ATYR

aTyr Pharma
ATYR

Overview Fund Activity

107 hedge funds and large institutions have $335M invested in aTyr Pharma in 2025 Q2 according to their latest regulatory filings, with 51 funds opening new positions, 25 increasing their positions, 23 reducing their positions, and 29 closing their positions.

Holders
107
Holders Change
+21
Holders Change %
+24.42%
% of All Funds
1.44%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
51
Increased
25
Reduced
23
Closed
29
Calls
$4.54M
Puts
$3.2M
Net Calls
+$1.34M
Net Calls Change
+$2.88M

Top Buyers

1
BlackRock
1
BlackRock
New York
$29.3M
2
Geode Capital Management
2
Geode Capital Management
Massachusetts
$10.6M
3
State Street
3
State Street
Massachusetts
$6.29M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$23.6M
5
Invesco
5
Invesco
Georgia
$3.03M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$5.01M
2
ABG
2
Ally Bridge Group
New York
$1.46M
3
Goldman Sachs
3
Goldman Sachs
New York
$184K
4
Marshall Wace
4
Marshall Wace
United Kingdom
$2.59M
5
MCM
5
MAI Capital Management
Ohio
$1.87M
Name Market Value Shares Shares
Change 		Shares
Change %
NS
101
NBC Securities
Alabama
$3K 700 – –
NFSG
102
Newbridge Financial Services Group
Florida
$2.54K 500 +500 New
SCM
103
Sterling Capital Management
North Carolina
$1.8K 355 +355 New
GRP
104
Global Retirement Partners
California
$1.52K 300 +300 New
GC
105
Garde Capital
Washington
$1.01K 200 +200 New
RIL
106
Rothschild Investment LLC
Illinois
$456 90 +90 New
CSC
107
Caldwell Sutter Capital
California
$264 52 – –
Qube Research & Technologies (QRT)
108
Qube Research & Technologies (QRT)
United Kingdom
– – -414,592 Closed
Squarepoint
109
Squarepoint
New York
– – -235,242 Closed
Balyasny Asset Management
110
Balyasny Asset Management
Illinois
– – -227,142 Closed
HF
111
HRT Financial
New York
– – -182,135 Closed
JG
112
Jain Global
New York
– – -88,143 Closed
QC
113
Quantessence Capital
New York
– – -61,621 Closed
JFG
114
Jefferies Financial Group
New York
– – -55,600 Closed
BHCM
115
Brevan Howard Capital Management
Jersey
– – -53,209 Closed
LP
116
LMR Partners
United Kingdom
– – -52,087 Closed
ECM
117
ExodusPoint Capital Management
New York
– – -48,227 Closed
CGIM
118
Cannon Global Investment Management
Florida
– – -47,500 Closed
Verition Fund Management
119
Verition Fund Management
Connecticut
– – -45,451 Closed
Wolverine Trading
120
Wolverine Trading
Illinois
– – -45,327 Closed
JGC
121
J. Goldman & Co
New York
– – -30,131 Closed
American Century Companies
122
American Century Companies
Missouri
– – -22,703 Closed
TC
123
TwinBeech Capital
New York
– – -21,434 Closed
CM
124
Capula Management
Cayman Islands
– – -21,126 Closed
XT
125
XTX Topco
Cayman Islands
– – -19,556 Closed
2 3 4
5
6