Ken Griffin Atara Biotherapeutics, Inc. Transaction History

Citadel Advisors LLC

$505 Billion
Q3 2024

23 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2024 May 15, 2024	BUY	$0.44 - $1.22 $2.75 Million - $7.62 Million	6,249,012 Added 2375.59%	6,512,063 $4.49 Million
Q4 2023 Feb 14, 2024	SELL	$0.23 - $1.74 $323,861 - $2.45 Million	-1,408,094 Reduced 84.26%	263,051 $134,000
Q3 2023 Nov 14, 2023	BUY	$1.41 - $2.31 $758,385 - $1.24 Million	537,862 Added 47.46%	1,671,145 $2.47 Million
Q2 2023 Aug 14, 2023	SELL	$1.5 - $3.04 $1.68 Million - $3.4 Million	-1,118,435 Reduced 49.67%	1,133,283 $1.82 Million
Q1 2023 May 15, 2023	BUY	$2.8 - $5.46 $2.39 Million - $4.66 Million	853,953 Added 61.09%	2,251,718 $6.53 Million
Q4 2022 Feb 14, 2023	BUY	$2.85 - $5.18 $3.89 Million - $7.08 Million	1,366,179 Added 4325.27%	1,397,765 $4.58 Million
Q3 2022 Nov 14, 2022	BUY	$2.85 - $8.73 $8,099 - $24,810	2,842 Added 9.89%	31,586 $119,000
Q2 2022 Aug 15, 2022	SELL	$4.69 - $9.84 $497,135 - $1.04 Million	-105,999 Reduced 78.67%	28,744 $224,000
Q1 2022 May 16, 2022	BUY	$8.44 - $16.89 $557,099 - $1.11 Million	66,007 Added 96.03%	134,743 $1.25 Million
Q4 2021 Feb 14, 2022	BUY	$14.7 - $19.89 $531,757 - $719,500	36,174 Added 111.09%	68,736 $1.08 Million
Q3 2021 Nov 15, 2021	BUY	$11.99 - $17.9 $224,452 - $335,088	18,720 Added 135.24%	32,562 $583,000
Q2 2021 Aug 16, 2021	SELL	$12.89 - $16.58 $2.58 Million - $3.32 Million	-200,453 Reduced 93.54%	13,842 $215,000
Q1 2021 May 17, 2021	SELL	$14.0 - $20.72 $844,158 - $1.25 Million	-60,297 Reduced 21.96%	214,295 $3.08 Million
Q4 2020 Feb 16, 2021	SELL	$12.67 - $26.23 $2.35 Million - $4.87 Million	-185,535 Reduced 40.32%	274,592 $5.39 Million
Q3 2020 Nov 16, 2020	BUY	$11.92 - $15.87 $4.25 Million - $5.66 Million	356,762 Added 345.15%	460,127 $5.96 Million
Q2 2020 Aug 14, 2020	SELL	$7.53 - $14.93 $2.03 Million - $4.02 Million	-269,042 Reduced 72.24%	103,365 $1.51 Million
Q1 2020 May 15, 2020	BUY	$5.69 - $17.78 $662,833 - $2.07 Million	116,491 Added 45.52%	372,407 $3.17 Million
Q4 2019 Feb 14, 2020	SELL	$10.89 - $16.79 $4.22 Million - $6.5 Million	-387,431 Reduced 60.22%	255,916 $4.22 Million
Q3 2019 Nov 14, 2019	BUY	$12.03 - $19.94 $4.36 Million - $7.22 Million	362,267 Added 128.88%	643,347 $9.08 Million
Q2 2019 Aug 14, 2019	BUY	$19.05 - $41.04 $5.06 Million - $10.9 Million	265,763 Added 1735.09%	281,080 $5.65 Million
Q1 2019 May 15, 2019	BUY	$28.4 - $41.74 $273,605 - $402,123	9,634 Added 169.52%	15,317 $0
Q2 2018 Aug 10, 2018	SELL	$35.15 - $51.45 $519,938 - $761,048	-14,792 Reduced 72.24%	5,683 $0
Q1 2018 May 11, 2018	BUY	$18.0 - $48.35 $368,550 - $989,966	20,475 New	20,475 $799,000

Others Institutions Holding ATRA

# of Institutions

Shares Held

2.89M

Call Options Held

Put Options Held

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About Atara Biotherapeutics, Inc.

Ticker ATRA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 94,362,304
Market Cap $1.08B
Description
Atara Biotherapeutics, Inc., an off-the-shelf T-cell immunotherapy company, develops treatments for patients with cancer, autoimmune, and viral diseases in the United States. It is developing tabelecleucel, a T-cell immunotherapy that is Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferat...

More about ATRA

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