Who owns F-SECURE?
One well-known Nordic major shareholder holds a stake in F-SECURE. The stake, the date it applies and where it is stated.
Major shareholders in F-SECURE
- Risto SiilasmaaFounded F-Secure and is its largest owner, former chair of Nokia.34.4%stake as of 27 October 2026 · source: shareholder register
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We show who owns it, never what you should do. The stakes are from InvestWiser's data and may have changed since the date.