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Leonteq Securities AG

Broker-Dealer

Position in QSI — Quantum-Si Inc

CIK 1535950 ZURICH, V8

Position in QSI

as of Mar 31, 2026 · filed Apr 27, 2026
Position Value
$19,350
-$8,150 QoQ
Shares Held
25,000
0.0% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2022
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in QSI Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

Leonteq Securities AG holds $13,467,538 across 25 Medical Devices names. QSI ranks #15 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in QSI

Export CSV
15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $19,350 25,000
2025-12-31 $27,500 25,000
2025-09-30 $35,250 25,000
2025-06-30 $49,000 25,000
2025-03-31 $30,000 25,000
2024-06-30 $11,550 11,000
2024-03-31 $21,670 11,000
2023-12-31 $22,713 11,300
2023-09-30 $12,450 7,500
2023-06-30 $13,425 7,500
2023-03-31 $13,200 7,500
2022-12-31 $13,725 7,500
2022-09-30 $20,625 7,500
2022-06-30 $17,400 7,500
2022-03-31 $35,100 7,500