TECX · Company research
Tectonic Therapeutic, Inc. Common Stock (TECX): 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 |
|---|---|---|---|---|---|---|---|---|---|
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44540 | 1531 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1200 | 41250 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 68394 | 2351044 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 52 | 1788 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| FOX RUN MANAGEMENT, L.L.C. | 1533457 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8865 | 304734 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 474620 | 16315063 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 488805 | 16802672 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30438 | 1046306 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Vestal Point Capital, LP | 1974915 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 425000 | 14609375 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 43400 | 1491875 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1536 | 52800 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1691884 | 58158512 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| KENNEDY CAPITAL MANAGEMENT LLC | 884589 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 282202 | 9700694 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GAMMA Investing LLC | 2010235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 290 | 9969 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1191 | 40941 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13 | 447 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| 5AM Venture Management, LLC | 1799883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 606660 | 20853938 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17029 | 585372 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10160 | 349250 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 186550 | 6412656 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9078 | 312056 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLINGTON MANAGEMENT GROUP LLP | 902219 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19549 | 671997 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BAKER BROS. ADVISORS LP | 1263508 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 607788 | 20892713 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| US BANCORP \DE\ | 36104 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1080 | 37125 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13514 | 464544 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Quantbot Technologies LP | 1512991 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1819 | 62528 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10000 | 343750 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Marshall & Sterling Wealth Advisors Inc. | 2056315 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50 | 1719 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| Brevan Howard Capital Management LP | 1512857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9573 | 329072 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ALPS ADVISORS INC | 1376113 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19147 | 658178 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8765 | 301297 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 725 | 24922 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4600 | 158125 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| ROTHSCHILD INVESTMENT LLC | 85338 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 69 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 34 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 69 | — | — | — | 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) | 2638 | 90681 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| First Bancorp, Inc /ME/ | 765207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8 | 275 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 219908 | 7559338 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| PFM Health Sciences, LP | 1442756 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 45631 | 1568566 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quadrature Capital Ltd | 1651424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18067 | 621053 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46139 | 1526740 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 133703 | 4596064 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NATIONAL BANK OF CANADA /FI/ | 926171 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6 | 205 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5146 | 176894 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Squarepoint Ops LLC | 1642575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 145028 | 4985338 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Aberdeen Group plc | 1716774 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1141824 | 39250200 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17339 | 596028 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| ALLIANCEBERNSTEIN L.P. | 1109448 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7460 | 230589 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Ikarian Capital, LLC | 1778253 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 205837 | 7075647 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6724 | 231138 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GSA CAPITAL PARTNERS LLP | 1362033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8275 | 284 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Fisher Asset Management, LLC | 850529 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19122 | 657318 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 176100 | 6054318 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4857 | 166959 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Prosight Management, LP | 1617201 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39731 | 1365753 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BANK OF AMERICA CORP /DE/ | 70858 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11043 | 379604 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rockefeller Capital Management L.P. | 1739439 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 370 | 12719 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Legal & General Group Plc | 764068 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000 | 34375 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMERICAN CENTURY COMPANIES INC | 748054 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19001 | 653159 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Invesco Ltd. | 914208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1267 | 43553 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MONIMUS CAPITAL MANAGEMENT, LP | 1848831 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28143 | 967416 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ADAR1 Capital Management, LLC | 1940272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14501 | 498472 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 63271 | 2174941 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RAYMOND JAMES FINANCIAL INC | 720005 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 34880 | 1199000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BRAIDWELL LP | 1920938 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 596900 | 20518438 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PNC Financial Services Group, Inc. | 713676 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40 | 1375 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13773 | 473439 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3 | 103 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| EASTERN BANK | 1126395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13 | 447 | — | — | — | Jul 1, 2026 | SEC_13F_DATASET |
| Bollard Group LLC | 1556218 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 302953 | 10414 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Chung Wu Investment Group, LLC | 2054278 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 800 | 27500 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| State of Wyoming | 1821626 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 601 | 20659 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5996 | 206113 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11 | 378 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Aldebaran Capital, LLC | 1448430 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36797 | 1264897 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Axiom Investment Management LLC | 1513703 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125 | 4297 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| IFP Advisors, Inc | 1641866 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 69 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Trexquant Investment LP | 1633445 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36991 | 1271566 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40000 | 1375 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.