Similarweb Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:63X Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
01 Jun 26	Buy€178,595	Or Offer	Individual	50,000	€3.57
21 May 26	Buy€166,578	Barak Eilam	Individual	50,000	€3.33
20 May 26	Buy€250,876	Harel Beit-On	Individual	75,000	€3.35
19 May 26	Buy€172,143	Or Offer	Individual	56,105	€3.09
18 May 26	Buy€110,734	Tamar Rapaport-Dagim	Individual	40,000	€2.77

Insider Trading Volume

Insider Buying: 63X insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 63X?
Owner Type	Number of Shares	Ownership Percentage
General Public	8,959,064	10.2%
VC/PE Firms	21,984,043	25.1%
Individual Insiders	24,454,565	27.9%
Institutions	32,200,701	36.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 81.56% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
12.8%	Prosus Ventures N.V.	11,173,265	€40.2m	0%	0.03%
12.4%	Harel Beit-On	10,885,778	€39.2m	0%	no data
12.3%	Viola Group	10,810,778	€38.9m	0%	48.13%
10.1%	Joshua Alliance	8,883,950	€32.0m	0%	no data
4.61%	Or Offer	4,034,584	€14.5m	3.68%	no data
4.58%	Menora Mivtachim Provident Funds	4,015,494	€14.5m	0%	0.04%
3.46%	Ion Asset Management Ltd.	3,030,826	€10.9m	0%	1.53%
3.42%	Ulysses Management LLC	2,998,474	€10.8m	0%	4.26%
3.39%	Wellington Management Group LLP	2,966,757	€10.7m	-1.16%	no data
1.83%	S Squared Technology, LLC	1,600,000	€5.8m	106%	2.03%
1.51%	Centerbook Partners LP	1,325,113	€4.8m	37.9%	0.26%
1.31%	More Investment House Ltd.	1,151,298	€4.1m	-1.71%	0.08%
1.05%	Schroder Investment Management North America Inc.	915,418	€3.3m	9.25%	0.01%
0.94%	Millennium Management LLC	825,763	€3.0m	131%	no data
0.9%	Mirabella Financial Services LLP	792,664	€2.9m	0%	0.34%
0.84%	Renaissance Technologies LLC	739,673	€2.7m	105%	no data
0.75%	Saban Capital Group, LLC	658,935	€2.4m	0%	1.12%
0.74%	Herald Investment Management Ltd.	645,465	€2.3m	0%	0.18%
0.73%	La Caisse de dépôt et placement du Québec	639,014	€2.3m	351%	no data
0.73%	Marshall Wace LLP	638,188	€2.3m	118%	no data
0.7%	Sphera Funds Management Ltd	615,000	€2.2m	28.1%	0.32%
0.68%	Morgan Stanley	591,863	€2.1m	131%	no data
0.61%	Connor, Clark & Lunn Investment Management Ltd.	533,634	€1.9m	-33.2%	no data
0.57%	P.A.W. Capital Partners, LP	500,000	€1.8m	108%	3.57%
0.54%	Citadel Advisors LLC	476,005	€1.7m	138%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/11 11:08
End of Day Share Price	2026/06/11 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Similarweb Ltd. is covered by 13 analysts. 8 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Raimo Lenschow	Barclays
Ryan MacWilliams	Barclays
Tyler Radke	Citigroup Inc