Wisekey International Holding S.A.
WKEY- Exchange
- Nasdaq
- Industry
- Services-Computer Processing & Data Preparation
- SEC CIK
- 0001738699
No open-market purchases or sales by Wisekey International Holding S.A. insiders were filed in the last 90 days; 17 institutions reported holding it in 13F filings for Q2 2026, worth $3.36M in total; no superinvestor holds it.
Other share classesWSKEF
Q4 2025 vs. Q3 2025
How the institutions holding Wisekey International Holding S.A. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 10 | 15 | +5 |
| Shares | 192.6K | 314.1K | +121.5K (+63.1%) |
| Value | $1.22M | $2.47M | +$1.24M (+101.6%) |
New holders (6)
Institutions that held Wisekey International Holding S.A. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Jane Street Group, LLC | 32,017 | $251.3K | 0.00% |
| Marshall Wace, LLP | 28,538 | $224.0K | 0.00% |
| Jump Financial, LLC | 14,360 | $112.7K | 0.00% |
| Dynamic Technology Lab Private Ltd | 13,669 | $107.0K | 0.02% |
| WealthCollab, LLC | 800 | $6.28K | 0.00% |
| Miller Wealth Advisors, LLC | 240 | $1.88K | 0.00% |
Sold out (1)
Institutions that held Wisekey International Holding S.A. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Two Sigma Investments, LP | 29,320 | $186.5K |