quantum si inc - QSI

QSI

Close Chg Chg %
1.23 0.08 6.50%

Closed Market

1.31

+0.08 (6.50%)

Volume: 4.34M

Last Updated:

Dec 24, 2025, 1:00 PM EDT

Company Overview: quantum si inc - QSI

QSI Key Data

Open

$1.24

Day Range

1.24 - 1.33

52 Week Range

0.95 - 5.77

Market Cap

$265.05M

Shares Outstanding

215.49M

Public Float

172.04M

Beta

2.99

Rev. Per Employee

N/A

P/E Ratio

N/A

EPS

-$0.66

Yield

0.00%

Dividend

N/A

EX-DIVIDEND DATE

SHORT INTEREST

N/A

AVERAGE VOLUME

4.20M

 

QSI Performance

1 Week
 
3.15%
 
1 Month
 
-7.09%
 
3 Months
 
-12.08%
 
1 Year
 
-63.61%
 
5 Years
 
-87.13%
 

QSI Analyst Ratings

  • Sell
  • Under
  • Hold
  • Over
  • Buy
Number of Ratings 3
Full Ratings ➔

About quantum si inc - QSI

Quantum-Si, Inc. is a life sciences company focused on revolutionizing the growing field of proteomics. It engages in the development of a proprietary universal single-molecule detection platform to enable Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins in a massively parallel fashion. Its platform includes platinum NGPS instrument, platinum analysis software, and consumable kits for platinum instrument. The company was founded by Jonathan M. Rothberg on June 24, 2013 and is headquartered in Branford, CT.

QSI At a Glance

Quantum-Si, Inc.
29 Business Park Drive
Branford, Connecticut 06405
Phone 1-866-688-7374 Revenue 3.06M
Industry Packaged Software Net Income -101,007,000.00
Sector Technology Services 2024 Sales Growth 182.625%
Fiscal Year-end 12 / 2025 Employees 149
View SEC Filings

QSI Valuation

P/E Current N/A
P/E Ratio (with extraordinary items) N/A
P/E Ratio (without extraordinary items) N/A
Price to Sales Ratio 126.432
Price to Book Ratio 2.092
Price to Cash Flow Ratio N/A
Enterprise Value to EBITDA -1.879
Enterprise Value to Sales 62.124
Total Debt to Enterprise Value 0.068

QSI Efficiency

Revenue/Employee 20,523.49
Income Per Employee -677,899.329
Receivables Turnover 1.995
Total Asset Turnover 0.011

QSI Liquidity

Current Ratio 11.987
Quick Ratio 11.763
Cash Ratio 11.525

QSI Profitability

Gross Margin -117.724
Operating Margin -3,476.88
Pretax Margin -3,301.21
Net Margin -3,303.041
Return on Assets -36.991
Return on Equity -41.478
Return on Total Capital -44.23
Return on Invested Capital -39.609

QSI Capital Structure

Total Debt to Total Equity 6.011
Total Debt to Total Capital 5.67
Total Debt to Total Assets 5.224
Long-Term Debt to Equity 4.294
Long-Term Debt to Total Capital 4.05
  • Income Statement
  • Balance Sheet
  • Cash Flow Statement

