QSI

MKT CAP:$184M

Quantum-Si incorporated

Market Cap

$184M

Healthcare·Biotechnology·🇺🇸 United States·NASDAQ

Healthcare·Biotechnology·🇺🇸·NASDAQ

Stock Price

$0.95-$0.21 (-18.09%)

Apr 23, 2026

Company Details

Quantum-Si incorporated, a life sciences company, develops a single molecule detection platform for sample preparation and sequencing. It offers a proprietary single molecule detection platform for use in semiconductor industry to field pro...

CEO

Jeffrey Alan Hawkins

IPO Date

Nov 13, 2020

Website

www.quantum-si.com

Key Metrics TTM

Revenue

$2M

-20.3% YoY

Net Income

-$101M

EPS (Diluted)

-$0.52

Free Cash Flow

-$97M

Revenue / Share

$0.01

Gross Margin

-135.5%

Operating Margin

-4766.0%

Net Margin

-4160.1%

FCF Margin

-3991.5%

P/S

75.5x

P/E

—

Earnings Reports

FY 2025

Mar 3, 2026

$2M-20.3%EPS -$0.51

Q4 2025

Mar 3, 2026

$451.0K-62.2%EPS -$0.08

Q3 2025

Nov 5, 2025

$552.0K-29.9%EPS -$0.17

Q2 2025

Aug 5, 2025

$591.0K-5.0%EPS -$0.16

Q1 2025

May 15, 2025

$842.0K+84.2%EPS -$0.11

Revenue & Profitability

Quarter	Revenue	Gross Profit	Operating Income
Q1 22	$0	$0	-$27M
Q2 22	$0	$0	-$30M
Q3 22	$0	$0	-$28M
Q4 22	$0	$0	-$39M
Q1 23	$254.0K	$124.0K	-$29M
Q2 23	$205.0K	$78.0K	-$27M
Q3 23	$223.0K	$108.0K	-$27M
Q4 23	$400.0K	$178.0K	-$28M
Q1 24	$457.0K	$269.0K	-$23M
Q2 24	$622.0K	$354.0K	-$26M
Q3 24	$787.0K	$367.0K	-$28M
Q4 24	$1M	$610.0K	-$31M
Q1 25	$842.0K	$486.0K	-$25M
Q2 25	$591.0K	$351.0K	-$30M
Q3 25	$552.0K	$194.0K	-$40M
Q4 25	$451.0K	-$4M	-$21M

Valuation

Quarter	P/S	P/E
Q1 22	—	—
Q2 22	—	—
Q3 22	—	—
Q4 22	—	—
Q1 23	723.9x	—
Q2 23	400.6x	—
Q3 23	269.6x	—
Q4 23	169.9x	—
Q1 24	143.1x	—
Q2 24	108.0x	—
Q3 24	81.1x	—
Q4 24	60.1x	—
Q1 25	53.4x	—
Q2 25	53.9x	—
Q3 25	57.9x	—
Q4 25	75.5x	—

Operating Cash Flow

Quarter	Operating CF	Free CF
Q1 22	-$23M	-$26M
Q2 22	-$26M	-$29M
Q3 22	-$22M	-$24M
Q4 22	-$20M	-$23M
Q1 23	-$29M	-$32M
Q2 23	-$23M	-$24M
Q3 23	-$21M	-$23M
Q4 23	-$21M	-$21M
Q1 24	-$23M	-$24M
Q2 24	-$19M	-$20M
Q3 24	-$23M	-$24M
Q4 24	-$23M	-$24M
Q1 25	-$26M	-$27M
Q2 25	-$20M	-$21M
Q3 25	-$32M	-$33M
Q4 25	-$16M	-$16M

Capital Expenditures

Quarter	CapEx
Q1 22	$3M
Q2 22	$3M
Q3 22	$2M
Q4 22	$4M
Q1 23	$3M
Q2 23	$801.0K
Q3 23	$1M
Q4 23	$367.0K
Q1 24	$1M
Q2 24	$1M
Q3 24	$975.0K
Q4 24	$1M
Q1 25	$1M
Q2 25	$327.0K
Q3 25	$900.0K
Q4 25	$17.0K

CapEx

OpEx vs Revenue Growth (YoY)

Quarter	Revenue Growth	OpEx Growth
Q1 22	—	+130.4%
Q2 22	—	-6.1%
Q3 22	—	+9.9%
Q4 22	—	+39.8%
Q1 23	—	+8.6%
Q2 23	—	-10.3%
Q3 23	—	-0.9%
Q4 23	—	-27.2%
Q1 24	+79.9%	-19.2%
Q2 24	+203.4%	-0.1%
Q3 24	+252.9%	+5.4%
Q4 24	+198.0%	+12.7%
Q1 25	+84.2%	+9.0%
Q2 25	-5.0%	+13.4%
Q3 25	-29.9%	+39.7%
Q4 25	-62.2%	-32.4%

