13F

Stock

PepGen Inc.

PEPG · held by 88 managers

Reported value

$373.1M

Holders

88

+2 new · −1 exited

Holders’ est. mark

$1.57M

Price effect on 4 books still in the name

Largest holder

$130.6M

RA CAPITAL MANAGEMENT, L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
RA CAPITAL MANAGEMENT, L.P.20.1M$130.6MHeld
Viking Global3.48M$22.7MHeld
Commodore Capital LP3.4M$22.1MHeld
Vivo Capital, LLC2.33M$15.1MHeld
Point72 Asset Management, L.P.2.27M$14.8MHeld
Vanguard2.21M$14.4MHeld
Laurion Capital Management LP2.05M$13.4MHeld
BVF INC/IL1.92M$12.5MHeld
Nantahala Capital Management, LLC1.55M$10.1MHeld
JANUS HENDERSON GROUP PLC1.5M$9.79MHeld
Pictet Asset Management Holding SA1.35M$8.8MHeld
Woodline Partners LP1.31M$8.53MHeld
AWM Investment Company, Inc.1.3M$8.46MHeld
BlackRock, Inc.1.23M$8.04MHeld
MORGAN STANLEY1.08M$7.06M$1.09MAdded$4.4M
Balyasny Asset Management L.P.866.3K$5.64MHeld
PERCEPTIVE ADVISORS LLC829.9K$5.4MHeld
Octagon Capital Advisors LP700K$4.56MHeld
Siren, L.L.C.700K$4.56MHeld
GEODE CAPITAL MANAGEMENT, LLC542.1K$3.53MHeld
Ikarian Capital, LLC447.2K$2.91MHeld
BOOTHBAY FUND MANAGEMENT, LLC418K$2.72MHeld
Boxer Capital Management, LLC373.9K$2.43M$472.5KAdded$1.28M
BANK OF AMERICA CORP /DE/351.1K$2.29M$5.08KAdded$2.27M
Driehaus Capital Management LLC315K$2.05MHeld
MARSHALL WACE, LLP290.6K$1.89MHeld
Citadel267.8K$1.74MHeld
TWO SIGMA INVESTMENTS, LP267.4K$1.74MHeld
Walleye Capital LLC256K$1.67MHeld
GOLDMAN SACHS GROUP INC241.6K$1.57MHeld
State Street217.5K$1.42MHeld
Artia Global Partners LP205.3K$1.34MHeld
MILLENNIUM MANAGEMENT LLC197.9K$1.29MHeld
JANE STREET GROUP, LLC192.7K$1.25MHeld
683 Capital Management, LLC186.9K$1.22MHeld
Polymer Capital Management (HK) LTD160K$1.04MHeld
Renaissance Technologies147.9K$962.8KHeld
MONIMUS CAPITAL MANAGEMENT, LP138.4K$901KHeld
DIMENSIONAL FUND ADVISORS LP135.2K$880.1KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP125.5K$817KHeld
SPHERA FUNDS MANAGEMENT LTD.121.5K$790.8KHeld
ExodusPoint Capital Management, LP120.7K$785.9KHeld
NORTHERN TRUST CORP118.3K$769.9KHeld
READYSTATE ASSET MANAGEMENT LP113.5K$738.9KHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.100K$651KHeld
XTX Topco Ltd98K$638.2KHeld
RBF Capital, LLC95K$618.7KHeld
BNP PARIBAS FINANCIAL MARKETS89.6K$583.1KHeld
Connor, Clark & Lunn Investment Management Ltd.73.3K$477.2KHeld
Hudson Bay Capital Management LP69.4K$451.7KNew
BRIDGEWAY CAPITAL MANAGEMENT, LLC63K$410.1KHeld
BARCLAYS PLC55.7K$362.7K$2.18KAdded$357.4K
Jump Financial, LLC55.4K$360.9KHeld
Resolute Capital Asset Partners LLC50K$325.5KHeld
SIMPLEX TRADING, LLC43.2K$281.2KHeld
ADAR1 Capital Management, LLC36.8K$239.8KHeld
Rangeley Capital, LLC36.2K$235.7KHeld
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.36.1K$235.2KHeld
Rathbones Group PLC32K$208.3KHeld
CITIGROUP INC31.3K$204KHeld
Qube Research & Technologies Ltd31.2K$203.3KHeld
Squarepoint Ops LLC31.2K$203.2KHeld
OMERS ADMINISTRATION Corp27.6K$179.7KHeld
Trexquant Investment LP24.3K$158.2KHeld
TWO SIGMA ADVISERS, LP20.8K$135.4KHeld
AMERICAN CENTURY COMPANIES INC15.8K$102.5KHeld
Lighthouse Investment Partners, LLC14.6K$94.9KHeld
Jefferies Financial Group Inc.13.7K$89.4KHeld
China Universal Asset Management Co., Ltd.11.2K$72.9KHeld
BANK OF MONTREAL /CAN/10K$65.1KHeld
Tower Research Capital LLC (TRC)9.49K$61.8KHeld
UBS Group AG8.07K$52.5KHeld
JPMORGAN CHASE & CO5.24K$34.1KHeld
Mirae Asset Global Investments Co., Ltd.3.34K$21.8KHeld
Fidelity1.66K$10.8KHeld
GF FUND MANAGEMENT CO. LTD.1.35K$8.79KHeld
ROYAL BANK OF CANADA383$2KHeld
NISA INVESTMENT ADVISORS, LLC195$1.27KHeld
Parallel Advisors, LLC135$879Held
Cornerstone Financial Management LLC121$788Held
OPTIMA CAPITAL LLC108$703Held
GSA CAPITAL PARTNERS LLP43.4K$283Held
Allworth Financial LP28$183New
ACADIAN ASSET MANAGEMENT LLC20.8K$134Held
Larson Financial Group LLC13$85Held
OSAIC HOLDINGS, INC.8$52Held
NOMURA ASSET MANAGEMENT CO LTD0$0Held
CWM, LLC5$0Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.