PepGen Inc. - PEPG
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | History | No change | 20,064,545 | 36,116 | 0.31% | 0.38% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Commodore Capital LP | History | No change | 4,475,000 | 8,055 | 0.48% | 0.46% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VIKING GLOBAL INVESTORS LP | History | No change | 3,482,434 | 6,268 | 0.02% | 0.02% | 3 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Laurion Capital Management LP | History | No change | 2,750,855 | 4,951 | 0.13% | 0.21% | 4 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ADAR1 Capital Management, LLC | History | Added to | 2,591,085 | 4,663 | 0.21% | 0.17% | 5 | +983,447 | 61.17% | Q2 2026 | Aug 14, 2026 |
| Vivo Capital, LLC | History | No change | 2,325,000 | 4,185 | 0.38% | 0.34% | 6 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Reduced | 1,935,920 | 3,484 | 0.0% | 0.0% | 7 | -1,779 | -0.09% | Q2 2026 | Aug 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 1,786,765 | 3,216 | 0.0% | 0.0% | 8 | -292,378 | -14.06% | Q2 2026 | Aug 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 1,520,246 | 2,736 | 0.0% | 0.0% | 9 | +1,463,446 | 2576.49% | Q2 2026 | Aug 13, 2026 |
| BlackRock, Inc. | History | Added to | 1,304,262 | 2,347 | 0.0% | 0.0% | 10 | +26,478 | 2.07% | Q2 2026 | Aug 07, 2026 |
| MARSHALL WACE, LLP | History | Added to | 866,992 | 1,560 | 0.0% | 0.0% | 11 | +568,424 | 190.38% | Q2 2026 | Aug 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 852,852 | 1,535 | 0.1% | 0.0% | 12 | +814,566 | 2127.58% | Q2 2026 | Aug 06, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 671,481 | 1,208 | 0.0% | 0.0% | 13 | +307,759 | 84.61% | Q2 2026 | Sep 02, 2026 |
| AWM Investment Company, Inc. | History | Reduced | 600,000 | 1,080 | 0.09% | 0.36% | 14 | -1,230,925 | -67.23% | Q2 2026 | Aug 14, 2026 |
| MONIMUS CAPITAL MANAGEMENT, LP | History | Reduced | 587,688 | 1,057 | 0.24% | 0.29% | 15 | -10,975 | -1.83% | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops LLC | History | Added to | 529,083 | 952 | 0.0% | 0.0% | 16 | +382,487 | 260.91% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 523,473 | 942 | 0.0% | 0.0% | 17 | -12,526 | -2.34% | Q2 2026 | Aug 12, 2026 |
| Creek Drive Management Group LLC | History | No change | 450,000 | 810 | 0.39% | 0.18% | 18 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Ikarian Capital, LLC | History | Reduced | 447,165 | 804 | 0.09% | 0.11% | 19 | -300,000 | -40.15% | Q2 2026 | Aug 14, 2026 |
| DIADEMA PARTNERS LP | History | Added to | 373,284 | 671 | 0.08% | 0.05% | 20 | +222,359 | 147.33% | Q2 2026 | Aug 14, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Reduced | 366,141 | 659 | 0.01% | 0.01% | 21 | -61,533 | -14.39% | Q2 2026 | Aug 14, 2026 |
| Rosalind Advisors, Inc. | History | New | 350,000 | 630 | 0.23% | — | 22 | +350,000 | New | Q2 2026 | Aug 14, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | History | No change | 279,909 | 503 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Boxer Capital Management, LLC | History | No change | 272,892 | 491 | 0.04% | 0.06% | 24 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 261,476 | 470 | 0.0% | 0.0% | 25 | +1,779 | 0.69% | Q2 2026 | Aug 13, 2026 |
| XTX Topco Ltd | History | Added to | 245,347 | 441 | 0.01% | 0.0% | 26 | +114,196 | 87.07% | Q2 2026 | Aug 14, 2026 |
| STATE STREET CORP | History | No change | 229,390 | 412 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q2 2026 | Sep 22, 2026 |
| Artia Global Partners LP | History | No change | 205,324 | 369 | 0.07% | 0.07% | 28 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 172,412 | 310 | 0.0% | 0.0% | 29 | -86,279 | -33.35% | Q2 2026 | Aug 14, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 168,110 | 302 | 0.0% | 0.0% | 30 | +29,457 | 21.25% | Q2 2026 | Aug 14, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Added to | 112,071 | 201 | 0.0% | 0.0% | 31 | +42,948 | 62.13% | Q2 2026 | Aug 12, 2026 |
