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

DELCATH SYSTEMS, INC. is the larger business by last-quarter revenue ($20.7M vs $16.7M, roughly 1.2× ASP Isotopes Inc.). On growth, ASP Isotopes Inc. posted the faster year-over-year revenue change (1295.7% vs 37.3%). DELCATH SYSTEMS, INC. produced more free cash flow last quarter ($7.7M vs $-47.4M).

ASP Isotopes Inc. is a specialty materials firm focused on developing and producing high-purity custom isotopes. Its products serve key sectors including nuclear medicine, targeted cancer therapies, advanced energy, and industrial research, with customers across North America, Europe and Asia Pacific.

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...

ASPI vs DCTH — Head-to-Head

Bigger by revenue
DCTH
DCTH
1.2× larger
DCTH
$20.7M
$16.7M
ASPI
Growing faster (revenue YoY)
ASPI
ASPI
+1258.4% gap
ASPI
1295.7%
37.3%
DCTH
More free cash flow
DCTH
DCTH
$55.1M more FCF
DCTH
$7.7M
$-47.4M
ASPI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASPI
ASPI
DCTH
DCTH
Revenue
$16.7M
$20.7M
Net Profit
$-1.9M
Gross Margin
12.5%
85.5%
Operating Margin
-10.5%
Net Margin
-9.1%
Revenue YoY
1295.7%
37.3%
Net Profit YoY
-586.8%
44.2%
EPS (diluted)
$-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
ASPI
ASPI
DCTH
DCTH
Q4 25
$16.7M
$20.7M
Q3 25
$4.9M
$20.6M
Q2 25
$24.2M
Q1 25
$19.8M
Q4 24
$15.1M
Q3 24
$11.2M
Q2 24
$7.8M
Q1 24
$3.1M
Net Profit
ASPI
ASPI
DCTH
DCTH
Q4 25
$-1.9M
Q3 25
$-12.9M
$830.0K
Q2 25
$2.7M
Q1 25
$1.1M
Q4 24
$-3.4M
Q3 24
$1.9M
Q2 24
$-13.7M
Q1 24
$-11.1M
Gross Margin
ASPI
ASPI
DCTH
DCTH
Q4 25
12.5%
85.5%
Q3 25
8.7%
87.2%
Q2 25
86.3%
Q1 25
85.6%
Q4 24
85.9%
Q3 24
85.4%
Q2 24
80.4%
Q1 24
71.2%
Operating Margin
ASPI
ASPI
DCTH
DCTH
Q4 25
-10.5%
Q3 25
-306.1%
-1.9%
Q2 25
10.7%
Q1 25
3.2%
Q4 24
20.1%
Q3 24
-11.2%
Q2 24
-50.4%
Q1 24
-327.4%
Net Margin
ASPI
ASPI
DCTH
DCTH
Q4 25
-9.1%
Q3 25
-263.7%
4.0%
Q2 25
11.2%
Q1 25
5.4%
Q4 24
-22.5%
Q3 24
16.6%
Q2 24
-176.9%
Q1 24
-354.0%
EPS (diluted)
ASPI
ASPI
DCTH
DCTH
Q4 25
$-0.05
Q3 25
$-0.15
$0.02
Q2 25
$0.07
Q1 25
$0.03
Q4 24
$-0.06
Q3 24
$0.06
Q2 24
$-0.48
Q1 24
$-0.45

Balance Sheet & Financial Strength

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

Metric
ASPI
ASPI
DCTH
DCTH
Cash + ST InvestmentsLiquidity on hand
$333.3M
$43.5M
Total DebtLower is stronger
$14.4M
Stockholders' EquityBook value
$204.2M
$111.2M
Total Assets
$498.0M
$123.6M
Debt / EquityLower = less leverage
0.07×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPI
ASPI
DCTH
DCTH
Q4 25
$333.3M
$43.5M
Q3 25
$113.9M
$41.8M
Q2 25
$34.4M
Q1 25
$12.8M
Q4 24
$32.4M
Q3 24
$8.3M
Q2 24
$14.8M
Q1 24
$11.8M
Total Debt
ASPI
ASPI
DCTH
DCTH
Q4 25
$14.4M
Q3 25
$13.9M
Q2 25
Q1 25
Q4 24
$0
Q3 24
$2.0M
Q2 24
$4.5M
Q1 24
$7.4M
Stockholders' Equity
ASPI
ASPI
DCTH
DCTH
Q4 25
$204.2M
$111.2M
Q3 25
$74.1M
$114.8M
Q2 25
$105.0M
Q1 25
$80.2M
Q4 24
$68.7M
Q3 24
$8.6M
Q2 24
$4.2M
Q1 24
$14.6M
Total Assets
ASPI
ASPI
DCTH
DCTH
Q4 25
$498.0M
$123.6M
Q3 25
$225.9M
$124.3M
Q2 25
$116.9M
Q1 25
$87.3M
Q4 24
$76.6M
Q3 24
$31.7M
Q2 24
$33.9M
Q1 24
$36.1M
Debt / Equity
ASPI
ASPI
DCTH
DCTH
Q4 25
0.07×
Q3 25
0.19×
Q2 25
Q1 25
Q4 24
0.00×
Q3 24
0.23×
Q2 24
1.07×
Q1 24
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
ASPI
ASPI
DCTH
DCTH
Operating Cash FlowLast quarter
$-37.8M
$8.2M
Free Cash FlowOCF − Capex
$-47.4M
$7.7M
FCF MarginFCF / Revenue
-284.7%
37.1%
Capex IntensityCapex / Revenue
57.9%
2.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$21.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPI
ASPI
DCTH
DCTH
Q4 25
$-37.8M
$8.2M
Q3 25
$-8.9M
$4.8M
Q2 25
$7.3M
Q1 25
$2.2M
Q4 24
$-1.0M
Q3 24
$-3.6M
Q2 24
$-4.5M
Q1 24
$-9.6M
Free Cash Flow
ASPI
ASPI
DCTH
DCTH
Q4 25
$-47.4M
$7.7M
Q3 25
$-12.0M
$4.3M
Q2 25
$6.9M
Q1 25
$2.1M
Q4 24
$-1.2M
Q3 24
$-3.9M
Q2 24
$-4.6M
Q1 24
$-9.6M
FCF Margin
ASPI
ASPI
DCTH
DCTH
Q4 25
-284.7%
37.1%
Q3 25
-245.5%
21.0%
Q2 25
28.5%
Q1 25
10.4%
Q4 24
-8.2%
Q3 24
-34.4%
Q2 24
-58.6%
Q1 24
-305.7%
Capex Intensity
ASPI
ASPI
DCTH
DCTH
Q4 25
57.9%
2.7%
Q3 25
64.4%
2.2%
Q2 25
1.6%
Q1 25
0.7%
Q4 24
1.5%
Q3 24
1.9%
Q2 24
1.3%
Q1 24
0.4%
Cash Conversion
ASPI
ASPI
DCTH
DCTH
Q4 25
Q3 25
5.75×
Q2 25
2.70×
Q1 25
2.06×
Q4 24
Q3 24
-1.95×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASPI
ASPI

Segment breakdown not available.

DCTH
DCTH

HEPZATOKIT$19.1M92%
CHEMOSAT$1.7M8%

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