Spire (STU:LGR) FCF Margin %: 21.39% (As of Mar. 2026)


STU:LGR Spire Inc STU:LGR
75 GF Score
Price €66.00
GF Value €49.28
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Spire FCF Margin %?

Spire STU:LGR -4.35% 75 FCF Margin % is 21.39% as of Mar. 2026. GuruFocus rates STU:LGR with a GF Score™ of 75/100 and a GF Value™ of €49.28 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 499 Utilities - Regulated companies, Spire ranks worse than 75.95% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Spire's Free Cash Flow for the three months ended in Mar. 2026 was €189 Mil. Spire's Revenue for the three months ended in Mar. 2026 was €882 Mil. Therefore, Spire's FCF Margin % for the quarter that ended in Mar. 2026 was 21.39%.

As of today, Spire's current FCF Yield % is -4.66%.

The historical rank and industry rank for Spire's FCF Margin % or its related term are showing as below:

STU:LGR' s FCF Margin % Range Over the Past 10 Years
Min: -22.62   Med: -8.85   Max: 2.28
Current: -8.63


During the past 13 years, the highest FCF Margin % of Spire was 2.28%. The lowest was -22.62%. And the median was -8.85%.

STU:LGR's FCF Margin % is ranked worse than
75.95% of 499 companies
in the Utilities - Regulated industry
Industry Median: 2.36 vs STU:LGR: -8.63


Spire FCF Margin % Related Terms


Spire FCF Margin % Historical Data

* Premium members only.

The historical data trend for Spire's FCF Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Spire FCF Margin % Chart

Spire Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -16.77 -22.62 -8.34 1.97 -13.91

Spire Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
FCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 15.78 -21.66 -68.12 -15.98 21.39

STU:LGR vs OGS, MDU, BKH: FCF Margin % Comparison

For the Utilities - Regulated Gas subindustry, Spire's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Spire FCF Margin % vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Spire's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Spire's FCF Margin % falls into.


STU:LGR
75GF Score
Spire Inc STU:LGR
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Spire FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Spire's FCF Margin for the fiscal year that ended in Sep. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Sep. 2025 )/Revenue (A: Sep. 2025 )
=-293.429/2109.893
=-13.91 %

Spire's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin=Free Cash Flow (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=188.743/882.3
=21.39 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of 21.39% mean?
Spire (STU:LGR) has a FCF Margin % of 21.39% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Spire and its competitors. According to the industry distribution chart, Spire ranks #379 out of 499 companies in the Utilities - Regulated industry, placing it in the top 76%.
Is Spire's FCF Margin % too high?
Spire's current FCF Margin % is 21.39%. The Utilities - Regulated industry median FCF Margin % is 2.36. Spire's value of 21.39% is 806.4% above this industry median. Based on the distribution chart, Spire ranks #379 out of 499 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Spire has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Spire's FCF Margin % compare to OGS and MDU?
According to the Utilities - Regulated industry distribution chart, Spire ranks #379 out of 499 companies for FCF Margin %. This places Spire in the lower half of its industry. The industry median FCF Margin % is 2.36. Spire's value of 21.39% is 806.4% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for an Utilities - Regulated company?
The median FCF Margin % among Utilities - Regulated companies is 2.36, based on 499 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Spire's current FCF Margin % of 21.39% is 806.4% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Spire and its competitors. For the Utilities - Regulated industry, the median FCF Margin % is 2.36 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Spire's current FCF Margin % is 21.39%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Spire stock overvalued right now?
Based on GuruFocus' analysis, Spire (STU:LGR) is currently considered Significantly Overvalued. The stock's GF Value™ is €49.28, compared to a current price of €66.00 — trading 33.9% above its estimated fair value. The current FCF Margin % is 21.39% and 806.4% above the Utilities - Regulated industry median of 2.36. Spire's overall GF Score™ is 75/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Spire (STU:LGR), the current FCF Margin % is 21.39% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Spire (STU:LGR) Overvalued in 2026?

Based on GuruFocus' analysis, Spire stock appears to be overvalued. The current stock price of €66.00 is trading 33.9% above its estimated GF Value™ of €49.28. GuruFocus considers Spire to be Significantly Overvalued.

Key valuation signals for STU:LGR:

  • FCF Margin %: 21.39%
  • GF Value™: €49.28 vs. price of €66.00 (33.9% above fair value)
  • GF Score™: 75/100 with 7 warning signs
  • Industry Position: 806.4% above the Utilities - Regulated median (#379 of 499)

No single metric tells the full story. See the STU:LGR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Spire Business Description

Other Exchanges SR:USA
Address 700 Market Street, Saint Louis, MO, USA, 63101
Spire Inc. is the holding company for Spire Missouri, Spire Alabama, other gas utilities, and gas-related businesses, focused on growing organically, investing in infrastructure, and advancing through innovation. Its three segments are Gas Utility, Gas Marketing, and Midstream. The Gas Utility segment is the core business and includes Spire Missouri, Spire Alabama, and Spire EnergySouth. The Gas Marketing segment includes Spire Marketing, which provides non-regulated natural gas services across the U.S. The Midstream segment includes Spire Storage, Spire STL Pipeline, and Spire MoGas Pipeline. The majority of revenue comes from Gas Utility.
75GF Score

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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€66.00
Price
€49.28
GF Value