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Side-by-side financial comparison of Arq, Inc. (ARQ) and 908 Devices Inc. (MASS). Click either name above to swap in a different company.

Arq, Inc. is the larger business by last-quarter revenue ($29.4M vs $17.4M, roughly 1.7× 908 Devices Inc.). On growth, 908 Devices Inc. posted the faster year-over-year revenue change (21.2% vs 8.8%). 908 Devices Inc. produced more free cash flow last quarter ($1.3M vs $-3.5M). Over the past eight quarters, 908 Devices Inc.'s revenue compounded faster (53.0% CAGR vs 16.4%).

Arq, Inc. is a sustainable technology firm focused on processing coal mining waste to produce high-value, low-carbon solid fuels and industrial carbon products. It caters to customers across the energy, construction, and manufacturing sectors, with core markets in North America and major European regions, aiming to cut industrial waste and carbon footprints for its clients.

908 Devices Inc. develops and manufactures portable, high-performance mass spectrometry devices and analytical solutions. Its products serve use cases across life science research, biopharmaceutical manufacturing, public safety, forensics, and industrial process monitoring, catering to global customers including research institutions, pharmaceutical firms and government agencies.

ARQ vs MASS — Head-to-Head

Bigger by revenue
ARQ
ARQ
1.7× larger
ARQ
$29.4M
$17.4M
MASS
Growing faster (revenue YoY)
MASS
MASS
+12.3% gap
MASS
21.2%
8.8%
ARQ
More free cash flow
MASS
MASS
$4.9M more FCF
MASS
$1.3M
$-3.5M
ARQ
Faster 2-yr revenue CAGR
MASS
MASS
Annualised
MASS
53.0%
16.4%
ARQ

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ARQ
ARQ
MASS
MASS
Revenue
$29.4M
$17.4M
Net Profit
$4.2M
Gross Margin
13.6%
52.7%
Operating Margin
-174.1%
17.8%
Net Margin
24.0%
Revenue YoY
8.8%
21.2%
Net Profit YoY
121.5%
EPS (diluted)
$-1.20
$0.09

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ARQ
ARQ
MASS
MASS
Q4 25
$29.4M
$17.4M
Q3 25
$35.1M
$14.0M
Q2 25
$28.6M
$13.0M
Q1 25
$27.2M
$11.8M
Q4 24
$27.0M
$14.3M
Q3 24
$34.8M
$14.5M
Q2 24
$25.4M
$11.5M
Q1 24
$21.7M
$7.4M
Net Profit
ARQ
ARQ
MASS
MASS
Q4 25
$4.2M
Q3 25
$-653.0K
$-15.0M
Q2 25
$-2.1M
$-13.3M
Q1 25
$203.0K
$43.6M
Q4 24
$-19.4M
Q3 24
$1.6M
$-29.3M
Q2 24
$-2.0M
$-12.5M
Q1 24
$-3.4M
$-10.9M
Gross Margin
ARQ
ARQ
MASS
MASS
Q4 25
13.6%
52.7%
Q3 25
28.8%
52.5%
Q2 25
33.3%
48.9%
Q1 25
36.4%
47.0%
Q4 24
36.3%
46.5%
Q3 24
38.6%
53.6%
Q2 24
32.2%
53.8%
Q1 24
36.9%
52.4%
Operating Margin
ARQ
ARQ
MASS
MASS
Q4 25
-174.1%
17.8%
Q3 25
-2.4%
-116.6%
Q2 25
-5.4%
-116.3%
Q1 25
2.4%
-93.6%
Q4 24
1.5%
-116.8%
Q3 24
5.8%
-168.7%
Q2 24
-5.6%
-74.5%
Q1 24
-13.7%
-102.5%
Net Margin
ARQ
ARQ
MASS
MASS
Q4 25
24.0%
Q3 25
-1.9%
-107.0%
Q2 25
-7.5%
-102.1%
Q1 25
0.7%
370.2%
Q4 24
-135.6%
Q3 24
4.7%
-201.8%
Q2 24
-7.7%
-109.5%
Q1 24
-15.7%
-147.1%
EPS (diluted)
ARQ
ARQ
MASS
MASS
Q4 25
$-1.20
$0.09
Q3 25
$-0.02
$-0.41
Q2 25
$-0.05
$-0.37
Q1 25
$0.00
$1.23
Q4 24
$-0.03
$-0.58
Q3 24
$0.04
$-0.84
Q2 24
$-0.06
$-0.37
Q1 24
$-0.09
$-0.33

