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

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.