13F

Stock

Similarweb Ltd.

SMWB · held by 82 managers

Reported value

$142.8M

Holders

82

+18 new · −36 exited

Holders’ est. mark

−$212.2M

Price effect on 63 books still in the name

Largest holder

$29.2M

NASPERS LTD

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
NASPERS LTD11.2M$29.2M−$54.5MCut−$54.5M
Viola Ventures V.C. Management 4 Ltd.10.8M$28.2M−$52.8MCut−$52.8M
MENORA MIVTACHIM HOLDINGS LTD.4.02M$10.5M−$19.6MCut−$19.6M
Y.D. More Investments Ltd1.15M$8.34M$110KCut−$33K
ION Crossover Partners Ltd3.03M$7.91M−$14.8MCut−$14.8M
Ulysses Management LLC3M$7.83M−$14.6MCut−$14.6M
WELLINGTON MANAGEMENT GROUP LLP2.97M$7.74M−$14.5MCut−$14.7M
S Squared Technology, LLC1.6M$4.18M−$3.78MCut−$1.63M
CenterBook Partners LP1.33M$3.46M−$4.69MCut−$3.74M
Alpha Family Trust658.9K$2.26M−$2.68MCut−$2.68M
MILLENNIUM MANAGEMENT LLC825.8K$2.16M−$1.75MCut−$524.7K
MIRABELLA FINANCIAL SERVICES LLP792.7K$2.07MNew
Renaissance Technologies739.7K$1.93M−$1.76MCut−$776.9K
HERALD INVESTMENT MANAGEMENT Ltd645.5K$1.68M−$3.18MCut−$3.18M
CDC Financial, Inc.639K$1.67M−$691.6KAdded$606.3K
MARSHALL WACE, LLP638.2K$1.67M−$1.43MCut−$525K
Sphera Management Technology Funds Ltd615K$1.61M−$2.34MCut−$1.99M
MORGAN STANLEY591.9K$1.54M−$1.25MCut−$377.6K
Connor, Clark & Lunn Investment Management Ltd.533.6K$1.39M−$2.6MCut−$4.59M
P.A.W. CAPITAL CORP500K$1.3M−$1.17MCut−$492.6K
Citadel476K$1.24M−$976.6KCut−$256.5K
Qube Research & Technologies Ltd416.1K$1.09M−$80.9KAdded$961.9K
NANO CAP NEW MILLENNIUM GROWTH FUND L P390K$1.02M−$817.4KCut−$236.7K
Penn Capital Management Company, LLC360.4K$940.6K−$1.76MCut−$11M
ARK Investment Management LLC352.1K$918.9K−$1.15MCut−$851.9K
PEAK6 LLC321.2K$838.2K−$5.36KAdded$830K
Schonfeld Strategic Advisors LLC289.2K$754.7KNew
JANE STREET GROUP, LLC231.3K$603.6K−$908.7KCut−$791.1K
XTX Topco Ltd228.9K$597.4KNew
Militia Capital Management LLC219.3K$572.3KHeld
Phoenix Financial Ltd.216.9K$566.1K−$1.06MCut−$31.5M
LAVELLE CAPITAL LP202.7K$529.1K−$989.3KCut−$989.3K
UBS Group AG198.5K$518.2K−$968.9KCut−$3.5M
Persistent Asset Partners Ltd180K$469.8K−$878.4KCut−$878.4K
JPMORGAN CHASE & CO175.2K$434.5K−$101.4KAdded$282.8K
Jump Financial, LLC147.6K$385.3K−$309KCut−$89K
BlackRock, Inc.127.5K$332.8K−$622.2KCut−$6.98M
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC125.6K$327.9KNew
Palogic Value Management, L.P.114K$297.5K−$329KCut−$207.5K
CITIGROUP INC110.2K$287.6K−$6.51KAdded$277.6K
State Street109.4K$285.5K−$533.9KCut−$2.49M
Point72 Asset Management, L.P.100.2K$261.5K−$435KCut−$406.2K
Quadrature Capital Ltd94.2K$246KNew
OPPENHEIMER & CO INC91.1K$237.7K−$436.2KCut−$431.8K
Voleon Capital Management LP88.7K$231.5KNew
Engineers Gate Manager LP87.4K$228.2K−$306.5KCut−$242.2K
TWO SIGMA INVESTMENTS, LP79.1K$206.4KNew
FEDERATED HERMES, INC.70K$182.7K−$146.4KCut−$42K
BANK OF AMERICA CORP /DE/64K$167K−$54.3KAdded$83.7K
Tidal Investments LLC61.6K$160.8K−$284.5KCut−$275.8K
Centiva Capital, LP60.1K$156.9KNew
D. E. Shaw & Co., Inc.58.6K$152.8K−$138.5KCut−$59.7K
AXQ CAPITAL, LP52.4K$136.8KNew
Pathstone Holdings, LLC50.4K$131.5K−$150.5KCut−$99.4K
Russell Investments Group, Ltd.52K$129K−$260.6KCut−$982.1K
GOLDMAN SACHS GROUP INC42.6K$111.3K−$208.1KCut−$321.9K
Graham Capital Management, L.P.36.6K$95.6KNew
PharVision Advisers, LLC18.9K$49.4K−$92.4KCut−$217.9K
NEW YORK STATE COMMON RETIREMENT FUND18.8K$49K−$91.6KCut−$6.34M
Aquatic Capital Management LLC18K$47KNew
Squarepoint Ops LLC13K$34KNew
LAZARD ASSET MANAGEMENT LLC11.2K$29.3K−$54.8KCut−$73.6K
BARCLAYS PLC10.6K$27.7K−$3.31KAdded$22.6K
Cresset Asset Management, LLC10.1K$26.5KNew
MEITAV INVESTMENT HOUSE LTD10K$26.1K−$48.8KCut−$48.8K
WELLS FARGO & COMPANY/MN8.2K$21.4K−$3.9KAdded$15.4K
SIMPLEX TRADING, LLC2.9K$7.58K−$14.2KCut−$134.7K
SBI Securities Co., Ltd.1.02K$2.67K−$4.99KCut−$4.99K
BNP PARIBAS FINANCIAL MARKETS890$2.32K−$1.07KAdded$675
ACADIAN ASSET MANAGEMENT LLC405.6K$1.05K−$767Cut−$127
ROYAL BANK OF CANADA200$1K−$172Cut−$2K
OSAIC HOLDINGS, INC.300$783−$1.46KCut−$2.09K
Caitong International Asset Management Co., Ltd242$632−$88Added$497
GSA CAPITAL PARTNERS LLP152.1K$397New
JONES FINANCIAL COMPANIES LLLP100$252−$497Cut−$497
ASSETMARK, INC48$125New
Smartleaf Asset Management LLC29$72−$144Cut−$278
HRT FINANCIAL LP22.7K$59−$111Cut−$378
Virtu Financial LLC20.1K$52New
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO12$31New
Fidelity6$16−$29Cut−$29
Covestor 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.