Skip to main content

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, Q4 2024

Institutional positions in Similarweb Ltd. as of Dec 31, 2024. 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
113
+19 vs. Q3 2024
Shares held
52.2M
+5.59M (+12.0%) vs. Q3 2024
Total value
$739.3M
+$327.5M (+79.5%) vs. Q3 2024
New holders
28
46 more added
Sold out
9
25 more reduced

Compare with Q3 2024: 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 holdersQ4 2024: 113 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 heldQ4 2024: $739.3M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q3 2024.

Institutions holding SMWB in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC6$850.00%00.0%Unchanged
Farther Finance Advisors, LLC23$3260.00%+23New
Tower Research Capital LLC (TRC)35$4960.00%−65−65.0%Reduced
Jones Financial Companies LLLP141$2.00K0.00%+41+41.0%Added
Wells Fargo & Company258$3.66K0.00%00.0%Unchanged
MCF Advisors LLC842$11.9K0.00%+492+140.6%Added
Royal Bank of Canada1,300$18.0K0.00%−700−35.0%Reduced
GWM Advisors LLC1,713$24.3K0.00%+1,604+1,471.6%Added
Global Retirement Partners, LLC2,047$29.0K0.00%+2,047New
Covestor Ltd2,280$32.0K0.02%−1,336−36.9%Reduced
Citigroup Inc2,376$33.7K0.00%+1,161+95.6%Added
New York State Common Retirement Fund2,754$39.0K0.00%+2,754New
Deutsche Bank AG5,667$80.3K0.00%00.0%Unchanged
State of Tennessee, Treasury Department7,847$111.2K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS8,100$114.8K0.00%+8,100New
Advisor Group Holdings, Inc.8,109$114.9K0.00%+7,911+3,995.5%Added
Police & Firemen's Retirement System of New Jersey8,873$125.7K0.00%+8,873New
Public Employees Retirement System of Ohio9,900$140.3K0.00%+2,000+25.3%Added
Teacher Retirement System of Texas10,796$153.0K0.00%+10,796New
International Assets Investment Management, LLC10,990$153.8K0.01%+10,990New
Barclays PLC10,946$155.1K0.00%−4,468−29.0%Reduced
Keybank National Association11,330$160.5K0.00%+11,330New
Corton Capital Inc.12,097$171.4K0.10%−17,526−59.2%Reduced
Meitav Dash Investments Ltd12,846$182.0K0.00%+1,870+17.0%Added
Eqis Capital Management, Inc.13,512$191.5K0.02%+13,512New
State of New Jersey Common Pension Fund D13,785$195.3K0.00%00.0%Unchanged
UBS Asset Management Americas Inc15,912$225.5K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec16,144$228.5K0.00%−4,083−20.2%Reduced
Antipodes Partners Ltd16,166$229.1K0.01%+5,542+52.2%Added
Natixis Advisors, L.P.18,017$255.0K0.00%+18,017New
Zurcher Kantonalbank (Zurich Cantonalbank)18,207$258.0K0.00%+18,207New
State of Wyoming18,623$263.9K0.03%−4,793−20.5%Reduced
Centiva Capital, LP22,841$323.7K0.01%−1,183−4.9%Reduced
Verition Fund Management LLC23,244$329.4K0.00%+5,144+28.4%Added
Gsa Capital Partners LLP24,529$348.0K0.03%−20,718−45.8%Reduced
Quadrature Capital Ltd28,000$396.5K0.01%−29,569−51.4%Reduced
Quantbot Technologies LP29,652$420.2K0.02%+21,115+247.3%Added
HRT Financial LP31,017$439.0K0.00%+31,017New
Pathstone Holdings, LLC33,010$467.8K0.00%00.0%Unchanged
Geode Capital Management, LLC33,730$478.0K0.00%+23,708+236.6%Added
EAM Global Investors LLC35,219$499.1K0.09%+35,219New
Vanguard Group Inc35,291$500.1K0.00%+10,131+40.3%Added
PDT Partners, LLC37,680$533.9K0.05%+37,680New
California State Teachers Retirement System38,298$542.7K0.00%+10,185+36.2%Added
Squarepoint Ops LLC38,638$547.5K0.00%−81,752−67.9%Reduced
