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Side-by-side financial comparison of CASTLE BIOSCIENCES INC (CSTL) and Delek Logistics Partners, LP (DKL). Click either name above to swap in a different company.

Delek Logistics Partners, LP is the larger business by last-quarter revenue ($154.7M vs $83.7M, roughly 1.8× CASTLE BIOSCIENCES INC). Delek Logistics Partners, LP runs the higher net margin — 20.9% vs -17.4%, a 38.3% gap on every dollar of revenue. On growth, Delek Logistics Partners, LP posted the faster year-over-year revenue change (518.9% vs -4.9%). Over the past eight quarters, CASTLE BIOSCIENCES INC's revenue compounded faster (-1.9% CAGR vs -23.5%).

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.

Delek Logistics Partners, LP is a U.S.-based midstream energy logistics enterprise that offers storage, transportation, and distribution services for crude oil, refined petroleum products, and renewable fuels. It mainly serves downstream energy operators, retail fuel networks and industrial clients across the U.S. Gulf Coast and Southeast regions.

CSTL vs DKL — Head-to-Head

Bigger by revenue
DKL
DKL
1.8× larger
DKL
$154.7M
$83.7M
CSTL
Growing faster (revenue YoY)
DKL
DKL
+523.7% gap
DKL
518.9%
-4.9%
CSTL
Higher net margin
DKL
DKL
38.3% more per $
DKL
20.9%
-17.4%
CSTL
Faster 2-yr revenue CAGR
CSTL
CSTL
Annualised
CSTL
-1.9%
-23.5%
DKL

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CSTL
CSTL
DKL
DKL
Revenue
$83.7M
$154.7M
Net Profit
$-14.5M
$32.4M
Gross Margin
-62.0%
Operating Margin
25.9%
Net Margin
-17.4%
20.9%
Revenue YoY
-4.9%
518.9%
Net Profit YoY
43.8%
EPS (diluted)
$-0.49
$0.60

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
CSTL
CSTL
DKL
DKL
Q1 26
$83.7M
$154.7M
Q4 25
$87.0M
$255.8M
Q3 25
$83.0M
$261.3M
Q2 25
$86.2M
$246.3M
Q1 25
$88.0M
$249.9M
Q4 24
$86.3M
$209.9M
Q3 24
$85.8M
$214.1M
Q2 24
$87.0M
$264.6M
Net Profit
CSTL
CSTL
DKL
DKL
Q1 26
$-14.5M
$32.4M
Q4 25
$47.3M
Q3 25
$-501.0K
$45.6M
Q2 25
$4.5M
$44.6M
Q1 25
$-25.8M
$39.0M
Q4 24
$35.3M
Q3 24
$2.3M
$33.7M
Q2 24
$8.9M
$41.1M
Gross Margin
CSTL
CSTL
DKL
DKL
Q1 26
-62.0%
Q4 25
79.0%
17.2%
Q3 25
77.5%
20.6%
Q2 25
79.5%
25.8%
Q1 25
81.4%
21.5%
Q4 24
81.3%
23.4%
Q3 24
81.8%
22.8%
Q2 24
83.3%
28.1%
Operating Margin
CSTL
CSTL
DKL
DKL
Q1 26
25.9%
Q4 25
-4.4%
14.2%
Q3 25
-8.2%
17.4%
Q2 25
-4.9%
21.3%
Q1 25
-31.7%
19.0%
Q4 24
4.7%
18.1%
Q3 24
5.9%
14.9%
Q2 24
5.8%
25.9%
Net Margin
CSTL
CSTL
DKL
DKL
Q1 26
-17.4%
20.9%
Q4 25
18.5%
Q3 25
-0.6%
17.4%
Q2 25
5.2%
18.1%
Q1 25
-29.4%
15.6%
Q4 24
16.8%
Q3 24
2.6%
15.7%
Q2 24
10.3%
15.5%
EPS (diluted)
CSTL
CSTL
DKL
DKL
Q1 26
$-0.49
$0.60
Q4 25
$-0.06
Q3 25
$-0.02
Q2 25
$0.15
Q1 25
$-0.90
Q4 24
$0.32
Q3 24
$0.08
Q2 24
$0.31

