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 |
|---|---|---|---|---|---|
| CWM, LLC | 5 | $0 | 0.00% | −762−99.3% | Reduced |
| Advisor Group Holdings, Inc. | 8 | $52 | 0.00% | +8 | New |
| Larson Financial Group LLC | 13 | $85 | 0.00% | +13 | New |
| Allworth Financial LP | 28 | $183 | 0.00% | +28 | New |
| Optima Capital LLC | 108 | $703 | 0.00% | +108 | New |
| Cornerstone Financial Management LLC | 121 | $788 | 0.00% | +121 | New |
| Parallel Advisors, LLC | 135 | $879 | 0.00% | +135 | New |
| Nisa Investment Advisors, LLC | 195 | $1.27K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 383 | $2.00K | 0.00% | −4,076−91.4% | Reduced |
| GF Fund Management Co. Ltd. | 1,350 | $8.79K | 0.00% | +671+98.8% | Added |
| FMR LLC | 1,664 | $10.8K | 0.00% | −766−31.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,341 | $21.8K | 0.00% | +2,073+163.5% | Added |
| JPMorgan Chase & Co | 5,241 | $34.1K | 0.00% | +3,066+141.0% | Added |
| UBS Group AG | 8,068 | $52.5K | 0.00% | −234,383−96.7% | Reduced |
| Tower Research Capital LLC (TRC) | 9,489 | $61.8K | 0.00% | +1,650+21.0% | Added |
| Bank of Montreal | 10,001 | $65.1K | 0.00% | −10,000−50.0% | Reduced |
| China Universal Asset Management Co., Ltd. | 11,202 | $72.9K | 0.01% | +5,453+94.9% | Added |
| Jefferies Financial Group Inc. | 13,729 | $89.4K | 0.00% | +13,729 | New |
| Lighthouse Investment Partners, LLC | 14,580 | $94.9K | 0.00% | +14,580 | New |
| American Century Companies Inc | 15,750 | $102.5K | 0.00% | +15,750 | New |
| Acadian Asset Management LLC | 20,838 | $134.0K | 0.00% | −129,354−86.1% | Reduced |
| Two Sigma Advisers, LP | 20,806 | $135.4K | 0.00% | +20,806 | New |
| Trexquant Investment LP | 24,306 | $158.2K | 0.00% | +24,306 | New |
| Omers Administration Corp | 27,600 | $179.7K | 0.00% | +27,600 | New |
| Squarepoint Ops LLC | 31,213 | $203.2K | 0.00% | +31,213 | New |
| Qube Research & Technologies Ltd | 31,234 | $203.3K | 0.00% | +31,234 | New |
| Citigroup Inc | 31,337 | $204.0K | 0.00% | +29,843+1,997.5% | Added |
| Rathbone Brothers plc | 32,003 | $208.3K | 0.00% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 36,125 | $235.2K | 0.02% | +36,125 | New |
| Rangeley Capital, LLC | 36,200 | $235.7K | 0.20% | −7,800−17.7% | Reduced |
| ADAR1 Capital Management, LLC | 36,842 | $239.8K | 0.02% | 00.0% | Unchanged |
| Simplex Trading, LLC | 43,194 | $281.2K | 0.01% | +43,194 | New |
| Gsa Capital Partners LLP | 43,440 | $283.0K | 0.02% | −2,718−5.9% | Reduced |
| Resolute Capital Asset Partners LLC | 50,000 | $325.5K | 0.16% | +50,000 | New |
| Jump Financial, LLC | 55,438 | $360.9K | 0.00% | +55,438 | New |
| Barclays PLC | 55,717 | $362.7K | 0.00% | +54,561+4,719.8% | Added |
| Bridgeway Capital Management, LLC | 63,000 | $410.1K | 0.01% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 69,391 | $451.7K | 0.00% | +69,391 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 73,306 | $477.2K | 0.00% | +35,225+92.5% | Added |
| BNP Paribas Arbitrage, SA | 89,575 | $583.1K | 0.00% | +88,179+6,316.5% | Added |
| RBF Capital, LLC | 95,042 | $618.7K | 0.03% | −4,958−5.0% | Reduced |
| XTX Topco Ltd | 98,036 | $638.2K | 0.02% | +98,036 | New |
| Adage Capital Partners GP, L.L.C. | 100,000 | $651.0K | 0.00% | −1,350,000−93.1% | Reduced |
| Readystate Asset Management LP | 113,502 | $738.9K | 0.03% | +113,502 | New |
