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Side-by-side financial comparison of PLUS THERAPEUTICS, INC. (PSTV) and Expion360 Inc. (XPON). Click either name above to swap in a different company.

Expion360 Inc. is the larger business by last-quarter revenue ($2.2M vs $1.4M, roughly 1.6× PLUS THERAPEUTICS, INC.). Expion360 Inc. runs the higher net margin — -199.9% vs -417.9%, a 218.0% gap on every dollar of revenue. On growth, Expion360 Inc. posted the faster year-over-year revenue change (11.8% vs -3.2%). Over the past eight quarters, Expion360 Inc.'s revenue compounded faster (51.1% CAGR vs -9.7%).

Plus Therapeutics, Inc. is a clinical-stage pharmaceutical company headquartered in Houston, Texas, that develops targeted radiotherapeutics and diagnostic services for brain and central nervous system (CNS) cancers. The company’s lead therapeutic candidate, marketed as REYOBIQ™, is an investigational liposomal radiopharmaceutical under clinical evaluation for recurrent glioblastoma, leptomeningeal metastases, and certain pediatric brain cancers. Plus Therapeutics also commercialized a molecu...

Expion360 Inc. is a provider of high-performance lithium iron phosphate (LFP) battery solutions and supporting energy storage products. Its core customer segments cover recreational vehicle owners, marine users, off-grid lifestyle enthusiasts and residential users across the U.S. market, delivering safe, durable and low-carbon energy storage options.

PSTV vs XPON — Head-to-Head

Bigger by revenue
XPON
XPON
1.6× larger
XPON
$2.2M
$1.4M
PSTV
Growing faster (revenue YoY)
XPON
XPON
+15.0% gap
XPON
11.8%
-3.2%
PSTV
Higher net margin
XPON
XPON
218.0% more per $
XPON
-199.9%
-417.9%
PSTV
Faster 2-yr revenue CAGR
XPON
XPON
Annualised
XPON
51.1%
-9.7%
PSTV

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PSTV
PSTV
XPON
XPON
Revenue
$1.4M
$2.2M
Net Profit
$-5.7M
$-4.4M
Gross Margin
-14.8%
Operating Margin
-420.0%
-234.4%
Net Margin
-417.9%
-199.9%
Revenue YoY
-3.2%
11.8%
Net Profit YoY
-46.4%
-1663.2%
EPS (diluted)
$0.95
$-0.45

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
PSTV
PSTV
XPON
XPON
Q4 25
$1.4M
$2.2M
Q3 25
$1.4M
$2.4M
Q2 25
$1.4M
$3.0M
Q1 25
$1.1M
$2.0M
Q4 24
$1.4M
$2.0M
Q3 24
$1.5M
$1.4M
Q2 24
$1.3M
$1.3M
Q1 24
$1.7M
$971.9K
Net Profit
PSTV
PSTV
XPON
XPON
Q4 25
$-5.7M
$-4.4M
Q3 25
$-4.4M
$722.8K
Q2 25
$5.2M
$-1.4M
Q1 25
$-17.4M
$-1.2M
Q4 24
$-3.9M
$-251.6K
Q3 24
$-2.9M
$-8.8M
Q2 24
$-2.9M
$-2.2M
Q1 24
$-3.3M
$-2.2M
Gross Margin
PSTV
PSTV
XPON
XPON
Q4 25
-14.8%
Q3 25
22.7%
Q2 25
20.8%
Q1 25
24.5%
Q4 24
22.1%
Q3 24
12.1%
Q2 24
25.5%
Q1 24
22.9%
Operating Margin
PSTV
PSTV
XPON
XPON
Q4 25
-420.0%
-234.4%
Q3 25
-320.8%
-125.4%
Q2 25
-110.6%
-45.2%
Q1 25
-333.9%
-56.0%
Q4 24
-276.2%
-59.5%
Q3 24
-260.9%
-138.7%
Q2 24
-289.1%
-131.4%
Q1 24
-196.7%
-202.4%
Net Margin
PSTV
PSTV
XPON
XPON
Q4 25
-417.9%
-199.9%
Q3 25
-316.6%
30.2%
Q2 25
370.6%
-45.8%
Q1 25
-1643.2%
-56.2%
Q4 24
-276.4%
-12.7%
Q3 24
-197.4%
-634.4%
Q2 24
-229.9%
-173.7%
Q1 24
-194.5%
-225.6%
EPS (diluted)
PSTV
PSTV
XPON
XPON
Q4 25
$0.95
$-0.45
Q3 25
$-0.04
$0.10
Q2 25
$-0.01
$-0.41
Q1 25
$-1.19
$-0.37
Q4 24
$-0.51
$65.02
Q3 24
$-0.37
$-24.55
Q2 24
$-0.71
$-30.20
Q1 24
$-0.75
$-31.30

