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Side-by-side financial comparison of CHAMPIONS ONCOLOGY, INC. (CSBR) and SURF AIR MOBILITY INC. (SRFM). Click either name above to swap in a different company.

SURF AIR MOBILITY INC. is the larger business by last-quarter revenue ($26.4M vs $15.0M, roughly 1.8× CHAMPIONS ONCOLOGY, INC.). CHAMPIONS ONCOLOGY, INC. runs the higher net margin — 1.8% vs -139.4%, a 141.2% gap on every dollar of revenue. On growth, CHAMPIONS ONCOLOGY, INC. posted the faster year-over-year revenue change (11.5% vs -5.7%). CHAMPIONS ONCOLOGY, INC. produced more free cash flow last quarter ($-2.0M vs $-20.1M). Over the past eight quarters, CHAMPIONS ONCOLOGY, INC.'s revenue compounded faster (11.8% CAGR vs -7.1%).

Champions Oncology is an American technology company that develops mouse avatars. Called TumorGrafts, they are used to test a panel of chemotherapy regimens, targeted therapies and monoclonal antibodies to identify potential therapeutic options for cancer patients. The company was founded in 2007 by David Sidransky, M.D., a Johns Hopkins University oncologist.

Surf Air Mobility Inc. is an American aviation company focused on regional flying. The company plans to develop electric and hybrid powertrains to upgrade existing aircraft. Surf Air Mobility is also developing AI-enabled SurfOS operating system for the regional air mobility industry. Surf Air Mobility is the parent company of Surf Air, Surf On Demand, and two airlines, Mokulele Airlines and Southern Airways Express.

CSBR vs SRFM — Head-to-Head

Bigger by revenue
SRFM
SRFM
1.8× larger
SRFM
$26.4M
$15.0M
CSBR
Growing faster (revenue YoY)
CSBR
CSBR
+17.2% gap
CSBR
11.5%
-5.7%
SRFM
Higher net margin
CSBR
CSBR
141.2% more per $
CSBR
1.8%
-139.4%
SRFM
More free cash flow
CSBR
CSBR
$18.1M more FCF
CSBR
$-2.0M
$-20.1M
SRFM
Faster 2-yr revenue CAGR
CSBR
CSBR
Annualised
CSBR
11.8%
-7.1%
SRFM

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
CSBR
CSBR
SRFM
SRFM
Revenue
$15.0M
$26.4M
Net Profit
$268.0K
$-36.9M
Gross Margin
51.7%
Operating Margin
1.2%
-97.8%
Net Margin
1.8%
-139.4%
Revenue YoY
11.5%
-5.7%
Net Profit YoY
-63.2%
-3015.3%
EPS (diluted)
$0.02
$-0.08

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
CSBR
CSBR
SRFM
SRFM
Q4 25
$15.0M
$26.4M
Q3 25
$14.0M
$29.2M
Q2 25
$12.4M
$27.4M
Q1 25
$17.0M
$23.5M
Q4 24
$13.5M
$28.0M
Q3 24
$14.1M
$28.4M
Q2 24
$14.0M
$32.4M
Q1 24
$12.0M
$30.6M
Net Profit
CSBR
CSBR
SRFM
SRFM
Q4 25
$268.0K
$-36.9M
Q3 25
$-436.0K
$-27.2M
Q2 25
$-1.8M
$-28.0M
Q1 25
$4.5M
$-18.5M
Q4 24
$728.0K
$1.3M
Q3 24
$1.3M
$-12.2M
Q2 24
$-109.0K
$-27.0M
Q1 24
$-2.5M
$-37.0M
Gross Margin
CSBR
CSBR
SRFM
SRFM
Q4 25
51.7%
Q3 25
42.9%
Q2 25
41.1%
Q1 25
61.2%
Q4 24
44.9%
Q3 24
49.7%
Q2 24
48.2%
Q1 24
34.7%
Operating Margin
CSBR
CSBR
SRFM
SRFM
Q4 25
1.2%
-97.8%
Q3 25
-3.8%
-56.6%
Q2 25
-16.2%
-58.1%
Q1 25
26.4%
-79.0%
Q4 24
5.4%
28.9%
Q3 24
9.5%
-30.4%
Q2 24
-1.9%
-78.0%
Q1 24
-21.4%
-112.6%
Net Margin
CSBR
CSBR
SRFM
SRFM
Q4 25
1.8%
-139.4%
Q3 25
-3.1%
-93.3%
Q2 25
-14.9%
-102.1%
Q1 25
26.4%
-78.6%
Q4 24
5.4%
4.5%
Q3 24
9.3%
-43.1%
Q2 24
-0.8%
-83.4%
Q1 24
-21.1%
-120.7%
EPS (diluted)
CSBR
CSBR
SRFM
SRFM
Q4 25
$0.02
$-0.08
Q3 25
$-0.03
$-0.64
Q2 25
$-0.12
$-1.34
Q1 25
$0.31
$-1.09
Q4 24
$0.05
$0.80
Q3 24
$0.09
$-0.94
Q2 24
$-0.01
$-2.31
Q1 24
$-0.19
$-3.35

