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 |
|---|---|---|---|---|---|
| FMR LLC | 6 | $53 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 100 | $880 | 0.00% | +100 | New |
| Tower Research Capital LLC (TRC) | 100 | $884 | 0.00% | +65+185.7% | Added |
| GWM Advisors LLC | 109 | $964 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 198 | $1.75K | 0.00% | −968−83.0% | Reduced |
| Wells Fargo & Company | 258 | $2.28K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 350 | $3.09K | 0.00% | +350 | New |
| Signaturefd, LLC | 550 | $4.86K | 0.00% | +550 | New |
| Citigroup Inc | 1,215 | $10.7K | 0.00% | −150−11.0% | Reduced |
| Simplex Trading, LLC | 1,396 | $12.0K | 0.00% | +1,396 | New |
| nVerses Capital, LLC | 1,900 | $16.8K | 0.01% | +1,900 | New |
| Quarry LP | 1,998 | $17.7K | 0.01% | +1,998 | New |
| Royal Bank of Canada | 2,000 | $18.0K | 0.00% | +1,401+233.9% | Added |
| Covestor Ltd | 3,616 | $32.0K | 0.02% | −921−20.3% | Reduced |
| Deutsche Bank AG | 5,667 | $50.1K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 7,847 | $69.4K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 7,900 | $69.8K | 0.00% | +7,900 | New |
| Quantbot Technologies LP | 8,537 | $75.5K | 0.00% | +8,537 | New |
| Geode Capital Management, LLC | 10,022 | $88.6K | 0.00% | +10,022 | New |
| Antipodes Partners Ltd | 10,624 | $93.9K | 0.00% | −956−8.3% | Reduced |
| Meitav Dash Investments Ltd | 10,976 | $103.8K | 0.00% | −10,824−49.7% | Reduced |
| Engineers Gate Manager LP | 12,196 | $107.8K | 0.00% | +12,196 | New |
| Northern Trust Corp | 12,332 | $109.0K | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 13,785 | $121.9K | 0.00% | +13,785 | New |
| Barclays PLC | 15,414 | $136.3K | 0.00% | +10,293+201.0% | Added |
| UBS Asset Management Americas Inc | 15,912 | $140.7K | 0.00% | −3,138−16.5% | Reduced |
| Verition Fund Management LLC | 18,100 | $160.0K | 0.00% | +18,100 | New |
| Federation des caisses Desjardins du Quebec | 20,227 | $178.6K | 0.00% | +12,362+157.2% | Added |
| State of Wyoming | 23,416 | $207.0K | 0.03% | +23,416 | New |
| ExodusPoint Capital Management, LP | 23,405 | $207.0K | 0.00% | +23,405 | New |
| Centiva Capital, LP | 24,024 | $212.4K | 0.01% | +24,024 | New |
| Vanguard Group Inc | 25,160 | $222.4K | 0.00% | 00.0% | Unchanged |
| Blair William & Co | 25,179 | $222.6K | 0.00% | +3,607+16.7% | Added |
| Legal & General Group Plc | 26,253 | $232.1K | 0.00% | +200+0.8% | Added |
| California State Teachers Retirement System | 28,113 | $248.5K | 0.00% | −792−2.7% | Reduced |
| Occudo Quantitative Strategies LP | 29,326 | $259.2K | 0.05% | +16,696+132.2% | Added |
| Corton Capital Inc. | 29,623 | $261.9K | 0.13% | +1,267+4.5% | Added |
| Two Sigma Advisers, LP | 30,900 | $273.2K | 0.00% | +6,800+28.2% | Added |
| Jump Financial, LLC | 31,854 | $281.6K | 0.01% | +19,845+165.3% | Added |
| Pathstone Holdings, LLC | 33,010 | $291.8K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 45,247 | $400.0K | 0.03% | −7,313−13.9% | Reduced |
| CenterBook Partners LP | 50,589 | $447.2K | 0.03% | +50,589 | New |
| XTX Topco Ltd | 53,980 | $477.2K | 0.03% | +4,453+9.0% | Added |
| Cresset Asset Management, LLC | 54,337 | $480.3K | 0.00% | −9,641−15.1% | Reduced |
| Quadrature Capital Ltd | 57,569 | $508.3K | 0.01% | −19,595−25.4% | Reduced |
| Lazard Asset Management LLC | 62,133 | $549.0K | 0.00% | +62,133 | New |
| Swiss National Bank | 63,074 | $557.6K | 0.00% | +9,100+16.9% | Added |
| Calamos Advisors LLC | 69,192 | $611.7K | 0.00% | −21,986−24.1% | Reduced |