Balance Sheet & Financial Strength

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

Metric
CSTL
CSTL
DKL
DKL
Cash + ST InvestmentsLiquidity on hand
$63.8M
$9.9M
Total DebtLower is stronger
$10.1M
$2.3B
Stockholders' EquityBook value
$461.4M
Total Assets
$547.8M
$2.9B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
DKL
DKL
Q1 26
$63.8M
$9.9M
Q4 25
$299.5M
$10.9M
Q3 25
$287.5M
$6.9M
Q2 25
$275.9M
$1.4M
Q1 25
$275.2M
$2.1M
Q4 24
$293.1M
$5.4M
Q3 24
$95.0M
$7.3M
Q2 24
$85.6M
$5.1M
Total Debt
CSTL
CSTL
DKL
DKL
Q1 26
$10.1M
$2.3B
Q4 25
$10.1M
$2.3B
Q3 25
$10.0M
$2.3B
Q2 25
$10.0M
$2.2B
Q1 25
$10.0M
$2.1B
Q4 24
$10.0M
$1.9B
Q3 24
$10.0M
$1.9B
Q2 24
$10.0M
$1.6B
Stockholders' Equity
CSTL
CSTL
DKL
DKL
Q1 26
$461.4M
Q4 25
$470.9M
Q3 25
$467.0M
Q2 25
$455.4M
Q1 25
$440.3M
Q4 24
$455.8M
Q3 24
$441.1M
Q2 24
$423.9M
Total Assets
CSTL
CSTL
DKL
DKL
Q1 26
$547.8M
$2.9B
Q4 25
$578.6M
$2.8B
Q3 25
$562.8M
$2.7B
Q2 25
$544.7M
$2.8B
Q1 25
$501.7M
$2.4B
Q4 24
$531.2M
$2.0B
Q3 24
$514.6M
$2.0B
Q2 24
$487.3M
$1.6B
Debt / Equity
CSTL
CSTL
DKL
DKL
Q1 26
0.02×
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
CSTL
CSTL
DKL
DKL
Operating Cash FlowLast quarter
$-22.1M
$170.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
5.4%
Cash ConversionOCF / Net Profit
5.27×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTL
CSTL
DKL
DKL
Q1 26
$-22.1M
$170.4M
Q4 25
$26.9M
$43.2M
Q3 25
$22.6M
$54.9M
Q2 25
$20.8M
$107.4M
Q1 25
$-6.0M
$31.6M
Q4 24
$24.4M
$49.9M
Q3 24
$23.3M
$24.9M
Q2 24
$24.0M
$87.6M
Free Cash Flow
CSTL
CSTL
DKL
DKL
Q1 26
Q4 25
$19.7M
$12.6M
Q3 25
$7.8M
$-12.3M
Q2 25
$11.6M
$-7.1M
Q1 25
$-10.8M
$-23.9M
Q4 24
$16.8M
$3.9M
Q3 24
$17.0M
$-31.7M
Q2 24
$18.8M
$72.5M
FCF Margin
CSTL
CSTL
DKL
DKL
Q1 26
Q4 25
22.7%
4.9%
Q3 25
9.4%
-4.7%
Q2 25
13.4%
-2.9%
Q1 25
-12.2%
-9.6%
Q4 24
19.5%
1.8%
Q3 24
19.8%
-14.8%
Q2 24
21.6%
27.4%
Capex Intensity
CSTL
CSTL
DKL
DKL
Q1 26
5.4%
Q4 25
8.3%
12.0%
Q3 25
17.9%
25.7%
Q2 25
10.7%
46.5%
Q1 25
5.4%
22.2%
Q4 24
8.8%
21.9%
Q3 24
7.4%
26.4%
Q2 24
6.0%
5.7%
Cash Conversion
CSTL
CSTL
DKL
DKL
Q1 26
5.27×
Q4 25
0.91×
Q3 25
1.21×
Q2 25
4.60×
2.41×
Q1 25
0.81×
Q4 24
1.41×
Q3 24
10.29×
0.74×
Q2 24
2.69×
2.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSTL
CSTL

Segment breakdown not available.

DKL
DKL

Third party$105.4M68%
Affiliate$49.2M32%

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