CSTL · Company research
Castle Biosciences, Inc. Common Stock (CSTL): 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) | 524 | 12497 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RTW INVESTMENTS, LP | 1493215 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2778335 | 66263290 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Y-Intercept (Hong Kong) Ltd | 1772875 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31916 | 761197 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| HARBOUR INVESTMENTS, INC. | 810121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3977 | 94863 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 264 | 6297 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 72343 | 1725381 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| WASATCH ADVISORS LP | 814133 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 279349 | 6662474 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39010 | 930379 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| HARBOR CAPITAL ADVISORS, INC. | 1039128 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31748 | 757 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| MACKENZIE FINANCIAL CORP | 919859 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 793507 | 18925142 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1226497 | 29251953 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GAMMA Investing LLC | 2010235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19 | 453 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 744647 | 17759831 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 197494 | 4710232 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ALLSTATE CORP | 899051 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9642 | 229962 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Advisors Capital Management, LLC | 1345576 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 238204 | 5681165 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100374 | 2393920 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2773 | 66136 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Mirae Asset Global Investments Co., Ltd. | 1569395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1356 | 32341 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| FEDERATED HERMES, INC. | 1056288 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 489 | 11663 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Engineers Gate Manager LP | 1620220 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29480 | 703098 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SummitTX Capital, L.P. | 2052310 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 79018 | 1884579 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 357317 | 8522010 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39695 | 946726 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| US BANCORP \DE\ | 36104 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4478 | 106800 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53700 | 1280745 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ROTHSCHILD INVESTMENT LLC | 85338 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54 | 1288 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Essential Partners LLC | 2136442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 190 | 4532 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17008 | 405641 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 786 | 18747 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| NATIONAL BANK OF CANADA /FI/ | 926171 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 191 | 4546 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15579 | 371559 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| True Wealth Design, LLC | 1966033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42 | 1002 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1602886 | 38228831 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Oak Harvest Investment Services | 1839430 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13485 | 321617 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 822079 | 19630772 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 215454 | 5138578 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Creative Planning | 1540235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13681 | 326292 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CANADA LIFE ASSURANCE Co | 1046192 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3244 | 77 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| PANAGORA ASSET MANAGEMENT INC | 883677 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 301040 | 7179804 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Covestor Ltd | 1909846 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 473 | 11 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39923 | 952164 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 58084 | 1385303 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Nykredit A/S | 1847328 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 597 | 14238 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GF FUND MANAGEMENT CO. LTD. | 2057060 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 631 | 15049 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 2057170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25221 | 601521 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 139 | 3315 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Quadrature Capital Ltd | 1651424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10175 | 242674 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| BFSG, LLC | 1706836 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 90 | 2147 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| PRINCIPAL FINANCIAL GROUP INC | 1126328 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1726019 | 41165553 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| PALISADE CAPITAL MANAGEMENT, LP | 1009006 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 231931 | 5531554 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Hughes Financial Services, LLC | 2054465 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 436 | 10399 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5137 | 122517 | — | — | — | Aug 11, 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) | 39943 | 952641 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ACADIAN ASSET MANAGEMENT LLC | 916542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 918668 | 21897 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112789 | 2690018 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| State of Wyoming | 1821626 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4923 | 117414 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| ALLIANCEBERNSTEIN L.P. | 1109448 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27100 | 665305 | — | — | — | 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) | 707 | 16862 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 74267 | 1771268 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| First Bank & Trust | 1692632 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18591 | 443395 | — | — | — | Jul 9, 2026 | SEC_13F_DATASET |
| Farther Finance Advisors, LLC | 1992825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1806 | 43110 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 901578 | 37802 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| ALGERT GLOBAL LLC | 1275218 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 70478 | 1680900 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 240444 | 5734589 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AIGH Capital Management LLC | 1835943 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 412346 | 9834452 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Summit Global Investments | 1697953 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13078 | 312 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Campbell & CO Investment Adviser LLC | 1353570 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16476 | 392953 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| INTECH INVESTMENT MANAGEMENT LLC | 1086318 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8580 | 204633 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1232395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 256095 | 6107866 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Parallel Advisors, LLC | 1690010 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12931 | 308404 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| GLENMEDE TRUST CO NA | 314949 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7306 | 174248 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Optiver Holding B.V. | 1859606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 174 | 4150 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Portolan Capital Management, LLC | 1350290 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 328818 | 7842309 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Investors Portfolio Services LLC | 2073833 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18 | 429 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16428 | 391808 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 254535 | 6070660 | — | — | — | 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) | 6 | 143 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 256 | 6106 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Ameritas Investment Partners, Inc. | 1055980 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2717 | 64800 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.