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 2021
Institutional positions in Similarweb Ltd. as of Dec 31, 2021. 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
- +11 vs. Q3 2021
- Shares held
- 27.9M
- +13.4M (+92.5%) vs. Q3 2021
- Total value
- $500.6M
- +$196.7M (+64.7%) vs. Q3 2021
- New holders
- 23
- 10 more added
- Sold out
- 12
- 6 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amplius Wealth Advisors, LLC | 47 | $0 | 0.00% | +47 | New |
| Royal Bank of Canada | 100 | $2.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 447 | $8.00K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,741 | $31.0K | 0.00% | +1,294+289.5% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 3,657 | $65.0K | 0.00% | +3,657 | New |
| Canada Pension Plan Investment Board | 4,500 | $81.0K | 0.00% | +4,500 | New |
| JPMorgan Chase & Co | 7,621 | $136.0K | 0.00% | +7,321+2,440.3% | Added |
| Citigroup Inc | 8,711 | $156.0K | 0.00% | −1,085−11.1% | Reduced |
| Chicago Capital, LLC | 10,819 | $194.0K | 0.01% | +10,819 | New |
| Morgan Stanley | 11,200 | $201.0K | 0.00% | +600+5.7% | Added |
| Jane Street Group, LLC | 11,432 | $205.0K | 0.00% | +11,432 | New |
| Squarepoint Ops LLC | 12,224 | $219.0K | 0.00% | +12,224 | New |
| CAPROCK Group, Inc. | 12,500 | $224.0K | 0.02% | +12,500 | New |
| Yarbrough Capital, LLC | 17,200 | $308.0K | 0.02% | +17,200 | New |
| Susquehanna International Group, LLP | 19,490 | $349.0K | 0.00% | +19,490 | New |
| ETF Managers Group, LLC | 22,359 | $395.0K | 0.01% | +22,359 | New |
| Laurion Capital Management LP | 25,700 | $460.0K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 26,319 | $471.0K | 0.00% | +26,319 | New |
| G2 Investment Partners Management LLC | 28,046 | $502.0K | 0.09% | −69,636−71.3% | Reduced |
| Eagle Global Advisors LLC | 31,100 | $557.0K | 0.04% | +31,100 | New |
| Alpha Paradigm Partners, LLC | 32,594 | $584.0K | 0.23% | +32,594 | New |
| Sage Rhino Capital LLC | 49,116 | $880.0K | 0.25% | +49,116 | New |
| Phoenix Holdings Ltd. | 58,178 | $1.04M | 0.02% | +58,178 | New |
| Arena Capital Advisors, LLC- CA | 60,000 | $1.07M | 0.10% | +28,557+90.8% | Added |
| Ameriprise Financial Inc | 64,200 | $1.15M | 0.00% | +64,200 | New |
| Wells Fargo & Company | 68,902 | $1.23M | 0.00% | +68,902 | New |
| Citadel Advisors LLC | 131,759 | $2.36M | 0.00% | +93,221+241.9% | Added |
| Marshall Wace, LLP | 144,253 | $2.58M | 0.01% | +95,231+194.3% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 152,868 | $2.74M | 0.01% | −2,844−1.8% | Reduced |
| Tudor Investment Corp Et Al | 184,172 | $3.30M | 0.06% | −1,303−0.7% | Reduced |
| Old Well Partners, LLC | 208,910 | $3.74M | 2.31% | +208,910 | New |
| Ghisallo Capital Management LLC | 230,734 | $4.13M | 0.21% | 00.0% | Unchanged |
| Blair William & Co | 308,361 | $5.52M | 0.02% | +308,361 | New |
| Allspring Global Investments Holdings, LLC | 315,180 | $5.64M | 0.01% | +315,180 | New |
| Meitav Dash Investments Ltd | 323,762 | $5.79M | 0.09% | +323,762 | New |
| FMR LLC | 432,966 | $7.75M | 0.00% | −1,472,388−77.3% | Reduced |
| BlackRock Inc. | 578,079 | $10.4M | 0.00% | +3,322+0.6% | Added |
| Macquarie Group Ltd | 604,912 | $10.8M | 0.01% | −4,622−0.8% | Reduced |
| Millennium Management LLC | 613,131 | $11.0M | 0.01% | +237,781+63.3% | Added |
| Bamco Inc | 1,341,800 | $24.0M | 0.05% | +805,858+150.4% | Added |
| Ulysses Management LLC | 1,478,334 | $26.5M | 4.57% | +1,478,334 | New |
| Alpha Family Trust | 1,681,777 | $30.1M | 9.89% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 1,684,653 | $30.2M | 0.29% | +789,723+88.2% | Added |
| ION Crossover Partners Ltd | 5,772,183 | $103.4M | 26.87% | 00.0% | Unchanged |
| Naspers Ltd | 11,173,265 | $200.1M | 11.36% | +11,173,265 | New |
| SOA Wealth Advisors, LLC. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Capital Research Global Investors | 0 | $0 | 0.00% | −571,900−100.0% | Sold out |
| Ion Asset Management Ltd. | 0 | $0 | 0.00% | −394,480−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −130,450−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −103,380−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −42,738−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −39,710−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −20,295−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −10,623−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −9,410−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −227−100.0% | Sold out |