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WithSecure Oyj Ownership

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

Recent Insider Transactions

DB:DTV0 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
20 Oct 25	Sell€159,990	Antti Koskela	Individual	94,112	€1.70
20 Oct 25	Sell€107,066	Tom Jansson	Individual	62,980	€1.70
20 Oct 25	Sell€67,597	Ciaran Martin	Individual	39,763	€1.70
20 Oct 25	Sell€131,891	Tiina Sarhimaa	Individual	77,583	€1.70
20 Oct 25	Sell€106,272	Charlotte Guillou	Individual	62,513	€1.70
20 Oct 25	Sell€102,171,859	Risto Siilasmaa	Individual	60,101,079	€1.70
20 Oct 25	Sell€155,213	Christine Bejerasco	Individual	91,302	€1.70
20 Oct 25	Sell€50,884	Amanda Bedborough	Individual	29,932	€1.70
20 Oct 25	Sell€56,219	Niilo Fredrikson	Individual	33,070	€1.70
20 Oct 25	Sell€135,060	Tuomas Syrjänen	Individual	79,447	€1.70
20 Oct 25	Sell€65,952	Pilvi Tunturi	Individual	38,795	€1.70

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 DTV0?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	250,596	0.143%
VC/PE Firms	9,569,424	5.48%
Institutions	58,528,078	33.5%
General Public	106,358,972	60.9%

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

Top Shareholders

Top 25 shareholders own 39.11% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.95%	Nordea Investment Management, AB	13,890,845	€23.9m	0%	0.02%
5.48%	CVC Capital Partners plc	9,569,424	€16.4m	0%	0.63%
4.32%	Skandinaviska Enskilda Banken AB (publ)	7,544,620	€13.0m	0%	0.13%
3.45%	Keskinäinen Eläkevakuutusyhtiö Ilmarinen	6,020,000	€10.3m	0%	0.07%
2.9%	Sampo Oyj	5,069,434	€8.7m	0%	0.52%
2.46%	Proprius Partners Oy	4,300,000	€7.4m	0%	no data
2.27%	Keskinäinen työeläkevakuutusyhtiö Varma	3,970,660	€6.8m	0%	0.04%
2.23%	Valtion Elakerahasto - State Pension Fund	3,900,000	€6.7m	0%	0.43%
1.8%	Schroder Investment Management Limited	3,150,000	€5.4m	0%	no data
1.6%	Norges Bank Investment Management	2,795,502	€4.8m	0%	no data
1.52%	Sp-Rahastoyhtiö Oy	2,651,079	€4.6m	0%	0.75%
1.46%	Keskinäinen vakuutusyhtiö Eläke-Fennia	2,557,275	€4.4m	0%	0.06%
0.47%	Dimensional Fund Advisors LP	823,385	€1.4m	-12.1%	no data
0.39%	Aktia Kapitalforvaltning Ab	676,353	€1.2m	0%	0.26%
0.29%	KBC Asset Management NV	499,719	€858.5k	0%	no data
0.17%	Fondita Rahastoyhtio AB	300,000	€515.4k	0%	0.12%
0.11%	Universal Investment GmbH	200,000	€343.6k	0%	no data
0.076%	Seligson & Co Rahastoyhtio Oy	133,357	€229.1k	0%	0.01%
0.072%	Pertti Ervi	126,209	€216.8k	19%	no data
0.022%	Timo Laaksonen	39,051	€67.1k	35.4%	no data
0.019%	Kirsi Sormunen	33,427	€57.4k	0%	no data
0.017%	I.B.I Mutual Funds Management (1978) Ltd.	30,064	€51.7k	0%	no data
0.016%	Harri Ruusinen	27,678	€47.5k	0%	no data
0.0078%	Evli Fund Management Company Ltd.	13,600	€23.4k	0%	no data
0.0063%	Olli Tuuri	11,000	€18.9k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/01/26 04:30
End of Day Share Price	2026/01/26 00:00
Earnings	2025/09/30
Annual Earnings	2024/12/31

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 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

WithSecure Oyj is covered by 7 analysts. 1 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
Matti Riikonen	Carnegie Investment Bank AB
Mikko Ervasti	Evli Bank plc
Mikael Rautanen	Inderes Oy