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 2024
Institutional positions in Similarweb Ltd. as of Jun 30, 2024. 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
- 77
- +4 vs. Q1 2024
- Shares held
- 41.6M
- +400.4K (+1.0%) vs. Q1 2024
- Total value
- $323.3M
- −$47.2M (−12.8%) vs. Q1 2024
- New holders
- 10
- 28 more added
- Sold out
- 6
- 25 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viola Ventures V.C. Management 4 Ltd. | 11,230,787 | $87.3M | 33.28% | 00.0% | Unchanged |
| Naspers Ltd | 11,173,265 | $86.8M | 11.90% | 00.0% | Unchanged |
| Phoenix Holdings Ltd. | 2,900,434 | $22.5M | 0.34% | −636,498−18.0% | Reduced |
| Ulysses Management LLC | 2,283,228 | $17.7M | 4.26% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 1,966,068 | $15.3M | 0.26% | −141,473−6.7% | Reduced |
| Alpha Family Trust | 1,681,777 | $13.1M | 7.66% | 00.0% | Unchanged |
| Portolan Capital Management, LLC | 1,367,259 | $10.6M | 0.87% | −673,343−33.0% | Reduced |
| Y.D. More Investments Ltd | 1,314,263 | $10.2M | 1.04% | 00.0% | Unchanged |
| Menora Mivtachim Holdings Ltd. | 1,063,408 | $8.26M | 0.06% | +1,063,408 | New |
| Scalar Gauge Management, LLC | 593,923 | $4.61M | 2.69% | +215,221+56.8% | Added |
| S Squared Technology, LLC | 540,210 | $4.20M | 1.85% | +232,187+75.4% | Added |
| Acadian Asset Management LLC | 442,917 | $3.43M | 0.01% | +167,500+60.8% | Added |
| Nuveen Asset Management, LLC | 343,478 | $2.67M | 0.00% | +80,198+30.5% | Added |
| BlackRock Inc. | 334,885 | $2.60M | 0.00% | +73,023+27.9% | Added |
| Russell Investments Group, Ltd. | 310,117 | $2.41M | 0.00% | −3,201−1.0% | Reduced |
| Essex Investment Management Co LLC | 304,544 | $2.37M | 0.44% | +44,094+16.9% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 287,585 | $2.23M | 0.02% | −96,645−25.2% | Reduced |
| Millennium Management LLC | 261,508 | $2.03M | 0.00% | +28,264+12.1% | Added |
| Ceera Investments, LLC | 259,827 | $2.02M | 0.85% | +71,994+38.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 211,468 | $1.64M | 0.01% | +119,553+130.1% | Added |
| Walleye Capital LLC | 164,273 | $1.28M | 0.01% | −19,221−10.5% | Reduced |
| Old Well Partners, LLC | 156,419 | $1.22M | 1.43% | 00.0% | Unchanged |
| State Street Corp | 141,817 | $1.10M | 0.00% | +15,200+12.0% | Added |
| Morgan Stanley | 122,512 | $951.9K | 0.00% | +34,179+38.7% | Added |
| Two Sigma Investments, LP | 110,837 | $861.2K | 0.00% | −21,660−16.3% | Reduced |
| Renaissance Technologies LLC | 110,600 | $859.4K | 0.00% | +4,599+4.3% | Added |
| Citadel Advisors LLC | 109,305 | $849.3K | 0.00% | +92,109+535.6% | Added |
| Legato Capital Management LLC | 102,987 | $800.2K | 0.11% | +4,455+4.5% | Added |
| Atom Investors LP | 102,007 | $792.6K | 0.08% | +48,108+89.3% | Added |
| D. E. Shaw & Co., Inc. | 100,682 | $782.3K | 0.00% | +9,293+10.2% | Added |
| Oppenheimer & Co Inc | 97,052 | $754.1K | 0.01% | +24,412+33.6% | Added |
| Ameriprise Financial Inc | 95,443 | $741.6K | 0.00% | −17,650−15.6% | Reduced |
| Trexquant Investment LP | 94,827 | $736.8K | 0.01% | +60,997+180.3% | Added |
| Calamos Advisors LLC | 91,178 | $708.5K | 0.00% | −7,707−7.8% | Reduced |
| Marshall Wace, LLP | 80,418 | $624.8K | 0.00% | −46,661−36.7% | Reduced |
| Quadrature Capital Ltd | 77,164 | $597.2K | 0.01% | +42,571+123.1% | Added |
| JPMorgan Chase & Co | 69,347 | $538.8K | 0.00% | +47,686+220.1% | Added |
| B. Riley Asset Management, LLC | 68,036 | $528.6K | 0.27% | +68,036 | New |
