SMWBNYSEServices-Computer Programming, Data Processing, Etc.Fiscal year ends December 31
SIMILARWEB LTD.
Financials through fiscal 2025, year ended Dec 31, 2025Last filing: 20-F on Mar 2, 2026
$8.65+0.30 (+3.59%)
Close on Oct 19, 2026
- Market cap
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- P/E (TTM)
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- Dividend yield
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Ownership
Who owns Similarweb's shares
Held by institutions
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Shares held, 13F filers
Institutional holders
–
Net institutional buying
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Insider trades, 12 months
7 buys · 28 sales
Net sold $15.51M
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Or Offer | 6,735,300 | 8.27% | 13G (passive) amendment | Dec 31, 2023 |
| Harel Beit-On | 10,810,778 | 13.20% | 13G (passive) amendment | Dec 31, 2024 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Or Offer | Chief Executive Officer | 3,930,481 | 4.52% | Sep 25, 2026 |
| Ran Vered | Chief Financial Officer | 100,000 | 0.11% | Mar 26, 2026 |
| Barak Eilam | Director | 101,315 | 0.12% | May 22, 2026 |
| Harel Moshe Beit-On | Director | 10,885,778 | 12.52% | May 21, 2026 |
| Tamar Rapaport-Dagim | Director | 63,584 | 0.07% | May 19, 2026 |
| Joshua Alliance | Director | 8,883,950 | 10.22% | Apr 13, 2026 |
| Preto Joseph Del | Director | 20,000 | 0.02% | Apr 10, 2026 |
| Kippster Stephen Bodnar | Director | 10,439 | 0.01% | Apr 9, 2026 |
| Benjamin Seror | Director | 40,000 | 0.05% | Mar 26, 2026 |
| Lisa M. Campbell | Director | 5,219 | 0.01% | Mar 26, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Or Offer Chief Executive Officer | Sep 24, 2026 | Sale(10b5-1 plan) | −400 | $8.37 | $3.35K | 3,930,481 |
| Or Offer Chief Executive Officer | Sep 24, 2026 | Sale(10b5-1 plan) | −113,900 | $7.69 | $875.89K | 3,930,881 |
| Or Offer Chief Executive Officer | Sep 23, 2026 | Sale(10b5-1 plan) | −28,400 | $8.54 | $242.54K | 4,044,781 |
| Or Offer Chief Executive Officer | Sep 22, 2026 | Sale(10b5-1 plan) | −34,500 | $8.38 | $289.11K | 4,073,181 |
| Or Offer Chief Executive Officer | Sep 21, 2026 | Sale(10b5-1 plan) | −32,200 | $8.40 | $270.48K | 4,107,681 |
| Or Offer Chief Executive Officer | Sep 18, 2026 | Sale(10b5-1 plan) | −37,500 | $8.25 | $309.38K | 4,139,881 |
| Or Offer Chief Executive Officer | Sep 17, 2026 | Sale(10b5-1 plan) | −30,400 | $8.35 | $253.84K | 4,177,381 |
| Or Offer Chief Executive Officer | Sep 16, 2026 | Sale(10b5-1 plan) | −45,719 | $8.40 | $384.04K | 4,207,781 |
| Or Offer Chief Executive Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −26,691 | $8.53 | $227.67K | 4,253,500 |
| Or Offer Chief Executive Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −26,691 | $8.53 | $227.67K | 4,253,500 |
| Or Offer Chief Executive Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −26,691 | $8.53 | $227.67K | 4,253,500 |
| Or Offer Chief Executive Officer | Sep 14, 2026 | Sale(10b5-1 plan) | −52,900 | $8.54 | $451.77K | 4,280,191 |
| Or Offer Chief Executive Officer | Sep 14, 2026 | Sale(10b5-1 plan) | −52,900 | $8.54 | $451.77K | 4,280,191 |
| Or Offer Chief Executive Officer | Sep 14, 2026 | Sale(10b5-1 plan) | −52,900 | $8.54 | $451.77K | 4,280,191 |
| Or Offer Chief Executive Officer | Sep 11, 2026 | Sale(10b5-1 plan) | −59,000 | $8.05 | $474.95K | 4,333,091 |
| Or Offer Chief Executive Officer | Sep 10, 2026 | Sale(10b5-1 plan) | −59,200 | $8.06 | $477.15K | 4,392,091 |
| Or Offer Chief Executive Officer | Sep 9, 2026 | Sale(10b5-1 plan) | −86,300 | $8.06 | $695.58K | 4,451,291 |
