Yahoo
NasdaqGM - Nasdaq Real Time Price USD

Quantum-Si incorporated (QSI)

0.7573 -0.0086 (-1.12%)
At close: September 1 at 4:00:00 PM EDT
0.7751 +0.0178 (+2.35%)
Overnight: 2:01:36 AM EDT
Chart Range Bar
Loading chart for QSI
Chart does not reflect overnight price.
  • Previous Close 0.7659
  • Open 0.7500
  • Bid 0.5415 x 200
  • Ask 0.9885 x 200
  • Day's Range 0.7499 - 0.7768
  • 52 Week Range 0.6900 - 3.1000
  • Volume 1,502,888
  • Avg. Volume 4,131,900
  • Market Cap (intraday) 165.761M
  • Beta (5Y Monthly) 3.25
  • PE Ratio (TTM) --
  • EPS (TTM) -0.4500
  • Earnings Date (est.) Nov 5, 2026
  • Forward Dividend & Yield --
  • Ex-Dividend Date --
  • 1y Target Est 2.30

Quantum-Si incorporated, a life sciences company, develops proprietary, universal, and single-molecule detection platform applied to proteomics to enable next-gen protein sequencing (NGPS). The company offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid level resolution, and automated data analysis; library preparation kits to prepare a customer's protein sample for sequencing; and sequencing kits, which contain the reagents and consumables used to perform NGPS. It also provides Platinum analysis software, a cloud-based solution that automates data analysis workflows and visualizes the sequencing results. The company was founded in 2013 and is headquartered in Branford, Connecticut.

www.quantum-si.com

145

Full Time Employees

December 31

Fiscal Year Ends

Healthcare

Sector

Medical Devices

Industry

Performance Overview

Trailing total returns as of 9/1/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .

YTD Return

QSI
31.15%
S&P 500 (^GSPC)
11.48%

1-Year Return

QSI
32.38%
S&P 500 (^GSPC)
18.13%

3-Year Return

QSI
68.05%
S&P 500 (^GSPC)
69.00%

5-Year Return

QSI
92.24%
S&P 500 (^GSPC)
68.69%

Earnings Trends

View More

Earnings Per Share

GAAP
Normalized
GAAP
Normalized

Revenue vs. Earnings

Annual
Quarterly
Annual
Quarterly
Q1 FY26
Revenue 258k
Earnings -21.67M
Profit Margin -8,399.61%

Q3

FY25

Q4

FY25

Q1

FY26

-30M
-20M
-10M
0
-8000.0%
-7000.0%
-6000.0%
-5000.0%
-4000.0%

Analyst Insights

View More

Analyst Price Targets

1.00
2.30 Average
0.7573 Current
4.00 High

Analyst Recommendations

  • Strong Buy
  • Buy
  • Hold
  • Underperform
  • Sell

Latest Rating

Date 3/5/2026
Analyst Canaccord Genuity
Rating Action Maintains
Rating Hold
Price Action Lowers
Price Target 1.5 -> 1

Statistics

View More

Valuation Measures

Annual
As of 8/31/2026
  • Market Cap

    168.10M

  • Enterprise Value

    59.61M

  • Trailing P/E

    --

  • Forward P/E

    --

  • PEG Ratio (5yr expected)

    --

  • Price/Sales (ttm)

    102.53

  • Price/Book (mrq)

    0.93

  • Enterprise Value/Revenue

    36.86

  • Enterprise Value/EBITDA

    --

Financial Highlights

Profitability and Income Statement

  • Profit Margin

    0.00%

  • Return on Assets (ttm)

    -25.71%

  • Return on Equity (ttm)

    -49.11%

  • Revenue (ttm)

    1.6M

  • Net Income Avi to Common (ttm)

    -98.52M

  • Diluted EPS (ttm)

    -0.4500

Balance Sheet and Cash Flow

  • Total Cash (mrq)

    111.74M

  • Total Debt/Equity (mrq)

    1.81%

  • Levered Free Cash Flow (ttm)

    -50.13M

Compare

Select to analyze similar companies using key performance metrics; select up to 4 stocks.

Company Insights

Fair Value

0.7573 Current

Dividend Score

0 Low
Sector Avg.
100 High

Hiring Score

0 Low
Sector Avg.
100 High

Insider Sentiment Score

0 Low
Sector Avg.
100 High

People Also Watch

Mobilize your Website
View Site in Mobile | Classic
Share by: