13F

Stock

PepGen Inc.

PEPG · held by 94 managers

Reported value

$98.6M

Holders

94

+24 new · −20 exited

Holders’ est. mark

−$205.4M

Price effect on 66 books still in the name

Largest holder

$35.5M

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$35.5M−$95.1MCut−$95.1M
Commodore Capital LP4.47M$7.92M−$16.1MCut−$14.2M
Viking Global3.48M$6.16M−$16.5MCut−$16.5M
Laurion Capital Management LP2.75M$4.87M−$9.73MCut−$8.49M
Vivo Capital, LLC2.33M$4.12M−$11MCut−$11M
MILLENNIUM MANAGEMENT LLC2.08M$3.68M−$938.2KAdded$2.39M
VANGUARD CAPITAL MANAGEMENT LLC1.94M$3.43MHeld
AWM Investment Company, Inc.1.83M$3.24M−$6.16MCut−$5.22M
ADAR1 Capital Management, LLC1.61M$2.85M−$174.6KAdded$2.61M
Woodline Partners LP1.31M$2.32M−$6.21MCut−$6.21M
Pictet Asset Management Holding SA1.31M$2.31M−$6.19MCut−$6.49M
BlackRock, Inc.1.28M$2.26M−$5.85MCut−$5.77M
Kalehua Capital Management LLC1M$1.77MNew
MORGAN STANLEY999K$1.77M−$4.74MCut−$5.29M
Qube Research & Technologies Ltd706.5K$1.25M−$148KAdded$1.05M
Nantahala Capital Management, LLC681.2K$1.21M−$3.23MCut−$8.87M
MONIMUS CAPITAL MANAGEMENT, LP598.7K$1.06M−$656KAdded$158.7K
GEODE CAPITAL MANAGEMENT, LLC536K$949.2K−$2.54MCut−$2.58M
Creek Drive Management Group LLC450K$796.5KNew
Ikarian Capital, LLC447.2K$791.5K−$2.12MCut−$2.12M
SUSQUEHANNA INTERNATIONAL GROUP, LLP442.2K$782.6K−$594.9KCut−$34.4K
BOOTHBAY FUND MANAGEMENT, LLC351.4K$621.9K−$1.67MCut−$2.1M
MARSHALL WACE, LLP298.6K$528.5K−$1.38MCut−$1.36M
Driehaus Capital Management LLC279.9K$495.4K−$1.33MCut−$1.56M
Boxer Capital Management, LLC272.9K$483K−$1.29MCut−$1.95M
VANGUARD FIDUCIARY TRUST CO259.7K$459.7KHeld
State Street229.4K$406K−$1.03MCut−$1.01M
DIMENSIONAL FUND ADVISORS LP216.8K$394.1K−$634.4KCut−$486K
Citadel207.9K$368K−$985.5KCut−$1.38M
Artia Global Partners LP205.3K$363.4K−$973.2KCut−$973.2K
JANE STREET GROUP, LLC197.4K$349.4K−$913.6KCut−$905.3K
TWO SIGMA INVESTMENTS, LP181.7K$321.6K−$861.3KCut−$1.42M
Quadrature Capital Ltd158.8K$281.1KNew
DIADEMA PARTNERS LP150.9K$267.1KNew
LUMINUS MANAGEMENT LLC150K$265.5KNew
Squarepoint Ops LLC146.6K$259.5K−$147.9KAdded$56.3K
GOLDMAN SACHS GROUP INC138.7K$245.4K−$657.2KCut−$1.33M
XTX Topco Ltd131.2K$232.1K−$464.7KCut−$406.1K
WELLINGTON MANAGEMENT GROUP LLP122K$215.9KNew
READYSTATE ASSET MANAGEMENT LP115.1K$203.8K−$538KCut−$535.1K
NORTHERN TRUST CORP104.9K$185.7K−$497.2KCut−$584.2K
RBF Capital, LLC95K$168.2K−$450.5KCut−$450.5K
UBS Group AG94K$166.4K−$38.2KAdded$113.9K
ExodusPoint Capital Management, LP79.6K$140.9K−$377.2KCut−$645.1K
Hudson Bay Capital Management LP69.6K$123.2K−$328.9KCut−$328.6K
