Atara Biotherapeutics Inc (ATRA)

Q2 2026 vs Q3 2026

Comparing institutional holders between quarters

Compare Detailed Historical Funds Options 13D/13G Peers Targeting Trading Summary Profile

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MacKenzie Financial Corp

DECREASED

Shares176,758 from 233,249

Change-56,491 (-24%)

Value$1.5M (-$1.2M)

Filed 2026-11-02

Geode Capital Management, LLC

INCREASED

Shares80,950 from 75,128

Change+5,822 (+8%)

Value$688.4K (-$174.5K)

Filed 2026-11-06

Staley Capital Advisers Inc

UNCHANGED

Shares50,000 from 50,000

Change0 (0%)

Value$425.0K (-$149.0K)

Filed 2026-11-06

SBI Securities Co., Ltd.

UNCHANGED

Shares1,404 from 1,404

Change0 (0%)

Value$11.9K (-$4.2K)

Filed 2026-10-22

Caitong International Asset Management Co., Ltd

DECREASED

Shares266 from 311

Change-45 (-14%)

Value$2.3K (-$1.3K)

Filed 2026-10-29

Barclays PLC

DECREASED

Shares214 from 304

Change-90 (-30%)

Value$1.8K (-$1.7K)

Filed 2026-11-06

IFP Advisors, Inc

NEW

Shares1

Change+1

Value$8

Filed 2026-10-16

Citigroup Inc

DECREASED

Shares1 from 97

Change-96 (-99%)

Value$9 (-$1.1K)

Filed 2026-11-04

EcoR1 Capital, LLC

N/A

Shares— from 1,552,000

Change-1,552,000 (-100%)

Value—

Adage Capital Partners GP, L.L.C.

N/A

Shares— from 850,000

Change-850,000 (-100%)

Value—

Point72 Asset Management, L.P.

N/A

Shares— from 687,718

Change-687,718 (-100%)

Value—

Redmile Group, LLC

N/A

Shares— from 441,701

Change-441,701 (-100%)

Value—

Vanguard Capital Management LLC

N/A

Shares— from 247,047

Change-247,047 (-100%)

Value—

BlackRock, Inc.

N/A

Shares— from 84,455

Change-84,455 (-100%)

Value—

Vanguard Fiduciary Trust Co

N/A

Shares— from 43,036

Change-43,036 (-100%)

Value—

Acadian Asset Management LLC

N/A

Shares— from 38,845

Change-38,845 (-100%)

Value—

Jane Street Group, LLC

N/A

Shares— from 30,345

Change-30,345 (-100%)

Value—

State Street Corp

N/A

Shares— from 26,453

Change-26,453 (-100%)

Value—

Northern Trust Corp

N/A

Shares— from 16,591

Change-16,591 (-100%)

Value—

FMR LLC

N/A

Shares— from 16,238

Change-16,238 (-100%)

Value—

XTX Topco Ltd

N/A

Shares— from 15,303

Change-15,303 (-100%)

Value—

Bridgeway Capital Management, LLC

N/A

Shares— from 14,000

Change-14,000 (-100%)

Value—

Millennium Management LLC

N/A

Shares— from 12,680

Change-12,680 (-100%)

Value—

Citadel Advisors LLC

N/A

Shares— from 10,159

Change-10,159 (-100%)

Value—

Morgan Stanley

N/A

Shares— from 9,178

Change-9,178 (-100%)

Value—

Royal Bank of Canada

N/A

Shares— from 4,743

Change-4,743 (-100%)

Value—

UBS Group AG

N/A

Shares— from 3,979

Change-3,979 (-100%)

Value—

Vanguard Global Advisers, LLC

N/A

Shares— from 1,456

Change-1,456 (-100%)

Value—

Jones Financial Companies Lllp

N/A

Shares— from 803

Change-803 (-100%)

Value—

Wells Fargo & Company

N/A

Shares— from 251

Change-251 (-100%)

Value—

JPMorgan Chase & Co

N/A

Shares— from 216

Change-216 (-100%)

Value—

Banque Transatlantique SA

N/A

Shares— from 176

Change-176 (-100%)

Value—

BNP Paribas Financial Markets

N/A

Shares— from 46

Change-46 (-100%)

Value—

Kerr Financial Planning Corp

N/A

Shares— from 24

Change-24 (-100%)

Value—

Osaic Holdings, Inc.

