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Atara Biotherapeutics

140 hedge funds and large institutions have $1.61B invested in Atara Biotherapeutics in 2021 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 51 increasing their positions, 47 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

69% more call options, than puts

Call options by funds: $677K | Put options by funds: $401K

20% more capital invested

Capital invested by funds: $1.34B → $1.61B (+$268M)

9% more repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 47

0.14% more ownership

Funds ownership: 4.09%4.23% (+0.14%)

3% less funds holding

Funds holding: 145140 (-5)

21% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 19

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
140
Holders Change
-5
Holders Change %
-3.45%
% of All Funds
2.44%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
15
Increased
51
Reduced
47
Closed
19
Calls
$677K
Puts
$401K
Net Calls
+$276K
Net Calls Change
+$286K

ATRA Hedge Fund Activity: Q3 2021 in Review

140 of the 5,728 institutional investors tracked by Wall St. Rank reported a position in Atara Biotherapeutics (ATRA) for Q3 2021, worth a combined $1.61B — up 20% from $1.34B a quarter earlier.

Sellers outnumbered buyers: 19 funds closed out of ATRA and 15 opened new positions — a net loss of 4 holders — while 47 trimmed existing stakes and 51 added.

The largest buyer was Fidelity Investments, adding an estimated $43.6M. The largest seller was Renaissance Technologies, cutting an estimated $8.84M.

  • 140 institutional investors held Atara Biotherapeutics (ATRA) as of Q3 2021, down from 145 in Q2 2021.
  • Funds reported $1.61B of Atara Biotherapeutics stock for Q3 2021, up 20% quarter-over-quarter.
  • 15 funds opened new Atara Biotherapeutics positions in Q3 2021 and 19 closed out, a net change of -4 holders.
  • The largest Atara Biotherapeutics buyer in Q3 2021 was Fidelity Investments, an estimated $43.6M added.
  • The largest Atara Biotherapeutics seller in Q3 2021 was Renaissance Technologies, an estimated $8.84M sold.

Based on aggregated 13F filings for Q3 2021.