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, Q1 2026
Institutional positions in PepGen Inc. as of Mar 31, 2026. 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
- 93
- +7 vs. Q4 2025
- Shares held
- 55.8M
- +652.0K (+1.2%) vs. Q4 2025
- Total value
- $98.8M
- −$260.3M (−72.5%) vs. Q4 2025
- New holders
- 27
- 27 more added
- Sold out
- 20
- 26 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding PepGen Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 20,064,545 | $35.5M | 0.38% | 00.0% | Unchanged |
| Commodore Capital LP | 4,475,000 | $7.92M | 0.46% | +1,075,000+31.6% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,482,434 | $6.16M | 0.02% | 00.0% | Unchanged |
| Laurion Capital Management LP | 2,750,855 | $4.87M | 0.46% | +698,722+34.0% | Added |
| Vivo Capital, LLC | 2,325,000 | $4.12M | 0.34% | 00.0% | Unchanged |
| Millennium Management LLC | 2,079,143 | $3.68M | 0.00% | +1,881,200+950.4% | Added |
| Vanguard Capital Management LLC | 1,937,699 | $3.43M | 0.00% | +1,937,699 | New |
| AWM Investment Company, Inc. | 1,830,925 | $3.24M | 0.36% | +530,925+40.8% | Added |
| ADAR1 Capital Management, LLC | 1,607,638 | $2.85M | 0.17% | +1,570,796+4,263.6% | Added |
| Woodline Partners LP | 1,311,021 | $2.32M | 0.01% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 1,306,783 | $2.31M | 0.00% | −45,641−3.4% | Reduced |
| BlackRock, Inc. | 1,277,784 | $2.26M | 0.00% | +43,370+3.5% | Added |
| Kalehua Capital Management LLC | 1,000,000 | $1.77M | 1.25% | +1,000,000 | New |
| Morgan Stanley | 998,987 | $1.77M | 0.00% | −85,413−7.9% | Reduced |
| Qube Research & Technologies Ltd | 706,472 | $1.25M | 0.00% | +675,238+2,161.9% | Added |
| Nantahala Capital Management, LLC | 681,158 | $1.21M | 0.08% | −866,071−56.0% | Reduced |
| Monimus Capital Management, LP | 598,663 | $1.06M | 0.29% | +460,265+332.6% | Added |
| Geode Capital Management, LLC | 535,999 | $949.2K | 0.00% | −6,110−1.1% | Reduced |
| Creek Drive Management Group LLC | 450,000 | $796.5K | 0.50% | +450,000 | New |
| Ikarian Capital, LLC | 447,165 | $791.5K | 0.11% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 442,168 | $782.6K | 0.00% | +316,670+252.3% | Added |
| Boothbay Fund Management, LLC | 351,374 | $621.9K | 0.01% | −66,622−15.9% | Reduced |
| Marshall Wace, LLP | 298,568 | $528.5K | 0.00% | +7,979+2.7% | Added |
| Driehaus Capital Management LLC | 279,909 | $495.4K | 0.00% | −35,091−11.1% | Reduced |
| Boxer Capital Management, LLC | 272,892 | $483.0K | 0.06% | −101,000−27.0% | Reduced |
| Vanguard Fiduciary Trust Co | 259,697 | $459.7K | 0.00% | +259,697 | New |
| State Street Corp | 229,390 | $406.0K | 0.00% | +11,900+5.5% | Added |
| Dimensional Fund Advisors LP | 216,824 | $394.1K | 0.00% | +81,608+60.4% | Added |
| Citadel Advisors LLC | 207,922 | $368.0K | 0.00% | −59,867−22.4% | Reduced |
| Artia Global Partners LP | 205,324 | $363.4K | 0.08% | 00.0% | Unchanged |
| Jane Street Group, LLC | 197,391 | $349.4K | 0.00% | +4,658+2.4% | Added |
| Two Sigma Investments, LP | 181,705 | $321.6K | 0.00% | −85,720−32.1% | Reduced |
| Quadrature Capital Ltd | 158,826 | $281.1K | 0.00% | +158,826 | New |
| Diadema Partners LP | 150,925 | $267.1K | 0.11% | +150,925 | New |
| Luminus Management LLC | 150,000 | $265.5K | 0.16% | +150,000 | New |
| Squarepoint Ops LLC | 146,596 | $259.5K | 0.00% | +115,383+369.7% | Added |
| Goldman Sachs Group Inc | 138,653 | $245.4K | 0.00% | −102,965−42.6% | Reduced |
| XTX Topco Ltd | 131,151 | $232.1K | 0.00% | +33,115+33.8% | Added |
| Wellington Management Group LLP | 121,974 | $215.9K | 0.00% | +121,974 | New |
| Readystate Asset Management LP | 115,116 | $203.8K | 0.01% | +1,614+1.4% | Added |
| Northern Trust Corp | 104,899 | $185.7K | 0.00% | −13,358−11.3% | Reduced |
| RBF Capital, LLC | 95,042 | $168.2K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 94,030 | $166.4K | 0.00% | +85,962+1,065.5% | Added |
| ExodusPoint Capital Management, LP | 79,581 | $140.9K | 0.00% | −41,147−34.1% | Reduced |
