IONOS Group SE

SWX:IOS Stock Report

Market Cap: CHF 4.1b

IONOS Group Ownership

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

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of IOS?
Owner TypeNumber of SharesOwnership Percentage
Hedge Funds7,000,0005.2%
General Public13,993,54810.4%
Institutions24,417,46918.1%
Public Companies89,320,00066.3%

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

Top Shareholders

Top 25 shareholders own 87.83% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
66.3%
United Internet AG
89,320,000CHF 2.7b0%no data
5.2%
Helikon Investments Limited
7,000,000CHF 212.1m0%3.16%
3.12%
Wellington Management Group LLP
4,200,428CHF 127.2m129%0.02%
2.46%
DWS Group GmbH & Co. KGaA
3,316,904CHF 100.5m0%64.78%
1.99%
Deka Investment GmbH
2,684,769CHF 81.3m0%0.07%
1.42%
Vanguard Capital Management, LLC
1,914,564CHF 58.0m-3.36%no data
0.84%
BlackRock, Inc.
1,129,251CHF 34.2m1.37%no data
0.79%
Janus Henderson Group Ltd.
1,069,445CHF 32.4m0%0.01%
0.69%
Gané Advisory GmbH
930,000CHF 28.2m0%3.99%
0.67%
T. Rowe Price Group, Inc.
899,742CHF 27.3m51.8%no data
0.59%
Union Asset Management Holding AG
800,000CHF 24.2m0%0.02%
0.47%
Norges Bank Investment Management
632,291CHF 19.2m0%no data
0.44%
Schroder Investment Management Limited
590,539CHF 17.9m2.23%0.01%
0.39%
DNCA Finance
527,679CHF 16.0m0%0.18%
0.38%
Columbia Management Investment Advisers, LLC
515,192CHF 15.6m-1.89%no data
0.37%
Dimensional Fund Advisors LP
504,347CHF 15.3m0.07%no data
0.28%
GANÉ Investment-AG mit Teilgesellschaftsvermögen
375,000CHF 11.4m0%3.89%
0.27%
Invesco Capital Management LLC
362,238CHF 11.0m0%no data
0.27%
Allianz Asset Management GmbH
358,599CHF 10.9m184%0.01%
0.25%
Deutsche Asset & Wealth Management
340,016CHF 10.3m-10.5%no data
0.15%
VM Vermogens-Management GmbH
203,035CHF 6.2m0%2.54%
0.15%
Shareholder Value Management AG
200,000CHF 6.1m0%1.03%
0.12%
J.Chahine Advisory SA
156,091CHF 4.7m0%1.03%
0.12%
Lazard Asset Management LLC
155,721CHF 4.7m12.1%no data
0.11%
Amundi Asset Management SAS
145,658CHF 4.4m-2.7%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/08/19 22:51
End of Day Share Price 2026/08/19 00:00
Earnings2026/06/30
Annual Earnings2025/12/31

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.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* 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

IONOS Group SE is covered by 18 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Andrew RossBarclays
Sarah RobertsBarclays
Emily JohnsonBarclays