SimilarwebSMWB
13F holders, Q2 2026 (June 30)69holders −11
16new positions
27sold out
5famous investors
$6.13avg. 13F price*
At the end of Q2 2026, 69 institutions reported holding Similarweb Ltd. (SMWB) in their 13F filings, down 11 from Q1 2026. 16 opened new positions and 27 sold out. The largest holders were Naspers Ltd. ($68.5M), Menora Mivtachim Holdings LTD. ($24.6M) and Wellington Management Group LLP ($22.2M). 5 famous investors held it, including Cathie Wood (0.0% of ARK Investment Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Similarweb Ltd.
- CUSIP
- M84137104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 16 | $7.3M |
| Exits | 27 | $7.5M |
All 13F filers, Q1 2026 → Q2 2026: 4,703,881 shares bought and 6,895,532 shares sold, net −2,191,651 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 69 holders
| Naspers Ltd. | 81.19% | No change | 11,173,265 | $68.5M |
| Menora Mivtachim Holdings LTD. | 0.10% | No change | 4,015,494 | $24.6M |
| Wellington Management Group LLP | 0.00% | Add +22.2% | 3,624,685 | $22.2M |
| ION Crossover Partners Ltd | 24.88% | No change | 3,030,826 | $18.6M |
| Ulysses Management LLC | 6.21% | Reduce -2.3% | 2,928,474 | $18.0M |
| S Squared Technology, LLC | 3.21% | Add +5.6% | 1,690,000 | $10.4M |
| Schonfeld Strategic Advisors LLC | 0.04% | Add +318.6% | 1,210,629 | $7.4M |
| Y.D. More Investments Ltd | 0.22% | Reduce -0.4% | 1,147,035 | $7.0M |
| ARK Investment Management | 0.03% | Add +137.1% | 834,663 | $5.1M |
| Renaissance Technologies | 0.01% | Reduce -3.5% | 713,728 | $4.4M |
| CDC Financial, Inc. | 3.18% | Add +5.5% | 674,233 | $4.1M |
| Alpha Family Trust | 1.62% | No change | 658,935 | $4.0M |
| Nano Cap New Millennium Growth Fund L P | 3.06% | Add +66.7% | 650,000 | $4.0M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.54% | No change | 645,465 | $4.0M |
| P.A.W. Capital Corp. | 3.00% | Add +28.0% | 640,000 | $3.9M |
| Sphera Management Technology Funds Ltd | 1.32% | No change | 615,000 | $3.8M |
| CenterBook Partners LP | 0.18% | Reduce -54.7% | 599,737 | $3.7M |
| Lotus Technology Management, LP | 4.18% | New | 531,409 | $3.4M |
| Jane Street Group, LLC | 0.00% | Add +121.9% | 513,277 | $3.1M |
| PEAK6 LLC | 0.07% | Add +51.0% | 484,822 | $3.0M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -16.5% | 445,691 | $2.7M |
| UBS Group AG | 0.00% | Add +103.1% | 403,328 | $2.5M |
| Citadel Advisors | 0.00% | Reduce -27.2% | 346,735 | $2.1M |
| Morgan Stanley | 0.00% | Reduce -54.7% | 268,203 | $1.6M |
| Lavelle Capital LP | 0.63% | No change | 202,727 | $1.2M |
| Persistent Asset Partners Ltd | 0.35% | No change | 180,000 | $1.1M |
| Susquehanna Fundamental Investments, LLC | 0.02% | Add +35.2% | 169,885 | $1.0M |
| D. E. Shaw & Co. | 0.00% | Add +173.2% | 159,935 | $980K |
| ANTIPODES PARTNERS Ltd | 0.02% | New | 145,601 | $893K |
| Susquehanna International Group, LLP | 0.00% | New | 138,417 | $848K |
| BlackRock, Inc. | 0.00% | Add +4.7% | 133,533 | $819K |
| Two Sigma Investments, LP | 0.00% | Add +64.2% | 129,851 | $796K |
| MYDA Advisors LLC | 0.15% | New | 100,000 | $613K |
| Pathstone Holdings, LLC | 0.00% | Add +97.2% | 99,390 | $609K |
| Gsa Capital Partners LLP | 0.04% | Reduce -37.0% | 95,899 | $588K |
| State of Wyoming | 0.05% | New | 88,458 | $542K |
| State Street Corp. | 0.00% | Reduce -29.6% | 77,054 | $472K |
| Quadrature Capital Ltd | 0.00% | Reduce -27.6% | 68,207 | $418K |
| Marshall Wace, LLP | 0.00% | Reduce -90.4% | 60,981 | $374K |
| Centiva Capital, LP | 0.01% | Reduce -23.6% | 45,919 | $281K |
| WealthTrust Axiom LLC | 0.06% | New | 44,565 | $273K |
| IMC-Chicago, LLC | 0.00% | New | 37,506 | $230K |
| Simplex Trading, LLC | 0.01% | Add +1038.6% | 33,066 | $203K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -92.3% | 31,847 | $195K |
| Lazard Asset Management LLC | 0.00% | Add +109.9% | 23,566 | $144K |
| SG Americas Securities, LLC | 0.00% | New | 22,064 | $135K |
| Millennium Management | 0.00% | Reduce -97.8% | 18,198 | $112K |
| Integrated Wealth Concepts LLC | 0.00% | New | 15,000 | $92K |
| R Squared Ltd | 0.04% | New | 11,256 | $69K |
| XTX Topco Ltd | 0.00% | Reduce -95.2% | 10,906 | $67K |
| Prelude Capital Management, LLC | 0.00% | New | 10,411 | $64K |
| PharVision Advisers, LLC | 1.20% | Reduce -45.2% | 10,368 | $64K |
| Olympiad Research LP | 0.13% | New | 10,337 | $63K |
| Cresset Asset Management, LLC | 0.00% | No change | 10,144 | $62K |
| Marathon Capital Management | 0.01% | New | 10,000 | $61K |
| Wells Fargo & Company | 0.00% | Add +12.2% | 9,200 | $56K |
| Citigroup Inc. | 0.00% | Reduce -93.2% | 7,511 | $46K |
| Acadian Asset Management LLC | 0.00% | Reduce -98.3% | 6,750 | $41K |
| Royal Bank of Canada | 0.00% | Add +2850.0% | 5,900 | $36K |
| SBI Securities Co., Ltd. | 0.00% | No change | 1,024 | $6K |
| Barclays PLC | 0.00% | Reduce -93.5% | 690 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 399 | $2K |
| Osaic Holdings, Inc. | 0.00% | No change | 300 | $2K |
| Quarry LP | 0.00% | New | 149 | $913 |
| Jones Financial Companies LLLP | 0.00% | No change | 100 | $560 |
| Smartleaf Asset Management LLC | 0.00% | No change | 29 | $179 |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -95.5% | 11 | $67 |
| FMR LLC | 0.00% | No change | 6 | $37 |
| Farther Finance Advisors, LLC | 0.00% | New | 3 | $16 |
"% of holder's portfolio" is SMWB's weight in each manager's 13F, not the share of Similarweb Ltd. the manager owns.