Connor, Clark & Lunn Investment Management Ltd.69.1K$122.3K−$327.6KCut−$354.9K
Rangeley Capital, LLC68.1K$120.5K−$171.6KCut−$115.1K
Brevan Howard Capital Management LP66.4K$117.5KNew
Point72 Asset Management, L.P.66K$116.8K−$312.7KCut−$14.7M
BNP PARIBAS FINANCIAL MARKETS63.7K$112.8K−$302.1KCut−$470.3K
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.61.1K$108.1K−$171.2KCut−$127.1K
Seven Fleet Capital Management LP59.5K$105.3KNew
Renaissance Technologies56.8K$100.5K−$269.2KCut−$862.3K
Verdad Advisers, LP54.4K$96.3KNew
BANK OF AMERICA CORP /DE/53.3K$94.4K−$252.7KCut−$2.19M
BARCLAYS PLC45.1K$79.9K−$213.9KCut−$282.8K
BRIDGEWAY CAPITAL MANAGEMENT, LLC43.7K$77.3K−$207.1KCut−$332.8K
GROUP ONE TRADING LLC43.5K$77.1KNew
AMERICAN CENTURY COMPANIES INC42.6K$75.4K−$74.7KCut−$27.1K
Scientech Research LLC42.1K$74.5KNew
Persistent Asset Partners Ltd38.2K$67.5KNew
Rathbones Group PLC32K$56.6K−$151.7KCut−$151.7K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC27K$47.8KNew
OMERS ADMINISTRATION Corp24.9K$44.1K−$118KCut−$135.6K
MANGROVE PARTNERS IM, LLC19.8K$35KNew
Vanguard Global Advisers, LLC17.7K$31.4KHeld
Schonfeld Strategic Advisors LLC17.4K$30.8KNew
Catalyst Funds Management Pty Ltd15.3K$27.1KNew
Diametric Capital, LP15.2K$26.9KNew
Balyasny Asset Management L.P.14.3K$25.3K−$67.7KCut−$5.61M
JPMORGAN CHASE & CO5.18K$21.9K−$11.8KCut−$12.2K
China Universal Asset Management Co., Ltd.12.2K$21.6K−$53.1KCut−$51.3K
Jefferies Financial Group Inc.10.3K$18.2K−$48.8KCut−$71.2K
PRELUDE CAPITAL MANAGEMENT, LLC10.2K$18KNew
Tower Research Capital LLC (TRC)5.54K$9.81K−$26.3KCut−$52K
Mirae Asset Global Investments Co., Ltd.3.59K$6.35K−$15.8KCut−$15.4K
CITIGROUP INC2.51K$4.44K−$11.9KCut−$199.6K
Zurcher Kantonalbank (Zurich Cantonalbank)2.01K$3.55KNew
Fidelity1.66K$2.94K−$7.89KCut−$7.89K
GF FUND MANAGEMENT CO. LTD.1.53K$2.71K−$6.4KCut−$6.08K
ROYAL BANK OF CANADA982$2K−$1.22KHeld
JONES FINANCIAL COMPANIES LLLP326$1.47KNew
Accent Capital Management, LLC718$1.27KNew
NISA INVESTMENT ADVISORS, LLC195$345−$924Cut−$924
Parallel Advisors, LLC135$239−$640Cut−$640
Cornerstone Financial Management LLC121$214−$574Cut−$574
Fortitude Family Office, LLC112$198New
Bare Financial Services, Inc102$181New
Allworth Financial LP68$121−$133Cut−$62
ACADIAN ASSET MANAGEMENT LLC64.6K$112−$98Cut−$22
GSA CAPITAL PARTNERS LLP38.3K$68−$181Cut−$215
Virtu Financial LLC19K$34New
CWM, LLC5$9$9Added$9
NOMURA ASSET MANAGEMENT CO LTD0$0Held

Who left

Positions as of Q1 2026. 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.