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RENAISSANCE TECHNOLOGIES LLC

Position in QSI — Quantum-Si Inc

CIK 1037389 NEW YORK, NY

Position in QSI

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$91,254
-$83,578 QoQ
Shares Held
117,900
+32.2% QoQ
Ownership
0.054%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2022
8 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

RENAISSANCE TECHNOLOGIES LLC holds $985,614,599 across 73 Medical Devices names. QSI ranks #63 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in QSI

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8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $91,254 117,900
2025-06-30 $174,832 89,200
2025-03-31 $1,046,107 871,756
2024-12-31 $1,471,381 544,956
2024-09-30 $36,652 41,556
2023-06-30 $399,628 223,256
2023-03-31 $198,626 112,856
2022-12-31 $68,727 37,556