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, Q3 2024
Institutional positions in Similarweb Ltd. as of Sep 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
- 94
- +18 vs. Q2 2024
- Shares held
- 46.6M
- +5.30M (+12.8%) vs. Q2 2024
- Total value
- $411.8M
- +$91.0M (+28.4%) vs. Q2 2024
- New holders
- 26
- 37 more added
- Sold out
- 8
- 16 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Similarweb Ltd.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viola Ventures V.C. Management 4 Ltd. | 11,230,787 | $99.3M | 36.66% | 00.0% | Unchanged |
| Naspers Ltd | 11,173,265 | $98.8M | 12.77% | 00.0% | Unchanged |
| Phoenix Holdings Ltd. | 2,559,503 | $22.6M | 0.33% | −340,931−11.8% | Reduced |
| Ulysses Management LLC | 2,283,228 | $20.2M | 4.63% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 1,712,557 | $15.1M | 0.24% | −253,511−12.9% | Reduced |
| Menora Mivtachim Holdings Ltd. | 1,686,470 | $14.9M | 0.09% | +623,062+58.6% | Added |
| Citadel Advisors LLC | 1,680,935 | $14.9M | 0.02% | +1,571,630+1,437.8% | Added |
| Alpha Family Trust | 1,648,715 | $14.6M | 8.14% | −33,062−2.0% | Reduced |
| Y.D. More Investments Ltd | 1,363,134 | $12.1M | 1.26% | +48,871+3.7% | Added |
| S Squared Technology, LLC | 1,028,017 | $9.09M | 3.88% | +487,807+90.3% | Added |
| Scalar Gauge Management, LLC | 863,923 | $7.64M | 4.05% | +270,000+45.5% | Added |
| Acadian Asset Management LLC | 858,184 | $7.57M | 0.02% | +415,267+93.8% | Added |
| Millennium Management LLC | 542,282 | $4.79M | 0.00% | +280,774+107.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 449,896 | $3.98M | 0.02% | +238,428+112.7% | Added |
| BlackRock, Inc. | 429,891 | $3.80M | 0.00% | +429,891 | New |
| P.A.W. Capital Corp | 400,000 | $3.54M | 7.97% | +400,000 | New |
| Walleye Capital LLC | 354,653 | $3.14M | 0.03% | +190,380+115.9% | Added |
| Nuveen Asset Management, LLC | 343,478 | $3.04M | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 325,000 | $2.87M | 0.00% | +214,400+193.9% | Added |
| Alyeska Investment Group, L.P. | 325,000 | $2.87M | 0.01% | +325,000 | New |
| Essex Investment Management Co LLC | 305,349 | $2.70M | 0.47% | +805+0.3% | Added |
| Marshall Wace, LLP | 292,222 | $2.58M | 0.00% | +211,804+263.4% | Added |
| Next Century Growth Investors LLC | 283,336 | $2.50M | 0.20% | +283,336 | New |
| ARK Investment Management LLCSuperinvestorARK Invest | 276,097 | $2.44M | 0.02% | −11,488−4.0% | Reduced |
| Ceera Investments, LLC | 259,827 | $2.30M | 0.87% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 252,842 | $2.24M | 0.11% | +252,842 | New |
| Russell Investments Group, Ltd. | 214,566 | $1.90M | 0.00% | −95,551−30.8% | Reduced |
| D. E. Shaw & Co., Inc. | 189,040 | $1.67M | 0.00% | +88,358+87.8% | Added |
| State Street Corp | 187,919 | $1.66M | 0.00% | +46,102+32.5% | Added |
| Morgan Stanley | 175,955 | $1.56M | 0.00% | +53,443+43.6% | Added |
| JPMorgan Chase & Co | 171,539 | $1.52M | 0.00% | +102,192+147.4% | Added |
| Two Sigma Investments, LP | 171,236 | $1.51M | 0.00% | +60,399+54.5% | Added |
| Old Well Partners, LLC | 156,419 | $1.38M | 2.99% | 00.0% | Unchanged |
| Trexquant Investment LP | 148,441 | $1.31M | 0.02% | +53,614+56.5% | Added |
| Atom Investors LP | 143,942 | $1.27M | 0.13% | +41,935+41.1% | Added |
| Arrowstreet Capital, Limited Partnership | 120,999 | $1.07M | 0.00% | +120,999 | New |
| Squarepoint Ops LLC | 120,390 | $1.06M | 0.00% | +69,062+134.6% | Added |
| Goldman Sachs Group Inc | 119,146 | $1.05M | 0.00% | +101,646+580.8% | Added |
| Bank of America Corp | 113,016 | $999.1K | 0.00% | +62,088+121.9% | Added |
| Oppenheimer & Co Inc | 106,607 | $942.4K | 0.01% | +9,555+9.8% | Added |
| Legato Capital Management LLC | 102,987 | $910.4K | 0.11% | 00.0% | Unchanged |
| CWM Advisors, LLC | 100,265 | $886.3K | 0.09% | +100,265 | New |
| Cubist Systematic Strategies, LLC | 92,935 | $821.5K | 0.01% | +41,663+81.3% | Added |
| Numerai GP LLC | 86,974 | $768.9K | 0.20% | +86,974 | New |
| UBS Group AG | 85,519 | $756.0K | 0.00% | +45,061+111.4% | Added |
