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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
76
$642K
77
$641K
78
$519K
79
$519K
80
$518K
81
$505K
82
$498K
83
$491K
84
$472K
85
$443K
86
$441K
87
$439K
88
$427K
89
$419K
90
$419K
91
$385K
92
$368K
93
$366K
94
$337K
95
$333K
96
$327K
97
$314K
98
$313K
99
$309K
100
$292K