PepGen Inc. (PEPG) ownership: Top institutional holder: RA CAPITAL MANAGEMENT, L.P. ($35.51M). Insider activity: Net Seller (0 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 20064545.00 | $35.51M | 2026-03-31 |
| VANGUARD GROUP INC | 2212834.00 | $14.41M | 2025-12-31 |
| BVF INC/IL | 1915000.00 | $12.47M | 2025-12-31 |
| JANUS HENDERSON GROUP PLC | 1500000.00 | $9.79M | 2025-12-31 |
| Commodore Capital LP | 4475000.00 | $7.92M | 2026-03-31 |
| VIKING GLOBAL INVESTORS LP | 3482434.00 | $6.16M | 2026-03-31 |
| Laurion Capital Management LP | 2750855.00 | $4.87M | 2026-03-31 |
| Octagon Capital Advisors LP | 700000.00 | $4.56M | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-03-04 | |
| Sell | null | 2026-03-04 | |
| Sell | null | 2026-03-04 | |
| Sell | null | 2026-03-04 | |
| Sell | null | 2026-03-04 | |
| Sell | null | 2026-03-04 | |
| Sell | null | 2026-03-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.