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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 70 | $312.1M |
| Q1 2026 | 81 | $144.4M |
| Q4 2025 | 100 | $454.1M |
| Q3 2025 | 95 | $526.1M |
| Q2 2025 | 111 | $414.8M |
| Q1 2025 | 110 | $460.5M |
| Q4 2024 | 113 | $739.3M |
| Q3 2024 | 94 | $411.8M |
| Q2 2024 | 77 | $323.3M |
| Q1 2024 | 74 | $370.7M |
| Q4 2023 | 55 | $208.3M |
| Q3 2023 | 52 | $286.9M |
| Q2 2023 | 49 | $257.8M |
| Q1 2023 | 42 | $274.2M |
| Q4 2022 | 47 | $261.4M |
| Q3 2022 | 45 | $160.0M |
| Q2 2022 | 48 | $225.9M |
| Q1 2022 | 43 | $366.7M |
| Q4 2021 | 45 | $500.6M |
| Q3 2021 | 34 | $303.9M |
| Q2 2021 | 47 | $294.1M |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Naspers Ltd | 11,173,265 | $158.3M | 13.03% | 00.0% | Unchanged |
| Viola Ventures V.C. Management 4 Ltd. | 10,810,778 | $153.2M | 56.44% | −420,009−3.7% | Reduced |
| Phoenix Holdings Ltd. | 2,522,007 | $35.7M | 0.49% | −37,496−1.5% | Reduced |
| Ulysses Management LLC | 2,283,228 | $32.4M | 7.52% | 00.0% | Unchanged |
| Jennison Associates LLC | 1,839,055 | $26.1M | 0.02% | +1,839,055 | New |
| Migdal Insurance & Financial Holdings Ltd. | 1,712,557 | $24.3M | 0.35% | 00.0% | Unchanged |
| Menora Mivtachim Holdings Ltd. | 1,686,470 | $23.9M | 0.15% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 1,590,391 | $22.5M | 0.14% | +1,590,391 | New |
| Y.D. More Investments Ltd | 1,449,634 | $20.5M | 1.85% | +86,500+6.3% | Added |
| Alpha Family Trust | 1,135,559 | $16.1M | 9.04% | −513,156−31.1% | Reduced |
| Scalar Gauge Management, LLC | 1,115,778 | $15.8M | 7.30% | +251,855+29.2% | Added |
| S Squared Technology, LLC | 1,056,291 | $15.0M | 6.22% | +28,274+2.8% | Added |
| Acadian Asset Management LLC | 888,642 | $12.6M | 0.04% | +30,458+3.5% | Added |
| BlackRock, Inc. | 784,943 | $11.1M | 0.00% | +355,052+82.6% | Added |
| Next Century Growth Investors LLC | 699,128 | $9.91M | 0.74% | +415,792+146.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 677,465 | $9.60M | 0.04% | +227,569+50.6% | Added |
| T. Rowe Price Investment Management, Inc. | 674,822 | $9.56M | 0.01% | +674,822 | New |
| Walleye Capital LLC | 478,417 | $6.78M | 0.06% | +123,764+34.9% | Added |
| Victory Capital Management Inc | 429,782 | $6.09M | 0.01% | +429,782 | New |
| Nuveen Asset Management, LLC | 428,926 | $6.08M | 0.00% | +85,448+24.9% | Added |
| P.A.W. Capital Corp | 400,000 | $5.67M | 10.81% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 380,873 | $5.40M | 0.01% | +55,873+17.2% | Added |
| Alyeska Investment Group, L.P. | 375,000 | $5.31M | 0.02% | +50,000+15.4% | Added |
| Marshall Wace, LLP | 358,736 | $5.08M | 0.01% | +66,514+22.8% | Added |
| Russell Investments Group, Ltd. | 357,373 | $5.06M | 0.01% | +142,807+66.6% | Added |
| Morgan Stanley | 319,019 | $4.52M | 0.00% | +143,064+81.3% | Added |
| Telemark Asset Management, LLC | 300,000 | $4.25M | 0.42% | +300,000 | New |
