PepGen Inc. (PEPG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

34,665,385Shares Outstanding

33,274,910Shares held by institutions

$225,936,639Value of institutional holdings

164.46%Institutional ownership %

11.95%Shares Changed QoQ

87No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 87 institutional investors hold a position in PepGen Inc. (NASDAQ:PEPG).

The percentage of PepGen owned by institutions changed from 166.8% in September 2025 to 164.5% in December 2025, marking a slight down trend.
On a quarter-over-quarter basis, institutional holdings shifted by 11.95%, with a year-over-year an increase of 40.32% in the count of filers.
A review of institutional activity for PepGen shows 56 of 87 filers increasing their positions, while 16 reduced their stake, and 15 remained unchanged.
The total number of shares held by institutions in PepGen increased to 57.01Mn as of December 2025, a net change of up by 6.09Mn shares quarter on quarter, and up 32.01Mn shares year over year.
As of December 31, 2025, RA CAPITAL MANAGEMENT, L.P. held PepGen's largest shareholding position with over 20.06Mn shares, representing 57.88% of total outstanding shares.
Among the most significant buyers of PepGen during December 2025 were Nantahala Capital Management, LLC (1.55Mn), Commodore Capital LP (1.04Mn), Pictet Asset Management Holding SA (871.06K), BlackRock, Inc. (784.29K), MORGAN STANLEY (509.24K).
Leading sellers of PepGen stock in December 2025 included ADAGE CAPITAL PARTNERS GP, L.L.C. (1.35Mn), JANE STREET GROUP, LLC (899.67K), BALYASNY ASSET MANAGEMENT L.P. (467.31K), MILLENNIUM MANAGEMENT LLC (302.32K), UBS Group AG (234.38K).
The top 10 institutional holders of PepGen for the quarter ending December 2025 included RA CAPITAL MANAGEMENT, L.P. (20.06Mn), VIKING GLOBAL INVESTORS LP (3.48Mn), Commodore Capital LP (3.40Mn), Vivo Capital, LLC (2.33Mn), Point72 Asset Management, L.P. (2.27Mn), VANGUARD GROUP INC (2.21Mn), Laurion Capital Management LP (2.05Mn), BVF INC/IL (1.92Mn), Nantahala Capital Management, LLC (1.55Mn), JANUS HENDERSON GROUP PLC (1.50Mn).

87 Institutional Holders

33,274,910 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
RA CAPITAL MANAGEMENT, L.P.	31 Dec, 2025	20,064,545	0	0.00%	$130,620,188.00
VIKING GLOBAL INVESTORS LP	31 Dec, 2025	3,482,434	0	0.00%	$22,670,645.00
Commodore Capital LP	31 Dec, 2025	3,400,000	1,042,681	44.23%	$22,134,000.00
Vivo Capital, LLC	31 Dec, 2025	2,325,000	0	0.00%	$15,135,750.00
Point72 Asset Management, L.P.	31 Dec, 2025	2,274,416	244,416	12.04%	$14,806,448.00
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
BVF INC/IL	31 Dec, 2025	1,915,000	0	0.00%	$12,466,650.00
Nantahala Capital Management, LLC	31 Dec, 2025	1,547,229	1,547,229	0.00%	$10,072,461.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	1,500,000	0	0.00%	$9,795,000.00
Pictet Asset Management Holding SA	31 Dec, 2025	1,352,424	871,059	180.96%	$8,804,280.00
Woodline Partners LP	31 Dec, 2025	1,311,021	0	0.00%	$8,534,747.00
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
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	866,269	-467,314	-35.04%	$5,639,411.00
PERCEPTIVE ADVISORS LLC	31 Dec, 2025	829,870	0	0.00%	$5,402,454.00
Siren, L.L.C.	31 Dec, 2025	700,000	0	0.00%	$4,557,000.00
Octagon Capital Advisors LP	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

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