Atara Biotherap

ATRA

8.1741.41% ( +0.114 )

Closed: Jul 30, 15:59:52 (EDT)

ATRA

8.1741.41% ( +0.114 )

Closed: Jul 30, 15:59:52 (EDT)

Major Shareholders Latest
Shareholder
EcoR1 Capital, LLC	17.22%	1.55M	16.05%	+1.45M	05/07/2026
Panacea Venture Management Co., Ltd.	14.64%	1.32M	4.54%	-313.45K	05/11/2026
Adiumentum Capital Management	13.42%	1.21M	0.79%	+0	06/09/2026
Adage Capital Management, L.P.	7.77%	700.00K	--	+700.00K	03/31/2026
Redmile Group, LLC	7.07%	636.85K	1.88%	+195.15K	07/22/2026
Point72 Asset Management, L.P.	5.85%	526.68K	3.56%	+332.42K	05/07/2026
Mackenzie Financial Corporation	3.48%	313.62K	2.68%	+254.95K	03/31/2026
Vanguard Capital Management, LLC	2.42%	217.86K	--	+217.86K	03/31/2026
Acadian Asset Management LLC	1.45%	130.91K	0.71%	+76.86K	03/31/2026
BlackRock, Inc.	0.88%	79.02K	0.04%	+11.91K	03/31/2026
Geode Capital Management, LLC	0.73%	66.15K	0.12%	+3.77K	03/31/2026
UBS Asset Management AG	0.56%	50.07K	0.54%	+48.67K	03/31/2026
Staley Capital Advisers, Inc.	0.55%	50.00K	0.13%	+0	03/31/2026
Millennium Management LLC	0.53%	47.69K	--	+47.69K	03/31/2026
Pascal TouchonFormer Chairman of the Board	0.43%	38.39K	0.10%	+0	06/10/2025
Brian CherryIndependent Director	0.43%	38.32K	--	+38.32K	06/11/2026
Anhco NguyenPresident, CEO & Director	0.38%	34.34K	0.04%	-1.39K	05/18/2026
Jane Street Group, LLC	0.38%	33.87K	0.18%	+19.88K	03/31/2026
Vanguard Fiduciary Trust Company	0.37%	33.62K	--	+0	03/31/2026
Bridgeway Capital Management, LLC	0.36%	32.69K	0.08%	+0	03/31/2026

All Shareholders