| 3.5M |
| $6.3M |
| 0.0% |
| 5.035% |
| 0.02% |
| 4 | Laurion Capital Management LP | 2.8M | $5.0M | 0.0% | 3.977% | 0.13% |
| 5 | ADAR1 Capital Management, LLC | 2.6M | $4.7M | +61.2% | 3.746% | 0.21% |
| 6 | Vivo Capital, LLC | 2.3M | $4.2M | 0.0% | 3.361% | 0.38% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $3.5M | -0.1% | 2.799% | 0.00% |
| 8 | MILLENNIUM MANAGEMENT LLC | 1.8M | $3.2M | -14.1% | 2.583% | 0.00% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 1.5M | $2.7M | +2576.5% | 2.198% | 0.00% |
| 10 | BlackRock, Inc. | 1.3M | $2.3M | +2.1% | 1.886% | 0.00% |
| 11 | MARSHALL WACE, LLP | 867K | $1.6M | +190.4% | 1.253% | 0.00% |
| 12 | CITADEL ADVISORS LLC | 671K | $1.2M | +84.6% | 0.971% | 0.00% |
| 13 | AWM Investment Company, Inc. | 600K | $1.1M | -67.2% | 0.867% | 0.09% |
| 14 | MONIMUS CAPITAL MANAGEMENT, LP | 588K | $1.1M | -1.8% | 0.850% | 0.24% |
| 15 | Squarepoint Ops LLC | 529K | $952K | +260.9% | 0.765% | 0.00% |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 523K | $943K | -2.3% | 0.757% | 0.00% |
| 17 | Creek Drive Management Group LLC | 450K | $810K | 0.0% | 0.651% | 0.39% |
| 18 | Ikarian Capital, LLC | 447K | $805K | -40.2% | 0.647% | 0.09% |
| 19 | DIADEMA PARTNERS LP | 373K | $672K | +147.3% | 0.540% | 0.08% |
| 20 | BOOTHBAY FUND MANAGEMENT, LLC | 366K | $659K | -14.4% | 0.529% | 0.01% |
| 21 | Rosalind Advisors, Inc. | 350K | $630K | — | 0.506% | 0.23% |
| 22 | DRIEHAUS CAPITAL MANAGEMENT LLC | 280K | $504K | 0.0% | 0.405% | 0.00% |
| 23 | Boxer Capital Management, LLC | 273K | $491K | 0.0% | 0.394% | 0.04% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 261K | $471K | +0.7% | 0.378% | 0.00% |
| 25 | XTX Topco Ltd | 245K | $442K | +87.1% | 0.355% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PEPG — a direct measure of their conviction.
Institutions that fully closed their PEPG position in Q2 2026
| 36.50% |
| +0.37 pp |
| $35M |
| 62% |
| Q4 2024 | 60 | 4.8% | 36.13% | 0.50 pp | $95M | 56% |
| Q3 2024 | 63 | — | 36.63% | — | $216M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
6 institutions opened new positions in PEPG during Q2 2026, while 29 fully exited. 38 added to existing positions and 26 trimmed.
PEPG institutional ownership fell by 7.07 percentage points quarter-over-quarter, with a net change of -24 holders.
The top 10 institutions account for 82.4% of all reported 13F value in PEPG, and the top 25 account for 95.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
PepGen Inc. (PEPG) Institutional Ownership