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ATARA BIOTHERAPEUTICS INC
Ticker: ATRA
CUSIP: 046513206
Class: Common Stock
Holders for Q4 2025
Position Changes for Q4 2025
Note: Option positions (PUT/CALL) are excluded.
Institution
Shares
Value ($000)
EcoR1 Capital, LLC
573,183
$10,369
Redmile Group, LLC
441,701
$7,990
VANGUARD GROUP INC
225,940
$4,087
MARSHALL WACE, LLP
148,632
$2,689
GLOBEFLEX CAPITAL L P
77,224
$1,397
BlackRock, Inc.
67,108
$1,214
GEODE CAPITAL MANAGEMENT, LLC
62,381
$1,129
MACKENZIE FINANCIAL CORP
58,668
$1,047
ACADIAN ASSET MANAGEMENT LLC
54,048
$1
STALEY CAPITAL ADVISERS INC
50,000
$905
BRIDGEWAY CAPITAL MANAGEMENT, LLC
32,691
$591
RENAISSANCE TECHNOLOGIES LLC
30,040
$543
STATE STREET CORP
26,453
$479
Cambridge Investment Research Advisors, Inc.
22,864
$0
Quadrature Capital Ltd
20,321
$368
Point72 Asset Management, L.P.
18,296
$331
FMR LLC
17,156
$310
MORGAN STANLEY
15,991
$289
CITADEL ADVISORS LLC
15,577
$282
SUSQUEHANNA INTERNATIONAL GROUP, LLP
14,018
$254
JANE STREET GROUP, LLC
13,990
$253
NORTHERN TRUST CORP
12,340
$223
Walleye Capital LLC
12,169
$220
Connor, Clark & Lunn Investment Management Ltd.
10,446
$189
BANK OF AMERICA CORP /DE/
10,387
$188
DIMENSIONAL FUND ADVISORS LP
10,028
$181
Tower Research Capital LLC (TRC)
1,737
$31
SBI Securities Co., Ltd.
1,404
$25
UBS Group AG
1,397
$25
Private Wealth Asset Management, LLC
900
$16
ROYAL BANK OF CANADA
850
$15
JONES FINANCIAL COMPANIES LLLP
703
$13
WELLS FARGO & COMPANY/MN
251
$5
JPMORGAN CHASE & CO
216
$4
Banque Transatlantique SA
176
$3
RHUMBLINE ADVISERS
175
$3
FEDERATED HERMES, INC.
130
$2
BNP PARIBAS ARBITRAGE, SA
46
$1
KERR FINANCIAL PLANNING Corp
24
$0
OSAIC HOLDINGS, INC.
10
$0
Rockefeller Capital Management L.P.
8
$0
Total (41 institutions)
2,049,679
$35,674