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ATYR
aTyr Pharma
ATYR
ATYR
84 hedge funds and large institutions have $55.7M invested in aTyr Pharma in 2025 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 23 increasing their positions, 25 reducing their positions, and 34 closing their positions.
New
Increased
Maintained
Reduced
Closed
54% more call options, than puts
Call options by funds: $770K | Put options by funds: $499K
8% more capital invested
Capital invested by funds: $51.5M → $55.7M (+$4.22M)
8% less repeat investments, than reductions
Existing positions increased: 23 | Existing positions reduced: 25
7.26% less ownership
Funds ownership: 63.21% → 55.96% (-7.3%)
18% less funds holding
Funds holding: 103 → 84 (-19)
53% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 34
Holders
84
Holders Change
-19
Holders Change %
-18.45%
% of All Funds
1.02%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
16
Increased
23
Reduced
25
Closed
34
Calls
$770K
Puts
$499K
Net Calls
+$271K
Net Calls Change
+$6.31M
Top Buyers
| 1 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$1.58M |
| 2 |
Two Sigma Advisers
New York
|
+$690K |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$632K |
| 4 |
Morgan Stanley
New York
|
+$568K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$524K |
Top Sellers
| 1 |
UBS Group
Zurich,
Switzerland
|
-$2.36M |
| 2 |
State Street
Boston,
Massachusetts
|
-$2.03M |
| 3 |
Millennium Management
New York
|
-$1.36M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$549K |
| 5 |
TCM
Tang Capital Management
San Diego,
California
|
-$484K |