| Cresset Asset Management, LLC | 63,978 | $497.1K | 0.00% | +63,978 | New |
| Swiss National Bank | 53,974 | $419.4K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 52,560 | $408.0K | 0.03% | −16,712−24.1% | Reduced |
| Squarepoint Ops LLC | 51,328 | $398.8K | 0.00% | −45,073−46.8% | Reduced |
| Cubist Systematic Strategies, LLC | 51,272 | $398.4K | 0.01% | +2,138+4.4% | Added |
| Bank of America Corp | 50,928 | $395.7K | 0.00% | −3,560−6.5% | Reduced |
| XTX Topco Ltd | 49,527 | $384.8K | 0.03% | +19,313+63.9% | Added |
| Premier Fund Managers Ltd | 44,517 | $341.0K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 40,458 | $314.4K | 0.00% | −29,684−42.3% | Reduced |
| Boothbay Fund Management, LLC | 33,859 | $263.1K | 0.01% | +33,859 | New |
| Pathstone Holdings, LLC | 33,010 | $256.5K | 0.00% | −1,990−5.7% | Reduced |
| California State Teachers Retirement System | 28,905 | $224.6K | 0.00% | +2,013+7.5% | Added |
| Corton Capital Inc. | 28,356 | $220.3K | 0.12% | +8,104+40.0% | Added |
| Legal & General Group Plc | 26,053 | $202.4K | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 25,160 | $195.5K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 24,100 | $187.3K | 0.00% | −30,300−55.7% | Reduced |
| Meitav Dash Investments Ltd | 21,800 | $168.0K | 0.00% | −3,200−12.8% | Reduced |
| Blair William & Co | 21,572 | $167.6K | 0.00% | −90−0.4% | Reduced |
| UBS Asset Management Americas Inc | 19,050 | $148.0K | 0.00% | +19,050 | New |
| Goldman Sachs Group Inc | 17,500 | $136.0K | 0.00% | +17,500 | New |
| Qube Research & Technologies Ltd | 16,353 | $127.1K | 0.00% | +14,758+925.3% | Added |
| Occudo Quantitative Strategies LP | 12,630 | $98.1K | 0.02% | −13,343−51.4% | Reduced |
| Northern Trust Corp | 12,332 | $95.8K | 0.00% | +12,332 | New |
| Jump Financial, LLC | 12,009 | $93.3K | 0.00% | −18,091−60.1% | Reduced |
| Antipodes Partners Ltd | 11,580 | $90.0K | 0.00% | +6,376+122.5% | Added |
| Jane Street Group, LLC | 10,690 | $83.1K | 0.00% | −10,233−48.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 7,865 | $61.1K | 0.00% | +7,865 | New |
| State of Tennessee, Treasury Department | 7,847 | $61.0K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 5,667 | $44.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 5,121 | $39.8K | 0.00% | −4,669−47.7% | Reduced |
| Covestor Ltd | 4,537 | $35.0K | 0.02% | +4,537 | New |
| Citigroup Inc | 1,365 | $10.6K | 0.00% | +94+7.4% | Added |
| Advisor Group Holdings, Inc. | 1,166 | $9.06K | 0.00% | +1,166 | New |
| Harel Insurance Investments & Financial Services Ltd. | 663 | $5.00K | 0.00% | −477−41.8% | Reduced |
| Royal Bank of Canada | 599 | $5.00K | 0.00% | +225+60.2% | Added |
| Wells Fargo & Company | 258 | $2.00K | 0.00% | −561−68.5% | Reduced |
| GWM Advisors LLC | 109 | $847 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 35 | $272 | 0.00% | −382−91.6% | Reduced |
| FMR LLC | 6 | $47 | 0.00% | 00.0% | Unchanged |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −272,092−100.0% | Sold out |
| Circumference Group LLC | 0 | $0 | 0.00% | −109,461−100.0% | Sold out |
| Horrell Capital Management, Inc. | 0 | $0 | 0.00% | −109,461−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −15,102−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −10,700−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −718−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |