← Back to All US Stocks

Sunoco LP (SUN) Fundamental Analysis & AI Grade 2026

SUN NYSE Petroleum Refining OK CIK: 0001552275
Updated This Month • Analysis: May 8, 2026 • SEC Data: 2026-03-31
Combined AI Grade
C
72% Confidence
N/A
C
72% Conf
Pending
Analysis scheduled

📊 SUN Key Takeaways

Revenue: $10.7B
Net Margin: 6.0%
Free Cash Flow: $255.0M
Current Ratio: 1.40x
Debt/Equity: N/A
EPS: $0.00
AI Grade: C with 72% confidence
Sunoco LP (SUN) receives a C fundamental grade with 72% confidence from our AI analysis based on SEC 10-K filings. With revenue of $10.7B, net profit margin of 6.0%, Sunoco LP demonstrates mixed fundamentals in the Energy sector. Below is our complete SUN stock analysis for 2026.

Is Sunoco LP (SUN) a Good Investment?

Claude

While Sunoco demonstrates strong cyclical earnings growth (68.4% YoY) on revenue gains, the business faces structural headwinds including razor-thin margins (4-6%), substantial debt leverage ($13.9B), and quick ratio below 1.0 indicating liquidity stress. The refining cycle appears favorable currently, but cyclical upturns mask limited downside protection and vulnerability to commodity volatility.

Sunoco LP Key Strengths (SUN)

Claude
  • + Exceptional earnings growth of 68.4% YoY driven by operational leverage in refining margins
  • + Solid revenue growth of 11.1% YoY in commodity-exposed sector
  • + Positive free cash flow generation of $255M with adequate interest coverage of 4.3x

SUN Stock Risks: Sunoco LP Investment Risks

Claude
  • ! Critically thin gross margin (4.0%) and net margin (6.0%) provide minimal buffer against operational disruptions or margin compression
  • ! High debt burden of $13.9B relative to thin equity base; quick ratio of 0.92x signals potential short-term liquidity stress
  • ! Capital-intensive business model with CapEx consuming 78% of free cash flow limits financial flexibility and growth reinvestment capacity
  • ! Earnings growth likely cyclical (refining margins high currently); vulnerable to crude/product price swings and refining margin normalization
  • ! Critical data gaps: missing stockholders' equity, ROE, and EPS limit comprehensive risk assessment

Key Metrics to Watch

Claude
  • * Gross and operating margins trend - early warning of refining cycle deterioration
  • * Quick ratio and cash position - indicators of liquidity stress in downturns
  • * Free cash flow and capital expenditure ratio - assessing sustainability of debt servicing
  • * Interest coverage ratio - critical as leverage is high relative to reported equity

Sunoco LP (SUN) Financial Metrics & Key Ratios

Revenue
$10.7B
Net Income
$644.0M
EPS (Diluted)
$0.00
Free Cash Flow
$255.0M
Total Assets
$30.3B
Cash Position
$718.0M

💡 AI Analyst Insight

The relatively thin 2.4% FCF margin may limit capital allocation flexibility.

SUN Profit Margin, ROE & Profitability Analysis

Gross Margin 4.0%
Operating Margin 8.1%
Net Margin 6.0%
ROE N/A
ROA 2.1%
FCF Margin 2.4%

SUN vs Energy Sector: How Sunoco LP Compares

How Sunoco LP compares to Energy sector averages

Net Margin
SUN 6.0%
vs
Sector Avg 12.0%
SUN Sector
ROE
SUN 0.0%
vs
Sector Avg 14.0%
SUN Sector
Current Ratio
SUN 1.4x
vs
Sector Avg 1.3x
SUN Sector
Debt/Equity
SUN 0.0x
vs
Sector Avg 0.6x
SUN Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Sunoco LP Stock Overvalued? SUN Valuation Analysis 2026

Based on fundamental analysis, Sunoco LP has mixed fundamental signals relative to the Energy sector in 2026.

Return on Equity
N/A
Sector avg: 14%
Net Profit Margin
6.0%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
N/A
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Sunoco LP Balance Sheet: SUN Debt, Cash & Liquidity

Current Ratio
1.40x
Quick Ratio
0.92x
Debt/Equity
N/A
Debt/Assets
72.4%
Interest Coverage
4.31x
Long-term Debt
$13.9B

SUN Revenue & Earnings Growth: 5-Year Financial Trend

SUN 5-year financial data: Year 2021: Revenue $17.6B, Net Income $313.0M, EPS N/A. Year 2022: Revenue $25.7B, Net Income $212.0M, EPS N/A. Year 2023: Revenue $25.7B, Net Income $524.0M, EPS N/A. Year 2024: Revenue $25.7B, Net Income $394.0M, EPS N/A. Year 2025: Revenue $25.2B, Net Income $394.0M, EPS N/A.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Sunoco LP's revenue has grown significantly by 43% over the 5-year period, indicating strong business expansion.

SUN Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
2.4%
Free cash flow / Revenue

SUN Quarterly Earnings & Performance

Quarterly financial performance data for Sunoco LP including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $5.2B N/A N/A
Q3 2025 $5.8B $2.0M N/A
Q2 2025 $5.4B $86.0M N/A
Q1 2025 $5.2B $207.0M N/A
Q3 2024 $5.8B $2.0M N/A
Q2 2024 $5.7B $87.0M N/A
Q1 2024 $5.4B $141.0M N/A
Q3 2023 $6.3B $83.0M N/A

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Sunoco LP Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$454.0M
Cash generated from operations
Capital Expenditures
$199.0M
Investment in assets
Dividends Paid
$48.0M
Returned to shareholders

SUN SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Sunoco LP (CIK: 0001552275)

📋 Recent SEC Filings

Date Form Document Action
May 7, 2026 10-Q sun-20260331.htm View →
May 5, 2026 8-K sun-20260505.htm View →
Apr 21, 2026 8-K sun-20260421.htm View →
Mar 9, 2026 8-K d114219d8k.htm View →
Feb 27, 2026 8-K d76137d8k.htm View →

Frequently Asked Questions about SUN

What is the AI rating for SUN?

Sunoco LP (SUN) has an AI grade of C with 72% confidence, based on fundamental analysis of SEC EDGAR filings.

What are SUN's key strengths?

Claude: Exceptional earnings growth of 68.4% YoY driven by operational leverage in refining margins. Solid revenue growth of 11.1% YoY in commodity-exposed sector.

What are the risks of investing in SUN?

Claude: Critically thin gross margin (4.0%) and net margin (6.0%) provide minimal buffer against operational disruptions or margin compression. High debt burden of $13.9B relative to thin equity base; quick ratio of 0.92x signals potential short-term liquidity stress.

What is SUN's revenue and growth?

Sunoco LP reported revenue of $10.7B.

Does SUN pay dividends?

Sunoco LP pays dividends, with $48.0M distributed to shareholders in the trailing twelve months.

Where can I find SUN SEC filings?

Official SEC filings for Sunoco LP (CIK: 0001552275) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is SUN's EPS?

Sunoco LP has a diluted EPS of $0.00.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined grade reflects both perspectives for balanced insights.

What is SUN's fundamental grade?

Based on our AI fundamental analysis in May 2026, Sunoco LP has a C grade with 72% confidence. Review the strengths and risks sections above for full context. This is not investment advice.

Is SUN stock overvalued or undervalued?

Valuation metrics for SUN: ROE of N/A (sector avg: 14%), net margin of 6.0% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

What is SUN's AI grade for 2026?

Our dual AI analysis gives Sunoco LP a combined C grade for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is SUN's free cash flow?

Sunoco LP's operating cash flow is $454.0M, with capital expenditures of $199.0M. FCF margin is 2.4%.

How does SUN compare to other Energy stocks?

Vs Energy sector averages: Net margin 6.0% (avg: 12%), ROE N/A (avg: 14%), current ratio 1.40 (avg: 1.3).

Top Rated Stocks
AAPL 92% MSFT 92% FAST 92% ANET 88% RDDT 88% KNSL 88% MGRE 88% FIZZ 88% DECK 87% NVDA 87%
Sector: All Energy Stocks →
Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 8, 2026 | Data as of: 2026-03-31 | Powered by Claude AI