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Side-by-side financial comparison of Capitol Federal Financial, Inc. (CFFN) and CASTLE BIOSCIENCES INC (CSTL). Click either name above to swap in a different company.

CASTLE BIOSCIENCES INC is the larger business by last-quarter revenue ($87.0M vs $57.7M, roughly 1.5× Capitol Federal Financial, Inc.). Over the past eight quarters, Capitol Federal Financial, Inc.'s revenue compounded faster (12.1% CAGR vs 9.2%).

Capitol Federal Savings Bank (CapFed) is a federally chartered and insured savings bank founded in 1893 and headquartered in Topeka, Kansas. Capitol Federal has 51 locations serving both the Kansas and Missouri sides of the Kansas City metropolitan area with personal and business financial services. It is owned by holding company Capitol Federal Financial Inc. for trading on the Nasdaq.

Castle Biosciences Inc. is a commercial-stage diagnostic firm that develops and markets proprietary, clinically actionable tests for dermatological conditions such as melanoma and other skin cancers, plus rare diseases. It operates mainly in the U.S. healthcare market, focusing on segments with high unmet need for more accurate diagnostics to guide treatment choices.

CFFN vs CSTL — Head-to-Head

Bigger by revenue
CSTL
CSTL
1.5× larger
CSTL
$87.0M
$57.7M
CFFN
Faster 2-yr revenue CAGR
CFFN
CFFN
Annualised
CFFN
12.1%
9.2%
CSTL

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
CFFN
CFFN
CSTL
CSTL
Revenue
$57.7M
$87.0M
Net Profit
$20.1M
Gross Margin
79.0%
Operating Margin
-4.4%
Net Margin
34.9%
Revenue YoY
0.8%
Net Profit YoY
EPS (diluted)
$-0.06

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
CFFN
CFFN
CSTL
CSTL
Q1 26
$57.7M
Q4 25
$56.8M
$87.0M
Q3 25
$54.6M
$83.0M
Q2 25
$50.7M
$86.2M
Q1 25
$48.8M
$88.0M
Q4 24
$46.9M
$86.3M
Q3 24
$85.8M
Q2 24
$45.0M
$87.0M
Net Profit
CFFN
CFFN
CSTL
CSTL
Q1 26
$20.1M
Q4 25
$20.3M
Q3 25
$18.8M
$-501.0K
Q2 25
$18.4M
$4.5M
Q1 25
$15.4M
$-25.8M
Q4 24
$15.4M
Q3 24
$2.3M
Q2 24
$9.6M
$8.9M
Gross Margin
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
79.0%
Q3 25
77.5%
Q2 25
79.5%
Q1 25
81.4%
Q4 24
81.3%
Q3 24
81.8%
Q2 24
83.3%
Operating Margin
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
44.4%
-4.4%
Q3 25
42.2%
-8.2%
Q2 25
42.6%
-4.9%
Q1 25
39.5%
-31.7%
Q4 24
40.7%
4.7%
Q3 24
5.9%
Q2 24
34.7%
5.8%
Net Margin
CFFN
CFFN
CSTL
CSTL
Q1 26
34.9%
Q4 25
35.7%
Q3 25
34.5%
-0.6%
Q2 25
36.2%
5.2%
Q1 25
31.6%
-29.4%
Q4 24
32.9%
Q3 24
2.6%
Q2 24
21.4%
10.3%
EPS (diluted)
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
$0.16
$-0.06
Q3 25
$0.14
$-0.02
Q2 25
$0.14
$0.15
Q1 25
$0.12
$-0.90
Q4 24
$0.12
$0.32
Q3 24
$0.08
Q2 24
$0.07
$0.31

Balance Sheet & Financial Strength

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

Metric
CFFN
CFFN
CSTL
CSTL
Cash + ST InvestmentsLiquidity on hand
$2.5M
$299.5M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$1.0B
$470.9M
Total Assets
$9.8B
$578.6M
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CFFN
CFFN
CSTL
CSTL
Q1 26
$2.5M
Q4 25
$232.6M
$299.5M
Q3 25
$252.4M
$287.5M
Q2 25
$175.0M
$275.9M
Q1 25
$340.4M
$275.2M
Q4 24
$170.3M
$293.1M
Q3 24
$95.0M
Q2 24
$317.8M
$85.6M
Total Debt
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
$10.1M
Q3 25
$10.0M
Q2 25
$10.0M
Q1 25
$10.0M
Q4 24
$10.0M
Q3 24
$10.0M
Q2 24
$10.0M
Stockholders' Equity
CFFN
CFFN
CSTL
CSTL
Q1 26
$1.0B
Q4 25
$1.0B
$470.9M
Q3 25
$1.0B
$467.0M
Q2 25
$1.0B
$455.4M
Q1 25
$1.0B
$440.3M
Q4 24
$1.0B
$455.8M
Q3 24
$441.1M
Q2 24
$1.0B
$423.9M
Total Assets
CFFN
CFFN
CSTL
CSTL
Q1 26
$9.8B
Q4 25
$9.8B
$578.6M
Q3 25
$9.8B
$562.8M
Q2 25
$9.7B
$544.7M
Q1 25
$9.7B
$501.7M
Q4 24
$9.5B
$531.2M
Q3 24
$514.6M
Q2 24
$9.6B
$487.3M
Debt / Equity
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
0.02×
Q3 25
0.02×
Q2 25
0.02×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.02×
Q2 24
0.02×

Cash Flow & Capital Efficiency

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

Metric
CFFN
CFFN
CSTL
CSTL
Operating Cash FlowLast quarter
$26.9M
Free Cash FlowOCF − Capex
$19.7M
FCF MarginFCF / Revenue
22.7%
Capex IntensityCapex / Revenue
8.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$28.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
$17.4M
$26.9M
Q3 25
$55.0M
$22.6M
Q2 25
$12.4M
$20.8M
Q1 25
$15.5M
$-6.0M
Q4 24
$5.6M
$24.4M
Q3 24
$23.3M
Q2 24
$19.1M
$24.0M
Free Cash Flow
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
$15.8M
$19.7M
Q3 25
$49.8M
$7.8M
Q2 25
$10.8M
$11.6M
Q1 25
$14.7M
$-10.8M
Q4 24
$4.5M
$16.8M
Q3 24
$17.0M
Q2 24
$16.4M
$18.8M
FCF Margin
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
27.9%
22.7%
Q3 25
91.3%
9.4%
Q2 25
21.2%
13.4%
Q1 25
30.2%
-12.2%
Q4 24
9.5%
19.5%
Q3 24
19.8%
Q2 24
36.5%
21.6%
Capex Intensity
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
2.8%
8.3%
Q3 25
9.5%
17.9%
Q2 25
3.2%
10.7%
Q1 25
1.5%
5.4%
Q4 24
2.5%
8.8%
Q3 24
7.4%
Q2 24
5.9%
6.0%
Cash Conversion
CFFN
CFFN
CSTL
CSTL
Q1 26
Q4 25
0.86×
Q3 25
2.93×
Q2 25
0.67×
4.60×
Q1 25
1.01×
Q4 24
0.36×
Q3 24
10.29×
Q2 24
1.98×
2.69×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CFFN
CFFN

Net Interest Income$52.3M91%
Noninterest Income$5.5M9%

CSTL
CSTL

Dermatologic$48.6M56%
Non Dermatologic$38.4M44%

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