| D. E. Shaw & Co., Inc. | 292,584 | $4.15M | 0.00% | +103,544+54.8% | Added |
| State Street Corp | 287,223 | $4.07M | 0.00% | +99,304+52.8% | Added |
| Portolan Capital Management, LLC | 282,903 | $4.01M | 0.27% | +282,903 | New |
| Bank of America Corp | 276,935 | $3.92M | 0.00% | +163,919+145.0% | Added |
| Essex Investment Management Co LLC | 264,820 | $3.75M | 0.67% | −40,529−13.3% | Reduced |
| Ceera Investments, LLC | 259,827 | $3.68M | 1.26% | 00.0% | Unchanged |
| Citadel Advisors LLC | 257,124 | $3.64M | 0.00% | −1,423,811−84.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 255,406 | $3.62M | 0.00% | +134,407+111.1% | Added |
| Two Sigma Investments, LP | 255,372 | $3.62M | 0.01% | +84,136+49.1% | Added |
| UBS Group AG | 214,896 | $3.05M | 0.00% | +129,377+151.3% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 203,674 | $2.89M | 0.02% | −72,423−26.2% | Reduced |
| CenterBook Partners LP | 198,331 | $2.81M | 0.17% | +147,742+292.0% | Added |
| JPMorgan Chase & Co | 187,644 | $2.66M | 0.00% | +16,105+9.4% | Added |
| Calamos Advisors LLC | 171,167 | $2.43M | 0.01% | +101,975+147.4% | Added |
| Sphera Management Technology Funds Ltd | 164,145 | $2.33M | 1.84% | +164,145 | New |
| Old Well Partners, LLC | 156,419 | $2.22M | 4.23% | 00.0% | Unchanged |
| Panoramic Capital, LLC | 125,000 | $1.77M | 1.41% | +125,000 | New |
| Oppenheimer & Co Inc | 111,149 | $1.57M | 0.02% | +4,542+4.3% | Added |
| Millennium Management LLC | 108,328 | $1.54M | 0.00% | −433,954−80.0% | Reduced |
| Trexquant Investment LP | 104,475 | $1.48M | 0.02% | −43,966−29.6% | Reduced |
| Cubist Systematic Strategies, LLC | 102,966 | $1.46M | 0.02% | +10,031+10.8% | Added |
| Blair William & Co | 97,853 | $1.39M | 0.00% | +72,674+288.6% | Added |
| Point72 Asset Management, L.P. | 94,480 | $1.34M | 0.00% | +94,480 | New |
| BNP Paribas Arbitrage, SA | 88,501 | $1.25M | 0.00% | +88,501 | New |
| Swiss National Bank | 80,974 | $1.15M | 0.00% | +17,900+28.4% | Added |
| Legato Capital Management LLC | 79,207 | $1.12M | 0.15% | −23,780−23.1% | Reduced |
| Goldman Sachs Group Inc | 77,126 | $1.09M | 0.00% | −42,020−35.3% | Reduced |
| Lazard Asset Management LLC | 76,415 | $1.08M | 0.00% | +14,282+23.0% | Added |
| Atom Investors LP | 73,655 | $1.04M | 0.13% | −70,287−48.8% | Reduced |
| ExodusPoint Capital Management, LP | 68,218 | $967.0K | 0.01% | +44,813+191.5% | Added |
| SEI Investments Co | 68,171 | $966.0K | 0.00% | +68,171 | New |
| Jump Financial, LLC | 67,300 | $953.6K | 0.02% | +35,446+111.3% | Added |
| Northern Trust Corp | 66,277 | $939.1K | 0.00% | +53,945+437.4% | Added |
| XTX Topco Ltd | 52,175 | $739.3K | 0.06% | −1,805−3.3% | Reduced |
| Militia Capital Partners, LP | 49,800 | $705.7K | 0.33% | +49,800 | New |
| Cresset Asset Management, LLC | 46,328 | $656.5K | 0.00% | −8,009−14.7% | Reduced |
