Quantum-Si Incorporated (NASDAQ: QSI) Stock Information | RedChip
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Quantum-Si Incorporated (NASDAQ: QSI)
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$0.83
+0.0003 ( +0.04% ) 52.5K

Quantum-Si Inc is focused on revolutionizing the growing field of proteomics. The company's suite of technologies is powered by a first-of-its-kind semiconductor chip designed to enable single-molecule next-generation protein sequencing and genomics, and digitize proteomic research in order to advance drug discovery and diagnostics beyond DNA sequencing.

Market Data


Open $0.83
Previous Close $0.83
Volume 52.5K
Market Cap $180.13M
Day Range $0.85 - $0.86
52 Week Range $0.69 - $3.10
Shares Outstanding 217.76M
Change % +0.04%
Net Change ▲ 0.0003
Insider Ownership -0.03%
Exchange NASDAQ
SectorHealthcare
IndustryBiotechnology: Pharmaceutical Preparations
IPO Year2021
CountryUnited States
UnderwriterIPO Intelligence Only

Insider Ownership Transactions

Total Amount Purchased: -2,153,212.00

Date Type Amount Purchased Purchaser
2024-03-06 Buy 50000.00 Keyes Jeffry R.
2023-09-26 Sale -115942.00 Jafri Amir

SEC Filings


Form Type Description Pages Date
10-q Quarterly Reports 91 Nov 05, 2025
4 Insider transactions 1 Oct 17, 2025
8-k 8K-related 13 Sep 29, 2025
8-k 8K-related 20 Sep 26, 2025
4 Insider transactions 1 Sep 24, 2025
4 Insider transactions 1 Sep 24, 2025
4 Insider transactions 1 Sep 24, 2025
4 Insider transactions 1 Sep 24, 2025
4 Insider transactions 1 Sep 24, 2025
8-k 8K-related 40 Aug 08, 2025

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