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

RBB Bancorp is the larger business by last-quarter revenue ($32.3M vs $16.7M, roughly 1.9× ASP Isotopes Inc.). On growth, ASP Isotopes Inc. posted the faster year-over-year revenue change (1295.7% vs 12.6%). RBB Bancorp produced more free cash flow last quarter ($42.6M 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.

RBB Bancorp is a US-based financial holding company that operates Royal Business Bank as its primary banking subsidiary. It caters mainly to Asian American communities, small and medium-sized enterprises, real estate investors, and retail clients, offering comprehensive commercial banking, consumer lending, deposit services, and wealth management solutions across branches in key US coastal metropolitan areas.

ASPI vs RBB — Head-to-Head

Bigger by revenue
RBB
RBB
1.9× larger
RBB
$32.3M
$16.7M
ASPI
Growing faster (revenue YoY)
ASPI
ASPI
+1283.1% gap
ASPI
1295.7%
12.6%
RBB
More free cash flow
RBB
RBB
$90.0M more FCF
RBB
$42.6M
$-47.4M
ASPI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASPI
ASPI
RBB
RBB
Revenue
$16.7M
$32.3M
Net Profit
$10.2M
Gross Margin
12.5%
Operating Margin
39.5%
Net Margin
31.5%
Revenue YoY
1295.7%
12.6%
Net Profit YoY
-586.8%
132.1%
EPS (diluted)
$0.59

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
RBB
RBB
Q4 25
$16.7M
$32.3M
Q3 25
$4.9M
$32.6M
Q2 25
$35.8M
Q1 25
$28.5M
Q4 24
$28.7M
Q3 24
$30.3M
Q2 24
$27.5M
Q1 24
$28.2M
Net Profit
ASPI
ASPI
RBB
RBB
Q4 25
$10.2M
Q3 25
$-12.9M
$10.1M
Q2 25
$9.3M
Q1 25
$2.3M
Q4 24
$4.4M
Q3 24
$7.0M
Q2 24
$7.2M
Q1 24
$8.0M
Gross Margin
ASPI
ASPI
RBB
RBB
Q4 25
12.5%
Q3 25
8.7%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
ASPI
ASPI
RBB
RBB
Q4 25
39.5%
Q3 25
-306.1%
40.7%
Q2 25
36.1%
Q1 25
11.2%
Q4 24
17.6%
Q3 24
31.6%
Q2 24
35.6%
Q1 24
39.9%
Net Margin
ASPI
ASPI
RBB
RBB
Q4 25
31.5%
Q3 25
-263.7%
31.2%
Q2 25
26.1%
Q1 25
8.0%
Q4 24
15.3%
Q3 24
23.1%
Q2 24
26.4%
Q1 24
28.4%
EPS (diluted)
ASPI
ASPI
RBB
RBB
Q4 25
$0.59
Q3 25
$-0.15
$0.59
Q2 25
$0.52
Q1 25
$0.13
Q4 24
$0.26
Q3 24
$0.39
Q2 24
$0.39
Q1 24
$0.43

Balance Sheet & Financial Strength

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

Metric
ASPI
ASPI
RBB
RBB
Cash + ST InvestmentsLiquidity on hand
$333.3M
$212.3M
Total DebtLower is stronger
$14.4M
$119.9M
Stockholders' EquityBook value
$204.2M
$523.4M
Total Assets
$498.0M
$4.2B
Debt / EquityLower = less leverage
0.07×
0.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPI
ASPI
RBB
RBB
Q4 25
$333.3M
$212.3M
Q3 25
$113.9M
$234.9M
Q2 25
$191.9M
Q1 25
$238.8M
Q4 24
$257.7M
Q3 24
$349.4M
Q2 24
$252.8M
Q1 24
Total Debt
ASPI
ASPI
RBB
RBB
Q4 25
$14.4M
$119.9M
Q3 25
$13.9M
$119.8M
Q2 25
$119.7M
Q1 25
$119.6M
Q4 24
$119.5M
Q3 24
$119.4M
Q2 24
$119.3M
Q1 24
$119.2M
Stockholders' Equity
ASPI
ASPI
RBB
RBB
Q4 25
$204.2M
$523.4M
Q3 25
$74.1M
$514.3M
Q2 25
$517.7M
Q1 25
$510.3M
Q4 24
$507.9M
Q3 24
$509.7M
Q2 24
$511.3M
Q1 24
$514.0M
Total Assets
ASPI
ASPI
RBB
RBB
Q4 25
$498.0M
$4.2B
Q3 25
$225.9M
$4.2B
Q2 25
$4.1B
Q1 25
$4.0B
Q4 24
$4.0B
Q3 24
$4.0B
Q2 24
$3.9B
Q1 24
$3.9B
Debt / Equity
ASPI
ASPI
RBB
RBB
Q4 25
0.07×
0.23×
Q3 25
0.19×
0.23×
Q2 25
0.23×
Q1 25
0.23×
Q4 24
0.24×
Q3 24
0.23×
Q2 24
0.23×
Q1 24
0.23×

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
RBB
RBB
Operating Cash FlowLast quarter
$-37.8M
$43.4M
Free Cash FlowOCF − Capex
$-47.4M
$42.6M
FCF MarginFCF / Revenue
-284.7%
131.8%
Capex IntensityCapex / Revenue
57.9%
2.5%
Cash ConversionOCF / Net Profit
4.26×
TTM Free Cash FlowTrailing 4 quarters
$73.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPI
ASPI
RBB
RBB
Q4 25
$-37.8M
$43.4M
Q3 25
$-8.9M
$2.1M
Q2 25
$21.7M
Q1 25
$7.8M
Q4 24
$58.5M
Q3 24
$24.5M
Q2 24
$11.7M
Q1 24
$4.8M
Free Cash Flow
ASPI
ASPI
RBB
RBB
Q4 25
$-47.4M
$42.6M
Q3 25
$-12.0M
$1.8M
Q2 25
$21.6M
Q1 25
$7.6M
Q4 24
$57.7M
Q3 24
$24.2M
Q2 24
$11.5M
Q1 24
$4.7M
FCF Margin
ASPI
ASPI
RBB
RBB
Q4 25
-284.7%
131.8%
Q3 25
-245.5%
5.4%
Q2 25
60.2%
Q1 25
26.7%
Q4 24
201.0%
Q3 24
80.0%
Q2 24
42.0%
Q1 24
16.6%
Capex Intensity
ASPI
ASPI
RBB
RBB
Q4 25
57.9%
2.5%
Q3 25
64.4%
1.1%
Q2 25
0.3%
Q1 25
0.6%
Q4 24
2.7%
Q3 24
0.8%
Q2 24
0.5%
Q1 24
0.5%
Cash Conversion
ASPI
ASPI
RBB
RBB
Q4 25
4.26×
Q3 25
0.21×
Q2 25
2.32×
Q1 25
3.39×
Q4 24
13.34×
Q3 24
3.50×
Q2 24
1.61×
Q1 24
0.60×

Financial Flow Comparison

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

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