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, Q2 2021
Institutional positions in Similarweb Ltd. as of Jun 30, 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
- 47
- +47 vs. Q1 2021
- Shares held
- 14.9M
- +14.9M vs. Q1 2021
- Total value
- $294.1M
- +$294.1M vs. Q1 2021
- New holders
- 47
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Point72 Hong Kong Ltd | 22 | $0 | 0.00% | +22 | New |
| Carolina Wealth Advisors, LLC | 23 | $0 | 0.00% | +23 | New |
| Royal Bank of Canada | 100 | $2.00K | 0.00% | +100 | New |
| JPMorgan Chase & Co | 300 | $6.00K | 0.00% | +300 | New |
| UBS Group AG | 2,000 | $39.0K | 0.00% | +2,000 | New |
| Cubist Systematic Strategies, LLC | 2,137 | $42.0K | 0.00% | +2,137 | New |
| Rokos Capital Management LLP | 5,000 | $97.0K | 0.00% | +5,000 | New |
| Morgan Stanley | 8,900 | $175.0K | 0.00% | +8,900 | New |
| Teacher Retirement System of Texas | 10,000 | $197.0K | 0.00% | +10,000 | New |
| Gilder Gagnon Howe & Co LLC | 12,000 | $236.0K | 0.00% | +12,000 | New |
| Carmignac Gestion | 12,000 | $236.0K | 0.00% | +12,000 | New |
| Point72 Asset Management, L.P. | 12,174 | $240.0K | 0.00% | +12,174 | New |
| Federated Hermes, Inc. | 15,000 | $296.0K | 0.00% | +15,000 | New |
| Pentwater Capital Management LP | 17,000 | $335.0K | 0.00% | +17,000 | New |
| Man Group plc | 24,800 | $489.0K | 0.00% | +24,800 | New |
| Citigroup Inc | 27,919 | $550.0K | 0.00% | +27,919 | New |
| Phoenix Holdings Ltd. | 30,000 | $591.0K | 0.01% | +30,000 | New |
| Noked Capital LTD | 30,000 | $591.0K | 0.15% | +30,000 | New |
| Noked Israel Ltd | 30,000 | $591.0K | 0.15% | +30,000 | New |
| Norges Bank | 35,000 | $690.0K | 0.00% | +35,000 | New |
| Laurion Capital Management LP | 35,000 | $690.0K | 0.01% | +35,000 | New |
| Alyeska Investment Group, L.P. | 35,000 | $690.0K | 0.01% | +35,000 | New |
| Squarepoint Ops LLC | 40,000 | $788.0K | 0.01% | +40,000 | New |
| Arena Capital Advisors, LLC- CA | 40,000 | $788.0K | 0.07% | +40,000 | New |
| HBK Investments L P | 50,000 | $985.0K | 0.01% | +50,000 | New |
| Balyasny Asset Management LLC | 60,000 | $1.18M | 0.01% | +60,000 | New |
| Walleye Capital LLC | 63,874 | $1.26M | 0.05% | +63,874 | New |
| Caas Capital Management LP | 75,000 | $1.48M | 0.08% | +75,000 | New |
| Zimmer Partners, LP | 100,000 | $1.97M | 0.03% | +100,000 | New |
| Davidson Kempner Capital Management LP | 100,000 | $1.97M | 0.02% | +100,000 | New |
| Woodline Partners LP | 104,000 | $2.05M | 0.04% | +104,000 | New |
| Citadel Advisors LLC | 119,100 | $2.35M | 0.00% | +119,100 | New |
| Marshall Wace, LLP | 133,439 | $2.63M | 0.01% | +133,439 | New |
| Holocene Advisors, LP | 150,000 | $2.96M | 0.02% | +150,000 | New |
| Tudor Investment Corp Et Al | 218,956 | $4.31M | 0.09% | +218,956 | New |
| Macquarie Group Ltd | 220,233 | $4.34M | 0.00% | +220,233 | New |
| Ghisallo Capital Management LLC | 230,734 | $4.54M | 0.17% | +230,734 | New |
| Millennium Management LLC | 417,776 | $8.23M | 0.01% | +417,776 | New |
| Bamco Inc | 517,962 | $10.2M | 0.02% | +517,962 | New |
| Capital Research Global Investors | 571,900 | $11.3M | 0.00% | +571,900 | New |
| Migdal Insurance & Financial Holdings Ltd. | 650,487 | $12.8M | 0.13% | +650,487 | New |
| BlackRock Inc. | 699,967 | $13.8M | 0.00% | +699,967 | New |
| FMR LLC | 700,195 | $13.8M | 0.00% | +700,195 | New |
| Luminus Management LLC | 808,015 | $15.9M | 2.45% | +808,015 | New |
| Ion Asset Management Ltd. | 1,051,753 | $20.7M | 2.55% | +1,051,753 | New |
| Alpha Family Trust | 1,686,832 | $33.2M | 10.46% | +1,686,832 | New |
| ION Crossover Partners Ltd | 5,772,183 | $113.7M | 27.60% | +5,772,183 | New |