InvestorLens

ATYR — ATYR PHARMA INC

Public company

Sign in to save3 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying ATYR?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
67
Institutional Conviction
Mixed · 2 buying vs 1 selling last quarter
46
Macro Tailwind
Macro conditions are mixed for this sector
55
Why? — Evidence & Confidence ▾

Of 3 tracked investors who changed their ATYR position last quarter, 2 bought and 1 sold (67% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).

Supporting evidence
  • +2 tracked investors added or increased positions last quarter (Steve Cohen, Ken Griffin)
  • +3 tracked investors reported holding ATYR at their latest filing
  • +Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource
Contradicting evidence — always shown
  • −1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/20/2026.

About ATYR PHARMA INC (ATYR)

ATYR PHARMA INC (ATYR) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Steve Cohen (Point72 Asset Management), valued at $18M. Across recent filings, tracked investors recorded 6 new positions, 7 increased, 4 reduced, and 3 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in ATYR

65
/100
Institutional Accumulation
Added / Increased13
Reduced4
Exited3
BearishBullish
Crowded Trade Score™

How many top investors track ATYR

20
/100
Emerging Interest
3investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

ATYR Ownership Composition

How ATYR PHARMA INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Multi-Strategy / Quant
100% of tracked value
Institutions
3
tracked investors
Total Reported
$1.3M
combined 13F value
Types1
  • Multi-Strategy / Quant100.0%
Multi-Strategy / Quant(3)
100.0%

Tracked investors currently reporting ATYR

1 tracked investor has since exited this position — listed separately below.

  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    37.3K
    Value
    $22.2K
    % Portfolio
    0.00%
  • Izzy EnglanderJun 30, 2026
    Millennium Management
    Shares
    656.1K
    Value
    $391.5K
    % Portfolio
    0.00%
  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    1.5M
    Value
    $924K
    % Portfolio
    0.00%

Previously held ATYR

These investors reported ATYR in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Paul Tudor JonesTudor Investment Corp500K$360.7KSep 30, 2025

Recent activity

Frequently asked questions

How many institutional investors hold ATYR?
3 tracked institutional investors disclosed a position in ATYR (ATYR PHARMA INC) in their most recent 13F filing.
Who is the largest institutional holder of ATYR?
Steve Cohen, Point72 Asset Management, holds the largest disclosed position in ATYR, valued at $18M.
Did institutional ownership of ATYR increase or decrease?
Across recent 13F filings, tracked investors recorded 6 new positions, 7 increased, 4 reduced, and 3 fully exited ATYR.
Where does this ATYR ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
ATYR (ATYR PHARMA INC) — Institutional Holders & 13F History — InvestorLens