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Similarweb Ltd.

SMWB
Exchange
NYSE
Industry
Services-Computer Programming, Data Processing, Etc.
SEC CIK
0001842731

In the last 90 days, Similarweb Ltd. insiders filed 0 open-market purchases and 9 sales; 70 institutions reported holding it in 13F filings for Q2 2026, worth $312.1M in total; ARK Invest is the only superinvestor holding it.

13F holders, Q2 2022

Institutional positions in Similarweb Ltd. as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
48
+5 vs. Q1 2022
Shares held
27.4M
−935.0K (−3.3%) vs. Q1 2022
Total value
$225.9M
−$140.8M (−38.4%) vs. Q1 2022
New holders
13
10 more added
Sold out
8
15 more reduced

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SMWB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 48 institutions
Q1 2021: 0 institutionsQ2 2021: 47 institutionsQ3 2021: 34 institutionsQ4 2021: 45 institutionsQ1 2022: 43 institutionsQ2 2022: 48 institutionsQ3 2022: 45 institutionsQ4 2022: 47 institutionsQ1 2023: 42 institutionsQ2 2023: 49 institutionsQ3 2023: 52 institutionsQ4 2023: 55 institutionsQ1 2024: 74 institutionsQ2 2024: 77 institutionsQ3 2024: 94 institutionsQ4 2024: 113 institutionsQ1 2025: 110 institutionsQ2 2025: 111 institutionsQ3 2025: 95 institutionsQ4 2025: 100 institutionsQ1 2026: 81 institutionsQ2 2026: 70 institutions
Value heldQ2 2022: $225.9M
Q1 2021: $0Q2 2021: $294.1MQ3 2021: $303.9MQ4 2021: $500.6MQ1 2022: $366.7MQ2 2022: $225.9MQ3 2022: $160.0MQ4 2022: $261.4MQ1 2023: $274.2MQ2 2023: $257.8MQ3 2023: $286.9MQ4 2023: $208.3MQ1 2024: $370.7MQ2 2024: $323.3MQ3 2024: $411.8MQ4 2024: $739.3MQ1 2025: $460.5MQ2 2025: $414.8MQ3 2025: $526.1MQ4 2025: $454.1MQ1 2026: $144.4MQ2 2026: $312.1M
Institutions holding SMWB and their total value by quarter
QuarterHoldersValue
Q2 202670$312.1M
Q1 202681$144.4M
Q4 2025100$454.1M
Q3 202595$526.1M
Q2 2025111$414.8M
Q1 2025110$460.5M
Q4 2024113$739.3M
Q3 202494$411.8M
Q2 202477$323.3M
Q1 202474$370.7M
Q4 202355$208.3M
Q3 202352$286.9M
Q2 202349$257.8M
Q1 202342$274.2M
Q4 202247$261.4M
Q3 202245$160.0M
Q2 202248$225.9M
Q1 202243$366.7M
Q4 202145$500.6M
Q3 202134$303.9M
Q2 202147$294.1M
Q1 20210$0

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q1 2022.

Institutions holding SMWB in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Naspers Ltd11,173,265$92.2M11.99%00.0%Unchanged
ION Crossover Partners Ltd5,772,183$47.6M50.17%00.0%Unchanged
Ulysses Management LLC2,413,751$19.9M5.24%+367,146+17.9%Added
Alpha Family Trust1,681,777$13.9M8.84%00.0%Unchanged
Migdal Insurance & Financial Holdings Ltd.1,636,950$13.5M0.30%−10,000−0.6%Reduced
Millennium Management LLC864,189$7.13M0.01%−73,232−7.8%Reduced
Bamco Inc736,546$6.08M0.02%−426,028−36.6%Reduced
Meitav Dash Investments Ltd550,821$4.50M0.08%00.0%Unchanged
Premier Fund Managers Ltd342,796$2.76M0.12%00.0%Unchanged
Blair William & Co313,547$2.59M0.01%+3,684+1.2%Added
BlackRock Inc.281,198$2.32M0.00%−188,958−40.2%Reduced
Old Well Partners, LLC278,196$2.29M1.84%+26,708+10.6%Added
ARK Investment Management LLCSuperinvestorARK Invest164,316$1.47M0.01%+4,776+3.0%Added
Arena Capital Advisors, LLC- CA160,000$1.32M0.33%+61,765+62.9%Added
Tudor Investment Corp Et Al133,080$1.10M0.03%+4,262+3.3%Added
Phoenix Holdings Ltd.80,230$660.0K0.01%−29,723−27.0%Reduced
Marshall Wace, LLP74,838$618.0K0.00%−65,679−46.7%Reduced
Citadel Advisors LLC68,082$561.0K0.00%−50,319−42.5%Reduced
State Street Corp67,034$553.0K0.00%+67,034New
Group One Trading, L.P.65,200$538.0K0.02%+65,200New
Susquehanna International Group, LLP61,086$504.0K0.00%+47,093+336.5%Added
Bessemer Group Inc51,701$426.0K0.00%+51,701New
Sage Rhino Capital LLC49,116$405.0K0.15%00.0%Unchanged
ETF Managers Group, LLC46,504$377.0K0.01%+25,769+124.3%Added
Swiss National Bank44,388$366.0K0.00%+44,388New
UBS Asset Management Americas Inc33,200$273.9K0.00%+33,200New
JPMorgan Chase & Co27,940$230.0K0.00%+27,640+9,213.3%Added
Bank of America Corp21,664$179.0K0.00%−15,158−41.2%Reduced
D. E. Shaw & Co., Inc.18,435$152.0K0.00%+18,435New
California State Teachers Retirement System17,620$145.0K0.00%+17,620New
Yarbrough Capital, LLC17,200$142.0K0.01%−3,583−17.2%Reduced
Vanguard Group Inc17,096$141.0K0.00%+17,096New
Credit Suisse AG16,044$132.0K0.00%+16,044New
Goldman Sachs Group Inc13,265$109.0K0.00%+13,265New
CAPROCK Group, Inc.12,500$103.0K0.01%00.0%Unchanged
Renaissance Technologies LLC12,500$103.0K0.00%+12,500New
UBS Group AG11,855$98.0K0.00%+714+6.4%Added
Chicago Capital, LLC10,819$89.0K0.00%00.0%Unchanged
MQS Management LLC10,439$86.0K0.06%+10,439New
Morgan Stanley9,775$81.0K0.00%−5,222−34.8%Reduced
Citigroup Inc5,232$43.0K0.00%−1,652−24.0%Reduced
Canada Pension Plan Investment Board4,500$37.0K0.00%00.0%Unchanged
Wells Fargo & Company3,138$26.0K0.00%−69,790−95.7%Reduced
Harel Insurance Investments & Financial Services Ltd.2,949$24.0K0.00%+2,949New
Signaturefd, LLC447$4.00K0.00%00.0%Unchanged
FMR LLC73$1.00K0.00%−135−64.9%Reduced
Simplex Trading, LLC61$00.00%−108−63.9%Reduced
Royal Bank of Canada41$00.00%−59−59.0%Reduced
Macquarie Group Ltd0$00.00%−398,165−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−311,270−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−115,000−100.0%Sold out
Ameriprise Financial Inc0$00.00%−64,200−100.0%Sold out
Engineers Gate Manager LP0$00.00%−12,759−100.0%Sold out
RBF Capital, LLC0$00.00%−12,000−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−12,153−100.0%Sold out
Walleye Trading LLC0$00.00%−9,193−100.0%Sold out