| UBS Group AG | History | Added to | 110,673 | 199 | 0.0% | 0.0% | 32 | +16,643 | 17.7% | Q2 2026 | Aug 13, 2026 |
| Qube Research & Technologies Ltd | History | Reduced | 98,581 | 177 | 0.0% | 0.0% | 34 | -607,891 | -86.05% | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 98,738 | 177 | 0.0% | 0.0% | 33 | -6,161 | -5.87% | Q2 2026 | Aug 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 96,216 | 173 | 0.0% | 0.0% | 35 | -791,252 | -89.16% | Q2 2026 | Aug 14, 2026 |
| Persistent Asset Partners Ltd | History | Added to | 95,003 | 171 | 0.05% | 0.02% | 37 | +56,851 | 149.01% | Q2 2026 | Aug 06, 2026 |
| RBF Capital, LLC | History | No change | 95,042 | 171 | 0.01% | 0.01% | 36 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Added to | 93,700 | 168 | 0.0% | 0.0% | 38 | +50,000 | 114.42% | Q2 2026 | Aug 14, 2026 |
| Rangeley Capital, LLC | History | Added to | 70,000 | 126 | 0.12% | 0.12% | 39 | +1,904 | 2.8% | Q2 2026 | Aug 14, 2026 |
| Verdad Advisers, LP | History | Added to | 66,880 | 120 | 0.11% | 0.11% | 40 | +12,500 | 22.99% | Q2 2026 | Aug 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 66,268 | 119 | 0.0% | 0.0% | 41 | -115,437 | -63.53% | Q2 2026 | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 54,113 | 97 | 0.0% | 0.0% | 42 | -162,711 | -75.04% | Q2 2026 | Aug 11, 2026 |
| MORGAN STANLEY | History | Reduced | 48,842 | 87 | 0.0% | 0.0% | 43 | -950,145 | -95.11% | Q2 2026 | Aug 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | No change | 42,601 | 76 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Quadrature Capital Ltd | History | Reduced | 40,936 | 73 | 0.0% | 0.0% | 45 | -117,890 | -74.23% | Q2 2026 | Aug 06, 2026 |
| Point72 Asset Management, L.P. | History | Reduced | 39,720 | 71 | 0.0% | 0.0% | 46 | -26,252 | -39.79% | Q2 2026 | Aug 14, 2026 |
| Rathbones Group PLC | History | No change | 32,003 | 57 | 0.0% | 0.0% | 47 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | Reduced | 28,379 | 51 | 0.0% | 0.01% | 48 | -86,737 | -75.35% | Q2 2026 | Aug 14, 2026 |
| Bronte Capital Management Pty Ltd. | History | New | 17,776 | 31 | 0.0% | — | 50 | +17,776 | New | Q2 2026 | Aug 04, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | New | 17,629 | 31 | 0.0% | — | 51 | +17,629 | New | Q2 2026 | Aug 11, 2026 |
| Vanguard Global Advisers, LLC | History | No change | 17,723 | 31 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| AIGEN INVESTMENT MANAGEMENT, LP | History | New | 12,877 | 23 | 0.01% | — | 52 | +12,877 | New | Q2 2026 | Aug 14, 2026 |
| China Universal Asset Management Co., Ltd. | History | Reduced | 11,008 | 19 | 0.0% | 0.0% | 53 | -1,192 | -9.77% | Q2 2026 | Jul 24, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 9,743 | 17 | 0.0% | 0.0% | 54 | -33,794 | -77.62% | Q2 2026 | Aug 13, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 5,557 | 10 | 0.0% | 0.0% | 55 | +17 | 0.31% | Q2 2026 | Aug 11, 2026 |
| Zurcher Kantonalbank (Zurich Cantonalbank) | History | Added to | 4,484 | 8 | 0.0% | 0.0% | 57 | +2,478 | 123.53% | Q2 2026 | Aug 11, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 5,056 | 8 | 0.0% | 0.0% | 56 | -129 | -2.49% | Q2 2026 | Aug 12, 2026 |
| BARCLAYS PLC | History | Reduced | 4,389 | 7 | 0.0% | 0.0% | 58 | -40,741 | -90.27% | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Investments Co., Ltd. | History | Reduced | 3,094 | 5 | 0.0% | 0.0% | 59 | -492 | -13.72% | Q2 2026 | Jul 22, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 2,697 | 4 | 0.0% | 0.0% | 60 | -61,035 | -95.77% | Q2 2026 | Aug 13, 2026 |
| CITIGROUP INC | History | Reduced | 1,627 | 2 | 0.0% | 0.0% | 62 | -879 | -35.08% | Q2 2026 | Aug 03, 2026 |
| GF FUND MANAGEMENT CO. LTD. | History | Reduced | 1,427 | 2 | 0.0% | 0.0% | 63 | -106 | -6.91% | Q2 2026 | Aug 07, 2026 |
| FMR LLC | History | No change | 1,664 | 2 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 869 | 1 | 0.0% | 0.0% | 64 | -63,738 | -98.65% | Q2 2026 | Aug 13, 2026 |
