PepGen Inc. - PEPG
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 3 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
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 | 130,620 | 1.34% | 1.14% | 1 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| VIKING GLOBAL INVESTORS LP | History | No change | 3,482,434 | 22,670 | 0.06% | 0.04% | 2 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Commodore Capital LP | History | Added to | 3,400,000 | 22,134 | 1.47% | 0.53% | 3 | +1,042,681 | 44.23% | Q4 2025 | Feb 17, 2026 |
| Vivo Capital, LLC | History | No change | 2,325,000 | 15,135 | 0.98% | 0.86% | 4 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Point72 Asset Management, L.P. | History | Added to | 2,274,416 | 14,806 | 0.02% | 0.02% | 5 | +244,416 | 12.04% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | Added to | 2,212,834 | 14,405 | 0.0% | 0.0% | 6 | +444,478 | 25.14% | Q4 2025 | Jan 29, 2026 |
| Laurion Capital Management LP | History | Added to | 2,052,133 | 13,359 | 0.5% | 0.15% | 7 | +159,977 | 8.45% | Q4 2025 | Feb 17, 2026 |
| BVF INC/IL | History | No change | 1,915,000 | 12,466 | 0.42% | 0.36% | 8 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Nantahala Capital Management, LLC | History | New | 1,547,229 | 10,072 | 0.33% | — | 9 | +1,547,229 | New | Q4 2025 | Feb 13, 2026 |
| JANUS HENDERSON GROUP PLC | History | No change | 1,500,000 | 9,795 | 0.0% | 0.0% | 10 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Pictet Asset Management Holding SA | History | Added to | 1,352,424 | 8,804 | 0.01% | 0.0% | 11 | +871,059 | 180.96% | Q4 2025 | Jan 29, 2026 |
| Woodline Partners LP | History | No change | 1,311,021 | 8,534 | 0.03% | 0.03% | 12 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| AWM Investment Company, Inc. | History | Added to | 1,300,000 | 8,463 | 0.82% | 0.44% | 13 | +275,000 | 26.83% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Added to | 1,234,414 | 8,036 | 0.0% | 0.0% | 14 | +784,288 | 174.24% | Q4 2025 | Feb 12, 2026 |
| MORGAN STANLEY | History | Added to | 1,084,400 | 7,059 | 0.0% | 0.0% | 15 | +509,244 | 88.54% | Q4 2025 | Feb 13, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Reduced | 866,269 | 5,639 | 0.01% | 0.01% | 16 | -467,314 | -35.04% | Q4 2025 | Feb 17, 2026 |
| PERCEPTIVE ADVISORS LLC | History | No change | 829,870 | 5,402 | 0.1% | 0.11% | 17 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Ikarian Capital, LLC | History | Added to | 747,165 | 4,864 | 0.38% | 0.25% | 18 | +211,198 | 39.41% | Q4 2025 | Feb 18, 2026 |
| Octagon Capital Advisors LP | History | No change | 700,000 | 4,557 | 0.55% | 0.49% | 19 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Siren, L.L.C. | History | No change | 700,000 | 4,557 | 0.14% | 0.13% | 20 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 542,109 | 3,530 | 0.0% | 0.0% | 21 | +341,378 | 170.07% | Q4 2025 | Feb 09, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Added to | 494,296 | 3,217 | 0.05% | 0.02% | 22 | +143,911 | 41.07% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 480,498 | 3,128 | 0.0% | 0.0% | 23 | +308,866 | 179.96% | Q4 2025 | Feb 17, 2026 |
| Boxer Capital Management, LLC | History | Added to | 373,892 | 2,434 | 0.53% | 0.37% | 24 | +123,892 | 49.56% | Q4 2025 | Feb 17, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 351,141 | 2,285 | 0.0% | 0.0% | 25 | +348,456 | 12977.88% | Q4 2025 | Feb 17, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | History | No change | 315,000 | 2,050 | 0.01% | 0.01% | 26 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MARSHALL WACE, LLP | History | New | 290,589 | 1,891 | 0.0% | — | 27 | +290,589 | New | Q4 2025 | Feb 13, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 286,289 | 1,863 | 0.0% | 0.0% | 28 | -116,769 | -28.97% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 267,425 | 1,740 | 0.0% | 0.0% | 29 | +174,932 | 189.13% | Q4 2025 | Feb 17, 2026 |
| Walleye Capital LLC | History | New | 255,974 | 1,666 | 0.01% | — | 30 | +255,974 | New | Q4 2025 | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | New | 241,618 | 1,572 | 0.0% | — | 31 | +241,618 | New | Q4 2025 | Mar 25, 2026 |
| STATE STREET CORP | History | Added to | 217,490 | 1,415 | 0.0% | 0.0% | 32 | +151,700 | 230.58% | Q4 2025 | Feb 13, 2026 |
| Artia Global Partners LP | History | New | 205,324 | 1,336 | 0.19% | — | 33 | +205,324 | New | Q4 2025 | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 197,943 | 1,288 | 0.0% | 0.0% | 34 | -302,323 | -60.43% | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 192,733 | 1,254 | 0.0% | 0.0% | 35 | -899,667 | -82.36% | Q4 2025 | Feb 12, 2026 |
| 683 Capital Management, LLC | History | New | 186,916 | 1,216 | 0.05% | — | 36 | +186,916 | New | Q4 2025 | Feb 17, 2026 |
| Polymer Capital Management (HK) LTD | History | New | 160,000 | 1,041 | 0.15% | — | 37 | +160,000 | New | Q4 2025 | Feb 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 147,900 | 962 | 0.0% | 0.0% | 38 | +72,200 | 95.38% | Q4 2025 | Feb 12, 2026 |
| MONIMUS CAPITAL MANAGEMENT, LP | History | Added to | 138,398 | 900 | 0.59% | 0.3% | 39 | +33,598 | 32.06% | Q4 2025 | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 135,216 | 880 | 0.0% | 0.0% | 40 | +102,210 | 309.67% | Q4 2025 | Feb 12, 2026 |
| SPHERA FUNDS MANAGEMENT LTD. | History | Reduced | 121,467 | 790 | 0.15% | 0.17% | 41 | -50,000 | -29.16% | Q4 2025 | Feb 17, 2026 |
| ExodusPoint Capital Management, LP | History | New | 120,728 | 785 | 0.01% | — | 42 | +120,728 | New | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 118,257 | 769 | 0.0% | 0.0% | 43 | +58,731 | 98.66% | Q4 2025 | Feb 17, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | New | 113,502 | 738 | 0.03% | — | 44 | +113,502 | New | Q4 2025 | Feb 17, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 109,494 | 712 | 0.0% | 0.0% | 45 | +66,894 | 157.03% | Q4 2025 | Feb 11, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | Reduced | 100,000 | 651 | 0.0% | 0.01% | 46 | -1,350,000 | -93.1% | Q4 2025 | Feb 17, 2026 |
| XTX Topco Ltd | History | New | 98,036 | 638 | 0.02% | — | 47 | +98,036 | New | Q4 2025 | Feb 17, 2026 |
| RBF Capital, LLC | History | Reduced | 95,042 | 618 | 0.03% | 0.02% | 48 | -4,958 | -4.96% | Q4 2025 | Feb 17, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 89,575 | 583 | 0.0% | 0.0% | 49 | +88,179 | 6316.55% | Q4 2025 | Feb 10, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Added to | 73,306 | 477 | 0.0% | 0.0% | 50 | +35,225 | 92.5% | Q4 2025 | Feb 10, 2026 |
| Hudson Bay Capital Management LP | History | New | 69,391 | 451 | 0.0% | — | 51 | +69,391 | New | Q4 2025 | Feb 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 63,000 | 410 | 0.01% | 0.01% | 52 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| BARCLAYS PLC | History | Added to | 55,717 | 362 | 0.0% | 0.0% | 53 | +54,561 | 4719.81% | Q4 2025 | Feb 13, 2026 |
| Jump Financial, LLC | History | New | 55,438 | 360 | 0.0% | — | 54 | +55,438 | New | Q4 2025 | Feb 17, 2026 |
| Resolute Capital Asset Partners LLC | History | New | 50,000 | 325 | 0.16% | — | 55 | +50,000 | New | Q4 2025 | Feb 17, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 43,440 | 283 | 0.02% | 0.02% | 56 | -2,718 | -5.89% | Q4 2025 | Feb 06, 2026 |
| ADAR1 Capital Management, LLC | History | No change | 36,842 | 239 | 0.02% | 0.02% | 57 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | History | New | 36,125 | 235 | 0.02% | — | 59 | +36,125 | New | Q4 2025 | Feb 13, 2026 |
| Rangeley Capital, LLC | History | Reduced | 36,200 | 235 | 0.2% | 0.18% | 58 | -7,800 | -17.73% | Q4 2025 | Feb 17, 2026 |
| Rathbones Group PLC | History | No change | 32,003 | 208 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| CITIGROUP INC | History | Added to | 31,337 | 204 | 0.0% | 0.0% | 61 | +29,843 | 1997.52% | Q4 2025 | Feb 13, 2026 |
| Qube Research & Technologies Ltd | History | New | 31,234 | 203 | 0.0% | — | 63 | +31,234 | New | Q4 2025 | Feb 17, 2026 |
| Squarepoint Ops LLC | History | New | 31,213 | 203 | 0.0% | — | 62 | +31,213 | New | Q4 2025 | Feb 13, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 27,600 | 179 | 0.0% | — | 64 | +27,600 | New | Q4 2025 | Feb 13, 2026 |
