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Atara Biotherapeutics

151 hedge funds and large institutions have $1.24B invested in Atara Biotherapeutics in 2021 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 62 increasing their positions, 42 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

0.04% less ownership

Funds ownership: 4.18%4.15% (-0.04%)

27% less capital invested

Capital invested by funds: $1.7B → $1.24B (-$457M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
151
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.06M
Puts
$363K
Net Calls
Net Calls Change

Top Buyers

1 +$20.5M
2 +$16.9M
3 +$14.4M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$10.3M
5
Renaissance Technologies
Renaissance Technologies
New York
+$7.26M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$292K
102
$287K
103
$280K
104
$270K
105
$238K
106
$228K
107
$227K
108
$217K
109
$187K
110
$184K
111
$181K
112
$178K
113
$177K
114
$165K
115
$158K
116
$155K
117
$152K
118
$146K
119
$144K
120
$113K
121
$89K
122
$71K
123
$66K
124
$37K
125
$34K