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, Q3 2022
Institutional positions in Similarweb Ltd. as of Sep 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
- 45
- −3 vs. Q2 2022
- Shares held
- 27.3M
- −116.4K (−0.4%) vs. Q2 2022
- Total value
- $160.0M
- −$65.8M (−29.1%) vs. Q2 2022
- New holders
- 4
- 19 more added
- Sold out
- 7
- 8 more reduced
Compare with Q2 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.
| 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, Q3 2022
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Naspers Ltd | 11,173,265 | $65.5M | 8.19% | 00.0% | Unchanged |
| ION Crossover Partners Ltd | 5,772,183 | $33.8M | 61.72% | 00.0% | Unchanged |
| Ulysses Management LLC | 2,413,751 | $14.1M | 3.80% | 00.0% | Unchanged |
| Alpha Family Trust | 1,681,777 | $9.86M | 7.45% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 1,636,950 | $9.59M | 0.22% | 00.0% | Unchanged |
| Meitav Dash Investments Ltd | 550,821 | $3.35M | 0.06% | 00.0% | Unchanged |
| Bamco Inc | 539,899 | $3.16M | 0.01% | −196,647−26.7% | Reduced |
| Millennium Management LLC | 398,109 | $2.33M | 0.00% | −466,080−53.9% | Reduced |
| Blair William & Co | 369,466 | $2.17M | 0.01% | +55,919+17.8% | Added |
| Phoenix Holdings Ltd. | 330,561 | $2.01M | 0.04% | +250,331+312.0% | Added |
| Bessemer Group Inc | 312,677 | $1.83M | 0.00% | +260,976+504.8% | Added |
| BlackRock Inc. | 294,226 | $1.72M | 0.00% | +13,028+4.6% | Added |
| Old Well Partners, LLC | 291,753 | $1.71M | 1.42% | +13,557+4.9% | Added |
| Premier Fund Managers Ltd | 265,855 | $1.63M | 0.12% | −76,941−22.4% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 230,500 | $1.35M | 0.01% | +66,184+40.3% | Added |
| Susquehanna International Group, LLP | 145,519 | $853.0K | 0.00% | +84,433+138.2% | Added |
| Tudor Investment Corp Et Al | 135,386 | $793.0K | 0.02% | +2,306+1.7% | Added |
| Marshall Wace, LLP | 113,129 | $663.0K | 0.00% | +38,291+51.2% | Added |
| State Street Corp | 89,534 | $525.0K | 0.00% | +22,500+33.6% | Added |
| Wolverine Trading, LLC | 56,785 | $345.0K | 0.01% | +56,785 | New |
| ETF Managers Group, LLC | 50,300 | $295.0K | 0.01% | +3,796+8.2% | Added |
| Citadel Advisors LLC | 46,202 | $271.0K | 0.00% | −21,880−32.1% | Reduced |
| Swiss National Bank | 44,388 | $260.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 34,672 | $203.0K | 0.00% | +6,732+24.1% | Added |
| UBS Asset Management Americas Inc | 33,200 | $194.6K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 31,152 | $182.0K | 0.01% | +31,091+50,968.9% | Added |
| Credit Suisse AG | 25,850 | $151.0K | 0.00% | +9,806+61.1% | Added |
| Bank of America Corp | 23,867 | $140.0K | 0.00% | +2,203+10.2% | Added |
| Trexquant Investment LP | 21,030 | $123.0K | 0.00% | +21,030 | New |
| California State Teachers Retirement System | 20,295 | $119.0K | 0.00% | +2,675+15.2% | Added |
| Citigroup Inc | 20,241 | $118.0K | 0.00% | +15,009+286.9% | Added |
| Yarbrough Capital, LLC | 17,200 | $101.0K | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 17,096 | $101.0K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 16,000 | $94.0K | 0.00% | +3,500+28.0% | Added |
| Morgan Stanley | 13,208 | $77.0K | 0.00% | +3,433+35.1% | Added |
| CAPROCK Group, Inc. | 12,500 | $73.0K | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 11,004 | $64.0K | 0.00% | −2,261−17.0% | Reduced |
| Chicago Capital, LLC | 10,819 | $63.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 3,138 | $18.0K | 0.00% | 00.0% | Unchanged |
| Harel Insurance Investments & Financial Services Ltd. | 2,418 | $15.0K | 0.00% | −531−18.0% | Reduced |
| Legal & General Group Plc | 2,531 | $15.0K | 0.00% | +2,531 | New |
| Tower Research Capital LLC (TRC) | 1,518 | $9.00K | 0.00% | +1,518 | New |
| Signaturefd, LLC | 447 | $3.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 6 | $0 | 0.00% | −67−91.8% | Reduced |
| Royal Bank of Canada | 1 | $0 | 0.00% | −40−97.6% | Reduced |
| Arena Capital Advisors, LLC- CA | 0 | $0 | 0.00% | −160,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −65,200−100.0% | Sold out |
| Sage Rhino Capital LLC | 0 | $0 | 0.00% | −49,116−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −18,435−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −11,855−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −10,439−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |