SEC 13F Intelligence

SIMILARWEB LTD

CUSIP M84137104

Similarweb Ltd has 81 institutional holders in Filings Flow’s 13F database, together reporting 41.91M shares worth $116M as of Q1 2026. The largest reported holders are Naspers Ltd, Nuveen, LLC, and Menora Mivtachim Holdings Ltd..

Institutional Holders
81
Q1 2026
Reported Value
$116M
Ticker
unmapped
private placement or foreign
Quarters Tracked
6

Ownership Trend

Institutional holders
Q2 ’21: 41Q2 ’21Q4 ’21: 39Q4 ’21Q4 ’22: 37Q4 ’22Q4 ’25: 97Q4 ’25Q1 ’26: 81Q1 ’26Q2 ’26: 2Q2 ’26filingsflow.com
Total reported value
Q2 ’21: $265MQ2 ’21Q4 ’21: $1.1BQ4 ’21Q4 ’22: $131MQ4 ’22Q4 ’25: $324MQ4 ’25Q1 ’26: $116MQ1 ’26Q2 ’26: $637,362Q2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
NASPERS LTD$253M AUM11.53%$29M11.17MQ1 2026OLDER
SCALAR GAUGE MANAGEMENT, LLC$104M AUM2.09%$4M441.7KQ3 2025OLDER
S SQUARED TECHNOLOGY, LLC$264M AUM1.58%$4M1.60MQ1 2026OLDER
Alpha Family Trust$206M AUM1.10%$2M658.9KQ1 2026OLDER
CDC Financial, Inc.$157M AUM1.06%$2M639.0KQ1 2026OLDER
Ulysses Management LLC$802M AUM0.98%$8M3.00MQ1 2026OLDER
LAVELLE CAPITAL LP$158M AUM0.96%$2M202.7KQ1 2026OLDER
NANO CAP NEW MILLENNIUM GROWTH FUND L P$107M AUM0.95%$1M390.0KQ1 2026OLDER
CEERA INVESTMENTS, LLC$228M AUM0.93%$3M319.0KQ3 2025OLDER
Sphera Management Technology Funds Ltd$178M AUM0.90%$2M615.0KQ1 2026OLDER
ESSEX INVESTMENT MANAGEMENT CO LLC$632M AUM0.54%$4M380.8KQ3 2025OLDER
Y.D. More Investments Ltd$2.6B AUM0.33%$8M1.15MQ1 2026OLDER
HERALD INVESTMENT MANAGEMENT Ltd$718M AUM0.23%$2M645.5KQ1 2026OLDER
Migdal Insurance & Financial Holdings Ltd.$11.5B AUM0.20%$23,2653.11MQ4 2025OLDER
Portolan Capital Management, LLC$1.9B AUM0.20%$4M492.9KQ4 2025OLDER
MIRABELLA FINANCIAL SERVICES LLP$1.1B AUM0.20%$2M792.7KQ1 2026OLDER
CenterBook Partners LP$1.9B AUM0.19%$3M1.33MQ1 2026OLDER
Persistent Asset Partners Ltd$268M AUM0.18%$469,800180.0KQ1 2026OLDER
Militia Capital Management LLC$454M AUM0.14%$615,960236.0KQ2 2026
Palogic Value Management, L.P.$237M AUM0.13%$297,540114.0KQ1 2026OLDER
Numerai GP LLC$997M AUM0.11%$883,438117.9KQ4 2025OLDER
Penn Capital Management Company, LLC$1.3B AUM0.07%$940,555360.4KQ1 2026OLDER
MENORA MIVTACHIM HOLDINGS LTD.$21.1B AUM0.05%$10M4.02MQ1 2026OLDER
FULLCIRCLE WEALTH LLC$284M AUM0.04%$124,50015.0KQ3 2025OLDER
ROYCE & ASSOCIATES LP$10.1B AUM0.04%$4M537.4KQ4 2025OLDER
FOX RUN MANAGEMENT, L.L.C.$572M AUM0.02%$146,26519.5KQ4 2025OLDER
PDT Partners, LLC$1.7B AUM0.02%$305,54740.8KQ4 2025OLDER
AXQ CAPITAL, LP$777M AUM0.02%$136,79052.4KQ1 2026OLDER
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC$2.7B AUM0.01%$327,876125.6KQ1 2026OLDER
XTX Topco Ltd$5.8B AUM0.01%$597,377228.9KQ1 2026OLDER
WEXFORD CAPITAL LP$690M AUM0.01%$63,8006.9KQ3 2025OLDER
First Eagle Investment Management, LLC$59.0B AUM0.01%$5M645.6KQ4 2025OLDER
Trexquant Investment LP$13.9B AUM0.01%$809,205108.0KQ4 2025OLDER
ARK Investment Management LLC$12.9B AUM0.01%$918,903352.1KQ1 2026OLDER
