PepGen PEPG Institutional Ownership

PepGen Inc. (NASDAQ:PEPG) has 72 institutional investors with active 13F positions as of June 2026.

• These investors collectively held 75.2% of PepGen's outstanding shares in June 2026, down from 80.5% in March 2026.
• Their total shares held in PEPG increased 2.65% from the prior quarter, while the number of investors in PepGen increased 41.18% year over year.
• During the quarter, 28 of these 72 funds increased positions in PEPG, 26 reduced exposure, and 18 held steady.
• The aggregate institutional position in PepGen amounted to 52.06Mn shares as of June 2026, up by 1.34Mn shares quarter on quarter, and up 28.65Mn shares year over year.
• As of June 30, 2026, RA CAPITAL MANAGEMENT, L.P. held the largest stake in PepGen with 20.06Mn shares, accounting for 28.99% of total shares outstanding.
• The biggest buyers of PepGen for the quarter ending June 2026 included RENAISSANCE TECHNOLOGIES LLC (1.46Mn), ADAR1 Capital Management, LLC (983.45K), GSA CAPITAL PARTNERS LLP (814.57K), MARSHALL WACE, LLP (568.42K), CITADEL ADVISORS LLC (450.46K).
• The largest sellers of PepGen for the quarter ending June 2026 were AWM Investment Company, Inc. (1.23Mn), Morgan Stanley (950.14K), Qube Research & Technologies Ltd (607.89K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (366.75K), MILLENNIUM MANAGEMENT LLC (292.38K).
• PepGen's 10 largest shareholders as of June 2026 include RA CAPITAL MANAGEMENT, L.P. (20.06Mn), Commodore Capital LP (4.47Mn), VIKING GLOBAL INVESTORS LP (3.48Mn), Laurion Capital Management LP (2.75Mn), ADAR1 Capital Management, LLC (2.59Mn), Vivo Capital, LLC (2.32Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.94Mn), MILLENNIUM MANAGEMENT LLC (1.79Mn), RENAISSANCE TECHNOLOGIES LLC (1.52Mn), BlackRock, Inc. (1.3Mn) per Business Quant data.