ATYR

aTyr Pharma
ATYR

Overview Fund Activity

86 hedge funds and large institutions have $187M invested in aTyr Pharma in 2025 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 36 increasing their positions, 14 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
86
Holders Change
+9
Holders Change %
+11.69%
% of All Funds
1.17%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
36
Reduced
14
Closed
16
Calls
$778K
Puts
$2.32M
Net Calls
-$1.54M
Net Calls Change
-$1.5M

Top Buyers

1
OCA
Octagon Capital Advisors
New York
+$8.01M
2
UBS Group
UBS Group
Switzerland
+$4.25M
3
Millennium Management
Millennium Management
New York
+$3.72M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$2.85M
5
Marshall Wace
Marshall Wace
United Kingdom
+$2.53M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
-$6.16M
2
LGM
Logos Global Management
California
-$3.62M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$3.62M
4
CC
Checkpoint Capital
California
-$1.57M
5
6CM
683 Capital Management
New York
-$898K
Name Holding Trade Value Shares
Change 		Shares
Change %
National Bank of Canada
101
National Bank of Canada
Quebec, Canada
– -$1.3K -358 Closed
BNP Paribas Financial Markets
102
BNP Paribas Financial Markets
France
– -$7 -2 Closed
1 2 3 4
5