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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −21 vs. previous quarter
- 71
- 13F valueReported value at the end of Q2 2026
- $93.7M
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Superinvestors holding PEPG, Q2 2026
1 superinvestor reports holding PepGen Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Viking Global Investors
Andreas Halvorsen
<0.1%
PepGen Inc.'s share of the portfolio
- Shares
- 3,482,434
- Value
- $6.27M
Latest insider trades
Open-market purchases and sales by PepGen Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 26, 2026 (view filing) | May 21 | 5 days | Kasraian KasraChief Technical Officer | SSale | −1.23K | $1.41 | −$1.74K | −2.4%50.1K after | |
| Mar 6, 2026 (view filing) | Mar 4 | 2 days | Streck PaulEVP, Head of R&D | SSale | −1.88K | $6.23 | −$11.7K | −2.4%76.2K after | 2 lots |
| Mar 6, 2026 (view filing) | Mar 4 | 2 days | Donnelly NoelChief Financial Officer | SSale | −2.08K | $6.23 | −$13.0K | −1.8%111.6K after | 2 lots |
| Mar 6, 2026 (view filing) | Mar 4 | 2 days | McArthur James GPresident and CEO | SSale | −5.28K | $6.23 | −$32.9K | −1.7%296.3K after | 2 lots |
| Oct 1, 2025 (view filing) | Sep 30 | 1 day | Oxford Science Enterprises plcOther: Former 10% Owner | PPurchase | +200.0K | $3.20 | +$640.0K | +4.2%4.96M after | |
| Sep 30, 2025 (view filing)4:35 PM ET | Sep 26 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +9.38M | $3.20 | +$30.0M | +102.1%18.6M after | |
| Jun 2, 2025 (view filing) | May 30 | 3 days | Streck PaulEVP, Head of R&D | PPurchase | +8.38K | $1.24 | +$10.4K | +43.1%27.8K after | |
| Apr 22, 2025 (view filing) | Apr 17 | 5 daysLate | McArthur James GPresident and CEO | PPurchase | +10.0K | $1.36 | +$13.6K | +9.6%113.9K after | |
| Apr 9, 2025 (view filing) | Apr 8 | 1 day | McArthur James GPresident and CEO | PPurchase | +41.5K | $1.15 | +$47.7K | +66.5%103.9K after | |
| Feb 26, 2025 (view filing) | Feb 26 | Same day | DeLena Mary BethGeneral Counsel | SSale | −1.43K | $1.68 | −$2.41K | −47.7%1.57K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in PepGen Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 20,064,545 | $36.1M | 0.31% | 00.0% | Unchanged |
| Commodore Capital LP | 4,475,000 | $8.05M | 0.48% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 3,482,434 | $6.27M | 0.02% | 00.0% | Unchanged |
| Laurion Capital Management LP | 2,750,855 | $4.95M | 0.36% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 2,591,085 | $4.66M | 0.22% | +983,447+61.2% | Added |
| Vivo Capital, LLC | 2,325,000 | $4.18M | 0.38% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 1,935,920 | $3.48M | 0.00% | −1,779−0.1% | Reduced |
| Millennium Management LLC | 1,786,765 | $3.22M | 0.00% | −292,378−14.1% | Reduced |
| Renaissance Technologies LLC | 1,520,246 | $2.74M | 0.00% | +1,463,446+2,576.5% | Added |
| BlackRock, Inc. | 1,304,262 | $2.35M | 0.00% | +26,478+2.1% | Added |