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Side-by-side financial comparison of Arq, Inc. (ARQ) and DELCATH SYSTEMS, INC. (DCTH). Click either name above to swap in a different company.

Arq, Inc. is the larger business by last-quarter revenue ($29.4M vs $20.7M, roughly 1.4× DELCATH SYSTEMS, INC.). On growth, DELCATH SYSTEMS, INC. posted the faster year-over-year revenue change (37.3% vs 8.8%). DELCATH SYSTEMS, INC. produced more free cash flow last quarter ($7.7M vs $-3.5M). Over the past eight quarters, DELCATH SYSTEMS, INC.'s revenue compounded faster (157.0% 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.

Delcath Systems, Inc. is a publicly traded specialty pharmaceutical and medical device company, that develops percutaneous perfusion technologies for the targeted administration of high-dose chemotherapeutic agents to specific organs or regions of the body. Based in Queensbury, New York, the company has an intellectual property portfolio consisting of 28 patents worldwide. Delcath's Percutaneous Hepatic Perfusion (PHP) is currently undergoing Phase II and Phase III trials against tumors in th...

ARQ vs DCTH — Head-to-Head

Bigger by revenue
ARQ
ARQ
1.4× larger
ARQ
$29.4M
$20.7M
DCTH
Growing faster (revenue YoY)
DCTH
DCTH
+28.4% gap
DCTH
37.3%
8.8%
ARQ
More free cash flow
DCTH
DCTH
$11.2M more FCF
DCTH
$7.7M
$-3.5M
ARQ
Faster 2-yr revenue CAGR
DCTH
DCTH
Annualised
DCTH
157.0%
16.4%
ARQ

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ARQ
ARQ
DCTH
DCTH
Revenue
$29.4M
$20.7M
Net Profit
$-1.9M
Gross Margin
13.6%
85.5%
Operating Margin
-174.1%
-10.5%
Net Margin
-9.1%
Revenue YoY
8.8%
37.3%
Net Profit YoY
44.2%
EPS (diluted)
$-1.20
$-0.05

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
DCTH
DCTH
Q4 25
$29.4M
$20.7M
Q3 25
$35.1M
$20.6M
Q2 25
$28.6M
$24.2M
Q1 25
$27.2M
$19.8M
Q4 24
$27.0M
$15.1M
Q3 24
$34.8M
$11.2M
Q2 24
$25.4M
$7.8M
Q1 24
$21.7M
$3.1M
Net Profit
ARQ
ARQ
DCTH
DCTH
Q4 25
$-1.9M
Q3 25
$-653.0K
$830.0K
Q2 25
$-2.1M
$2.7M
Q1 25
$203.0K
$1.1M
Q4 24
$-3.4M
Q3 24
$1.6M
$1.9M
Q2 24
$-2.0M
$-13.7M
Q1 24
$-3.4M
$-11.1M
Gross Margin
ARQ
ARQ
DCTH
DCTH
Q4 25
13.6%
85.5%
Q3 25
28.8%
87.2%
Q2 25
33.3%
86.3%
Q1 25
36.4%
85.6%
Q4 24
36.3%
85.9%
Q3 24
38.6%
85.4%
Q2 24
32.2%
80.4%
Q1 24
36.9%
71.2%
Operating Margin
ARQ
ARQ
DCTH
DCTH
Q4 25
-174.1%
-10.5%
Q3 25
-2.4%
-1.9%
Q2 25
-5.4%
10.7%
Q1 25
2.4%
3.2%
Q4 24
1.5%
20.1%
Q3 24
5.8%
-11.2%
Q2 24
-5.6%
-50.4%
Q1 24
-13.7%
-327.4%
Net Margin
ARQ
ARQ
DCTH
DCTH
Q4 25
-9.1%
Q3 25
-1.9%
4.0%
Q2 25
-7.5%
11.2%
Q1 25
0.7%
5.4%
Q4 24
-22.5%
Q3 24
4.7%
16.6%
Q2 24
-7.7%
-176.9%
Q1 24
-15.7%
-354.0%
EPS (diluted)
ARQ
ARQ
DCTH
DCTH
Q4 25
$-1.20
$-0.05
Q3 25
$-0.02
$0.02
Q2 25
$-0.05
$0.07
Q1 25
$0.00
$0.03
Q4 24
$-0.03
$-0.06
Q3 24
$0.04
$0.06
Q2 24
$-0.06
$-0.48
Q1 24
$-0.09
$-0.45

