PepGen PEPG Institutional Ownership

NASDAQ PEPG

$2.72 -0.15 (-5.23%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

72 Institutions

Increased 28 38.9%

Unchanged 19 26.4%

Reduced 25 34.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

75.17%

▼-5.11 pp QoQ

Shares Held by Institutions

52.06Mn

of 69.26Mn outstanding

▼-6.25% QoQ

Shares Outstanding

69.26Mn

17.20Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-20 vs prior quarter

Net Shares Added (QoQ)

-3.47Mn

distributed since last quarter

Value of Holdings

$149.42Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

PepGen Inc. (NASDAQ:PEPG) had 72 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

These investors held 75.17% of PepGen's outstanding shares at the end of Q2 2026, down from 80.29% in Q1 2026.
Total shares held in PepGen fell 6.25% from Q1 2026, while the number of holders rose 44.00% from Q2 2025.
Of the 72 holders, 28 added to their positions, 25 reduced their stakes and 19 left their positions unchanged in Q2 2026.
Combined, institutional investors held 52.06Mn shares of PEPG as of Q2 2026, down 3.47Mn from the prior quarter and up 28.9Mn from a year earlier.
Ra Capital Management, L.P. held the largest position in PEPG at 20.06Mn shares as of June 30, 2026, or 28.97% of shares outstanding.
Among existing holders, the largest additions to PepGen in Q2 2026 came from Renaissance Technologies LLC (+1.46Mn shares), ADAR1 Capital Management, LLC (+983.45K shares), GSA Capital Partners LLP (+814.57K shares), Marshall Wace, LLP (+568.42K shares) and Citadel Advisors LLC (+450.46K shares).
The largest position reductions in PEPG for Q2 2026 were by AWM Investment Company, Inc. (-1.23Mn shares), Morgan Stanley (-950.14K shares), Qube Research & Technologies Ltd (-607.89K shares), Susquehanna International Group, LLP (-366.75K shares) and Millennium Management LLC (-292.38K shares).
Per Business Quant, the top 10 investors in PEPG for the quarter ended June 30, 2026 were Ra Capital Management, L.P. (20.06Mn shares), Commodore Capital LP (4.47Mn shares), Viking Global Investors LP (3.48Mn shares), Laurion Capital Management LP (2.75Mn shares), ADAR1 Capital Management, LLC (2.59Mn shares), Vivo Capital, LLC (2.33Mn shares), Vanguard Capital Management LLC (1.94Mn shares), Millennium Management LLC (1.79Mn shares), Renaissance Technologies LLC (1.52Mn shares) and BlackRock, Inc. (1.3Mn shares).

Form 13F Holdings

72 Institutional Holders

Report period 30 Jun, 2026

Total shares held 52.06Mn

Of outstanding 75.17%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	RA CAPITAL MANAGEMENT, L.P.	0001346824	20,064,545	28.97%	0	0.00%	$36.12Mn
2	Commodore Capital LP	0001831942	4,475,000	6.46%	0	0.00%	$8.06Mn
3	VIKING GLOBAL INVESTORS LP	0001103804	3,482,434	5.03%	0	0.00%	$6.27Mn
4	Laurion Capital Management LP	0001390202	2,750,855	3.97%	0	0.00%	$4.95Mn
5	ADAR1 Capital Management, LLC	0001940272	2,591,085	3.74%	▲983,447	+61.17%	$4.66Mn
6	Vivo Capital, LLC	0001674712	2,325,000	3.36%	0	0.00%	$4.19Mn
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,935,920	2.80%	▼1,779	-0.09%	$3.48Mn
8	MILLENNIUM MANAGEMENT LLC	0001273087	1,786,765	2.58%	▼292,378	-14.06%	$3.22Mn
9	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,520,246	2.19%	▲1,463,446	+2,576.49%	$2.74Mn
10	BlackRock, Inc.	0002012383	1,304,262	1.88%	▲26,478	+2.07%	$2.35Mn
11	MARSHALL WACE, LLP	0001318757	866,992	1.25%	▲568,424	+190.38%	$1.56Mn
12	GSA CAPITAL PARTNERS LLP	0001362033	852,852	1.23%	▲814,566	+2,127.58%	$1.54K
13	CITADEL ADVISORS LLC	0001423053	658,381	0.95%	▲450,459	+216.65%	$1.19Mn
14	AWM Investment Company, Inc.	0001535264	600,000	0.87%	▼1,230,925	-67.23%	$1.08Mn
15	MONIMUS CAPITAL MANAGEMENT, LP	0001848831	587,688	0.85%	▼10,975	-1.83%	$1.06Mn
16	Squarepoint Ops LLC	0001642575	529,083	0.76%	▲382,487	+260.91%	$952.35K
17	GEODE CAPITAL MANAGEMENT, LLC	0001214717	523,473	0.76%	▼12,526	-2.34%	$942.81K
18	Creek Drive Management Group LLC	0002111824	450,000	0.65%	0	0.00%	$810.00K
19	Ikarian Capital, LLC	0001778253	447,165	0.65%	0	0.00%	$804.90K
20	DIADEMA PARTNERS LP	0002026172	373,284	0.54%	▲222,359	+147.33%	$671.91K

Showing 1 to 20 of 72 holders