| Northern Trust Corp | 118,257 | $769.9K | 0.00% | +58,731+98.7% | Added |
| ExodusPoint Capital Management, LP | 120,728 | $785.9K | 0.01% | −69,528−36.5% | Reduced |
| Sphera Funds Management Ltd. | 121,467 | $790.8K | 0.17% | −50,000−29.2% | Reduced |
| Susquehanna International Group, LLP | 125,498 | $817.0K | 0.00% | −6,134−4.7% | Reduced |
| Dimensional Fund Advisors LP | 135,216 | $880.1K | 0.00% | +102,210+309.7% | Added |
| Monimus Capital Management, LP | 138,398 | $901.0K | 0.59% | +33,598+32.1% | Added |
| Renaissance Technologies LLC | 147,900 | $962.8K | 0.00% | +72,200+95.4% | Added |
| Polymer Capital Management (HK) LTD | 160,000 | $1.04M | 0.16% | +160,000 | New |
| 683 Capital Management, LLC | 186,916 | $1.22M | 0.10% | +186,916 | New |
| Jane Street Group, LLC | 192,733 | $1.25M | 0.00% | +192,733 | New |
| Millennium Management LLC | 197,943 | $1.29M | 0.00% | −302,323−60.4% | Reduced |
| Artia Global Partners LP | 205,324 | $1.34M | 0.21% | +205,324 | New |
| State Street Corp | 217,490 | $1.42M | 0.00% | +151,700+230.6% | Added |
| Goldman Sachs Group Inc | 241,618 | $1.57M | 0.00% | +241,618 | New |
| Walleye Capital LLC | 255,974 | $1.67M | 0.01% | +255,974 | New |
| Two Sigma Investments, LP | 267,425 | $1.74M | 0.00% | +174,932+189.1% | Added |
| Citadel Advisors LLC | 267,789 | $1.74M | 0.00% | −29,469−9.9% | Reduced |
| Marshall Wace, LLP | 290,589 | $1.89M | 0.00% | +290,589 | New |
| Driehaus Capital Management LLC | 315,000 | $2.05M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 351,141 | $2.29M | 0.00% | +348,456+12,977.9% | Added |
| Boxer Capital Management, LLC | 373,892 | $2.43M | 0.53% | +123,892+49.6% | Added |
| Boothbay Fund Management, LLC | 417,996 | $2.72M | 0.07% | +67,611+19.3% | Added |
| Ikarian Capital, LLC | 447,165 | $2.91M | 0.38% | −88,802−16.6% | Reduced |
| Geode Capital Management, LLC | 542,109 | $3.53M | 0.00% | +341,378+170.1% | Added |
| 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 |
| Perceptive Advisors LLC | 829,870 | $5.40M | 0.10% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 866,269 | $5.64M | 0.01% | −467,314−35.0% | Reduced |
| Morgan Stanley | 1,084,400 | $7.06M | 0.00% | +509,244+88.5% | Added |
| BlackRock, Inc. | 1,234,414 | $8.04M | 0.00% | +784,288+174.2% | Added |
| AWM Investment Company, Inc. | 1,300,000 | $8.46M | 0.82% | +275,000+26.8% | Added |
| Woodline Partners LP | 1,311,021 | $8.53M | 0.03% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 1,352,424 | $8.80M | 0.01% | +871,059+181.0% | Added |
| Janus Henderson Group PLC | 1,500,000 | $9.79M | 0.00% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 1,547,229 | $10.1M | 0.60% | +1,547,229 | New |
| BVF Inc | 1,915,000 | $12.5M | 0.42% | 00.0% | Unchanged |
| Laurion Capital Management LP | 2,052,133 | $13.4M | 0.91% | +159,977+8.5% | Added |
| Vanguard Group Inc | 2,212,834 | $14.4M | 0.00% | +444,478+25.1% | Added |
| Point72 Asset Management, L.P. | 2,274,416 | $14.8M | 0.02% | +244,416+12.0% | Added |
| Vivo Capital, LLC | 2,325,000 | $15.1M | 0.98% | 00.0% | Unchanged |
| Commodore Capital LP | 3,400,000 | $22.1M | 1.47% | +1,042,681+44.2% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,482,434 | $22.7M | 0.06% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 20,064,545 | $130.6M | 1.34% | 00.0% | Unchanged |
| 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 |