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Side-by-side financial comparison of ASP Isotopes Inc. (ASPI) and American Express (AXP). Click either name above to swap in a different company.

American Express is the larger business by last-quarter revenue ($18.9M vs $16.7M, roughly 1.1× ASP Isotopes Inc.). On growth, ASP Isotopes Inc. posted the faster year-over-year revenue change (1295.7% vs 11.4%).

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.

American Express Company, together with its subsidiaries, provides charge and credit payment card products, and travel-related services worldwide. The company operates through three segments: Global Consumer Services Group, Global Commercial Services, and Global Merchant and Network Services. Its products and services include payment and financing products; network services; accounts payable expense management products and services; and travel and lifestyle services. The company's products an...

ASPI vs AXP — Head-to-Head

Bigger by revenue
AXP
AXP
1.1× larger
AXP
$18.9M
$16.7M
ASPI
Growing faster (revenue YoY)
ASPI
ASPI
+1284.2% gap
ASPI
1295.7%
11.4%
AXP

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ASPI
ASPI
AXP
AXP
Revenue
$16.7M
$18.9M
Net Profit
$3.0M
Gross Margin
12.5%
Operating Margin
Net Margin
15.7%
Revenue YoY
1295.7%
11.4%
Net Profit YoY
-586.8%
15.0%
EPS (diluted)

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
AXP
AXP
Q1 26
$18.9M
Q4 25
$16.7M
$10.9B
Q3 25
$4.9M
$10.4B
Q2 25
$10.3B
Q1 25
$9.6B
Q4 24
$10.0B
Q3 24
$9.7B
Q2 24
$9.8B
Net Profit
ASPI
ASPI
AXP
AXP
Q1 26
$3.0M
Q4 25
$2.5B
Q3 25
$-12.9M
$2.9B
Q2 25
$2.9B
Q1 25
$2.6B
Q4 24
$2.2B
Q3 24
$2.5B
Q2 24
$3.0B
Gross Margin
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
12.5%
Q3 25
8.7%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Operating Margin
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
28.2%
Q3 25
-306.1%
36.7%
Q2 25
34.4%
Q1 25
34.6%
Q4 24
27.7%
Q3 24
33.0%
Q2 24
38.6%
Net Margin
ASPI
ASPI
AXP
AXP
Q1 26
15.7%
Q4 25
22.5%
Q3 25
-263.7%
27.9%
Q2 25
28.0%
Q1 25
26.8%
Q4 24
21.8%
Q3 24
25.8%
Q2 24
30.7%
EPS (diluted)
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
$3.52
Q3 25
$-0.15
$4.14
Q2 25
$4.08
Q1 25
$3.64
Q4 24
$3.04
Q3 24
$3.49
Q2 24
$4.15

Balance Sheet & Financial Strength

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

Metric
ASPI
ASPI
AXP
AXP
Cash + ST InvestmentsLiquidity on hand
$333.3M
Total DebtLower is stronger
$14.4M
$60.4M
Stockholders' EquityBook value
$204.2M
$34.0M
Total Assets
$498.0M
$308.9M
Debt / EquityLower = less leverage
0.07×
1.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
$333.3M
$742.0M
Q3 25
$113.9M
$1.3B
Q2 25
$197.0M
Q1 25
$261.0M
Q4 24
$221.0M
Q3 24
$120.0M
Q2 24
$188.0M
Total Debt
ASPI
ASPI
AXP
AXP
Q1 26
$60.4M
Q4 25
$14.4M
$56.4B
Q3 25
$13.9M
$57.8B
Q2 25
$58.2B
Q1 25
$51.2B
Q4 24
$49.7B
Q3 24
$53.5B
Q2 24
$51.5B
Stockholders' Equity
ASPI
ASPI
AXP
AXP
Q1 26
$34.0M
Q4 25
$204.2M
$33.5B
Q3 25
$74.1M
$32.4B
Q2 25
$32.3B
Q1 25
$31.2B
Q4 24
$30.3B
Q3 24
$29.7B
Q2 24
$29.5B
Total Assets
ASPI
ASPI
AXP
AXP
Q1 26
$308.9M
Q4 25
$498.0M
$300.1B
Q3 25
$225.9M
$297.6B
Q2 25
$295.6B
Q1 25
$282.2B
Q4 24
$271.5B
Q3 24
$271.0B
Q2 24
$272.2B
Debt / Equity
ASPI
ASPI
AXP
AXP
Q1 26
1.78×
Q4 25
0.07×
1.68×
Q3 25
0.19×
1.78×
Q2 25
1.80×
Q1 25
1.64×
Q4 24
1.64×
Q3 24
1.80×
Q2 24
1.74×

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
AXP
AXP
Operating Cash FlowLast quarter
$-37.8M
Free Cash FlowOCF − Capex
$-47.4M
FCF MarginFCF / Revenue
-284.7%
Capex IntensityCapex / Revenue
57.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
$-37.8M
$3.1B
Q3 25
$-8.9M
$6.2B
Q2 25
$4.4B
Q1 25
$4.8B
Q4 24
$5.8B
Q3 24
$-1.8B
Q2 24
$4.5B
Free Cash Flow
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
$-47.4M
$2.3B
Q3 25
$-12.0M
$5.6B
Q2 25
$3.7B
Q1 25
$4.3B
Q4 24
$5.3B
Q3 24
$-2.3B
Q2 24
$4.0B
FCF Margin
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
-284.7%
21.4%
Q3 25
-245.5%
53.6%
Q2 25
36.3%
Q1 25
45.0%
Q4 24
53.1%
Q3 24
-23.3%
Q2 24
40.4%
Capex Intensity
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
57.9%
6.6%
Q3 25
64.4%
6.3%
Q2 25
6.0%
Q1 25
4.5%
Q4 24
5.0%
Q3 24
4.7%
Q2 24
5.8%
Cash Conversion
ASPI
ASPI
AXP
AXP
Q1 26
Q4 25
1.25×
Q3 25
2.15×
Q2 25
1.51×
Q1 25
1.84×
Q4 24
2.66×
Q3 24
-0.72×
Q2 24
1.50×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASPI
ASPI

Segment breakdown not available.

AXP
AXP

Discount revenue$9.5M50%
Other$8.9M47%
Deposits with banks and other$512.0K3%

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