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 |
|---|---|---|---|---|---|
| FMR LLC | 6 | $0 | 0.00% | −67−91.8% | Reduced |
| Royal Bank of Canada | 1 | $0 | 0.00% | −40−97.6% | Reduced |
| Signaturefd, LLC | 447 | $3.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,518 | $9.00K | 0.00% | +1,518 | New |
| 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 |
| Wells Fargo & Company | 3,138 | $18.0K | 0.00% | 00.0% | Unchanged |
| Chicago Capital, LLC | 10,819 | $63.0K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 11,004 | $64.0K | 0.00% | −2,261−17.0% | Reduced |
| CAPROCK Group, Inc. | 12,500 | $73.0K | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 13,208 | $77.0K | 0.00% | +3,433+35.1% | Added |
| Renaissance Technologies LLC | 16,000 | $94.0K | 0.00% | +3,500+28.0% | 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 |
| Citigroup Inc | 20,241 | $118.0K | 0.00% | +15,009+286.9% | Added |
| California State Teachers Retirement System | 20,295 | $119.0K | 0.00% | +2,675+15.2% | Added |
| Trexquant Investment LP | 21,030 | $123.0K | 0.00% | +21,030 | New |
| Bank of America Corp | 23,867 | $140.0K | 0.00% | +2,203+10.2% | Added |
| Credit Suisse AG | 25,850 | $151.0K | 0.00% | +9,806+61.1% | Added |
| Simplex Trading, LLC | 31,152 | $182.0K | 0.01% | +31,091+50,968.9% | Added |
| UBS Asset Management Americas Inc | 33,200 | $194.6K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 34,672 | $203.0K | 0.00% | +6,732+24.1% | Added |
| Swiss National Bank | 44,388 | $260.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 46,202 | $271.0K | 0.00% | −21,880−32.1% | Reduced |
| ETF Managers Group, LLC | 50,300 | $295.0K | 0.01% | +3,796+8.2% | Added |
| Wolverine Trading, LLC | 56,785 | $345.0K | 0.01% | +56,785 | New |
| State Street Corp | 89,534 | $525.0K | 0.00% | +22,500+33.6% | Added |
| Marshall Wace, LLP | 113,129 | $663.0K | 0.00% | +38,291+51.2% | Added |
| Tudor Investment Corp Et Al | 135,386 | $793.0K | 0.02% | +2,306+1.7% | Added |
| Susquehanna International Group, LLP | 145,519 | $853.0K | 0.00% | +84,433+138.2% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 230,500 | $1.35M | 0.01% | +66,184+40.3% | Added |
| Premier Fund Managers Ltd | 265,855 | $1.63M | 0.12% | −76,941−22.4% | Reduced |
| Old Well Partners, LLC | 291,753 | $1.71M | 1.42% | +13,557+4.9% | Added |
| BlackRock Inc. | 294,226 | $1.72M | 0.00% | +13,028+4.6% | Added |
| Bessemer Group Inc | 312,677 | $1.83M | 0.00% | +260,976+504.8% | Added |
| Phoenix Holdings Ltd. | 330,561 | $2.01M | 0.04% | +250,331+312.0% | Added |
| Blair William & Co | 369,466 | $2.17M | 0.01% | +55,919+17.8% | Added |
| Millennium Management LLC | 398,109 | $2.33M | 0.00% | −466,080−53.9% | Reduced |
| Bamco Inc | 539,899 | $3.16M | 0.01% | −196,647−26.7% | Reduced |
| Meitav Dash Investments Ltd | 550,821 | $3.35M | 0.06% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 1,636,950 | $9.59M | 0.22% | 00.0% | Unchanged |
| Alpha Family Trust | 1,681,777 | $9.86M | 7.45% | 00.0% | Unchanged |
| Ulysses Management LLC | 2,413,751 | $14.1M | 3.80% | 00.0% | Unchanged |
| ION Crossover Partners Ltd | 5,772,183 | $33.8M | 61.72% | 00.0% | Unchanged |
| Naspers Ltd | 11,173,265 | $65.5M | 8.19% | 00.0% | Unchanged |
| 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 |