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.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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