N/A

Shares— from 10

Change-10 (-100%)

Value—

Rockefeller Capital Management L.P.

N/A

Shares— from 8

Change-8 (-100%)

Value—

	Status
MacKenzie Financial Corp	DECREASED	176,758	233,249	-56,491	-24%	$2.7M	$1.5M	-$1.2M	2026-11-02
Geode Capital Management, LLC	INCREASED	80,950	75,128	+5,822	+8%	$862.9K	$688.4K	-$174.5K	2026-11-06
Staley Capital Advisers Inc	UNCHANGED	50,000	50,000	0	0%	$574.0K	$425.0K	-$149.0K	2026-11-06
SBI Securities Co., Ltd.	UNCHANGED	1,404	1,404	0	0%	$16.1K	$11.9K	-$4.2K	2026-10-22
Caitong International Asset Management Co., Ltd	DECREASED	266	311	-45	-14%	$3.6K	$2.3K	-$1.3K	2026-10-29
Barclays PLC	DECREASED	214	304	-90	-30%	$3.5K	$1.8K	-$1.7K	2026-11-06
IFP Advisors, Inc	NEW	1	—	+1	—	—	$8	—	2026-10-16
Citigroup Inc	DECREASED	1	97	-96	-99%	$1.1K	$9	-$1.1K	2026-11-04
EcoR1 Capital, LLC	N/A	—	1,552,000	-1,552,000	-100%	$17.8M	—	—	—
Adage Capital Partners GP, L.L.C.	N/A	—	850,000	-850,000	-100%	$9.8M	—	—	—
Point72 Asset Management, L.P.	N/A	—	687,718	-687,718	-100%	$7.9M	—	—	—
Redmile Group, LLC	N/A	—	441,701	-441,701	-100%	$5.1M	—	—	—
Vanguard Capital Management LLC	N/A	—	247,047	-247,047	-100%	$2.8M	—	—	—
BlackRock, Inc.	N/A	—	84,455	-84,455	-100%	$969.5K	—	—	—
Vanguard Fiduciary Trust Co	N/A	—	43,036	-43,036	-100%	$494.1K	—	—	—
Acadian Asset Management LLC	N/A	—	38,845	-38,845	-100%	$444.0K	—	—	—
Jane Street Group, LLC	N/A	—	30,345	-30,345	-100%	$348.4K	—	—	—
State Street Corp	N/A	—	26,453	-26,453	-100%	$303.7K	—	—	—
Northern Trust Corp	N/A	—	16,591	-16,591	-100%	$190.5K	—	—	—
FMR LLC	N/A	—	16,238	-16,238	-100%	$186.4K	—	—	—
XTX Topco Ltd	N/A	—	15,303	-15,303	-100%	$175.7K	—	—	—
Bridgeway Capital Management, LLC	N/A	—	14,000	-14,000	-100%	$160.7K	—	—	—
Millennium Management LLC	N/A	—	12,680	-12,680	-100%	$145.6K	—	—	—
Citadel Advisors LLC	N/A	—	10,159	-10,159	-100%	$116.6K	—	—	—
Morgan Stanley	N/A	—	9,178	-9,178	-100%	$105.4K	—	—	—
Royal Bank of Canada	N/A	—	4,743	-4,743	-100%	$55.0K	—	—	—
UBS Group AG	N/A	—	3,979	-3,979	-100%	$45.7K	—	—	—
Vanguard Global Advisers, LLC	N/A	—	1,456	-1,456	-100%	$16.7K	—	—	—
Jones Financial Companies Lllp	N/A	—	803	-803	-100%	$8.4K	—	—	—
Wells Fargo & Company	N/A	—	251	-251	-100%	$2.9K	—	—	—
JPMorgan Chase & Co	N/A	—	216	-216	-100%	$2.4K	—	—	—
Banque Transatlantique SA	N/A	—	176	-176	-100%	$3.1K	—	—	—
BNP Paribas Financial Markets	N/A	—	46	-46	-100%	$528	—	—	—
Kerr Financial Planning Corp	N/A	—	24	-24	-100%	$276	—	—	—
Osaic Holdings, Inc.	N/A	—	10	-10	-100%	$114	—	—	—
Rockefeller Capital Management L.P.	N/A	—	8	-8	-100%	$92	—	—	—

Showing 36 of 36 institutions