Quantum-Si Incorporated Class A Share Price

Quantum-Si Incorporated Class A Share Price

QSI
$0.89
-$0.04 (-4.24%) Last updated on 16 May, 2026 | 01:29 IST
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Quantum-Si Incorporated Class A Stock Performance

Open
$0.91
Prev. Close
$0.93
Circuit Range
N/A
Day Range
$0.88 - $0.91
Year Range
$0.69 - $3.09
Volume
20,105
Average Traded
$0.89

Quantum-Si Incorporated Class A Share Price Chart

$0.89
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About Quantum-Si Incorporated Class A

Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an available pro mode; Library preparation kits to prepare protein sample for sequencing; Barcoding Kits to optimize the workflow and performance of technology; and Sequencing Kits contains the reagents and consumables used to perform NGPS on the Platinum or Platinum Pro instrument. It also provides Platinum Analysis Software, a cloud-based solution that automates data analysis workflows and provides a user-friendly interface and visualization of the sequencing results. Its products are used in antibody characterization, biomarker identification, protein identification, protein variants, protein barcoding, and post translational modification analysis applications. Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.

Quantum-Si Incorporated Class A Historical Data

DayOpenCloseChange %
14-May-26
$0.92
$0.93
+0.32%
13-May-26
$0.94
$0.93
-1.80%
12-May-26
$0.92
$0.95
+2.83%
11-May-26
$0.89
$0.92
+0.88%
08-May-26
$0.97
$0.91
-7.41%
07-May-26
$1.02
$0.98
-4.37%
06-May-26
$0.97
$1.03
+6.74%

FAQs on Quantum-Si Incorporated Class A Share Price

Can I buy Quantum-Si Incorporated Class A shares in India?

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Yes. You can buy Quantum-Si Incorporated Class A in India by opening an international trading account.

What is the share price of Quantum-Si Incorporated Class A?

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As on 16 May '26, the share price of Quantum-Si Incorporated Class A QSI is $0.89. If you are investing from India, it is a good idea to check the current exchange rate and calculate the value in rupees before making your investment.

What is the 5 year returns of Quantum-Si Incorporated Class A?

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The 5 year returns of Quantum-Si Incorporated Class A is -91.3% as on 16 May '26.

What are the high & low stock price of Quantum-Si Incorporated Class A today?

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Quantum-Si Incorporated Class A stock price hit a high of $0.91 and low of $0.88 as on 16 May '26.

What is the 52-week high and low of Quantum-Si Incorporated Class A stock?

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The 52-week high of Quantum-Si Incorporated Class A stock is $3.09, while the 52-week low is $0.69 as on 16 May '26.