Balance Sheet & Financial Strength

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

Metric
CSBR
CSBR
SRFM
SRFM
Cash + ST InvestmentsLiquidity on hand
$8.5M
$12.7M
Total DebtLower is stronger
$17.1M
Stockholders' EquityBook value
$4.2M
$-54.9M
Total Assets
$30.2M
$131.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSBR
CSBR
SRFM
SRFM
Q4 25
$8.5M
$12.7M
Q3 25
$10.3M
$7.1M
Q2 25
$9.8M
$22.6M
Q1 25
$3.2M
$6.6M
Q4 24
$2.8M
$21.1M
Q3 24
$2.9M
$506.0K
Q2 24
$2.6M
$1.5M
Q1 24
$4.5M
$1.3M
Total Debt
CSBR
CSBR
SRFM
SRFM
Q4 25
$17.1M
Q3 25
$63.8M
Q2 25
$63.3M
Q1 25
$62.9M
Q4 24
$62.4M
Q3 24
$22.5M
Q2 24
$23.3M
Q1 24
$25.1M
Stockholders' Equity
CSBR
CSBR
SRFM
SRFM
Q4 25
$4.2M
$-54.9M
Q3 25
$3.5M
$-92.6M
Q2 25
$3.8M
$-115.5M
Q1 25
$5.5M
$-135.6M
Q4 24
$681.0K
$-120.0M
Q3 24
$-332.0K
$-135.6M
Q2 24
$-1.9M
$-128.1M
Q1 24
$-2.1M
$-106.3M
Total Assets
CSBR
CSBR
SRFM
SRFM
Q4 25
$30.2M
$131.7M
Q3 25
$30.5M
$106.8M
Q2 25
$32.3M
$129.0M
Q1 25
$30.6M
$105.3M
Q4 24
$25.2M
$124.1M
Q3 24
$24.9M
$97.9M
Q2 24
$26.1M
$105.5M
Q1 24
$26.8M
$108.8M

Cash Flow & Capital Efficiency

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

Metric
CSBR
CSBR
SRFM
SRFM
Operating Cash FlowLast quarter
$-1.7M
$-18.4M
Free Cash FlowOCF − Capex
$-2.0M
$-20.1M
FCF MarginFCF / Revenue
-13.1%
-76.0%
Capex IntensityCapex / Revenue
1.6%
6.5%
Cash ConversionOCF / Net Profit
-6.47×
TTM Free Cash FlowTrailing 4 quarters
$5.6M
$-70.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSBR
CSBR
SRFM
SRFM
Q4 25
$-1.7M
$-18.4M
Q3 25
$600.0K
$-19.3M
Q2 25
$6.9M
$-10.6M
Q1 25
$490.0K
$-15.8M
Q4 24
$-283.0K
$-23.6M
Q3 24
$311.0K
$-12.3M
Q2 24
$-1.8M
$-5.6M
Q1 24
$-919.0K
$-12.8M
Free Cash Flow
CSBR
CSBR
SRFM
SRFM
Q4 25
$-2.0M
$-20.1M
Q3 25
$554.0K
$-21.1M
Q2 25
$6.6M
$-11.9M
Q1 25
$448.0K
$-17.1M
Q4 24
$-377.0K
$-32.7M
Q3 24
$-13.6M
Q2 24
$-1.8M
$-6.3M
Q1 24
$-1.0M
$-13.5M
FCF Margin
CSBR
CSBR
SRFM
SRFM
Q4 25
-13.1%
-76.0%
Q3 25
4.0%
-72.2%
Q2 25
53.5%
-43.2%
Q1 25
2.6%
-72.6%
Q4 24
-2.8%
-116.5%
Q3 24
-47.8%
Q2 24
-13.0%
-19.5%
Q1 24
-8.4%
-44.2%
Capex Intensity
CSBR
CSBR
SRFM
SRFM
Q4 25
1.6%
6.5%
Q3 25
0.3%
5.9%
Q2 25
2.0%
4.4%
Q1 25
0.2%
5.4%
Q4 24
0.7%
32.4%
Q3 24
0.0%
4.4%
Q2 24
0.0%
2.2%
Q1 24
0.8%
2.3%
Cash Conversion
CSBR
CSBR
SRFM
SRFM
Q4 25
-6.47×
Q3 25
Q2 25
Q1 25
0.11×
Q4 24
-0.39×
-18.64×
Q3 24
0.24×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSBR
CSBR

Pharmacology Services$14.5M97%
Other$520.0K3%

SRFM
SRFM

Scheduled$17.2M65%
On Demand$9.2M35%

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