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

ASP Isotopes Inc. is the larger business by last-quarter revenue ($16.7M vs $13.7M, roughly 1.2× KalVista Pharmaceuticals, Inc.).

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.

KalVista Pharmaceuticals is a clinical-stage biopharmaceutical company focused on the research, development and commercialization of novel oral serine protease inhibitor therapies. Its core pipeline addresses unmet medical needs for rare and inflammatory diseases including hereditary angioedema and diabetic macular edema, with primary target markets in North America and Europe.

ASPI vs KALV — Head-to-Head

Bigger by revenue
ASPI
ASPI
1.2× larger
ASPI
$16.7M
$13.7M
KALV

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
ASPI
ASPI
KALV
KALV
Revenue
$16.7M
$13.7M
Net Profit
$-49.5M
Gross Margin
12.5%
91.0%
Operating Margin
-336.3%
Net Margin
-361.4%
Revenue YoY
1295.7%
Net Profit YoY
-586.8%
-17.1%
EPS (diluted)
$-0.92

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
KALV
KALV
Q4 25
$16.7M
Q3 25
$4.9M
$13.7M
Q3 24
$0
Net Profit
ASPI
ASPI
KALV
KALV
Q4 25
Q3 25
$-12.9M
$-49.5M
Q3 24
$-40.4M
Gross Margin
ASPI
ASPI
KALV
KALV
Q4 25
12.5%
Q3 25
8.7%
91.0%
Q3 24
Operating Margin
ASPI
ASPI
KALV
KALV
Q4 25
Q3 25
-306.1%
-336.3%
Q3 24
Net Margin
ASPI
ASPI
KALV
KALV
Q4 25
Q3 25
-263.7%
-361.4%
Q3 24
EPS (diluted)
ASPI
ASPI
KALV
KALV
Q4 25
Q3 25
$-0.15
$-0.92
Q3 24
$-0.87

Balance Sheet & Financial Strength

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

Metric
ASPI
ASPI
KALV
KALV
Cash + ST InvestmentsLiquidity on hand
$333.3M
$243.5M
Total DebtLower is stronger
$14.4M
Stockholders' EquityBook value
$204.2M
$17.0M
Total Assets
$498.0M
$339.9M
Debt / EquityLower = less leverage
0.07×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPI
ASPI
KALV
KALV
Q4 25
$333.3M
Q3 25
$113.9M
$243.5M
Q3 24
$31.8M
Total Debt
ASPI
ASPI
KALV
KALV
Q4 25
$14.4M
Q3 25
$13.9M
Q3 24
Stockholders' Equity
ASPI
ASPI
KALV
KALV
Q4 25
$204.2M
Q3 25
$74.1M
$17.0M
Q3 24
$172.8M
Total Assets
ASPI
ASPI
KALV
KALV
Q4 25
$498.0M
Q3 25
$225.9M
$339.9M
Q3 24
$200.2M
Debt / Equity
ASPI
ASPI
KALV
KALV
Q4 25
0.07×
Q3 25
0.19×
Q3 24

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
KALV
KALV
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
KALV
KALV
Q4 25
$-37.8M
Q3 25
$-8.9M
Q3 24
$-40.2M
Free Cash Flow
ASPI
ASPI
KALV
KALV
Q4 25
$-47.4M
Q3 25
$-12.0M
Q3 24
$-40.2M
FCF Margin
ASPI
ASPI
KALV
KALV
Q4 25
-284.7%
Q3 25
-245.5%
Q3 24
Capex Intensity
ASPI
ASPI
KALV
KALV
Q4 25
57.9%
Q3 25
64.4%
Q3 24

Financial Flow Comparison

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

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