Atara BiotherapeuticsATRA

13F holders, Q4 2024 (December 31)
41holders +7
7new positions
3sold out
3famous investors
$13.31avg. 13F price*

At the end of Q4 2024, 41 institutions reported holding Atara Biotherapeutics Inc. (ATRA) in their 13F filings, up 7 from Q3 2024. 7 opened new positions and 3 sold out. The largest holders were EcoR1 Capital, LLC ($7.1M), Redmile Group, LLC ($5.9M) and Citadel Advisors ($3.6M). 3 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Atara Biotherapeutics Inc.
CUSIP
046513206
Latest filing quarter
Q2 2026

History

Number of 13F holders

01020304050 Q2 2024: 44Q2 2024Q3 2024: 34Q3 2024Q4 2024: 41Q4 2024Q1 2025: 37Q1 2025Q2 2025: 32Q2 2025Q3 2025: 36Q3 2025Q4 2025: 41Q4 2025Q1 2026: 32Q1 2026Q2 2026: 35Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions7$994K
Exits3$360K

All 13F filers, Q3 2024 → Q4 2024: 182,161 shares bought and 230,224 shares sold, net −48,063 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 41 holders

EcoR1 Capital, LLC 0.28% Add +13.5% 532,134 $7.1M
Redmile Group, LLC 0.41% Reduce -2.3% 441,701 $5.9M
Citadel Advisors 0.00% Add +2.6% 267,353 $3.6M
Bank of America Corp. 0.00% Add +0.8% 205,170 $2.7M
Vanguard Group Inc. 0.00% Reduce -1.1% 178,782 $2.4M
Vestal Point Capital, LP 0.10% Add +0.3% 125,000 $1.7M
Acadian Asset Management LLC 0.00% Reduce -3.6% 124,473 $1.7M
Tang Capital Management LLC 0.07% No change 75,196 $1.0M
Renaissance Technologies 0.00% Reduce -0.9% 67,140 $894K
BlackRock, Inc. 0.00% Reduce -0.2% 60,846 $810K
Geode Capital Management, LLC 0.00% Add +17.2% 54,744 $729K
Staley Capital Advisers Inc. 0.03% Add +25.0% 50,000 $666K
Morgan Stanley 0.00% Add +75.1% 28,351 $377K
FMR LLC 0.00% Add +6.5% 26,699 $355K
State Street Corp. 0.00% Add +13.0% 25,253 $336K
Marshall Wace, LLP 0.00% New 24,958 $332K
Birchview Capital, LP 0.24% New 22,000 $293K
Bridgeway Capital Management, LLC 0.00% No change 14,000 $186K
Cubist Systematic Strategies, LLC 0.00% New 12,682 $169K
Northern Trust Corp. 0.00% New 11,170 $149K
Millennium Management 0.00% Reduce -94.2% 10,133 $135K
Point72 Asia (Singapore) Pte. Ltd. 0.01% New 3,603 $48K
SBI Securities Co., Ltd. 0.00% — 1,416 $19K
Wells Fargo & Company 0.00% Reduce -24.0% 951 $13K
UBS Group AG 0.00% Add +107.5% 834 $11K
Russell Investments Group, Ltd. 0.00% No change 719 $10K
Osaic Holdings, Inc. 0.00% Reduce -5.3% 610 $8K
Group One Trading LLC 0.00% No change 394 $5K
Lazard Asset Management LLC 0.00% Add +244.2% 444 $5K
R Squared Ltd 0.00% — 240 $3K
JPMorgan Chase & Co. 0.00% Reduce -84.2% 216 $3K
Jones Financial Companies LLLP 0.00% New 203 $3K
IFP Advisors, Inc 0.00% No change 180 $2K
Banque Transatlantique SA 0.00% — 176 $2K
Rhumbline Advisers 0.00% No change 175 $2K
Royal Bank of Canada 0.00% Add +388.2% 83 $1K
Tower Research Capital LLC (TRC) 0.00% Reduce -90.7% 70 $932
Point72 (DIFC) Ltd 0.00% New 68 $905
BNP Paribas Financial Markets 0.00% Add +8.9% 61 $812
GAMMA Investing LLC 0.00% No change 56 $745
Citigroup Inc. 0.00% Reduce -75.0% 2 $27

"% of holder's portfolio" is ATRA's weight in each manager's 13F, not the share of Atara Biotherapeutics Inc. the manager owns.