ATRA icon

Atara Biotherapeutics

32 hedge funds and large institutions have $13.9M invested in Atara Biotherapeutics in 2025 Q2 according to their latest regulatory filings, with 4 funds opening new positions, 6 increasing their positions, 6 reducing their positions, and 8 closing their positions.

Holders
32
Holders Change
-5
Holders Change %
-13.51%
% of All Funds
0.43%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
4
Increased
6
Reduced
6
Closed
8
Calls
Puts
Net Calls
Net Calls Change
Name Market Value Shares Shares
Change
Shares
Change %
EC
1
EcoR1 Capital
California
$4.42M 573,183
RG
2
Redmile Group
California
$3.41M 441,701
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.47M 190,761
VPC
4
Vestal Point Capital
New York
$726K 94,085
SCA
5
STALEY CAPITAL ADVISERS
Pennsylvania
$579K 75,000 -5,000 -6%
BlackRock
6
BlackRock
New York
$547K 70,848 +10,050 +17%
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$502K 65,155 -49,956 -43%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$464K 60,136 +1,457 +2%
Marshall Wace
9
Marshall Wace
United Kingdom
$327K 42,355 +42,355 New
State Street
10
State Street
Massachusetts
$195K 25,253
Citadel Advisors
11
Citadel Advisors
Florida
$178K 23,003 +23,003 New
Mackenzie Financial
12
Mackenzie Financial
Ontario, Canada
$174K 22,514 +22,514 New
GCP
13
GSA Capital Partners
United Kingdom
$151K 19,591 +206 +1%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$132K 17,156 -1 -0%
Renaissance Technologies
15
Renaissance Technologies
New York
$131K 16,936 -500 -3%
Morgan Stanley
16
Morgan Stanley
New York
$115K 14,926 +3,098 +26%
BCM
17
Bridgeway Capital Management
Texas
$108K 14,000
Northern Trust
18
Northern Trust
Illinois
$86.2K 11,170
UBS Group
19
UBS Group
Switzerland
$64.7K 8,385 -15,949 -66%
Bank of America
20
Bank of America
North Carolina
$59.4K 7,688 -179,609 -96%
Raymond James Financial
21
Raymond James Financial
Florida
$31K 4,021 +4,021 New
Royal Bank of Canada
22
Royal Bank of Canada
Ontario, Canada
$12K 1,450 +600 +71%
SS
23
SBI Securities
Japan
$10.8K 1,404
Osaic Holdings
24
Osaic Holdings
Arizona
$8.12K 610 +600 +6,000%
Wells Fargo
25
Wells Fargo
California
$7.34K 951