RLYB · Company research
Rallybio Corporation Common Stock (RLYB): 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.
52records 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 |
|---|---|---|---|---|---|---|---|---|---|
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21497 | 343952 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16619 | 265904 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Truvestments Capital LLC | 1750405 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129 | 2064 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Pivotal bioVenture Partners Investment Advisor LLC | 1844645 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300579 | 4809264 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 120 | 1920 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25480 | 407793 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| DANSKE BANK A/S | 800177 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 16 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Quadrature Capital Ltd | 1651424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12995 | 207920 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Almitas Capital LLC | 1596468 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 120682 | 1930912 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17705 | 283280 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Fortitude Family Office, LLC | 1950506 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53 | 848 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Nantahala Capital Management, LLC | 1472322 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 188422 | 3014752 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1442 | 23072 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31 | 496 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9 | 145 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25657 | 410 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ADAR1 Capital Management, LLC | 1940272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 926352 | 14821632 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37 | 592 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 317790 | 5084640 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3 | 48 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1250 | 20000 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 434 | 6944 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 199907 | 3198512 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Rangeley Capital, LLC | 1517796 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 104850 | 1677600 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33844 | 541504 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 172497 | 2759952 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Hartford Financial Management Inc. | 1352526 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 812 | 12992 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Mariner, LLC | 1373442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50566 | 809056 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16820 | 269120 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12996 | 207936000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125 | 2000 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 795 | 12720000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11280 | 180480 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12996 | 207936 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 146 | 2336 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 506 | 8096 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7633807 | 11580810 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TPG GP A, LLC | 1903793 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 378551 | 6056816 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VIKING GLOBAL INVESTORS LP | 1103804 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 524347 | 8389552 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6 | 96 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37 | 332 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| Johnson & Johnson | 200406 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 152901 | 1371522000 | — | — | — | May 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17486 | 156849000 | — | — | — | May 13, 2026 | SEC_13F_HR |
| Johnson & Johnson | 200406 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 3636363 | 2494909000 | — | — | — | Mar 18, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 38124 | 26157000 | — | — | — | Feb 17, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 62072 | 42588000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 3932 | 2698000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 141663 | 97195000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| Johnson & Johnson | 200406 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 3636363 | 1814545000 | — | — | — | Mar 18, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 62072 | 30974000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 141663 | 70690000 | — | — | — | Nov 12, 2025 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 9895 | 4938000 | — | — | — | Nov 10, 2025 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.