ATRA · Company research
Atara Biotherapeutics, Inc (ATRA): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
62records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| KERR FINANCIAL PLANNING Corp | 2095947 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24 | 276 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| STALEY CAPITAL ADVISERS INC | 1106565 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 574000 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1404 | 16118 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10123 | 116212 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16238 | 186412 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 251 | 2881 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 97 | 1114 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46 | 528 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Redmile Group, LLC | 1425738 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 441701 | 5070727 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PlanVest Financial, Inc | 2135239 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28 | 321 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| EcoR1 Capital, LLC | 1587114 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1552000 | 17816960 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16568 | 190201 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10 | 114 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30336 | 348257 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15303 | 175678 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14000 | 160720 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 803 | 8440 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 311 | 3570 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 850000 | 9758000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 304 | 3490 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 43036 | 494053 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 247047 | 2836100 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55821 | 640825 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1456 | 16715 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26453 | 303680000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16568 | 190201000 | — | — | — | Aug 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10260 | 117785000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 97 | 1114000 | — | — | — | Aug 3, 2026 | SEC_13F_HR |
| Raiffeisen Bank International AG | 2044885 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200 | 2296 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26453 | 303680 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 | 57 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MACKENZIE FINANCIAL CORP | 919859 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 233249 | 2677699 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Rockefeller Capital Management L.P. | 1739439 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8 | 92 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Banque Transatlantique SA | 2056095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 176 | 3096 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| ACADIAN ASSET MANAGEMENT LLC | 916542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38845 | 444 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12680 | 145566 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3514 | 40341 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 116 | 1296 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 62764 | 720986 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 687718 | 7895003 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3650 | 42000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 251 | 1187 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| KERR FINANCIAL PLANNING Corp | 2095947 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24 | 116 | — | — | — | Jul 1, 2026 | SEC_13F_DATASET |
| Citigroup Inc. | 831001 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 5000 | — | — | — | May 11, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26453 | 125123000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12317 | 58259000 | — | — | — | May 14, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10260 | 48530000 | — | — | — | May 13, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 12317 | 222815000 | — | — | — | Feb 17, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 26453 | 478535000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| Federated Hermes, Inc. | 1056288 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 130 | 2352000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 535 | 9678000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| KERR FINANCIAL PLANNING Corp | 2095947 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 24 | 322 | — | — | — | Jul 1, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 25253 | 361875000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 624 | 8942000 | — | — | — | Nov 12, 2025 | SEC_13F_HR |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Fri Jun 30 2017 00:00:00 GMT+0000 (Coordinated Universal Time) | 48 | 672 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Fri Mar 31 2017 00:00:00 GMT+0000 (Coordinated Universal Time) | 48 | 986 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Sat Dec 31 2016 00:00:00 GMT+0000 (Coordinated Universal Time) | 48 | 682 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Fri Sep 30 2016 00:00:00 GMT+0000 (Coordinated Universal Time) | 24 | 513 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Thu Jun 30 2016 00:00:00 GMT+0000 (Coordinated Universal Time) | 24 | 540 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Thu Mar 31 2016 00:00:00 GMT+0000 (Coordinated Universal Time) | 24 | 457 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Thu Dec 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) | 24 | 634 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| RAFFA WEALTH MANAGEMENT, LLC | 1631073 | Wed Sep 30 2015 00:00:00 GMT+0000 (Coordinated Universal Time) | 14 | 440 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.