ZBIO · Company research
Zenas BioPharma, Inc. Common Stock (ZBIO): 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.
80records 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 |
|---|---|---|---|---|---|---|---|---|---|
| AQR CAPITAL MANAGEMENT LLC | 1167557 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30579 | 776095 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Ameritas Advisory Services, LLC | 1901275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42 | 1066 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 815150 | 20688507 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Legal & General Group Plc | 764068 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11926 | 302681 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 754651 | 19157734 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| PROFUND ADVISORS LLC | 1129919 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18838 | 478108 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1426774 | 36211524 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 254623 | 6462332 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7563 | 191949 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| ADVENT CAPITAL MANAGEMENT /DE/ | 1097278 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2360000 | 2823314 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1093 | 27740 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8879 | 225 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8418 | 213649 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| EcoR1 Capital, LLC | 1587114 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 789500 | 20037510 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 1177206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48465 | 1230042 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1816307 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 509789 | 12938445 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 861177 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37767 | 958526 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 163524 | 4150239 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ENAVATE SCIENCES GP, LLC | 1953107 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3919159 | 99468255 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8032 | 203852 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Mirae Asset Global Investments Co., Ltd. | 1569395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2824 | 71673 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| DCF Advisers, LLC | 1802493 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28184 | 715310 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Birchview Capital, LP | 1618205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 93601 | 2375593 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36922 | 937080 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 747974 | 29471 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 34245 | 869128 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15332 | 389126 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SPHERA FUNDS MANAGEMENT LTD. | 1496201 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 230834 | 5858567 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 651 | 16522 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| AGF MANAGEMENT LTD | 1003518 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1200000 | 1422000 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 104 | 2640 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2055100 | 52158438 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Ameritas Investment Partners, Inc. | 1055980 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2586 | 65633 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8874 | 225222 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NVP ASSOCIATES, LLC | 1545692 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1838482 | 46660673 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Jefferies Financial Group Inc. | 96223 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4998000 | 5979895 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1705339 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13066 | 331615 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1286 | 32639 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CAPSTONE INVESTMENT ADVISORS, LLC | 1426196 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3500000 | 4165000 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53200 | 1350216 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| iA Global Asset Management Inc. | 1969566 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 215130 | 5460 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| Virtus Investment Advisers, LLC | 19481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16525 | 419405 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| TOUNJIAN ADVISORY PARTNERS, LLC | 2039850 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2500 | 63450 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 66118 | 1678075 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 150309 | 3814842 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NORDEA INVESTMENT MANAGEMENT AB | 1218210 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15050 | 382872 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Freestone Grove Partners LP | 2007591 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 25 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Silver Grove Financial Group, Inc. | 2111172 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 538 | 13654 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ALLSTATE CORP | 899051 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18241 | 462957 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Global Retirement Partners, LLC | 1749744 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 420 | 10660 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7900 | 200581 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 151086 | 3834563 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NEA Management Company, LLC | 1512848 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4023219 | 102109298 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1520354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 539 | 13680 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Engineers Gate Manager LP | 1620220 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12980 | 329432 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROTHSCHILD INVESTMENT LLC | 85338 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20 | 508 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Royalty Pharma Sub-Manager, LLC | 2081668 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2388150 | 60611247 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16136 | 409532 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SR One Capital Management, LP | 1910264 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5037854 | 127860735 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6500000 | 7832500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Physician Wealth Advisors, Inc. | 1795173 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 67 | 1701 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 51022 | 1294939 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Cornerstone Financial Management LLC | 2110329 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26 | 660 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| J.Safra Asset Management Corp | 1535293 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 224 | 5685 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Invesco Ltd. | 914208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11282 | 286337 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 660470 | 16762729 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FEDERATED HERMES, INC. | 1056288 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3116805 | 79104511 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Brevan Howard Capital Management LP | 1512857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14674 | 372426 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Creative Planning | 1540235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11358 | 288266 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12740 | 323341 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Bare Financial Services, Inc | 2009426 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75 | 1904 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| SEVEN GRAND MANAGERS, LLC | 1909126 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 2538000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BANK OF AMERICA CORP /DE/ | 70858 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 705832 | 17914016 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Voleon Capital Management LP | 1479847 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 167145 | 4242140 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8581 | 217786 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 51 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 847 | 21000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11813 | 301822 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112634 | 2858652 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIGNATUREFD, LLC | 1456048 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1134 | 28781 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.