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NASDAQ: QSI
Quantum Si (QSI) stock, explained like you're 5
Quantum Si trades on the Nasdaq under the ticker QSI. It is a small cap company in the industrial machinery/components industry, part of the industrials sector, with a market value of about 335 million dollars.
- Ticker
- QSI
- Exchange
- Nasdaq
- Sector
- Industrials
- Industry
- Industrial Machinery/Components
- Size
- Small cap, about 335 million dollars
Is Quantum Si a small, medium or large cap company?
No. Quantum Si is a small cap stock, not a large cap. Its market cap, which is the total value of all its shares, is about 335 million dollars.
Here is how you can tell. Multiply the share price by the number of shares to get the market cap, then compare it to the usual sizes. Micro cap is under 300 million dollars, small cap is 300 million to 2 billion, mid cap is 2 to 10 billion, large cap is 10 billion and up, and mega cap is over 200 billion. Market caps move every day with the share price, so treat the number as a recent snapshot.
How Quantum Si makes money
- Building and selling machines, aircraft, equipment or infrastructure.
- Moving goods and people.
- Long term service and maintenance contracts.
What moves QSI stock
- Orders and backlog, which show future sales.
- Business spending and the health of the economy.
- Costs of materials and labor.
In the news lately
- Quantum Si incorporated (QSI) Stock Price, News, Quote & History (Yahoo! Finance Canada)
- Branford biotech Quantum Si regains Nasdaq compliance as stock rebounds (Hartford Business Journal)
- Closing bids of $1 or more bring a Nasdaq compliance decision for Quantum Si (Nasdaq: QSI). (Stock Titan)
- QSI Stock: Quantum Si Looks to Lead the Post Genomic Era (CMC Markets)
- Quantum Si Incorporated to Report Third Quarter 2026 Financial Results and Provide Business Update on November 5 (Quiver Quantitative)
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Questions about Quantum Si stock
What does Quantum Si do?
Quantum Si trades on the Nasdaq under the ticker QSI. It is a small cap company in the industrial machinery/components industry, part of the industrials sector, with a market value of about 335 million dollars.
What is the ticker symbol for Quantum Si?
Quantum Si trades under the ticker QSI on the Nasdaq.
What is Quantum Si's market cap?
Quantum Si is a small cap stock with a market cap of about 335 million dollars.
How does Quantum Si make money?
Building and selling machines, aircraft, equipment or infrastructure. Moving goods and people. Long term service and maintenance contracts.
What moves QSI stock?
Orders and backlog, which show future sales. Business spending and the health of the economy. Costs of materials and labor.
How can I follow QSI stock every day?
Add QSI to your watchlist on Metric Finance. We post a free brief every trading day at 5 PM ET that explains what happened to the stocks you follow, in simple words.
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Educational information, not financial advice. This guide explains the business in general terms and does not include live prices.