Wisekey International Holding S.A. (WKEY) Institutional Ownership

Ownership Summary

Wisekey International Holding S.A. (NASDAQ:WKEY) currently has 1 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• The percentage of Wisekey International Holding owned by institutions changed from 0.5% in September 2025 to 0.0% in December 2025, marking a slight down trend.
• On a quarter-over-quarter basis, institutional holdings shifted by 3.03%, with a year-over-year an unavailable change in the count of filers.
• Among the 1 institutional holders of Wisekey International Holding, 1 added to their stakes while 0 trimmed their positions and 0 held steady.
• This class of investors increased its holdings in Wisekey International Holding to 4.11K shares for the 13F-cycle ending December 2025, up by 121 shares quarter on quarter, and down 18.18K shares year over year.
• With 4.11K shares, GAMMA Investing LLC commands the largest institutional position in Wisekey International Holding as of December 31, 2025, equating to 0.01% of the company.
• Among the most significant buyers of Wisekey International Holding during December 2025 were GAMMA Investing LLC (121).
• The top 1 institutional holders of Wisekey International Holding for the quarter ending December 2025 included GAMMA Investing LLC (4.11K).