| Hudson Bay Capital Management LP | 69,593 | $123.2K | 0.00% | +202+0.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 69,123 | $122.3K | 0.00% | −4,183−5.7% | Reduced |
| Rangeley Capital, LLC | 68,096 | $120.5K | 0.13% | +31,896+88.1% | Added |
| Brevan Howard Capital Management LP | 66,402 | $117.5K | 0.00% | +66,402 | New |
| Point72 Asset Management, L.P. | 65,972 | $116.8K | 0.00% | −2,208,444−97.1% | Reduced |
| BNP Paribas Arbitrage, SA | 63,732 | $112.8K | 0.00% | −25,843−28.9% | Reduced |
| Acadian Asset Management LLC | 64,607 | $112.0K | 0.00% | +43,769+210.0% | Added |
| Landscape Capital Management, L.L.C. | 61,073 | $108.1K | 0.01% | +24,948+69.1% | Added |
| Seven Fleet Capital Management LP | 59,500 | $105.3K | 0.03% | +59,500 | New |
| Renaissance Technologies LLC | 56,800 | $100.5K | 0.00% | −91,100−61.6% | Reduced |
| Verdad Advisers, LP | 54,380 | $96.3K | 0.11% | +54,380 | New |
| Bank of America Corp | 53,316 | $94.4K | 0.00% | −297,825−84.8% | Reduced |
| Barclays PLC | 45,130 | $79.9K | 0.00% | −10,587−19.0% | Reduced |
| Bridgeway Capital Management, LLC | 43,700 | $77.3K | 0.00% | −19,300−30.6% | Reduced |
| Group One Trading, L.P. | 43,537 | $77.1K | 0.00% | +43,537 | New |
| American Century Companies Inc | 42,601 | $75.4K | 0.00% | +26,851+170.5% | Added |
| Scientech Research LLC | 42,073 | $74.5K | 0.06% | +42,073 | New |
| Gsa Capital Partners LLP | 38,286 | $68.0K | 0.00% | −5,154−11.9% | Reduced |
| Persistent Asset Partners Ltd | 38,152 | $67.5K | 0.03% | +38,152 | New |
| Rathbone Brothers plc | 32,003 | $56.6K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 27,012 | $47.8K | 0.00% | +27,012 | New |
| Omers Administration Corp | 24,900 | $44.1K | 0.00% | −2,700−9.8% | Reduced |
| Mangrove Partners | 19,774 | $35.0K | 0.00% | +19,774 | New |
| Virtu Financial LLC | 18,974 | $34.0K | 0.00% | +18,974 | New |
| Vanguard Global Advisers, LLC | 17,723 | $31.4K | 0.00% | +17,723 | New |
| Schonfeld Strategic Advisors LLC | 17,400 | $30.8K | 0.00% | +17,400 | New |
| Catalyst Funds Management Pty Ltd | 15,300 | $27.1K | 0.00% | +15,300 | New |
| Diametric Capital, LP | 15,221 | $26.9K | 0.01% | +15,221 | New |
| Balyasny Asset Management LLC | 14,293 | $25.3K | 0.00% | −851,976−98.4% | Reduced |
| JPMorgan Chase & Co | 5,185 | $21.9K | 0.00% | −56−1.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 12,200 | $21.6K | 0.00% | +998+8.9% | Added |
| Jefferies Financial Group Inc. | 10,289 | $18.2K | 0.00% | −3,440−25.1% | Reduced |
| Prelude Capital Management, LLC | 10,153 | $18.0K | 0.00% | +10,153 | New |
| Tower Research Capital LLC (TRC) | 5,540 | $9.81K | 0.00% | −3,949−41.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,586 | $6.35K | 0.00% | +245+7.3% | Added |
| Citigroup Inc | 2,506 | $4.44K | 0.00% | −28,831−92.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,006 | $3.55K | 0.00% | +2,006 | New |
| FMR LLC | 1,664 | $2.94K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,533 | $2.71K | 0.00% | +183+13.6% | Added |
| Royal Bank of Canada | 982 | $2.00K | 0.00% | +599+156.4% | Added |
| Jones Financial Companies LLLP | 326 | $1.47K | 0.00% | +326 | New |
| Accent Capital Management, LLC | 718 | $1.27K | 0.00% | +718 | New |
| Nisa Investment Advisors, LLC | 195 | $345 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 135 | $239 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 121 | $214 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 112 | $198 | 0.00% | +112 | New |
| Bare Financial Services, Inc | 102 | $181 | 0.00% | +102 | New |
| Allworth Financial LP | 68 | $121 | 0.00% | +40+142.9% | Added |
| CWM, LLC | 5 | $9 | 0.00% | 00.0% | Unchanged |
| BVF Inc | 0 | $0 | 0.00% | −1,915,000−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −829,870−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −700,000−100.0% | Sold out |
| Siren, L.L.C. | 0 | $0 | 0.00% | −700,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −255,974−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −186,916−100.0% | Sold out |