Balance Sheet & Financial Strength

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

Metric
PSTV
PSTV
XPON
XPON
Cash + ST InvestmentsLiquidity on hand
$8.6M
$3.0M
Total DebtLower is stronger
$197.2K
Stockholders' EquityBook value
$4.0M
$6.5M
Total Assets
$16.3M
$8.1M
Debt / EquityLower = less leverage
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PSTV
PSTV
XPON
XPON
Q4 25
$8.6M
$3.0M
Q3 25
$16.6M
$4.3M
Q2 25
$6.9M
$684.9K
Q1 25
$9.9M
$1.1M
Q4 24
$3.6M
$547.6K
Q3 24
$4.8M
$3.3M
Q2 24
$8.4M
$902.3K
Q1 24
$3.2M
$2.3M
Total Debt
PSTV
PSTV
XPON
XPON
Q4 25
$197.2K
Q3 25
$205.6K
Q2 25
$213.6K
Q1 25
$221.8K
Q4 24
$230.2K
Q3 24
$239.9K
Q2 24
$247.7K
Q1 24
$255.4K
Stockholders' Equity
PSTV
PSTV
XPON
XPON
Q4 25
$4.0M
$6.5M
Q3 25
$5.1M
$9.0M
Q2 25
$3.0M
$2.1M
Q1 25
$-23.6M
$3.2M
Q4 24
$-8.9M
$2.5M
Q3 24
$-5.2M
$2.5M
Q2 24
$-7.6M
$2.5M
Q1 24
$-4.8M
$3.7M
Total Assets
PSTV
PSTV
XPON
XPON
Q4 25
$16.3M
$8.1M
Q3 25
$18.7M
$10.7M
Q2 25
$10.3M
$8.6M
Q1 25
$12.1M
$9.2M
Q4 24
$6.6M
$9.1M
Q3 24
$7.0M
$10.1M
Q2 24
$11.2M
$8.8M
Q1 24
$5.6M
$10.0M
Debt / Equity
PSTV
PSTV
XPON
XPON
Q4 25
0.03×
Q3 25
0.02×
Q2 25
0.10×
Q1 25
0.07×
Q4 24
0.09×
Q3 24
0.09×
Q2 24
0.10×
Q1 24
0.07×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
PSTV
PSTV
XPON
XPON
Operating Cash FlowLast quarter
$-6.3M
$-2.4M
Free Cash FlowOCF − Capex
$-6.3M
FCF MarginFCF / Revenue
-459.9%
Capex IntensityCapex / Revenue
2.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-20.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PSTV
PSTV
XPON
XPON
Q4 25
$-6.3M
$-2.4M
Q3 25
$-2.5M
$-2.1M
Q2 25
$-5.8M
$-401.0K
Q1 25
$-6.2M
$-1.2M
Q4 24
$-1.2M
$-2.9M
Q3 24
$-3.7M
$-3.2M
Q2 24
$-1.1M
$-1.7M
Q1 24
$-4.5M
$-1.7M
Free Cash Flow
PSTV
PSTV
XPON
XPON
Q4 25
$-6.3M
Q3 25
$-2.6M
Q2 25
$-5.8M
Q1 25
$-6.2M
Q4 24
$-1.2M
Q3 24
$-3.7M
Q2 24
$-1.2M
Q1 24
$-4.6M
$-1.7M
FCF Margin
PSTV
PSTV
XPON
XPON
Q4 25
-459.9%
Q3 25
-184.3%
Q2 25
-417.6%
Q1 25
-583.1%
Q4 24
-86.5%
Q3 24
-253.7%
Q2 24
-96.2%
Q1 24
-271.5%
-173.1%
Capex Intensity
PSTV
PSTV
XPON
XPON
Q4 25
2.2%
Q3 25
1.9%
Q2 25
0.5%
Q1 25
0.3%
Q4 24
0.8%
Q3 24
1.0%
Q2 24
6.3%
Q1 24
2.4%
1.1%
Cash Conversion
PSTV
PSTV
XPON
XPON
Q4 25
Q3 25
-2.90×
Q2 25
-1.13×
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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