Star Group, L.P. (SGU) Stock

Star Group, L.P. (SGU) is a Consumer Discretionary stock trading at $12.63 (as of 2026-08-19), with a market capitalization of $414.69M and a trailing P/E of 4.2. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Star Group, L.P. sells home heating and air conditioning products and related services in the United States to residential and commercial customers supplied with home heating oil and propane. It also provides delivery-only sales of certain fuels and offers plumbing services, including installation, maintenance, and repair of heating and air conditioning equipment.

Understand Star Group, L.P.: how it makes money

Star Group sells home heating oil and propane, and also provides related installation, maintenance, repair, and plumbing services, making money through fuel product sales and installation and service revenue to residential and commercial customers in the United States.

The core profit engine is weather driven fuel demand, because earnings scale with gallons sold, which then benefits from the customer mix (full service versus delivery only) and ongoing attrition or acquisition activity that changes volumes over time.

Revenue by segment (latest quarter)
Sales	$0.8B
Install&Service	$0.1B

Business quality (Solid): Clear operational drivers exist (gallons sold, customer attrition, and volume changes tied to temperatures), and the latest quarter shows strong operating profitability (20.5% operating margin), but key product economics like gross margin are not provided here (null), and revenue is exposed to weather and volume declines.

Valuation: At 4× earnings, SGU trades 78% below the Retail average (19×). Note: one-time items can distort reported P/E.

Bull case

Volume and demand remain measurable and central, with 144,500,000 gallons sold of home heating oil and propane: Gallons sold is the clearest operating input to revenue for this heating fuel business.
Customer flows can offset volume pressure, with acquisitions adding 3,800,000 annual gallons: Acquisition additions can partially counteract volume decrease from net customer attrition and other factors (5,500,000).
Operating profitability is strong in the latest period, with 20.5% operating margin: This suggests the company can convert its sales and service mix into operating earnings, even as volumes fluctuate.

Bear case

Home heating oil and propane volume is down, with a 19.0% volume decline: This indicates a meaningful sensitivity to demand conditions.
Weather is a direct swing factor, with temperatures showing 19.0% versus last year and a 13.8% temperature deviation versus normal: If temperatures run warmer than expected, gallon demand can fall and revenue can weaken.
Customer churn affects volumes, with net customer attrition of 0.6%: Attrition contributes to volume decreases (including 5,500,000 tied to net customer attrition and other factors).

Valuation — source: SEC EDGAR (first-party)
Price	$12.63
Market Cap	$414.69M
P/E Ratio	4.2
EV / EBITDA	3.1
Price / Sales	0.22
FCF Yield	2.3%
DCF Value (model)	$57.45
DCF Upside vs Price	354.9%

Profitability & Growth — source: SEC EDGAR
Revenue (TTM)	$1.78B
Net Margin	4.1%
Revenue Growth (YoY)	3.2%
FCF Growth (YoY)	-119.7%

Valuation vs Sector & Industry
Stock P/E	4.2
Sector P/E (Consumer Discretionary)	20.5
Industry P/E (Retail)	19.5
vs Sector	-79.5%
vs Industry	-78.5%

Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional Holder	Hartree Partners, LP ($41.76M)
Institutional Holders Tracked	10

Company
Sector	Consumer Discretionary
Industry	Retail
CEO	Jeffrey Woosnam
Employees	3,039
Country	US
IPO Date	1995-12-15

Related Companies (Business model: Brick-and-Mortar Retail (incl. Omnichannel); 8 closest by market cap; US-domiciled)

Data as of 2026-08-19.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.