Balance Sheet & Financial Strength

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

Metric
ARQ
ARQ
DCTH
DCTH
Cash + ST InvestmentsLiquidity on hand
$6.6M
$43.5M
Total DebtLower is stronger
$28.7M
Stockholders' EquityBook value
$168.0M
$111.2M
Total Assets
$230.6M
$123.6M
Debt / EquityLower = less leverage
0.17×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARQ
ARQ
DCTH
DCTH
Q4 25
$6.6M
$43.5M
Q3 25
$7.0M
$41.8M
Q2 25
$7.0M
$34.4M
Q1 25
$6.3M
$12.8M
Q4 24
$13.5M
$32.4M
Q3 24
$48.7M
$8.3M
Q2 24
$28.5M
$14.8M
Q1 24
$35.2M
$11.8M
Total Debt
ARQ
ARQ
DCTH
DCTH
Q4 25
$28.7M
Q3 25
$26.1M
Q2 25
$28.9M
Q1 25
$27.1M
Q4 24
$25.1M
$0
Q3 24
$21.6M
$2.0M
Q2 24
$22.2M
$4.5M
Q1 24
$22.6M
$7.4M
Stockholders' Equity
ARQ
ARQ
DCTH
DCTH
Q4 25
$168.0M
$111.2M
Q3 25
$217.2M
$114.8M
Q2 25
$216.8M
$105.0M
Q1 25
$218.2M
$80.2M
Q4 24
$217.3M
$68.7M
Q3 24
$218.1M
$8.6M
Q2 24
$189.6M
$4.2M
Q1 24
$175.2M
$14.6M
Total Assets
ARQ
ARQ
DCTH
DCTH
Q4 25
$230.6M
$123.6M
Q3 25
$277.9M
$124.3M
Q2 25
$284.5M
$116.9M
Q1 25
$283.7M
$87.3M
Q4 24
$284.4M
$76.6M
Q3 24
$280.0M
$31.7M
Q2 24
$248.6M
$33.9M
Q1 24
$229.8M
$36.1M
Debt / Equity
ARQ
ARQ
DCTH
DCTH
Q4 25
0.17×
Q3 25
0.12×
Q2 25
0.13×
Q1 25
0.12×
Q4 24
0.12×
0.00×
Q3 24
0.10×
0.23×
Q2 24
0.12×
1.07×
Q1 24
0.13×
0.50×

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
DCTH
DCTH
Operating Cash FlowLast quarter
$-2.8M
$8.2M
Free Cash FlowOCF − Capex
$-3.5M
$7.7M
FCF MarginFCF / Revenue
-12.0%
37.1%
Capex IntensityCapex / Revenue
2.7%
2.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-11.3M
$21.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARQ
ARQ
DCTH
DCTH
Q4 25
$-2.8M
$8.2M
Q3 25
$5.3M
$4.8M
Q2 25
$527.0K
$7.3M
Q1 25
$-5.8M
$2.2M
Q4 24
$5.2M
$-1.0M
Q3 24
$7.7M
$-3.6M
Q2 24
$-3.0M
$-4.5M
Q1 24
$526.0K
$-9.6M
Free Cash Flow
ARQ
ARQ
DCTH
DCTH
Q4 25
$-3.5M
$7.7M
Q3 25
$3.1M
$4.3M
Q2 25
$-1.4M
$6.9M
Q1 25
$-9.5M
$2.1M
Q4 24
$-37.8M
$-1.2M
Q3 24
$-5.8M
$-3.9M
Q2 24
$-22.1M
$-4.6M
Q1 24
$-9.1M
$-9.6M
FCF Margin
ARQ
ARQ
DCTH
DCTH
Q4 25
-12.0%
37.1%
Q3 25
8.8%
21.0%
Q2 25
-4.7%
28.5%
Q1 25
-34.9%
10.4%
Q4 24
-139.6%
-8.2%
Q3 24
-16.5%
-34.4%
Q2 24
-87.1%
-58.6%
Q1 24
-41.7%
-305.7%
Capex Intensity
ARQ
ARQ
DCTH
DCTH
Q4 25
2.7%
2.7%
Q3 25
6.3%
2.2%
Q2 25
6.6%
1.6%
Q1 25
13.6%
0.7%
Q4 24
158.9%
1.5%
Q3 24
38.7%
1.9%
Q2 24
75.5%
1.3%
Q1 24
44.1%
0.4%
Cash Conversion
ARQ
ARQ
DCTH
DCTH
Q4 25
Q3 25
5.75×
Q2 25
2.70×
Q1 25
-28.59×
2.06×
Q4 24
Q3 24
4.76×
-1.95×
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.

DCTH
DCTH

HEPZATOKIT$19.1M92%
CHEMOSAT$1.7M8%

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