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Quantum-Si incorporated (QSI)

1.4600 -0.2900 (-16.57%)
At close: October 30 at 4:00:00 PM EDT
1.4657 +0.0057 (+0.39%)
After hours: October 30 at 7:56:42 PM EDT
Chart Range Bar
Loading chart for QSI
  • Previous Close 1.7500
  • Open 1.5650
  • Bid 0.5415 x 200
  • Ask 0.9885 x 200
  • Day's Range 1.4050 - 1.5999
  • 52 Week Range 0.6900 - 2.1850
  • Volume 9,872,279
  • Avg. Volume 6,136,970
  • Market Cap (intraday) 319.57M
  • Beta (5Y Monthly) 3.22
  • PE Ratio (TTM) --
  • EPS (TTM) -0.4500
  • Earnings Date Nov 5, 2026
  • Forward Dividend & Yield -- (0.00%)
  • 1y Target Est 2.28
  • Zacks Rating Neutral

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 10/30/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .

YTD Return

QSI
32.73%
S&P 500 (^GSPC)
10.73%

1-Year Return

QSI
28.08%
S&P 500 (^GSPC)
11.11%

3-Year Return

QSI
24.79%
S&P 500 (^GSPC)
81.91%

5-Year Return

QSI
81.89%
S&P 500 (^GSPC)
64.59%

Earnings Trends

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Earnings Per Share

GAAP
Normalized
GAAP
Normalized

Revenue vs. Earnings

Annual
Quarterly
Annual
Quarterly
Q2 FY26
Revenue 344k
Earnings -23.53M
Profit Margin -6,841.28%

Q3

FY25

Q4

FY25

Q1

FY26

Q2

FY26

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

Analyst Insights

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Analyst Price Targets

1.00 Low
2.28 Average
1.4600 Current
3.95 High

Analyst Recommendations

  • Strong Buy
  • Buy
  • Hold
  • Underperform
  • Sell

Latest Rating

Date 9/29/2026
Analyst HC Wainwright & Co.
Rating Action Reiterates
Rating Buy
Price Action Maintains
Price Target 4 -> 4

Statistics

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Valuation Measures

Annual
As of 10/30/2026
  • Market Cap

    318.48M

  • Enterprise Value

    209.99M

  • Trailing P/E

    --

  • Forward P/E

    --

  • PEG Ratio (current)

    --

  • Price/Sales (ttm)

    194.78

  • Price/Book (mrq)

    1.77

  • Enterprise Value/Revenue

    130.83

  • 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

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Company Insights

Fair Value

1.4600 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

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