ATYR PHARMA INC (ATYR): Institutional Ownership
Hedge funds and institutional managers reporting a position in ATYR · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
10
13F filers
Aggregate Value
$5.5M
Across holders
Last Price
$0.53
2026-06-26
Sector
Health Care
GICS
Holder activity7 new2 added1 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 1.00M | $3.6M | 65.6% | 0.0% | New | — | Q4 2024 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 1.14M | $893K | 16.2% | 0.0% | Added | +$538K | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 77K | $392K | 7.1% | 0.0% | New | — | Q2 2025 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 500K | $361K | 6.5% | 0.0% | New | — | Q3 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 235K | $169K | 3.1% | 0.0% | New | — | Q3 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 47K | $37K | 0.7% | 0.0% | Reduced | $-161K | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 41K | $32K | 0.6% | 0.0% | New | — | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 10K | $8K | 0.1% | 0.0% | New | — | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 7K | $5K | 0.1% | 0.0% | New | — | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 2K | $1K | 0.0% | 0.0% | Added | +$370 | Q1 2026 |
New
Hedge Fund
$3.6M· 65.6% of total· 0.0% port· 1.00M sh· — QoQ· Q4 2024
Added
Hedge Fund
$893K· 16.2% of total· 0.0% port· 1.14M sh· +$538K QoQ· Q1 2026
New
Hedge Fund
$392K· 7.1% of total· 0.0% port· 77K sh· — QoQ· Q2 2025
New
Hedge Fund
$361K· 6.5% of total· 0.0% port· 500K sh· — QoQ· Q3 2025
New
Hedge Fund
$169K· 3.1% of total· 0.0% port· 235K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$37K· 0.7% of total· 0.0% port· 47K sh· $-161K QoQ· Q1 2026
New
Hedge Fund
$32K· 0.6% of total· 0.0% port· 41K sh· — QoQ· Q1 2026
New
Hedge Fund
$8K· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q1 2026
New
Hedge Fund
$5K· 0.1% of total· 0.0% port· 7K sh· — QoQ· Q1 2026
Added
Hedge Fund
$1K· 0.0% of total· 0.0% port· 2K sh· +$370 QoQ· Q1 2026