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Mariner, LLC

Position in QSI — Quantum-Si Inc

CIK 1373442 Overland Park, KS

Position in QSI

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$139,554
-$15,007 QoQ
Shares Held
157,689
-21.0% QoQ
Ownership
0.072%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#32
of 141 holders
Holding Since
Sep 2023
9 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in QSI Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

Mariner, LLC holds $479,322,713 across 54 Medical Devices names. QSI ranks #41 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in QSI

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $139,554 157,689
2026-03-31 $154,561 199,692
2025-12-31 $62,568 56,880
2025-09-30 $71,245 50,529
2025-06-30 $99,164 50,594
2025-03-31 $57,606 48,005
2024-12-31 $90,285 33,439
2024-09-30 $22,842 25,899
2023-09-30 $18,696 11,263