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

Ownership Summary

Wisekey International Holding S.A. (NASDAQ:WKEY) currently has 10 active institutional owners and shareholders as of today (September 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• Institutional ownership in Wisekey International Holding edged up to 3.9% in September 2025, compared to 2.6% in June 2025.
• The company experienced a 65.93% quarterly change in institutional shares held, alongside an increase of 66.67% in total owners annually.
• Among the 10 institutional holders of Wisekey International Holding, 4 added to their stakes while 4 trimmed their positions and 2 held steady.
• The total number of shares held by institutions in Wisekey International Holding increased to 192.59K as of September 2025, a net change of up by 76.52K shares quarter on quarter, and up 190.77K shares year over year.
• The top institutional stake in Wisekey International Holding as of September 30, 2025 belongs to UBS Group AG, which owns 72.03K shares, or 1.47% of the company.
• Among the most significant buyers of Wisekey International Holding during September 2025 were UBS Group AG (68.74K), TWO SIGMA INVESTMENTS, LP (29.32K), RHUMBLINE ADVISERS (513), GAMMA Investing LLC (180).
• Leading sellers of Wisekey International Holding stock in September 2025 included BANK OF MONTREAL /CAN/ (10.00K), OSAIC HOLDINGS, INC. (7.30K), SBI Securities Co., Ltd. (4.63K), MORGAN STANLEY (298).
• The top 10 institutional holders of Wisekey International Holding for the quarter ending September 2025 included UBS Group AG (72.03K), Finer Wealth Management, Inc. (49.50K), TWO SIGMA INVESTMENTS, LP (29.32K), BANK OF MONTREAL /CAN/ (20.00K), SBI Securities Co., Ltd. (11.20K), GAMMA Investing LLC (3.99K), RHUMBLINE ADVISERS (2.86K), OSAIC HOLDINGS, INC. (2.46K), MORGAN STANLEY (797), JPMORGAN CHASE & CO (438).