| Bailard, Inc. | 45,457 | $644.1K | 0.02% | +45,457 | New |
| Two Sigma Advisers, LP | 43,600 | $617.8K | 0.00% | +12,700+41.1% | Added |
| Toroso Investments, LLC | 40,641 | $575.9K | 0.00% | +40,641 | New |
| Legal & General Group Plc | 39,371 | $557.9K | 0.00% | +13,118+50.0% | Added |
| Numerai GP LLC | 38,668 | $547.9K | 0.15% | −48,306−55.5% | Reduced |
| Squarepoint Ops LLC | 38,638 | $547.5K | 0.00% | −81,752−67.9% | Reduced |
| California State Teachers Retirement System | 38,298 | $542.7K | 0.00% | +10,185+36.2% | Added |
| PDT Partners, LLC | 37,680 | $533.9K | 0.05% | +37,680 | New |
| Vanguard Group Inc | 35,291 | $500.1K | 0.00% | +10,131+40.3% | Added |
| EAM Global Investors LLC | 35,219 | $499.1K | 0.09% | +35,219 | New |
| Geode Capital Management, LLC | 33,730 | $478.0K | 0.00% | +23,708+236.6% | Added |
| Pathstone Holdings, LLC | 33,010 | $467.8K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 31,017 | $439.0K | 0.00% | +31,017 | New |
| Quantbot Technologies LP | 29,652 | $420.2K | 0.02% | +21,115+247.3% | Added |
| Quadrature Capital Ltd | 28,000 | $396.5K | 0.01% | −29,569−51.4% | Reduced |
| Gsa Capital Partners LLP | 24,529 | $348.0K | 0.03% | −20,718−45.8% | Reduced |
| Verition Fund Management LLC | 23,244 | $329.4K | 0.00% | +5,144+28.4% | Added |
| Centiva Capital, LP | 22,841 | $323.7K | 0.01% | −1,183−4.9% | Reduced |
| State of Wyoming | 18,623 | $263.9K | 0.03% | −4,793−20.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,207 | $258.0K | 0.00% | +18,207 | New |
| Natixis Advisors, L.P. | 18,017 | $255.0K | 0.00% | +18,017 | New |
| Antipodes Partners Ltd | 16,166 | $229.1K | 0.01% | +5,542+52.2% | Added |
| Federation des caisses Desjardins du Quebec | 16,144 | $228.5K | 0.00% | −4,083−20.2% | Reduced |
| UBS Asset Management Americas Inc | 15,912 | $225.5K | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 13,785 | $195.3K | 0.00% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 13,512 | $191.5K | 0.02% | +13,512 | New |
| Meitav Dash Investments Ltd | 12,846 | $182.0K | 0.00% | +1,870+17.0% | Added |
| Corton Capital Inc. | 12,097 | $171.4K | 0.10% | −17,526−59.2% | Reduced |
| Keybank National Association | 11,330 | $160.5K | 0.00% | +11,330 | New |
| Barclays PLC | 10,946 | $155.1K | 0.00% | −4,468−29.0% | Reduced |
| International Assets Investment Management, LLC | 10,990 | $153.8K | 0.01% | +10,990 | New |
| Teacher Retirement System of Texas | 10,796 | $153.0K | 0.00% | +10,796 | New |
| Public Employees Retirement System of Ohio | 9,900 | $140.3K | 0.00% | +2,000+25.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 8,873 | $125.7K | 0.00% | +8,873 | New |
| Advisor Group Holdings, Inc. | 8,109 | $114.9K | 0.00% | +7,911+3,995.5% | Added |
| KLP Kapitalforvaltning AS | 8,100 | $114.8K | 0.00% | +8,100 | New |
| State of Tennessee, Treasury Department | 7,847 | $111.2K | 0.00% | 00.0% | Unchanged |