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
13F holders, Q2 2026
Institutional positions in Wisekey International Holding S.A. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 17
- 0 vs. Q1 2026
- Shares held
- 459.3K
- +91.6K (+24.9%) vs. Q1 2026
- Total value
- $3.36M
- +$1.10M (+48.9%) vs. Q1 2026
- New holders
- 4
- 5 more added
- Sold out
- 4
- 5 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting WKEY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 17 | $3.36M |
| Q1 2026 | 17 | $2.26M |
| Q4 2025 | 15 | $2.47M |
| Q3 2025 | 10 | $1.23M |
| Q2 2025 | 11 | $843.8K |
| Q1 2025 | 10 | $581.3K |
| Q4 2024 | 10 | $1.80M |
| Q3 2024 | 6 | $4.21K |
| Q2 2024 | 5 | $33.2K |
| Q1 2024 | 6 | $61.8K |
| Q4 2023 | 7 | $51.3K |
| Q3 2023 | 9 | $61.6K |
| Q2 2023 | 10 | $204.9K |
| Q1 2023 | 8 | $241.1K |
| Q4 2022 | 11 | $252.0K |
| Q3 2022 | 12 | $241.0K |
| Q2 2022 | 12 | $395.0K |
| Q1 2022 | 16 | $690.0K |
| Q4 2021 | 15 | $1.95M |
| Q3 2021 | 17 | $2.50M |
| Q2 2021 | 10 | $417.0K |
| Q1 2021 | 12 | $1.99M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Wisekey International Holding S.A.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 153,327 | $1.12M | 0.00% | +114,335+293.2% | Added |
| Citadel Advisors LLC | 56,630 | $414.5K | 0.00% | −4,487−7.3% | Reduced |
| Jane Street Group, LLC | 56,263 | $411.8K | 0.00% | +21,868+63.6% | Added |
| Morgan Stanley | 49,829 | $364.7K | 0.00% | +27,104+119.3% | Added |
| Finer Wealth Management, Inc. | 49,497 | $362.3K | 0.16% | 00.0% | Unchanged |
| UBS Group AG | 27,012 | $197.7K | 0.00% | −56,249−67.6% | Reduced |
| Renaissance Technologies LLC | 24,925 | $182.5K | 0.00% | +24,925 | New |
| SBI Securities Co., Ltd. | 12,545 | $91.8K | 0.00% | +2,115+20.3% | Added |
| Rhumbline Advisers | 11,459 | $83.9K | 0.00% | +4,149+56.8% | Added |
| HRT Financial LP | 10,877 | $79.0K | 0.00% | −5,024−31.6% | Reduced |
| GAMMA Investing LLC | 4,108 | $30.1K | 0.00% | −142−3.3% | Reduced |
| Advisor Group Holdings, Inc. | 1,350 | $9.88K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 800 | $5.86K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 330 | $2.42K | 0.00% | +330 | New |
| Abound Wealth Management | 160 | $1.17K | 0.00% | +160 | New |
| JPMorgan Chase & Co | 153 | $1.08K | 0.00% | −285−65.1% | Reduced |
| Caitong International Asset Management Co., Ltd | 6 | $44 | 0.00% | +6 | New |
| Virtu Financial LLC | 0 | $0 | 0.00% | −14,296−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −12,788−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −10,002−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −124−100.0% | Sold out |