PepGen Inc.
PEPG- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001835597
No open-market purchases or sales by PepGen Inc. insiders were filed in the last 90 days; 71 institutions reported holding it in 13F filings for Q2 2026, worth $93.7M in total; Viking Global Investors is the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in PepGen Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 87
- +17 vs. Q3 2025
- Shares held
- 57.4M
- +674.2K (+1.2%) vs. Q3 2025
- Total value
- $373.5M
- +$111.6M (+42.6%) vs. Q3 2025
- New holders
- 29
- 27 more added
- Sold out
- 12
- 17 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PEPG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 71 | $93.7M |
| Q1 2026 | 93 | $98.8M |
| Q4 2025 | 87 | $373.5M |
| Q3 2025 | 72 | $262.1M |
| Q2 2025 | 52 | $25.8M |
| Q1 2025 | 72 | $35.6M |
| Q4 2024 | 61 | $94.7M |
| Q3 2024 | 62 | $216.6M |
| Q2 2024 | 61 | $401.4M |
| Q1 2024 | 56 | $363.0M |
| Q4 2023 | 42 | $110.2M |
| Q3 2023 | 43 | $84.4M |
| Q2 2023 | 44 | $153.7M |
| Q1 2023 | 45 | $210.0M |
| Q4 2022 | 46 | $227.5M |
| Q3 2022 | 43 | $152.9M |
| Q2 2022 | 43 | $168.5M |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding PepGen Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 20,064,545 | $130.6M | 1.34% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,482,434 | $22.7M | 0.06% | 00.0% | Unchanged |
| Commodore Capital LP | 3,400,000 | $22.1M | 1.47% | +1,042,681+44.2% | Added |
| Vivo Capital, LLC | 2,325,000 | $15.1M | 0.98% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 2,274,416 | $14.8M | 0.02% | +244,416+12.0% | Added |
| Vanguard Group Inc | 2,212,834 | $14.4M | 0.00% | +444,478+25.1% | Added |
| Laurion Capital Management LP | 2,052,133 | $13.4M | 0.91% | +159,977+8.5% | Added |
| BVF Inc | 1,915,000 | $12.5M | 0.42% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 1,547,229 | $10.1M | 0.60% | +1,547,229 | New |
| Janus Henderson Group PLC | 1,500,000 | $9.79M | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 1,352,424 | $8.80M | 0.01% | +871,059+181.0% | Added |
| Woodline Partners LP | 1,311,021 | $8.53M | 0.03% | 00.0% | Unchanged |
| AWM Investment Company, Inc. | 1,300,000 | $8.46M | 0.82% | +275,000+26.8% | Added |
| BlackRock, Inc. | 1,234,414 | $8.04M | 0.00% | +784,288+174.2% | Added |
| Morgan Stanley | 1,084,400 | $7.06M | 0.00% | +509,244+88.5% | Added |
| Balyasny Asset Management LLC | 866,269 | $5.64M | 0.01% | −467,314−35.0% | Reduced |
| Perceptive Advisors LLC | 829,870 | $5.40M | 0.10% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 700,000 | $4.56M | 0.57% | 00.0% | Unchanged |
| Siren, L.L.C. | 700,000 | $4.56M | 0.14% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 542,109 | $3.53M | 0.00% | +341,378+170.1% | Added |
| Ikarian Capital, LLC | 447,165 | $2.91M | 0.38% | −88,802−16.6% | Reduced |
| Boothbay Fund Management, LLC | 417,996 | $2.72M | 0.07% | +67,611+19.3% | Added |
| Boxer Capital Management, LLC | 373,892 | $2.43M | 0.53% | +123,892+49.6% | Added |
| Bank of America Corp | 351,141 | $2.29M | 0.00% | +348,456+12,977.9% | Added |
| Driehaus Capital Management LLC | 315,000 | $2.05M | 0.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 290,589 | $1.89M | 0.00% | +290,589 | New |
| Citadel Advisors LLC | 267,789 | $1.74M | 0.00% | −29,469−9.9% | Reduced |
| Two Sigma Investments, LP | 267,425 | $1.74M | 0.00% | +174,932+189.1% | Added |
| Walleye Capital LLC | 255,974 | $1.67M | 0.01% | +255,974 | New |
| Goldman Sachs Group Inc | 241,618 | $1.57M | 0.00% | +241,618 | New |
| State Street Corp | 217,490 | $1.42M | 0.00% | +151,700+230.6% | Added |
| Artia Global Partners LP | 205,324 | $1.34M | 0.21% | +205,324 | New |
| Millennium Management LLC | 197,943 | $1.29M | 0.00% | −302,323−60.4% | Reduced |
| Jane Street Group, LLC | 192,733 | $1.25M | 0.00% | +192,733 | New |
| 683 Capital Management, LLC | 186,916 | $1.22M | 0.10% | +186,916 | New |
| Polymer Capital Management (HK) LTD | 160,000 | $1.04M | 0.16% | +160,000 | New |
| Renaissance Technologies LLC | 147,900 | $962.8K | 0.00% | +72,200+95.4% | Added |
| Monimus Capital Management, LP | 138,398 | $901.0K | 0.59% | +33,598+32.1% | Added |
| Dimensional Fund Advisors LP | 135,216 | $880.1K | 0.00% | +102,210+309.7% | Added |
| Susquehanna International Group, LLP | 125,498 | $817.0K | 0.00% | −6,134−4.7% | Reduced |