Annual Financials for Quantum Si Inc - QSI

Collapse All in section
All values USD millions. 2021 2022 2023 2024 5-year trend
Sales/Revenue
- - 1.08M 3.06M
-
Sales Growth
- - - +182.62%
-
Cost of Goods Sold (COGS) incl D&A
1.04M 2.58M 4.75M 6.66M
COGS excluding D&A
- - - -
-
Depreciation & Amortization Expense
1.04M 2.58M 4.16M 5.20M
Depreciation
1.04M 2.58M 3.96M 4.60M
Amortization of Intangibles
- - 200.00K 600.00K
-
COGS Growth
- +148.22% +83.82% +40.17%
Gross Income
(1.04M) (2.58M) (3.67M) (3.60M)
Gross Income Growth
- -148.22% -41.95% +1.85%
Gross Profit Margin
- - -339.00% -117.72%
-
2021 2022 2023 2024 5-year trend
SG&A Expense
88.95M 111.77M 103.00M 102.72M
Research & Development
46.58M 72.06M 63.94M 58.09M
Other SG&A
42.37M 39.71M 39.06M 44.63M
SGA Growth
+33,428.09% +25.66% -7.85% -0.27%
Other Operating Expense
- - - -
-
Unusual Expense
7.56M 19.40M (805.00K) 5.97M
EBIT after Unusual Expense
(97.55M) (133.76M) (105.86M) (112.30M)
Non Operating Income/Expense
2.57M 1.32M 9.90M 11.35M
Non-Operating Interest Income
- - - -
-
Equity in Earnings of Affiliates
- - - -
-
Interest Expense
- - - 5.00K
-
Interest Expense Growth
- - - -100.00%
-
Gross Interest Expense
- - - 5.00K
-
Interest Capitalized
- - - -
-
Pretax Income
(94.99M) (132.44M) (95.96M) (100.95M)
Pretax Income Growth
-2,548.60% -39.43% +27.55% -5.20%
Pretax Margin
- - -8,868.76% -3,301.21%
-
Income Tax
- - - 56.00K
-
Income Tax - Current - Domestic
- - - -
-
Income Tax - Current - Foreign
- - - 56.00K
-
Income Tax - Deferred - Domestic
- - - -
-
Income Tax - Deferred - Foreign
- - - -
-
Income Tax Credits
- - - -
-
Equity in Earnings of Affiliates
- - - -
-
Other After Tax Income (Expense)
- - - -
-
Consolidated Net Income
(94.99M) (132.44M) (95.96M) (101.01M)
Minority Interest Expense
- - - -
-
Net Income
(94.99M) (132.44M) (95.96M) (101.01M)
Net Income Growth
-2,548.60% -39.43% +27.55% -5.26%
Net Margin Growth
- - -8,868.76% -3,303.04%
-
Extraordinaries & Discontinued Operations
- - - -
-
Discontinued Operations
- - - -
-
Net Income After Extraordinaries
(94.99M) (132.44M) (95.96M) (101.01M)
Preferred Dividends
- - - -
-
Net Income Available to Common
(94.99M) (132.44M) (95.96M) (101.01M)
EPS (Basic)
-1.1937 -0.9511 -0.6791 -0.7054
EPS (Basic) Growth
-392.04% +20.32% +28.60% -3.87%
Basic Shares Outstanding
79.58M 139.26M 141.30M 143.20M
EPS (Diluted)
-1.1937 -0.9511 -0.6791 -0.7054
EPS (Diluted) Growth
-392.04% +20.32% +28.60% -3.87%
Diluted Shares Outstanding
79.58M 139.26M 141.30M 143.20M
EBITDA
(88.95M) (111.77M) (102.51M) (101.12M)
EBITDA Growth
-33,428.21% -25.66% +8.29% +1.35%
EBITDA Margin
- - -9,474.21% -3,306.83%
-

Snapshot

Average Recommendation OVERWEIGHT Average Target Price 2.833
Number of Ratings 3 Current Quarters Estimate -0.122
FY Report Date 12 / 2025 Current Year's Estimate -0.53
Last Quarter’s Earnings -0.17 Median PE on CY Estimate N/A
Year Ago Earnings -0.71 Next Fiscal Year Estimate -0.448
Median PE on Next FY Estimate N/A

Earnings Per Share

This Quarter Next Quarter This Fiscal Next Fiscal
# of Estimates 3 3 3 3
Mean Estimate -0.12 -0.12 -0.53 -0.45
High Estimates -0.10 -0.11 -0.42 -0.41
Low Estimate -0.14 -0.13 -0.63 -0.50
Coefficient of Variance -15.78 -10.87 -19.99 -10.96

Analysts Recommendations

Current 1 Month Ago 3 Months Ago
BUY 2 2 2
OVERWEIGHT 0 0 0
HOLD 1 1 1
UNDERWEIGHT 0 0 0
SELL 0 0 0
MEAN Overweight Overweight Overweight

Insider Actions for Quantum Si Inc - QSI

Date Name Shares Transaction Value
Mar 25, 2025 Jeffrey Alan Hawkins President & CEO; Director 2,646,716 Open market or private sale of non-derivative or derivative security Non-derivative transaction at $1.39 per share 3,678,935.24
Mar 25, 2025 Jeffry R. Keyes Chief Financial Officer 1,188,194 Open market or private sale of non-derivative or derivative security Non-derivative transaction at $1.39 per share 1,651,589.66
Mar 25, 2025 Christian LaPointe General Counsel & Corp. Secr. 983,480 Open market or private sale of non-derivative or derivative security Non-derivative transaction at $1.39 per share 1,367,037.20
Mar 25, 2025 John S. Vieceli Chief Product Officer 864,509 Open market or private sale of non-derivative or derivative security Non-derivative transaction at $1.39 per share 1,201,667.51
Mar 17, 2025 Todd C. Bennett Chief Commercial Officer 718,485 Grant, award or other acq pursuant to Rule 16b-3(d) 0.00

Quantum Si Inc in the News