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ARQ
ARQ
MASS
MASS
Cash + ST InvestmentsLiquidity on hand
$6.6M
$113.0M
Total DebtLower is stronger
$28.7M
Stockholders' EquityBook value
$168.0M
$143.7M
Total Assets
$230.6M
$190.1M
Debt / EquityLower = less leverage
0.17×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARQ
ARQ
MASS
MASS
Q4 25
$6.6M
$113.0M
Q3 25
$7.0M
$112.1M
Q2 25
$7.0M
$118.6M
Q1 25
$6.3M
$124.3M
Q4 24
$13.5M
$69.6M
Q3 24
$48.7M
$71.7M
Q2 24
$28.5M
$77.4M
Q1 24
$35.2M
$134.2M
Total Debt
ARQ
ARQ
MASS
MASS
Q4 25
$28.7M
Q3 25
$26.1M
Q2 25
$28.9M
Q1 25
$27.1M
Q4 24
$25.1M
Q3 24
$21.6M
Q2 24
$22.2M
Q1 24
$22.6M
Stockholders' Equity
ARQ
ARQ
MASS
MASS
Q4 25
$168.0M
$143.7M
Q3 25
$217.2M
$136.3M
Q2 25
$216.8M
$148.8M
Q1 25
$218.2M
$159.4M
Q4 24
$217.3M
$114.6M
Q3 24
$218.1M
$131.0M
Q2 24
$189.6M
$156.4M
Q1 24
$175.2M
$156.9M
Total Assets
ARQ
ARQ
MASS
MASS
Q4 25
$230.6M
$190.1M
Q3 25
$277.9M
$190.9M
Q2 25
$284.5M
$191.7M
Q1 25
$283.7M
$196.0M
Q4 24
$284.4M
$159.5M
Q3 24
$280.0M
$178.3M
Q2 24
$248.6M
$208.8M
Q1 24
$229.8M
$189.8M
Debt / Equity
ARQ
ARQ
MASS
MASS
Q4 25
0.17×
Q3 25
0.12×
Q2 25
0.13×
Q1 25
0.12×
Q4 24
0.12×
Q3 24
0.10×
Q2 24
0.12×
Q1 24
0.13×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ARQ
ARQ
MASS
MASS
Operating Cash FlowLast quarter
$-2.8M
$1.3M
Free Cash FlowOCF − Capex
$-3.5M
$1.3M
FCF MarginFCF / Revenue
-12.0%
7.6%
Capex IntensityCapex / Revenue
2.7%
0.0%
Cash ConversionOCF / Net Profit
0.32×
TTM Free Cash FlowTrailing 4 quarters
$-11.3M
$-24.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARQ
ARQ
MASS
MASS
Q4 25
$-2.8M
$1.3M
Q3 25
$5.3M
$-4.2M
Q2 25
$527.0K
$-5.8M
Q1 25
$-5.8M
$-15.0M
Q4 24
$5.2M
$-2.2M
Q3 24
$7.7M
$-5.6M
Q2 24
$-3.0M
$-13.0M
Q1 24
$526.0K
$-9.4M
Free Cash Flow
ARQ
ARQ
MASS
MASS
Q4 25
$-3.5M
$1.3M
Q3 25
$3.1M
$-4.9M
Q2 25
$-1.4M
$-5.9M
Q1 25
$-9.5M
$-15.2M
Q4 24
$-37.8M
$-2.4M
Q3 24
$-5.8M
$-5.8M
Q2 24
$-22.1M
$-13.7M
Q1 24
$-9.1M
$-10.3M
FCF Margin
ARQ
ARQ
MASS
MASS
Q4 25
-12.0%
7.6%
Q3 25
8.8%
-34.9%
Q2 25
-4.7%
-45.3%
Q1 25
-34.9%
-128.9%
Q4 24
-139.6%
-17.0%
Q3 24
-16.5%
-39.7%
Q2 24
-87.1%
-119.4%
Q1 24
-41.7%
-138.2%
Capex Intensity
ARQ
ARQ
MASS
MASS
Q4 25
2.7%
0.0%
Q3 25
6.3%
4.9%
Q2 25
6.6%
0.9%
Q1 25
13.6%
1.4%
Q4 24
158.9%
1.3%
Q3 24
38.7%
1.1%
Q2 24
75.5%
5.6%
Q1 24
44.1%
12.2%
Cash Conversion
ARQ
ARQ
MASS
MASS
Q4 25
0.32×
Q3 25
Q2 25
Q1 25
-28.59×
-0.34×
Q4 24
Q3 24
4.76×
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ARQ
ARQ

Segment breakdown not available.

MASS
MASS

Products$14.3M82%
Services$3.0M18%

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