Who owns PepGen Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of PEPG from SEC Form 13F filings across 72 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 72 institutions disclosed 52.1M shares of PepGen Inc. worth $92.2M — about 75.2% of shares outstanding; the largest disclosed holder is RA CAPITAL MANAGEMENT, L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.
72
13F holders
$92.2M
value, 2026 filers
75.2%
of shares outstanding (52.1M sh)
8
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of PEPG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | 20.1M | $36.1M | 0.3% | 29% | 0.0% |
| 2 | Commodore Capital LP | 4.5M | $8.1M | 0.5% | 6.5% | 0.0% |
| 3 | VIKING GLOBAL INVESTORS LP | 3.5M | $6.3M | 0.0% | 5% | 0.0% |
| 4 | Laurion Capital Management LP | 2.8M | $5.0M | 0.1% | 4% | 0.0% |
| 5 | ADAR1 Capital Management, LLC | 2.6M | $4.7M | 0.2% | 3.7% | +61.2% |
| 6 | Vivo Capital, LLC | 2.3M | $4.2M | 0.4% | 3.4% | 0.0% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $3.5M | 0.0% | 2.8% | -0.1% |
| 8 | MILLENNIUM MANAGEMENT LLC | 1.8M | $3.2M | 0.0% | 2.6% | -14.1% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 1.5M | $2.7M | 0.0% | 2.2% | +2576.5% |
| 10 | BlackRock, Inc. | 1.3M | $2.3M | 0.0% | 1.9% | +2.1% |
| 11 | MARSHALL WACE, LLP | 866,992 | $1.6M | 0.0% | 1.3% | +190.4% |
| 12 | GSA CAPITAL PARTNERS LLP | 852,852 | $1,535 | 0.1% | 1.2% | +2127.6% |
| 13 | CITADEL ADVISORS LLC | 658,381 | $1.2M | 0.0% | 1% | +216.6% |
| 14 | AWM Investment Company, Inc. | 600,000 | $1.1M | 0.1% | 0.9% | -67.2% |
| 15 | MONIMUS CAPITAL MANAGEMENT, LP | 587,688 | $1.1M | 0.2% | 0.8% | -1.8% |
| 16 | Squarepoint Ops LLC | 529,083 | $952,349 | 0.0% | 0.8% | +260.9% |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 523,473 | $942,806 | 0.0% | 0.8% | -2.3% |
| 18 | Creek Drive Management Group LLC | 450,000 | $810,000 | 0.4% | 0.7% | 0.0% |
| 19 | Ikarian Capital, LLC | 447,165 | $804,897 | 0.1% | 0.6% | 0.0% |
| 20 | DIADEMA PARTNERS LP | 373,284 | $671,911 | 0.1% | 0.5% | +147.3% |
| 21 | BOOTHBAY FUND MANAGEMENT, LLC | 366,141 | $659,054 | 0.0% | 0.5% | +4.2% |
| 22 | Rosalind Advisors, Inc.NEW | 350,000 | $630,000 | 0.2% | 0.5% | new |
| 23 | Driehaus Capital Management LLC | 279,909 | $503,836 | 0.0% | 0.4% | 0.0% |
| 24 | Boxer Capital Management, LLC | 272,892 | $491,206 | 0.0% | 0.4% | 0.0% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 261,476 | $470,657 | 0.0% | 0.4% | +0.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.