Stock-Based Compensation

Quarter	SBC ($)	% of Revenue
Q1 22	-$714.0K	—
Q2 22	$0	—
Q3 22	$4M	—
Q4 22	$4M	—
Q1 23	$4M	1538.6%
Q2 23	$2M	909.8%
Q3 23	$1M	511.7%
Q4 23	$2M	400.5%
Q1 24	$2M	360.0%
Q2 24	$2M	390.0%
Q3 24	$2M	306.4%
Q4 24	$2M	201.8%
Q1 25	$2M	280.5%
Q2 25	$3M	490.0%
Q3 25	$3M	512.1%
Q4 25	$3M	596.0%

OpEx Breakdown

Quarter	R&D	S&M	SG&A
Q1 22	$19M	$8M	—
Q2 22	$18M	$12M	—
Q3 22	$17M	$11M	—
Q4 22	$18M	—	$11M
Q1 23	$18M	—	$11M
Q2 23	$16M	—	$11M
Q3 23	$17M	—	$11M
Q4 23	$16M	—	$12M
Q1 24	$12M	—	$12M
Q2 24	$14M	—	$12M
Q3 24	$16M	—	$12M
Q4 24	$17M	—	$14M
Q1 25	$14M	—	$12M
Q2 25	$15M	—	$12M
Q3 25	$14M	—	$11M
Q4 25	$11M	—	$10M

Revenue Segments

Quarter	Product	Service
Q1 23	$251.0K	$3.0K
Q2 23	$187.0K	$18.0K
Q3 23	$216.0K	$7.0K
Q1 24	$428.0K	$29.0K
Q2 24	$584.0K	$38.0K
Q3 24	$764.0K	$23.0K
Q1 25	$808.0K	$34.0K
Q2 25	$558.0K	$33.0K
Q3 25	$505.0K	$47.0K
Q4 25	$415.0K	$36.0K

Revenue by Geography

Quarter	Domestic	International	Non-US	United States
Q3 23	$209.0K	$14.0K	—	—
Q2 24	—	—	$400.0K	$200.0K
Q3 24	—	—	$400.0K	$400.0K
Q1 25	—	—	$719.0K	$123.0K
Q2 25	—	—	$435.0K	$156.0K
Q3 25	—	—	$341.0K	$211.0K
Q4 25	—	—	$242.0K	$209.0K

War Chest

Quarter	Cash	Short-term Investments	Total
Q1 22	$35M	$400M	$435M
Q2 22	$81M	$319M	$401M
Q3 22	$78M	$294M	$372M
Q4 22	$84M	$267M	$351M
Q1 23	$82M	$240M	$322M
Q2 23	$88M	$209M	$297M
Q3 23	$94M	$181M	$275M
Q4 23	$134M	$124M	$258M
Q1 24	$53M	$182M	$235M
Q2 24	$60M	$159M	$218M
Q3 24	$42M	$154M	$196M
Q4 24	$49M	$160M	$210M
Q1 25	$37M	$195M	$233M
Q2 25	$22M	$192M	$214M
Q3 25	$31M	$195M	$226M
Q4 25	$22M	$141M	$163M

Shares Outstanding

Quarter	Shares (Diluted)	QoQ Change	YoY Change
Q1 22	139M	+0.9%	+2407.3%
Q2 22	139M	+0.3%	+1088.4%
Q3 22	140M	+0.4%	+2.3%
Q4 22	140M	+0.2%	+1.8%
Q1 23	140M	+0.3%	+1.2%
Q2 23	142M	+0.9%	+1.8%
Q3 23	142M	+0.1%	+1.5%
Q4 23	142M	-0.1%	+1.2%
Q1 24	142M	+0.1%	+1.1%
Q2 24	142M	+0.1%	+0.3%
Q3 24	142M	+0.3%	+0.5%
Q4 24	146M	+2.8%	+3.4%
Q1 25	182M	+24.6%	+28.6%
Q2 25	184M	+0.7%	+29.4%
Q3 25	209M	+13.8%	+46.8%
Q4 25	198M	-5.4%	+35.2%

Shares Outstanding

Revenue Per Employee

Period	Revenue/Employee	Employees
Q1 22	$0	153
Q2 22	$0	153
Q3 22	$0	153
Q4 22	$0	202
Q1 23	$1.3K	202
Q2 23	$1.0K	202
Q3 23	$1.1K	202
Q4 23	$2.4K	165
Q1 24	$2.8K	165
Q2 24	$3.8K	165
Q3 24	$4.8K	165
Q4 24	$8.3K	143
Q1 25	$5.9K	143
Q2 25	$4.1K	143
Q3 25	$3.9K	143
Q4 25	$3.3K	138

Revenue / Employee