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Atara Biotherapeutics

85 hedge funds and large institutions have $509M invested in Atara Biotherapeutics in 2015 Q4 according to their latest regulatory filings, with 17 funds opening new positions, 33 increasing their positions, 19 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

74% more repeat investments, than reductions

Existing positions increased: 33 | Existing positions reduced: 19

7% less funds holding

Funds holding: 9185 (-6)

17% less capital invested

Capital invested by funds: $614M → $509M (-$106M)

26% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 23

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

65% less call options, than puts

Call options by funds: $472K | Put options by funds: $1.35M

Holders
85
Holders Change
-6
Holders Change %
-6.59%
% of All Funds
2.22%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
17
Increased
33
Reduced
19
Closed
23
Calls
$472K
Puts
$1.35M
Net Calls
-$882K
Net Calls Change
-$1.05M

ATRA Hedge Fund Activity: Q4 2015 in Review

85 of the 3,824 institutional investors tracked by Wall St. Rank reported a position in Atara Biotherapeutics (ATRA) for Q4 2015, worth a combined $509M — down 17% from $614M a quarter earlier.

Sellers outnumbered buyers: 23 funds closed out of ATRA and 17 opened new positions — a net loss of 6 holders — while 19 trimmed existing stakes and 33 added.

The largest buyer was Redmile Group, adding an estimated $14.7M. The largest seller was Jennison Associates, exiting entirely with an estimated $26.5M sold.

  • 85 institutional investors held Atara Biotherapeutics (ATRA) as of Q4 2015, down from 91 in Q3 2015.
  • Funds reported $509M of Atara Biotherapeutics stock for Q4 2015, down 17% quarter-over-quarter.
  • 17 funds opened new Atara Biotherapeutics positions in Q4 2015 and 23 closed out, a net change of -6 holders.
  • The largest Atara Biotherapeutics buyer in Q4 2015 was Redmile Group, an estimated $14.7M added.
  • The largest Atara Biotherapeutics seller in Q4 2015 was Jennison Associates, an estimated $26.5M sold.

Based on aggregated 13F filings for Q4 2015.