Baker Brothers Advisors - ATARA BIOTHERAPEUTICS INC ownership

ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 124 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.01 and the average weighting 0.2%.

Quarter-by-quarter ownership
Baker Brothers Advisors ownership history of ATARA BIOTHERAPEUTICS INC
ValueSharesWeighting
Q1 2023$2,158,139
-11.6%
744,1860.0%0.01%
-20.0%
Q4 2022$2,440,930
-13.2%
744,1860.0%0.02%
-16.7%
Q3 2022$2,813,000
-51.5%
744,1860.0%0.02%
-45.5%
Q2 2022$5,797,000744,1860.03%
Other shareholders
ATARA BIOTHERAPEUTICS INC shareholders Q1 2023
NameSharesValueWeighting ↓
KPCB XV Associates, LLC 1,876,650$29,576,00023.33%
Antipodean Advisors LLC 1,000,000$15,760,0006.47%
M28 Capital Management LP 456,865$7,200,0005.62%
Redmile Group, LLC 6,437,777$101,459,0002.31%
One Fin Capital Management LP 303,000$4,775,0001.99%
MAVERICK CAPITAL LTD 7,855,824$123,808,0001.40%
Baupost Group 8,477,488$133,605,0001.32%
BRIDGER MANAGEMENT, LLC 616,488$9,716,0001.26%
683 Capital Management, LLC 1,781,234$28,073,0001.03%
Trellus Management Company, LLC 95,000$1,497,0001.00%
View complete list of ATARA BIOTHERAPEUTICS INC shareholders