| Trexquant Investment LP | History | New | 24,306 | 158 | 0.0% | — | 65 | +24,306 | New | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA ADVISERS, LP | History | New | 20,806 | 135 | 0.0% | — | 66 | +20,806 | New | Q4 2025 | Feb 17, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 20,838 | 134 | 0.0% | 0.0% | 67 | -129,354 | -86.13% | Q4 2025 | Feb 10, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | New | 15,750 | 102 | 0.0% | — | 68 | +15,750 | New | Q4 2025 | Feb 13, 2026 |
| Lighthouse Investment Partners, LLC | History | New | 14,580 | 94 | 0.0% | — | 69 | +14,580 | New | Q4 2025 | Feb 17, 2026 |
| Jefferies Financial Group Inc. | History | New | 13,729 | 89 | 0.0% | — | 70 | +13,729 | New | Q4 2025 | Feb 09, 2026 |
| China Universal Asset Management Co., Ltd. | History | Added to | 11,202 | 72 | 0.01% | 0.0% | 71 | +5,453 | 94.85% | Q4 2025 | Jan 29, 2026 |
| BANK OF MONTREAL /CAN/ | History | Reduced | 10,001 | 65 | 0.0% | 0.0% | 72 | -10,000 | -50.0% | Q4 2025 | Feb 12, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 9,489 | 61 | 0.0% | 0.0% | 73 | +1,650 | 21.05% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Reduced | 8,068 | 52 | 0.0% | 0.0% | 74 | -234,383 | -96.67% | Q4 2025 | Jan 29, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 5,241 | 34 | 0.0% | 0.0% | 75 | +3,066 | 140.97% | Q4 2025 | Feb 11, 2026 |
| Mirae Asset Global Investments Co., Ltd. | History | Added to | 3,341 | 21 | 0.0% | 0.0% | 76 | +2,073 | 163.49% | Q4 2025 | Jan 26, 2026 |
| FMR LLC | History | Reduced | 1,664 | 10 | 0.0% | 0.0% | 77 | -766 | -31.52% | Q4 2025 | Feb 17, 2026 |
| GF FUND MANAGEMENT CO. LTD. | History | Added to | 1,350 | 8 | 0.0% | 0.0% | 78 | +671 | 98.82% | Q4 2025 | Jan 27, 2026 |
| ROYAL BANK OF CANADA | History | New | 383 | 2 | 0.0% | — | 79 | +383 | New | Q4 2025 | Feb 17, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 195 | 1 | 0.0% | — | 80 | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| TCG Crossover Management, LLC | History | Closed out | 0 | 0 | — | 0.27% | — | -1,200,000 | -100.0% | Q3 2025 | Nov 17, 2025 |
| Deep Track Capital, LP | History | Closed out | 0 | 0 | — | 0.15% | — | -1,200,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| EcoR1 Capital, LLC | History | Closed out | 0 | 0 | — | 0.18% | — | -800,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Logos Global Management LP | History | Closed out | 0 | 0 | — | 0.31% | — | -750,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| STEMPOINT CAPITAL LP | History | Closed out | 0 | 0 | — | 0.36% | — | -389,189 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Monashee Investment Management LLC | History | Closed out | 0 | 0 | — | 0.69% | — | -300,000 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Opaleye Management Inc. | History | Closed out | 0 | 0 | — | 0.05% | — | -75,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| FIFTH LANE CAPITAL, LP | History | Closed out | 0 | 0 | — | 0.32% | — | -70,000 | -100.0% | Q3 2025 | Nov 12, 2025 |
| GROUP ONE TRADING LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -38,100 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Militia Capital Partners, LP | History | Closed out | 0 | 0 | — | 0.03% | — | -15,500 | -100.0% | Q3 2025 | Feb 17, 2026 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | Closed out | 0 | 0 | — | 0.01% | — | -10,000 | -100.0% | Q3 2025 | Nov 18, 2025 |
| Burkehill Global Management, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CWM, LLC | History | Reduced | 5 | 0 | — | 0.0% | — | -762 | -99.35% | Q4 2025 | Jan 26, 2026 |
| Parallel Advisors, LLC | History | New | 135 | 0 | — | — | — | +135 | New | Q4 2025 | Feb 11, 2026 |
| Cornerstone Financial Management LLC | History | New | 121 | 0 | — | — | — | +121 | New | Q4 2025 | Feb 13, 2026 |
| OPTIMA CAPITAL LLC | History | New | 108 | 0 | — | — | — | +108 | New | Q4 2025 | Jan 23, 2026 |
| Allworth Financial LP | History | New | 28 | 0 | — | — | — | +28 | New | Q4 2025 | Feb 05, 2026 |
| Larson Financial Group LLC | History | New | 13 | 0 | — | — | — | +13 | New | Q4 2025 | Feb 06, 2026 |
| OSAIC HOLDINGS, INC. | History | New | 8 | 0 | — | — | — | +8 | New | Q4 2025 | Feb 17, 2026 |