Phoenix Financial Ltd.$10.5B AUM0.01%$566,119216.9KQ1 2026OLDER
Schonfeld Strategic Advisors LLC$14.2B AUM0.01%$754,743289.2KQ1 2026OLDER
Jump Financial, LLC$7.5B AUM0.01%$385,278147.6KQ1 2026OLDER
Voleon Capital Management LP$4.6B AUM0.00%$231,51788.7KQ1 2026OLDER
Brooklyn Investment Group$3.2B AUM0.00%$85,17511.7KQ4 2025OLDER
Connor, Clark & Lunn Investment Management Ltd.$43.4B AUM0.00%$1M533.6KQ1 2026OLDER
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$2M739.7KQ1 2026OLDER
Nuveen, LLC$369.3B AUM0.00%$11M1.52MQ4 2025OLDER
Quadrature Capital Ltd$8.4B AUM0.00%$245,95194.2KQ1 2026OLDER
OPPENHEIMER & CO INC$8.2B AUM0.00%$237,74091.1KQ1 2026OLDER
Engineers Gate Manager LP$8.0B AUM0.00%$228,16187.4KQ1 2026OLDER
Quantbot Technologies LP$2.4B AUM0.00%$84,98911.3KQ4 2025OLDER
Quarry LP$558M AUM0.00%$18,0432.4KQ4 2025OLDER
PEAK6 LLC$42.6B AUM0.00%$996,383381.8KQ1 2026OLDER
Graham Capital Management, L.P.$4.1B AUM0.00%$95,61536.6KQ1 2026OLDER
Cubist Systematic Strategies, LLC$21.0B AUM0.00%$468,84150.4KQ3 2025OLDER
GROUP ONE TRADING LLC$52.2B AUM0.00%$1M147.1KQ4 2025OLDER
ExodusPoint Capital Management, LP$12.6B AUM0.00%$224,18329.9KQ4 2025OLDER
MARSHALL WACE, LLP$100.4B AUM0.00%$2M638.2KQ1 2026OLDER
WELLINGTON MANAGEMENT GROUP LLP$535.5B AUM0.00%$8M2.97MQ1 2026OLDER
BLAIR WILLIAM & CO/IL$34.9B AUM0.00%$532,12071.0KQ4 2025OLDER
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO$30.9B AUM0.00%$452,53860.4KQ4 2025OLDER
Aquatic Capital Management LLC$3.5B AUM0.00%$47,00118.0KQ1 2026OLDER
BOOTHBAY FUND MANAGEMENT, LLC$7.7B AUM0.00%$89,58812.0KQ4 2025OLDER
Marex Group Ltd$15.8B AUM0.00%$186,00020.0KQ3 2025OLDER
WOLVERINE TRADING, LLC$138.7B AUM0.00%$2M179.3KQ3 2025OLDER
Walleye Capital LLC$24.0B AUM0.00%$322,71034.7KQ3 2025OLDER
Qube Research & Technologies Ltd$89.9B AUM0.00%$1M416.1KQ1 2026OLDER
Centiva Capital, LP$13.6B AUM0.00%$156,91860.1KQ1 2026OLDER
Verition Fund Management LLC$15.4B AUM0.00%$268,47235.8KQ4 2025OLDER
Police & Firemen's Retirement System of New Jersey$11.7B AUM0.00%$120,76916.1KQ4 2025OLDER
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$2M825.8KQ1 2026OLDER
Larson Financial Group LLC$3.1B AUM0.00%$24,9802.7KQ3 2025OLDER
SEI INVESTMENTS CO$108.4B AUM0.00%$574,49876.7KQ4 2025OLDER
Pathstone Holdings, LLC$25.1B AUM0.00%$131,51850.4KQ1 2026OLDER
Zurcher Kantonalbank (Zurich Cantonalbank)$46.0B AUM0.00%$236,62431.6KQ4 2025OLDER
Crewe Advisors LLC$1.2B AUM0.00%$5,498734Q4 2025OLDER
TEACHER RETIREMENT SYSTEM OF TEXAS$24.0B AUM0.00%$134,94018.0KQ4 2025OLDER
State of Wyoming$844M AUM0.00%$4,075544Q4 2025OLDER
State of Tennessee, Department of Treasury$29.8B AUM0.00%$126,63913.6KQ3 2025OLDER
Swiss National Bank$173.8B AUM0.00%$655,18087.5KQ4 2025OLDER
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$94.5B AUM0.00%$361,14548.2KQ4 2025OLDER
Tidal Investments LLC$47.4B AUM0.00%$160,84461.6KQ1 2026OLDER
Point72 Asset Management, L.P.$78.1B AUM0.00%$261,532100.2KQ1 2026OLDER
FEDERATED HERMES, INC.$61.5B AUM0.00%$182,70070.0KQ1 2026OLDER