| Hudson Bay Capital Management LP | 75,305 | $665.7K | 0.00% | +75,305 | New |
| UBS Group AG | 85,519 | $756.0K | 0.00% | +45,061+111.4% | Added |
| Numerai GP LLC | 86,974 | $768.9K | 0.20% | +86,974 | New |
| Cubist Systematic Strategies, LLC | 92,935 | $821.5K | 0.01% | +41,663+81.3% | Added |
| CWM Advisors, LLC | 100,265 | $886.3K | 0.09% | +100,265 | New |
| Legato Capital Management LLC | 102,987 | $910.4K | 0.11% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 106,607 | $942.4K | 0.01% | +9,555+9.8% | Added |
| Bank of America Corp | 113,016 | $999.1K | 0.00% | +62,088+121.9% | Added |
| Goldman Sachs Group Inc | 119,146 | $1.05M | 0.00% | +101,646+580.8% | Added |
| Squarepoint Ops LLC | 120,390 | $1.06M | 0.00% | +69,062+134.6% | Added |
| Arrowstreet Capital, Limited Partnership | 120,999 | $1.07M | 0.00% | +120,999 | New |
| Atom Investors LP | 143,942 | $1.27M | 0.13% | +41,935+41.1% | Added |
| Trexquant Investment LP | 148,441 | $1.31M | 0.02% | +53,614+56.5% | Added |
| Old Well Partners, LLC | 156,419 | $1.38M | 2.99% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 171,236 | $1.51M | 0.00% | +60,399+54.5% | Added |
| JPMorgan Chase & Co | 171,539 | $1.52M | 0.00% | +102,192+147.4% | Added |
| Morgan Stanley | 175,955 | $1.56M | 0.00% | +53,443+43.6% | Added |
| State Street Corp | 187,919 | $1.66M | 0.00% | +46,102+32.5% | Added |
| D. E. Shaw & Co., Inc. | 189,040 | $1.67M | 0.00% | +88,358+87.8% | Added |
| Russell Investments Group, Ltd. | 214,566 | $1.90M | 0.00% | −95,551−30.8% | Reduced |
| Ghisallo Capital Management LLC | 252,842 | $2.24M | 0.11% | +252,842 | New |
| Ceera Investments, LLC | 259,827 | $2.30M | 0.87% | 00.0% | Unchanged |
| ARK Investment Management LLCSuperinvestorARK Invest | 276,097 | $2.44M | 0.02% | −11,488−4.0% | Reduced |
| Next Century Growth Investors LLC | 283,336 | $2.50M | 0.20% | +283,336 | New |
| Marshall Wace, LLP | 292,222 | $2.58M | 0.00% | +211,804+263.4% | Added |
| Essex Investment Management Co LLC | 305,349 | $2.70M | 0.47% | +805+0.3% | Added |
| 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 |
| Nuveen Asset Management, LLC | 343,478 | $3.04M | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 354,653 | $3.14M | 0.03% | +190,380+115.9% | Added |
| P.A.W. Capital Corp | 400,000 | $3.54M | 7.97% | +400,000 | New |
| BlackRock, Inc. | 429,891 | $3.80M | 0.00% | +429,891 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 449,896 | $3.98M | 0.02% | +238,428+112.7% | Added |
| Millennium Management LLC | 542,282 | $4.79M | 0.00% | +280,774+107.4% | Added |
| Acadian Asset Management LLC | 858,184 | $7.57M | 0.02% | +415,267+93.8% | Added |
| Scalar Gauge Management, LLC | 863,923 | $7.64M | 4.05% | +270,000+45.5% | Added |
| S Squared Technology, LLC | 1,028,017 | $9.09M | 3.88% | +487,807+90.3% | Added |
| Y.D. More Investments Ltd | 1,363,134 | $12.1M | 1.26% | +48,871+3.7% | Added |
| Alpha Family Trust | 1,648,715 | $14.6M | 8.14% | −33,062−2.0% | Reduced |
| Citadel Advisors LLC | 1,680,935 | $14.9M | 0.02% | +1,571,630+1,437.8% | Added |
| Menora Mivtachim Holdings Ltd. | 1,686,470 | $14.9M | 0.09% | +623,062+58.6% | Added |
| Migdal Insurance & Financial Holdings Ltd. | 1,712,557 | $15.1M | 0.24% | −253,511−12.9% | Reduced |
| Ulysses Management LLC | 2,283,228 | $20.2M | 4.63% | 00.0% | Unchanged |
| Phoenix Holdings Ltd. | 2,559,503 | $22.6M | 0.33% | −340,931−11.8% | Reduced |
| Naspers Ltd | 11,173,265 | $98.8M | 12.77% | 00.0% | Unchanged |
| Viola Ventures V.C. Management 4 Ltd. | 11,230,787 | $99.3M | 36.66% | 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 |