Numerai GP LLC38,668$547.9K0.15%−48,306−55.5%Reduced
Legal & General Group Plc39,371$557.9K0.00%+13,118+50.0%Added
Toroso Investments, LLC40,641$575.9K0.00%+40,641New
Two Sigma Advisers, LP43,600$617.8K0.00%+12,700+41.1%Added
Bailard, Inc.45,457$644.1K0.02%+45,457New
Cresset Asset Management, LLC46,328$656.5K0.00%−8,009−14.7%Reduced
Militia Capital Partners, LP49,800$705.7K0.33%+49,800New
XTX Topco Ltd52,175$739.3K0.06%−1,805−3.3%Reduced
Northern Trust Corp66,277$939.1K0.00%+53,945+437.4%Added
Jump Financial, LLC67,300$953.6K0.02%+35,446+111.3%Added
SEI Investments Co68,171$966.0K0.00%+68,171New
ExodusPoint Capital Management, LP68,218$967.0K0.01%+44,813+191.5%Added
Atom Investors LP73,655$1.04M0.13%−70,287−48.8%Reduced
Lazard Asset Management LLC76,415$1.08M0.00%+14,282+23.0%Added
Goldman Sachs Group Inc77,126$1.09M0.00%−42,020−35.3%Reduced
Legato Capital Management LLC79,207$1.12M0.15%−23,780−23.1%Reduced
Swiss National Bank80,974$1.15M0.00%+17,900+28.4%Added
BNP Paribas Arbitrage, SA88,501$1.25M0.00%+88,501New
Point72 Asset Management, L.P.94,480$1.34M0.00%+94,480New
Blair William & Co97,853$1.39M0.00%+72,674+288.6%Added
Cubist Systematic Strategies, LLC102,966$1.46M0.02%+10,031+10.8%Added
Trexquant Investment LP104,475$1.48M0.02%−43,966−29.6%Reduced
Millennium Management LLC108,328$1.54M0.00%−433,954−80.0%Reduced
Oppenheimer & Co Inc111,149$1.57M0.02%+4,542+4.3%Added
Panoramic Capital, LLC125,000$1.77M1.41%+125,000New
Old Well Partners, LLC156,419$2.22M4.23%00.0%Unchanged
Sphera Management Technology Funds Ltd164,145$2.33M1.84%+164,145New
Calamos Advisors LLC171,167$2.43M0.01%+101,975+147.4%Added
JPMorgan Chase & Co187,644$2.66M0.00%+16,105+9.4%Added
CenterBook Partners LP198,331$2.81M0.17%+147,742+292.0%Added
ARK Investment Management LLCSuperinvestorARK Invest203,674$2.89M0.02%−72,423−26.2%Reduced
UBS Group AG214,896$3.05M0.00%+129,377+151.3%Added
Two Sigma Investments, LP255,372$3.62M0.01%+84,136+49.1%Added
Arrowstreet Capital, Limited Partnership255,406$3.62M0.00%+134,407+111.1%Added
Citadel Advisors LLC257,124$3.64M0.00%−1,423,811−84.7%Reduced
Ceera Investments, LLC259,827$3.68M1.26%00.0%Unchanged
Essex Investment Management Co LLC264,820$3.75M0.67%−40,529−13.3%Reduced
Bank of America Corp276,935$3.92M0.00%+163,919+145.0%Added
Portolan Capital Management, LLC282,903$4.01M0.27%+282,903New
State Street Corp287,223$4.07M0.00%+99,304+52.8%Added
D. E. Shaw & Co., Inc.292,584$4.15M0.00%+103,544+54.8%Added
Telemark Asset Management, LLC300,000$4.25M0.42%+300,000New
Morgan Stanley319,019$4.52M0.00%+143,064+81.3%Added
Russell Investments Group, Ltd.357,373$5.06M0.01%+142,807+66.6%Added
Marshall Wace, LLP358,736$5.08M0.01%+66,514+22.8%Added
Alyeska Investment Group, L.P.375,000$5.31M0.02%+50,000+15.4%Added
Renaissance Technologies LLC380,873$5.40M0.01%+55,873+17.2%Added
P.A.W. Capital Corp400,000$5.67M10.81%00.0%Unchanged
Nuveen Asset Management, LLC428,926$6.08M0.00%+85,448+24.9%Added
Victory Capital Management Inc429,782$6.09M0.01%+429,782New
Walleye Capital LLC478,417$6.78M0.06%+123,764+34.9%Added
T. Rowe Price Investment Management, Inc.674,822$9.56M0.01%+674,822New
Connor, Clark & Lunn Investment Management Ltd.677,465$9.60M0.04%+227,569+50.6%Added
Next Century Growth Investors LLC699,128$9.91M0.74%+415,792+146.7%Added
BlackRock, Inc.784,943$11.1M0.00%+355,052+82.6%Added