MEITAV INVESTMENT HOUSE LTD$9.1B AUM0.00%$26,10010.0KQ1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$2M600.1KQ1 2026OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$9,170986Q3 2025OLDER
AMERIPRISE FINANCIAL INC$431.8B AUM0.00%$1M138.4KQ4 2025OLDER
KLP KAPITALFORVALTNING AS$25.5B AUM0.00%$60,6698.1KQ4 2025OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$206,38879.1KQ1 2026OLDER
Walleye Trading LLC$60.0B AUM0.00%$98,65113.2KQ4 2025OLDER
Russell Investments Group, Ltd.$93.1B AUM0.00%$129,00752.0KQ1 2026OLDER
CITIGROUP INC$234.5B AUM0.00%$287,554110.2KQ1 2026OLDER
Caitong International Asset Management Co., Ltd$541M AUM0.00%$632242Q1 2026OLDER
MORGAN STANLEY$1.67T AUM0.00%$2M256.7KQ1 2026OLDER
Cresset Asset Management, LLC$23.1B AUM0.00%$26,47610.1KQ1 2026OLDER
Legal & General Group Plc$432.4B AUM0.00%$424,08456.6KQ4 2025OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.00%$152,82158.6KQ1 2026OLDER
UBS Group AG$666.3B AUM0.00%$518,197198.5KQ1 2026OLDER
JANE STREET GROUP, LLC$777.2B AUM0.00%$603,604231.3KQ1 2026OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$603,31280.5KQ4 2025OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$2,6731.0KQ1 2026OLDER
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$481.0B AUM0.00%$324,02543.3KQ4 2025OLDER
NEW YORK STATE COMMON RETIREMENT FUND$71.6B AUM0.00%$49,00018.8KQ1 2026OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$450,89860.2KQ4 2025OLDER
LAZARD ASSET MANAGEMENT LLC$60.8B AUM0.00%$29,30511.2KQ1 2026OLDER
Squarepoint Ops LLC$85.1B AUM0.00%$33,98213.0KQ1 2026OLDER
CWM, LLC$38.1B AUM0.00%$111.1KQ3 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$434,513175.2KQ1 2026OLDER
DEUTSCHE BANK AG\$302.7B AUM0.00%$42,4465.7KQ4 2025OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$111,29842.6KQ1 2026OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$167,00164.0KQ1 2026OLDER
STATE STREET CORP$2.90T AUM0.00%$285,524109.4KQ1 2026OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$134,74018.0KQ4 2025OLDER
BARCLAYS PLC$416.3B AUM0.00%$27,69410.6KQ1 2026OLDER
BlackRock, Inc.$5.72T AUM0.00%$332,785127.5KQ1 2026OLDER
SIMPLEX TRADING, LLC$149.1B AUM0.00%$7,5792.9KQ1 2026OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$21,4028.2KQ2 2026
VANGUARD GROUP INC$6.90T AUM0.00%$264,32935.3KQ4 2025OLDER
NewEdge Advisors, LLC$27.7B AUM0.00%$816109Q4 2025OLDER
Smartleaf Asset Management LLC$2.8B AUM0.00%$7229Q1 2026OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$783300Q1 2026OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$2,323890Q1 2026OLDER
ASSETMARK, INC$49.0B AUM0.00%$12548Q1 2026OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$1,000200Q1 2026OLDER
JONES FINANCIAL COMPANIES LLLP$208.1B AUM0.00%$252100Q1 2026OLDER
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$162.4B AUM0.00%$3112Q1 2026OLDER
FMR LLC$1.90T AUM0.00%$166Q1 2026OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.