| Hudson Bay Capital Management LP | 75,305 | $665.7K | 0.00% | +75,305 | New |
| Calamos Advisors LLC | 69,192 | $611.7K | 0.00% | −21,986−24.1% | Reduced |
| Swiss National Bank | 63,074 | $557.6K | 0.00% | +9,100+16.9% | Added |
| Lazard Asset Management LLC | 62,133 | $549.0K | 0.00% | +62,133 | New |
| Quadrature Capital Ltd | 57,569 | $508.3K | 0.01% | −19,595−25.4% | Reduced |
| Cresset Asset Management, LLC | 54,337 | $480.3K | 0.00% | −9,641−15.1% | Reduced |
| XTX Topco Ltd | 53,980 | $477.2K | 0.03% | +4,453+9.0% | Added |
| CenterBook Partners LP | 50,589 | $447.2K | 0.03% | +50,589 | New |
| Gsa Capital Partners LLP | 45,247 | $400.0K | 0.03% | −7,313−13.9% | Reduced |
| Pathstone Holdings, LLC | 33,010 | $291.8K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 31,854 | $281.6K | 0.01% | +19,845+165.3% | Added |
| Two Sigma Advisers, LP | 30,900 | $273.2K | 0.00% | +6,800+28.2% | Added |
| Corton Capital Inc. | 29,623 | $261.9K | 0.13% | +1,267+4.5% | Added |
| Occudo Quantitative Strategies LP | 29,326 | $259.2K | 0.05% | +16,696+132.2% | Added |
| California State Teachers Retirement System | 28,113 | $248.5K | 0.00% | −792−2.7% | Reduced |
| Legal & General Group Plc | 26,253 | $232.1K | 0.00% | +200+0.8% | Added |
| Blair William & Co | 25,179 | $222.6K | 0.00% | +3,607+16.7% | Added |
| Vanguard Group Inc | 25,160 | $222.4K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 24,024 | $212.4K | 0.01% | +24,024 | New |
| ExodusPoint Capital Management, LP | 23,405 | $207.0K | 0.00% | +23,405 | New |
| State of Wyoming | 23,416 | $207.0K | 0.03% | +23,416 | New |
| Federation des caisses Desjardins du Quebec | 20,227 | $178.6K | 0.00% | +12,362+157.2% | Added |
| Verition Fund Management LLC | 18,100 | $160.0K | 0.00% | +18,100 | New |
| UBS Asset Management Americas Inc | 15,912 | $140.7K | 0.00% | −3,138−16.5% | Reduced |
| Barclays PLC | 15,414 | $136.3K | 0.00% | +10,293+201.0% | Added |
| State of New Jersey Common Pension Fund D | 13,785 | $121.9K | 0.00% | +13,785 | New |
| Northern Trust Corp | 12,332 | $109.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 12,196 | $107.8K | 0.00% | +12,196 | New |
| Meitav Dash Investments Ltd | 10,976 | $103.8K | 0.00% | −10,824−49.7% | Reduced |
| Antipodes Partners Ltd | 10,624 | $93.9K | 0.00% | −956−8.3% | Reduced |
| Geode Capital Management, LLC | 10,022 | $88.6K | 0.00% | +10,022 | New |
| Quantbot Technologies LP | 8,537 | $75.5K | 0.00% | +8,537 | New |
| Public Employees Retirement System of Ohio | 7,900 | $69.8K | 0.00% | +7,900 | New |
| State of Tennessee, Treasury Department | 7,847 | $69.4K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 5,667 | $50.1K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 3,616 | $32.0K | 0.02% | −921−20.3% | Reduced |
| Royal Bank of Canada | 2,000 | $18.0K | 0.00% | +1,401+233.9% | Added |
| Quarry LP | 1,998 | $17.7K | 0.01% | +1,998 | New |
| nVerses Capital, LLC | 1,900 | $16.8K | 0.01% | +1,900 | New |
| Simplex Trading, LLC | 1,396 | $12.0K | 0.00% | +1,396 | New |
| Citigroup Inc | 1,215 | $10.7K | 0.00% | −150−11.0% | Reduced |
| Signaturefd, LLC | 550 | $4.86K | 0.00% | +550 | New |
| MCF Advisors LLC | 350 | $3.09K | 0.00% | +350 | New |
| Wells Fargo & Company | 258 | $2.28K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 198 | $1.75K | 0.00% | −968−83.0% | Reduced |
| GWM Advisors LLC | 109 | $964 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 100 | $884 | 0.00% | +65+185.7% | Added |
| Jones Financial Companies LLLP | 100 | $880 | 0.00% | +100 | New |
| FMR LLC | 6 | $53 | 0.00% | 00.0% | Unchanged |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −1,367,259−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −95,443−100.0% | Sold out |
| B. Riley Asset Management, LLC | 0 | $0 | 0.00% | −68,036−100.0% | Sold out |
| Premier Fund Managers Ltd | 0 | $0 | 0.00% | −44,517−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −33,859−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −16,353−100.0% | Sold out |