The first Atara Biotherapeutics trade was made in Q3 2015.
Since then Ken Griffin bought shares 38 more times and sold shares on 38 occasions. The investor completely sold their stake between Q2 2024 and Q2 2024.
Avg closing price
Price range
Sold -260 Thousand shares
Q2 2024
Avg closing price
$15.04
Price range
$7.29
-
$19.47
Increased shares by 2375.6% (+250 Thousand shares)
Q1 2024
Avg closing price
$17.76
Price range
$11.00
-
$30.50
Sold 84.3% shares (-56.3 Thousand shares)
Q4 2023
Avg closing price
$23.32
Price range
$5.75
-
$43.50
Increased shares by 47.5% (+21.5 Thousand shares)
Q3 2023
Avg closing price
$44.51
Price range
$35.25
-
$57.75
Sold 49.7% shares (-44.7 Thousand shares)
Q2 2023
Avg closing price
$56.55
Price range
$37.50
-
$76.00
Increased shares by 61.1% (+34.2 Thousand shares)
Q1 2023
Avg closing price
$96.99
Price range
$70.00
-
$136.50
Increased shares by 4326.8% (+54.6 Thousand shares)
Q4 2022
Avg closing price
$104.21
Price range
$71.25
-
$129.50
Increased shares by 9.9% (+114 shares)
Q3 2022
Avg closing price
$110.87
Price range
$3.89
-
$218.25
Sold 78.7% shares (-4.24 Thousand shares)
Q2 2022
Avg closing price
$163.23
Price range
$117.25
-
$246.00
Increased shares by 96.0% (+2.64 Thousand shares)
Q1 2022
Avg closing price
$318.44
Price range
$211.00
-
$422.25
Increased shares by 111.1% (+1.45 Thousand shares)
Q4 2021
Avg closing price
$420.98
Price range
$367.50
-
$497.25
Increased shares by 135.4% (+749 shares)
Q3 2021
Avg closing price
$358.27
Price range
$299.75
-
$447.50
Sold 93.5% shares (-8.02 Thousand shares)
Q2 2021
Avg closing price
$356.68
Price range
$322.25
-
$414.50
Sold 53.4% shares (-9.83 Thousand shares)
Q1 2021
Avg closing price
$442.02
Price range
$350.00
-
$518.00
Increased shares by 345.2% (+14.3 Thousand shares)
Q3 2020
Avg closing price
$340.54
Price range
$298.00
-
$396.75
Sold 72.2% shares (-10.8 Thousand shares)
Q2 2020
Avg closing price
$252.61
Price range
$188.25
-
$373.25
Increased shares by 45.5% (+4.66 Thousand shares)
Q1 2020
Avg closing price
$317.37
Price range
$142.25
-
$444.50
Sold 60.2% shares (-15.5 Thousand shares)
Q4 2019
Avg closing price
$344.75
Price range
$272.25
-
$419.75
Increased shares by 128.9% (+14.5 Thousand shares)
Q3 2019
Avg closing price
$373.12
Price range
$300.75
-
$498.50
Increased shares by 1737.1% (+10.6 Thousand shares)
Q2 2019