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 2023
Institutional positions in Similarweb Ltd. as of Jun 30, 2023. 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
- 49
- +7 vs. Q1 2023
- Shares held
- 39.3M
- −1.27M (−3.1%) vs. Q1 2023
- Total value
- $257.8M
- −$16.4M (−6.0%) vs. Q1 2023
- New holders
- 9
- 12 more added
- Sold out
- 2
- 16 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 6 | $39 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 192 | $1.00K | 0.00% | −240−55.6% | Reduced |
| Simplex Trading, LLC | 292 | $1.00K | 0.00% | +292 | New |
| JPMorgan Chase & Co | 300 | $1.97K | 0.00% | −386−56.3% | Reduced |
| Signaturefd, LLC | 447 | $2.93K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 593 | $3.89K | 0.00% | +593 | New |
| Harel Insurance Investments & Financial Services Ltd. | 2,043 | $13.0K | 0.00% | −1,167−36.4% | Reduced |
| Wells Fargo & Company | 3,138 | $20.6K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 3,411 | $22.4K | 0.00% | +2,079+156.1% | Added |
| Citigroup Inc | 3,481 | $22.8K | 0.00% | −268−7.1% | Reduced |
| PDT Partners, LLC | 10,237 | $67.2K | 0.01% | −4,019−28.2% | Reduced |
| Delphia (USA) Inc. | 10,509 | $68.9K | 0.11% | +10,509 | New |
| Occudo Quantitative Strategies LP | 11,460 | $75.2K | 0.01% | +11,460 | New |
| Qube Research & Technologies Ltd | 11,746 | $77.1K | 0.00% | −1,871−13.7% | Reduced |
| Ergoteles LLC | 12,514 | $82.1K | 0.00% | −13,302−51.5% | Reduced |
| D. E. Shaw & Co., Inc. | 13,200 | $86.6K | 0.00% | +13,200 | New |
| Jump Financial, LLC | 13,200 | $86.6K | 0.00% | +13,200 | New |
| Lazard Asset Management LLC | 14,386 | $94.0K | 0.00% | +7,657+113.8% | Added |
| Goldman Sachs Group Inc | 14,907 | $97.8K | 0.00% | −18,631−55.6% | Reduced |
| Yarbrough Capital, LLC | 17,200 | $112.8K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 19,936 | $130.8K | 0.00% | −12,140−37.8% | Reduced |
| Corton Capital Inc. | 20,372 | $133.6K | 0.06% | +20,372 | New |
| Meitav Dash Investments Ltd | 25,000 | $162.2K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 24,747 | $162.3K | 0.00% | +1,081+4.6% | Added |
| Veritable, L.P. | 35,000 | $229.6K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 35,600 | $234.0K | 0.00% | +4,900+16.0% | Added |
| Venture Visionary Partners LLC | 38,050 | $249.6K | 0.01% | +38,050 | New |
| Bamco Inc | 52,958 | $347.4K | 0.00% | −677−1.3% | Reduced |
| Federated Hermes, Inc. | 55,000 | $360.8K | 0.00% | +15,000+37.5% | Added |
| Millennium Management LLC | 67,439 | $442.4K | 0.00% | +27,651+69.5% | Added |
| Squarepoint Ops LLC | 70,538 | $462.7K | 0.00% | +70,538 | New |
| Marshall Wace, LLP | 74,426 | $488.2K | 0.00% | +4,586+6.6% | Added |
| Premier Fund Managers Ltd | 83,335 | $540.0K | 0.02% | −182,520−68.7% | Reduced |
| Morgan Stanley | 82,468 | $541.0K | 0.00% | +14,086+20.6% | Added |
| Gsa Capital Partners LLP | 84,144 | $552.0K | 0.06% | +16,265+24.0% | Added |
| Horrell Capital Management, Inc. | 136,000 | $892.0K | 0.27% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 136,244 | $893.8K | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 181,021 | $1.19M | 0.00% | +55,285+44.0% | Added |
| Blair William & Co | 191,800 | $1.26M | 0.00% | −48,544−20.2% | Reduced |
| Old Well Partners, LLC | 263,657 | $1.73M | 1.56% | −2,700−1.0% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 356,572 | $2.34M | 0.02% | −38,918−9.8% | Reduced |
| Union Investments & Development Ltd. | 702,438 | $4.61M | 2.28% | −22,077−3.0% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 1,586,950 | $10.4M | 0.24% | 00.0% | Unchanged |
| Alpha Family Trust | 1,681,777 | $11.0M | 7.70% | 00.0% | Unchanged |
| Ulysses Management LLC | 2,283,228 | $15.0M | 3.85% | +15,961+0.7% | Added |
| Portolan Capital Management, LLC | 2,684,874 | $17.6M | 1.56% | +385,800+16.8% | Added |
| ION Crossover Partners Ltd | 5,772,183 | $37.9M | 86.00% | 00.0% | Unchanged |
| Naspers Ltd | 11,173,265 | $73.3M | 7.08% | 00.0% | Unchanged |
| Viola Ventures V.C. Management 4 Ltd. | 11,230,877 | $73.7M | 15.31% | −804,927−6.7% | Reduced |
| Phoenix Holdings Ltd. | 0 | $0 | 0.00% | −843,004−100.0% | Sold out |
| Stonebridge Capital Advisors LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |