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ATYR

aTyr Pharma

103 hedge funds and large institutions have $51.5M invested in aTyr Pharma in 2025 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 33 increasing their positions, 25 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

60% less call options, than puts

Call options by funds: $3.95M | Put options by funds: $9.99M

85% less capital invested

Capital invested by funds: $336M → $51.5M (-$285M)

100% less funds holding in top 10

Funds holding in top 10: 20 (-2)

Holders
103
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.95M
Puts
$9.99M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$10.6M
2
$7.61M
3
$7.56M
4
$4.67M
5
$4.06M
6
$3.25M
7
$3.03M
8
$1.57M
9
$1.36M
10
$512K
11
$510K
12
$496K
13
$486K
14
$484K
15
$332K
16
$316K
17
$299K
18
$269K
19
$246K
20
$225K
21
$209K
22
$188K
23
$170K
24
$169K
25
$164K