SEALSQ Corp
Ownership
Ownership Structure
Who owns SEALSQ Corp (LAES)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.1% of the shares are freely tradable; institutional investors hold 11.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Heights Capital Management Inc | 1.39 | 3,136,465 | +0.0 | 03/31/2026 |
| Susquehanna International Group, LLP | 0.59 | 1,320,493 | +89.6 | 03/31/2026 |
| Two Sigma Investments LLC | 0.49 | 1,103,028 | +0.0 | 06/30/2026 |
| Kessler Investment Group, LLC | 0.43 | 975,458 | -1.8 | 06/30/2026 |
| UBS Group AG | 0.42 | 933,391 | -71.0 | 03/31/2026 |
| HRT FINANCIAL LLC | 0.32 | 711,569 | +2,120.6 | 03/31/2026 |
| Tudor Investment Corp Et AL | 0.22 | 484,909 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| WisdomTree Quantum Computing Fund | 0.62 | 1,394,872 | +0.5 | 08/31/2026 |
| WisdomTree Quantum Computing ETF USD Acc | 0.57 | 1,291,684 | +0.0 | 08/31/2026 |
| Selectra Shield Opportunities A EUR Acc | 0.16 | 350,000 | -22.2 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 3, 2026 | Enguent Jean-Pierre | Vice President, R&DSS | Sell | 15,000 | 2.40 | 36,030 |
| Sep 1, 2026 | Enguent Jean-Pierre | Vice President, R&DSS | Other | 15,000 | 0.01 | 150 |
| Aug 5, 2026 | Enguent Jean-Pierre | Vice President, R&DSS | Sell | 15,000 | 2.46 | 36,857 |
| Aug 3, 2026 | Enguent Jean-Pierre | Vice President, R&DSS | Other | 15,000 | 0.01 | 150 |
| Apr 24, 2026 | John Charles O'hara | CFO | Sell | 5,250 | 2.91 | 15,278 |
| Apr 22, 2026 | John Charles O'hara | CFO | Sell | 10,000 | 3.06 | 30,600 |
| Apr 20, 2026 | John Charles O'hara | CFO | Sell | 10,000 | 2.79 | 27,900 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.