PepGen Inc. (PEPG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

33,176,241Shares Outstanding

3,057,198Shares held by institutions

$19,688,355Value of institutional holdings

50.08%Institutional ownership %

47.97%Shares Changed QoQ

46No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, PepGen Inc. (NASDAQ:PEPG) is held by 46 institutional firms.

PepGen saw its institutional ownership percentage fell to 50.1% in December 2025 from 174.3% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 47.97%, with a year-over-year a decrease of 25.81% in the count of filers.
A review of institutional activity for PepGen shows 35 of 46 filers increasing their positions, while 6 reduced their stake, and 5 remained unchanged.
This class of investors increased its holdings in PepGen to 16.62Mn shares for the 13F-cycle ending December 2025, up by 5.39Mn shares quarter on quarter, and down 8.38Mn shares year over year.
With 2.33Mn shares, Vivo Capital, LLC commands the largest institutional position in PepGen as of December 31, 2025, equating to 7.01% of the company.
Among the most significant buyers of PepGen during December 2025 were Nantahala Capital Management, LLC (1.55Mn), Pictet Asset Management Holding SA (871.06K), BlackRock, Inc. (784.29K), MORGAN STANLEY (509.24K), VANGUARD GROUP INC (444.48K).
Leading sellers of PepGen stock in December 2025 included JANE STREET GROUP, LLC (899.67K), UBS Group AG (234.38K), ACADIAN ASSET MANAGEMENT LLC (129.35K), BANK OF MONTREAL /CAN/ (10.00K), GSA CAPITAL PARTNERS LLP (2.72K).
The top 10 institutional holders of PepGen for the quarter ending December 2025 included Vivo Capital, LLC (2.33Mn), VANGUARD GROUP INC (2.21Mn), Laurion Capital Management LP (2.05Mn), Nantahala Capital Management, LLC (1.55Mn), Pictet Asset Management Holding SA (1.35Mn), AWM Investment Company, Inc. (1.30Mn), BlackRock, Inc. (1.23Mn), MORGAN STANLEY (1.08Mn), Siren, L.L.C. (700.00K), GEODE CAPITAL MANAGEMENT, LLC (542.11K).

46 Institutional Holders

3,057,198 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Vivo Capital, LLC	31 Dec, 2025	2,325,000	0	0.00%	$15,135,750.00
VANGUARD GROUP INC	31 Dec, 2025	2,212,834	444,478	25.14%	$14,405,549.00
Laurion Capital Management LP	31 Dec, 2025	2,052,133	159,977	8.45%	$13,359,386.00
Nantahala Capital Management, LLC	31 Dec, 2025	1,547,229	1,547,229	0.00%	$10,072,461.00
Pictet Asset Management Holding SA	31 Dec, 2025	1,352,424	871,059	180.96%	$8,804,280.00
AWM Investment Company, Inc.	31 Dec, 2025	1,300,000	275,000	26.83%	$8,463,000.00
BlackRock, Inc.	31 Dec, 2025	1,234,414	784,288	174.24%	$8,036,036.00
MORGAN STANLEY	31 Dec, 2025	1,084,400	509,244	88.54%	$7,059,443.00
Siren, L.L.C.	31 Dec, 2025	700,000	0	0.00%	$4,557,000.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	542,109	341,378	170.07%	$3,530,916.00
MARSHALL WACE, LLP	31 Dec, 2025	290,589	290,589	0.00%	$1,891,735.00
Walleye Capital LLC	31 Dec, 2025	255,974	255,974	0.00%	$1,666,391.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	241,618	241,618	0.00%	$1,572,933.00
STATE STREET CORP	31 Dec, 2025	217,490	151,700	230.58%	$1,415,860.00
JANE STREET GROUP, LLC	31 Dec, 2025	192,733	-899,667	-82.36%	$1,254,692.00
Polymer Capital Management (HK) LTD	31 Dec, 2025	160,000	160,000	0.00%	$1,041,600.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	147,900	72,200	95.38%	$962,829.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	135,216	102,210	309.67%	$880,127.00
BNP PARIBAS FINANCIAL MARKETS	31 Dec, 2025	89,575	88,179	6,316.55%	$583,133.00
Connor, Clark & Lunn Investment Management Ltd.	31 Dec, 2025	73,306	35,225	92.50%	$477,222.00

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