PEPG · Company research
PepGen Inc. (PEPG): 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.
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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 |
|---|---|---|---|---|---|---|---|---|---|
| DIADEMA PARTNERS LP | 2026172 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 373284 | 671911 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4885 | 8695 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Cornerstone Financial Management LLC | 2110329 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 121 | 218000 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Laurion Capital Management LP | 1390202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2750855 | 4951539 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RBF Capital, LLC | 1134621 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 95042 | 171076 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 245347 | 441625 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rialto Wealth Management, LLC | 2054966 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 318 | 573 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 66268 | 119282 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5557 | 10003 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4301 | 7742 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Aigen Investment Management, LP | 1741224 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12877 | 23179 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Integrated Wealth Concepts LLC | 1737109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 60 | 108 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29738 | 53528 | — | — | — | 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) | 3094 | 5569 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9743 | 17537 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1935920 | 3484656 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 195 | 351 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 638816 | 1149869 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Vanguard Personalized Indexing Management, LLC | 1767306 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17629 | 31732 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 326 | 554 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| China Universal Asset Management Co., Ltd. | 1906594 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11008 | 19814 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| MONIMUS CAPITAL MANAGEMENT, LP | 1848831 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 587688 | 1057838 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Creek Drive Management Group LLC | 2111824 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 450000 | 810000 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Bronte Capital Management Pty Ltd. | 1471085 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17776 | 31997 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Qube Research & Technologies Ltd | 1729829 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98581 | 177446 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 93700 | 168660 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Verdad Advisers, LP | 1812822 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 66880 | 120384 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Squarepoint Ops LLC | 1642575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 529083 | 952349 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 59073 | 106331 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48657 | 87583 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ACADIAN ASSET MANAGEMENT LLC | 916542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 869 | 1 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Driehaus Capital Management LLC | 938206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 279909 | 503836 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 162717 | 292891 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GF FUND MANAGEMENT CO. LTD. | 2057060 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1427 | 2569 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 657107 | 1182793 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 822315 | 1480167 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Quadrature Capital Ltd | 1651424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40936 | 73685 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1664 | 2995 | — | — | — | 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) | 13 | 23 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98738 | 177728 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1627 | 2929 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Artia Global Partners LP | 1937964 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 205324 | 369583 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Persistent Asset Partners Ltd | 2056052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 95003 | 171005 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Boxer Capital Management, LLC | 2018299 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 272892 | 491206 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Vivo Capital, LLC | 1674712 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2325000 | 4185000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Bare Financial Services, Inc | 2009426 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 327 | 589000 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| Ikarian Capital, LLC | 1778253 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 447165 | 804897 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Connor, Clark & Lunn Investment Management Ltd. | 1596800 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112071 | 201728 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1520246 | 2736443 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Rosalind Advisors, Inc. | 1622627 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 350000 | 630000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 261476 | 470657 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17723 | 31901 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 229390 | 412902000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| Goldman Sachs Group Inc. | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 168110 | 302598000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 98738 | 177728000 | — | — | — | Aug 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10314 | 18565000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1627 | 2929000 | — | — | — | Aug 3, 2026 | SEC_13F_HR |
| AMERICAN CENTURY COMPANIES INC | 748054 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42601 | 76682 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4484 | 8071 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21500 | 38700 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 62099 | 111778 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 168110 | 302598 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 229390 | 412902 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| GSA CAPITAL PARTNERS LLP | 1362033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 852852 | 1535 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Rangeley Capital, LLC | 1517796 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 70000 | 126000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2697 | 4855 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1786765 | 3216177 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 424484 | 764626 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Commodore Capital LP | 1831942 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4475000 | 8055000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ADAR1 Capital Management, LLC | 1940272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2591085 | 4663953 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AWM Investment Company, Inc. | 1535264 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 600000 | 1080000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RA CAPITAL MANAGEMENT, L.P. | 1346824 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20064545 | 36116181 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39720 | 71496 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VIKING GLOBAL INVESTORS LP | 1103804 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3482434 | 6268381 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| READYSTATE ASSET MANAGEMENT LP | 1900923 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28379 | 51082 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 366141 | 659054 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 61 | 0 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Seven Fleet Capital Management LP | 2092021 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 59500 | 105315 | — | — | — | Jun 4, 2026 | SEC_13F_DATASET |
| Cornerstone Financial Management LLC | 2110329 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 121 | 214000 | — | — | — | Aug 28, 2026 | SEC_13F_DATASET |
| Parallel Advisors, LLC | 1690010 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 135 | 239000 | — | — | — | Jun 3, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.