| Sphera Funds Management Ltd. | 121,467 | $790.8K | 0.17% | −50,000−29.2% | Reduced |
| ExodusPoint Capital Management, LP | 120,728 | $785.9K | 0.01% | −69,528−36.5% | Reduced |
| Northern Trust Corp | 118,257 | $769.9K | 0.00% | +58,731+98.7% | Added |
| Readystate Asset Management LP | 113,502 | $738.9K | 0.03% | +113,502 | New |
| Adage Capital Partners GP, L.L.C. | 100,000 | $651.0K | 0.00% | −1,350,000−93.1% | Reduced |
| XTX Topco Ltd | 98,036 | $638.2K | 0.02% | +98,036 | New |
| RBF Capital, LLC | 95,042 | $618.7K | 0.03% | −4,958−5.0% | Reduced |
| BNP Paribas Arbitrage, SA | 89,575 | $583.1K | 0.00% | +88,179+6,316.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 73,306 | $477.2K | 0.00% | +35,225+92.5% | Added |
| Hudson Bay Capital Management LP | 69,391 | $451.7K | 0.00% | +69,391 | New |
| Bridgeway Capital Management, LLC | 63,000 | $410.1K | 0.01% | 00.0% | Unchanged |
| Barclays PLC | 55,717 | $362.7K | 0.00% | +54,561+4,719.8% | Added |
| Jump Financial, LLC | 55,438 | $360.9K | 0.00% | +55,438 | New |
| Resolute Capital Asset Partners LLC | 50,000 | $325.5K | 0.16% | +50,000 | New |
| Gsa Capital Partners LLP | 43,440 | $283.0K | 0.02% | −2,718−5.9% | Reduced |
| Simplex Trading, LLC | 43,194 | $281.2K | 0.01% | +43,194 | New |
| ADAR1 Capital Management, LLC | 36,842 | $239.8K | 0.02% | 00.0% | Unchanged |
| Rangeley Capital, LLC | 36,200 | $235.7K | 0.20% | −7,800−17.7% | Reduced |
| Landscape Capital Management, L.L.C. | 36,125 | $235.2K | 0.02% | +36,125 | New |
| Rathbone Brothers plc | 32,003 | $208.3K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 31,337 | $204.0K | 0.00% | +29,843+1,997.5% | Added |
| Qube Research & Technologies Ltd | 31,234 | $203.3K | 0.00% | +31,234 | New |
| Squarepoint Ops LLC | 31,213 | $203.2K | 0.00% | +31,213 | New |
| Omers Administration Corp | 27,600 | $179.7K | 0.00% | +27,600 | New |
| Trexquant Investment LP | 24,306 | $158.2K | 0.00% | +24,306 | New |
| Two Sigma Advisers, LP | 20,806 | $135.4K | 0.00% | +20,806 | New |
| Acadian Asset Management LLC | 20,838 | $134.0K | 0.00% | −129,354−86.1% | Reduced |
| American Century Companies Inc | 15,750 | $102.5K | 0.00% | +15,750 | New |
| Lighthouse Investment Partners, LLC | 14,580 | $94.9K | 0.00% | +14,580 | New |
| Jefferies Financial Group Inc. | 13,729 | $89.4K | 0.00% | +13,729 | New |
| China Universal Asset Management Co., Ltd. | 11,202 | $72.9K | 0.01% | +5,453+94.9% | Added |
| Bank of Montreal | 10,001 | $65.1K | 0.00% | −10,000−50.0% | Reduced |
| Tower Research Capital LLC (TRC) | 9,489 | $61.8K | 0.00% | +1,650+21.0% | Added |
| UBS Group AG | 8,068 | $52.5K | 0.00% | −234,383−96.7% | Reduced |
| JPMorgan Chase & Co | 5,241 | $34.1K | 0.00% | +3,066+141.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,341 | $21.8K | 0.00% | +2,073+163.5% | Added |
| FMR LLC | 1,664 | $10.8K | 0.00% | −766−31.5% | Reduced |
| GF Fund Management Co. Ltd. | 1,350 | $8.79K | 0.00% | +671+98.8% | Added |
| Royal Bank of Canada | 383 | $2.00K | 0.00% | −4,076−91.4% | Reduced |
| Nisa Investment Advisors, LLC | 195 | $1.27K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 135 | $879 | 0.00% | +135 | New |
| Cornerstone Financial Management LLC | 121 | $788 | 0.00% | +121 | New |
| Optima Capital LLC | 108 | $703 | 0.00% | +108 | New |
| Allworth Financial LP | 28 | $183 | 0.00% | +28 | New |
| Larson Financial Group LLC | 13 | $85 | 0.00% | +13 | New |
| Advisor Group Holdings, Inc. | 8 | $52 | 0.00% | +8 | New |
| CWM, LLC | 5 | $0 | 0.00% | −762−99.3% | Reduced |
| RTW Investments, LP | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| TCG Crossover Management, LLC | 0 | $0 | 0.00% | −1,200,000−100.0% | Sold out |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −1,200,000−100.0% | Sold out |
| EcoR1 Capital, LLC | 0 | $0 | 0.00% | −800,000−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −389,189−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Opaleye Management Inc. | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Fifth Lane Capital, LP | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Militia Capital Partners, LP | 0 | $0 | 0.00% | −15,500−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Burkehill Global Management, LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |