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36 /100
MEDIUM RISK
Score updated Oct 13, 2026

ATYR — aTyr Pharma, Inc. Dilution Risk Tracker

Track ATYR dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of October 13, 2026, aTyr Pharma, Inc. (ATYR) has a DilutionWatch DilutionScore of 36/100, rated MEDIUM dilution risk. aTyr Pharma, Inc. has a market capitalization of $53.19M, 98.09M shares outstanding, 113 institutional holders tracked.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
46
💰 Cash Runway
25
📊 Float Risk
15
⚠️ Warrant Exposure
40
🔄 Convertible Debt
60

Dilution Forecast

🌥️
Advisory
Moderate dilution signals present
model est. 39%
🔄 Reverse Split model est. 55%
• 50-day avg $0.74 below $1 exchange minimum
🔁 Convertible Conversion model 40%
• Significant convertible debt: 19% potential dilution
• Elevated convertible risk (60/100)
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Market Data

Market Cap$53.19M
Shares Outstanding98.09M
Float95.61M
Cash$95.16M
Debt$5.80M
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore36/100DilutionWatch score record
Shares Outstanding98.09MVerified float table or market cache
Public Float95.61MVerified float table or market cache
Market Cap$53.19MMarket data cache
Cash Runway22.4 monthsDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding WarrantsNone in current score inputsSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 6.

Recent SEC source mix: 4 2, SC 13G/A 3, XBRL 1.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 14.6% shares (2026Q1 vs prior)
113 institutional holders · 65.31M shares
#1 FMR LLC 14.71M shares
#2 FEDERATED HERMES, INC. 10.51M shares
#3 VANGUARD CAPITAL MANAGEMENT LLC 7.62M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest12.89M
Days to Cover1.0
% of Float13.5%
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2018-03-20
SC 13G/A BENEFICIAL OWNERSHIP 2026-08-06
SC 13G/A BENEFICIAL OWNERSHIP 2026-07-27
SC 13G/A BENEFICIAL OWNERSHIP 2026-07-08
4 INSIDER TRANSACTION 2026-02-04
Full SEC filing analysis available with free account →

Recent News

Factual ATYR Dilution Snapshot

aTyr Pharma, Inc. (ATYR) has a DilutionScore of 36/100, rated Medium dilution risk. Score date: October 13, 2026.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

ATYR's DilutionScore is currently 36/100 (Medium risk), with 2 score changes tracked over 89 days. The score improved from 32/100 (Medium risk).

Period Score Risk Level Duration
Aug 22 – Oct 13, 202636/100MEDIUM53 days
Aug 14 – Aug 21, 202632/100MEDIUM7 days
Jul 16 – Aug 13, 202639/100MEDIUM29 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

ATYR shares outstanding have increased 0.1% from 97.99M (Mar 2026) to 98.05M (Mar 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
Mar 27, 202698.05M95.61M▲ 0.01%
Mar 07, 202697.99M95.60M▲ 0.07%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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