| Woodline Partners LP | History | Closed out | 0 | 0 | — | 0.01% | — | -1,311,021 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Pictet Asset Management Holding SA | History | Closed out | 0 | 0 | — | 0.0% | — | -1,306,783 | -100.0% | Q2 2026 | Jul 30, 2026 |
| Kalehua Capital Management LLC | History | Closed out | 0 | 0 | — | 1.09% | — | -729,961 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Nantahala Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.04% | — | -681,158 | -100.0% | Q2 2026 | Aug 14, 2026 |
| LUMINUS MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.16% | — | -150,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Caption Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -145,200 | -100.0% | Q2 2026 | Aug 14, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -121,974 | -100.0% | Q2 2026 | Aug 14, 2026 |
| ExodusPoint Capital Management, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -79,581 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -69,593 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Brevan Howard Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -66,402 | -100.0% | Q2 2026 | Aug 14, 2026 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | History | Closed out | 0 | 0 | — | 0.01% | — | -61,073 | -100.0% | Q2 2026 | Aug 11, 2026 |
| Seven Fleet Capital Management LP | History | Closed out | 0 | 0 | — | 0.03% | — | -59,500 | -100.0% | Q2 2026 | Aug 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -53,316 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Scientech Research LLC | History | Closed out | 0 | 0 | — | 0.06% | — | -42,073 | -100.0% | Q2 2026 | Aug 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -27,012 | -100.0% | Q2 2026 | Aug 14, 2026 |
| OMERS ADMINISTRATION Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -24,900 | -100.0% | Q2 2026 | Aug 13, 2026 |
| MANGROVE PARTNERS IM, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -19,774 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,974 | -100.0% | Q2 2026 | Aug 13, 2026 |
| Schonfeld Strategic Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -17,400 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Catalyst Funds Management Pty Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -15,300 | -100.0% | Q2 2026 | Aug 10, 2026 |
| Diametric Capital, LP | History | Closed out | 0 | 0 | — | 0.01% | — | -15,221 | -100.0% | Q2 2026 | Aug 14, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -14,293 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Jefferies Financial Group Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -10,289 | -100.0% | Q2 2026 | Aug 17, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,153 | -100.0% | Q2 2026 | Aug 14, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 61 | 0 | — | 0.0% | — | -921 | -93.79% | Q2 2026 | Aug 14, 2026 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -800 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Accent Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -718 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Rialto Wealth Management, LLC | History | New | 318 | 0 | — | — | — | +318 | New | Q2 2026 | Aug 11, 2026 |
| Bare Financial Services, Inc | History | Added to | 327 | 0 | — | — | — | +225 | 220.59% | Q2 2026 | Jul 27, 2026 |
| Parallel Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -135 | -100.0% | Q2 2026 | Aug 05, 2026 |
| Fortitude Family Office, LLC | History | Closed out | 0 | 0 | — | — | — | -112 | -100.0% | Q2 2026 | Jul 20, 2026 |
| Allworth Financial LP | History | Closed out | 0 | 0 | — | — | — | -68 | -100.0% | Q2 2026 | Aug 11, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 13 | 0 | — | — | — | +13 | New | Q2 2026 | Aug 04, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 326 | 0 | — | 0.0% | — | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 195 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| CWM, LLC | History | No change | 5 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Cornerstone Financial Management LLC | History | No change | 121 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 28, 2026 |