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, Q1 2022
Institutional positions in Similarweb Ltd. as of Mar 31, 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
- 43
- −2 vs. Q4 2021
- Shares held
- 28.3M
- +363.2K (+1.3%) vs. Q4 2021
- Total value
- $366.7M
- −$133.9M (−26.7%) vs. Q4 2021
- New holders
- 6
- 13 more added
- Sold out
- 8
- 14 more reduced
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 169 | $2.00K | 0.00% | +169 | New |
| FMR LLC | 208 | $3.00K | 0.00% | −432,758−100.0% | Reduced |
| JPMorgan Chase & Co | 300 | $4.00K | 0.00% | −7,321−96.1% | Reduced |
| Signaturefd, LLC | 447 | $6.00K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 4,500 | $58.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 6,884 | $89.0K | 0.00% | −1,827−21.0% | Reduced |
| Walleye Trading LLC | 9,193 | $119.0K | 0.00% | +9,193 | New |
| Chicago Capital, LLC | 10,819 | $140.0K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 11,141 | $144.0K | 0.00% | +9,400+539.9% | Added |
| Occudo Quantitative Strategies LP | 12,153 | $157.0K | 0.01% | +12,153 | New |
| RBF Capital, LLC | 12,000 | $158.0K | 0.01% | +12,000 | New |
| CAPROCK Group, Inc. | 12,500 | $162.0K | 0.02% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 12,759 | $165.0K | 0.01% | +12,759 | New |
| Susquehanna International Group, LLP | 13,993 | $181.0K | 0.00% | −5,497−28.2% | Reduced |
| Morgan Stanley | 14,997 | $194.0K | 0.00% | +3,797+33.9% | Added |
| Yarbrough Capital, LLC | 20,783 | $269.0K | 0.02% | +3,583+20.8% | Added |
| ETF Managers Group, LLC | 20,735 | $274.0K | 0.01% | −1,624−7.3% | Reduced |
| Bank of America Corp | 36,822 | $477.0K | 0.00% | +10,503+39.9% | Added |
| Sage Rhino Capital LLC | 49,116 | $636.0K | 0.19% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 64,200 | $831.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 72,928 | $945.0K | 0.00% | +4,026+5.8% | Added |
| Arena Capital Advisors, LLC- CA | 98,235 | $1.27M | 0.19% | +38,235+63.7% | Added |
| Phoenix Holdings Ltd. | 109,953 | $1.42M | 0.02% | +51,775+89.0% | Added |
| Ghisallo Capital Management LLC | 115,000 | $1.49M | 0.16% | −115,734−50.2% | Reduced |
| Citadel Advisors LLC | 118,401 | $1.53M | 0.00% | −13,358−10.1% | Reduced |
| Tudor Investment Corp Et Al | 128,818 | $1.67M | 0.04% | −55,354−30.1% | Reduced |
| Marshall Wace, LLP | 140,517 | $1.82M | 0.00% | −3,736−2.6% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 159,540 | $2.07M | 0.01% | +6,672+4.4% | Added |
| Old Well Partners, LLC | 251,488 | $3.26M | 2.19% | +42,578+20.4% | Added |
| Blair William & Co | 309,863 | $4.01M | 0.01% | +1,502+0.5% | Added |
| Allspring Global Investments Holdings, LLC | 311,270 | $4.03M | 0.01% | −3,910−1.2% | Reduced |
| Premier Fund Managers Ltd | 342,796 | $4.53M | 0.16% | +342,796 | New |
| Macquarie Group Ltd | 398,165 | $5.16M | 0.00% | −206,747−34.2% | Reduced |
| BlackRock Inc. | 470,156 | $6.09M | 0.00% | −107,923−18.7% | Reduced |
| Meitav Dash Investments Ltd | 550,821 | $7.09M | 0.11% | +227,059+70.1% | Added |
| Millennium Management LLC | 937,421 | $12.1M | 0.01% | +324,290+52.9% | Added |
| Bamco Inc | 1,162,574 | $15.1M | 0.04% | −179,226−13.4% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 1,646,950 | $21.3M | 0.37% | −37,703−2.2% | Reduced |
| Alpha Family Trust | 1,681,777 | $21.8M | 8.84% | 00.0% | Unchanged |
| Ulysses Management LLC | 2,046,605 | $26.5M | 6.00% | +568,271+38.4% | Added |
| ION Crossover Partners Ltd | 5,772,183 | $74.8M | 33.36% | 00.0% | Unchanged |
| Naspers Ltd | 11,173,265 | $144.7M | 14.07% | 00.0% | Unchanged |
| Alpha Paradigm Partners, LLC | 0 | $0 | 0.00% | −32,594−100.0% | Sold out |
| Eagle Global Advisors LLC | 0 | $0 | 0.00% | −31,100−100.0% | Sold out |
| G2 Investment Partners Management LLC | 0 | $0 | 0.00% | −28,046−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −25,700−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,224−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −11,432−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −3,657−100.0% | Sold out |
| Amplius Wealth Advisors, LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |