As of November 6, 2026, PepGen Inc. is a publicly traded company (Nasdaq: PEPG). The largest holder reporting an active stake on Schedule 13D is RA Capital, at 29.2%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Oxford Science Enterprises plc (7.2%), Commodore Capital (6.5%), Viking Global (5.03%) (Schedule 13D/A, September 30, 2025).
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Is PepGen Inc. a real, registered company?
- PepGen Inc. files with the SEC under CIK 1835597 (its SEC filings).
- Its shares are listed under the ticker PEPG on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Boston, Massachusetts, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under PepGen Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Commodore Capital (filed 2026-05-15).
Who are PepGen Inc.'s owners and officers?
PepGen Inc.: incorporated in Delaware; business address in Boston, Massachusetts; industry Pharmaceutical Preparations (Schedule 13G/A, 2026-05-15).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-05-15 | Commodore Capital LP | 6.5% |
| Schedule 13G/A, 2026-05-15 | Viking Global Investors LP | 5.03% |
| Schedule 13G, 2026-03-11 | Commodore Capital LP | 5.1% |
| Schedule 13G/A, 2025-11-14 | Point72 Asset Management, L.P. | 3% |
| Schedule 13G, 2025-10-03 | Viking Global Investors LP | 5.1% |
| Schedule 13G/A, 2025-10-01 | Oxford Science Enterprises PLC | 7.2% |
| Schedule 13D/A, 2025-09-30 | Ra Capital Management, L.P. | 29.2% |
| Schedule 13G/A, 2025-08-13 | Suvretta Capital Management, LLC | 0.9% |
Questions about who owns PepGen Inc.
Who owns PepGen Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of PepGen Inc.: Ra Capital Management, L.P. (29.2%, Schedule 13D/A, filed 2025-09-30), Oxford Science Enterprises PLC (7.2%, Schedule 13G/A, filed 2025-10-01), Commodore Capital LP (6.5%, Schedule 13G/A, filed 2026-05-15) and Viking Global Investors LP (5.03%, Schedule 13G/A, filed 2026-05-15).
Who are the largest shareholders of PepGen Inc.?
By the share each holder's latest filing reports, the largest holders of PepGen Inc. on this page are Ra Capital Management, L.P. (29.2%), Oxford Science Enterprises PLC (7.2%) and Commodore Capital LP (6.5%).
When did Ra Capital Management, L.P. buy into PepGen Inc.?
The filings give report dates, not purchase dates. The earliest filing from Ra Capital Management, L.P. on this page is the Schedule 13D/A, filed 2025-09-30, reporting 29.2%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 8 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Which insiders own PepGen Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director and 10% owner: 18,554,273 shares (26.8% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2025-09-30).
- RA Capital Nexus Fund II, L.P., a director: 18,554,273 shares (26.8% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2025-09-30).
- RA Capital, a director and 10% owner: 18,554,273 shares (26.8% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2025-09-30).
- RA Capital Healthcare Fund LP, a director and 10% owner: 18,554,273 shares (26.8% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2025-09-30).
- , a director and 10% owner: 18,554,273 shares (26.8% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2025-09-30).
Shares outstanding: 69,259,517 as of 2026-08-02, from the company's latest SEC cover page.
How much has PepGen Inc. raised?
No fundraising or offering filing from PepGen Inc. is on file with us.
Keep reading
More on PepGen Inc. and the records around it.
PepGen Inc. elsewhere on the record
- 5%+ stake filings May 2026
Companies that share a holder
- Oxford Science Enterprises plc also filed stake reports on 1 other company: Barinthus Biotherapeutics plc. (Sep 2026)
- SUVRETTA CAPITAL MANAGEMENT, LLC also filed stake reports on 22 other companies: Veradermics, Inc (Aug 2026), Abeona Therapeutics Inc. (Aug 2026), Fulcrum Therapeutics, Inc. (Aug 2026)
- VIKING GLOBAL INVESTORS LP also filed stake reports on 27 other companies: City Therapeutics, Inc. (Oct 2026), MID AMERICA APARTMENT COMMUNITIES INC. (Oct 2026), REGAL REXNORD CORP (Sep 2026)
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