| Or Offer Chief Executive Officer | Sep 8, 2026 | Sale(10b5-1 plan) | −60,700 | $8.33 | $505.63K | 4,537,591 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Sale | −39,302 | $9.01 | $354.11K | 4,598,291 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Option exercise | +164,817 | $2.71 | $446.65K | 4,763,108 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Option exercise | +140,008 | $3.04 | $425.62K | 4,738,299 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Sale | −39,000 | $9.00 | $351.00K | 4,598,291 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Option exercise | +39,000 | $0.40 | $15.60K | 4,637,291 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Sale | −140,008 | $9.01 | $1.26M | 4,598,291 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Option exercise | +39,302 | $2.71 | $106.51K | 4,637,593 |
| Or Offer Chief Executive Officer | Aug 26, 2026 | Sale | −164,817 | $9.00 | $1.48M | 4,598,291 |
| Or Offer Chief Executive Officer | Aug 14, 2026 | Option exercise | +59,992 | $3.04 | $182.38K | 4,658,283 |
| Or Offer Chief Executive Officer | Aug 14, 2026 | Sale | −59,992 | $8.90 | $533.93K | 4,598,291 |
| Or Offer Chief Executive Officer | Aug 14, 2026 | Sale | −75,000 | $8.85 | $663.75K | 4,598,291 |
| Or Offer Chief Executive Officer | Aug 14, 2026 | Option exercise | +75,000 | $0.40 | $30.00K | 4,673,291 |
| Or Offer Chief Executive Officer | Aug 13, 2026 | Option exercise | +228,500 | $3.04 | $694.64K | 4,972,896 |
| Or Offer Chief Executive Officer | Aug 13, 2026 | Sale | −228,500 | $8.82 | $2.02M | 4,744,396 |
| Or Offer Chief Executive Officer | Aug 13, 2026 | Option exercise | +200,000 | $0.40 | $80.00K | 4,944,396 |
| Or Offer Chief Executive Officer | Aug 13, 2026 | Sale | −200,000 | $8.79 | $1.76M | 4,744,396 |
| Or Offer Chief Executive Officer | Aug 13, 2026 | Sale | −106,105 | $8.75 | $928.42K | 4,638,291 |
| Or Offer Chief Executive Officer | Aug 13, 2026 | Sale | −40,000 | $8.90 | $356.00K | 4,598,291 |
| Or Offer Chief Executive Officer, Director | Jun 1, 2026 | Buy | +50,000 | $4.15 | $207.50K | 4,744,396 |
| Barak Eilam Director | May 21, 2026 | Buy | +50,000 | $3.86 | $193.00K | 101,315 |
| Harel Moshe Beit-On Director | May 20, 2026 | Buy | +75,000 | $3.89 | $291.75K | 10,885,778 |
| Or Offer Chief Executive Officer, Director | May 19, 2026 | Buy | +3,000 | $3.55 | $10.65K | 4,694,396 |
| Or Offer Chief Executive Officer, Director | May 19, 2026 | Buy | +50,000 | $3.58 | $179.00K | 4,691,396 |
| Or Offer Chief Executive Officer, Director | May 18, 2026 | Buy | +3,105 | $3.20 | $9.94K | 4,641,396 |
| Tamar Rapaport-Dagim Director | May 18, 2026 | Buy | +40,000 | $3.22 | $128.80K | 63,584 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Offer Or Officer | Sep 8, 2026 | 1,000,000 | $8.84M | Sep 8, 2026 | Founder Shares |
| Offer Or Officer | Aug 27, 2026 | 383,127 | $3.42M | Aug 26, 2026 | Shares acquired upon exercise of employee stock options |
| Offer Or Officer | Aug 17, 2026 | 134,992 | $1.22M | Aug 14, 2026 | Shares acquired upon exercise of employee stock options |
| Offer Or Officer | Aug 17, 2026 | 40,000 | $351.60K | Aug 13, 2026 | Purchase in open market |
| Offer Or Officer | Aug 17, 2026 | 40,000 | $351.60K | Aug 13, 2026 | Purchase in open market |
| Offer Or Officer | Aug 14, 2026 | 534,605 | $4.70M | Aug 13, 2026 | Shares acquired upon exercise of employee stock options |
| Lisa M. Campbell Director | Feb 19, 2026 | 5,219 | $13.31K | Feb 19, 2026 | Restricted Stock Units |
| Or Offer Officer | Sep 9, 2025 | 100,000 | $972.00K | Sep 8, 2025 | Founder Shares |
| Jason Eric Schwartz Officer | Aug 14, 2025 | 801,433 | $6.76M | Aug 14, 2025 | Employee stock Options plan |
| Or Offer Officer | Jan 22, 2025 | 62,500 | $977.50K | Jan 21, 2025 | Founder Shares |
| Benjamin Seror Officer | Jan 15, 2025 | 50,000 | $706.00K | Jan 14, 2025 | Employee Stock Option Plan |
| Benjamin Seror Officer | Jan 10, 2025 | 50,000 | $745.00K | Jan 8, 2025 | Employee Stock Option Plan |
| Or Offer Officer | Dec 20, 2024 | 66,667 | $938.00K | Dec 20, 2024 | Founder Shares |
| Or Offer Officer | Dec 19, 2024 | 170,648 | $2.30M | Dec 18, 2024 | Founder Shares |
| Growth Ii (A) L.P. Viola Affiliate | Dec 18, 2024 | 2,567 | $34.67K | Dec 17, 2024 | Private Acquisition from Non Affiliate |