech stocks, leading to hesitance among potential new investors.
  • Some community members express concerns about competition in the rare disease space, fearing that aTyr may struggle to differentiate its offerings.
  • Recent discussions highlight uncertainty around regulatory approvals, which could impact timelines and investor confidence moving forward.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

Recent Quarterly Results

Quarter Revenue Net Income EPS
Q3 2025 $190,000 -$26M -$0.26

Based on FMP financials and quantitative analysis

ATYR Latest News

No recent news available for ATYR.

ATYR Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for ATYR.

Price Targets

Wall Street price target analysis for ATYR.

ATYR MoonshotScore

16/100

What does this score mean?

The MoonshotScore rates ATYR 0-100 on quantitative fundamentals — growth, financial health, valuation, momentum, and risk.

Leadership: Sanjay S. Shukla

CEO

Sanjay S. Shukla serves as the CEO of aTyr Pharma, bringing extensive experience in the biopharmaceutical industry. His background includes leadership roles in various companies, focusing on strategic development, clinical operations, and commercialization. He has a proven track record of driving growth and innovation in the healthcare sector. His expertise spans across multiple therapeutic areas, including respiratory diseases and immunology. He is responsible for managing a team of 56 employees.

Track Record: Under Sanjay S. Shukla's leadership, aTyr Pharma has advanced efzofitimod into Phase III clinical trials for pulmonary sarcoidosis and expanded its clinical development into other ILDs. He has also overseen the progression of preclinical programs, including ATYR0101 and ATYR0750. He has successfully secured a collaboration agreement with Kyorin Pharmaceutical Co., Ltd. for the development and commercialization of efzofitimod in Japan.

Common Questions About ATYR (Healthcare)

What does the AI Score mean for ATYR?

ATYR holds an AI Score of 16/100 (Grade: F). This is an educational research signal, not a buy or sell recommendation. aTyr Pharma, Inc. is a biotherapeutics company focused on discovering and developing medicines based on novel immunological pathways. Their lead therapeutic candidate is efzofitimod, currently …

What does aTyr Pharma, Inc. do?

aTyr Pharma, Inc. is a biotherapeutics company dedicated to discovering and developing novel medicines based on immunological pathways. The company's primary focus is on addressing unmet needs in severe respiratory diseases and other immune-mediated conditions. Their lead therapeutic candidate, efzofitimod, is currently in Phase III clinical development for pulmonary sarcoidosis and Phase 1b/2a trials for other interstitial lung diseases (ILDs).

What do analysts say about ATYR stock?

Analyst coverage of aTyr Pharma is limited, reflecting the company's small market capitalization and early stage of development. General sentiment suggests that the success of efzofitimod in Phase III clinical trials is critical for the company's future. Valuation metrics are difficult to assess given the company's negative profit margin and reliance on future product approvals.

What are the main risks for ATYR?

The main risks for aTyr Pharma include the potential failure of efzofitimod in Phase III clinical trials, competition from other pharmaceutical companies, regulatory hurdles and delays in obtaining FDA approval, and difficulty in raising capital to fund research and development. The company's high cash burn rate and reliance on the success of a single drug candidate also represent significant risks.

What are the key factors to evaluate for ATYR?

aTyr Pharma, Inc. (ATYR) holds an AI score of 16/100 (low). aTyr Pharma's investment thesis centers on the potential of efzofitimod to address unmet needs in pulmonary sarcoidosis and other ILDs. Not financial advice.

How frequently does ATYR data refresh on this page?

ATYR's price was last updated on Aug 21, 2026 and refreshes on page view during U.S. market hours — it is not a real-time exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.

What has driven ATYR's recent stock price performance?

aTyr Pharma, Inc. (ATYR) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Novel tRNA synthetase biology platform. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider ATYR overvalued or undervalued right now?

aTyr Pharma, Inc. (ATYR) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

How do I research ATYR before investing?

Before investing in aTyr Pharma, Inc. (ATYR), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) analyst consensus ratings and price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information is based on publicly available sources and may be subject to change.
  • Financial data is limited and may not be fully comprehensive.
Data Sources

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