Atara Biotherapeutics
ATRA
ATRA
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 9 closing their positions.
New
Increased
Maintained
Reduced
Closed
more capital invested
Capital invested by funds: $ → $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
less ownership
Funds ownership: →
less funds holding
Funds holding: →
56% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 9
Holders
32
Holding in Top 10
–
Calls
–
Puts
–
Top Buyers
| 1 | +$327K | |
| 2 | +$178K | |
| 3 | +$174K | |
| 4 |
BlackRock
New York
|
+$77.6K |
| 5 |
Raymond James Financial
St Petersburg,
Florida
|
+$31K |
Top Sellers
| 1 | -$1.39M | |
| 2 | -$447K | |
| 3 | -$385K | |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$244K |
| 5 |
BC
Birchview Capital
Burlington,
Vermont
|
-$131K |
