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WILLIAM JOHN SEMPOLINSKI

Position in LAES — SEALSQ Corp

CIK 2149024 EASTON, MA

Position in LAES

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$125,055
New position
Shares Held
39,700
first reported quarter
Ownership
0.018%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#45
of 109 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 0% Shared 0% None 100%

Position in Semiconductors

Technology · as of Jun 30, 2026

WILLIAM JOHN SEMPOLINSKI holds $55,547,307 across 7 Semiconductors names. LAES ranks #7 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 LAES
SEALSQ Corp
This page
39,700 $125,055

All Filings in LAES

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $125,055 39,700