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In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full. In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. This is a conservative way of estimating the company's value.
Westport Fuel Systems's Net-Net Working Capital for the quarter that ended in Mar. 2026 was $0.37.
The industry rank for Westport Fuel Systems's Net-Net Working Capital or its related term are showing as below:
WPRT's Price-to-Net-Net-Working-Capital is ranked better than 61.04% of 385
companies
in the Vehicles & Parts industry
Industry Median: 7.5
vs WPRT: 5.32
Westport Fuel Systems (NAS:WPRT) Net-Net Working Capital Explanation
One research study, covering the years 1970 through 1983 showed that portfolios picked at the beginning of each year, and held for one year, returned 29.4 percent, on average, over the 13-year period, compared to 11.5 percent for the S&P 500 Index. Other studies of Graham's strategy produced similar results.
Benjamin Graham looked for companies whose market values were less than two-thirds of their net-net value. They are collected under our Net-Net screener.
Westport Fuel Systems Net-Net Working Capital Related Terms
Westport Fuel Systems Net-Net Working Capital Historical Data
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The historical data trend for Westport Fuel Systems's Net-Net Working Capital 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.
Westport Fuel Systems Net-Net Working Capital Chart
WPRT vs ORLY, AZO, GPC: Net-Net Working Capital Comparison
For the Auto Parts subindustry, Westport Fuel Systems's Price-to-Net-Net-Working-Capital, along with its competitors' market caps and Price-to-Net-Net-Working-Capital 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.
Westport Fuel Systems Price-to-Net-Net-Working-Capital vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Westport Fuel Systems's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where Westport Fuel Systems's Price-to-Net-Net-Working-Capital falls into.
* 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.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full.
In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. In "Security Analysis", preferred stock is dubbed "an imperfect creditorship position" that is best placed on the balance sheet alongside funded debt.
This is a conservative way of estimating the company's value.
What does a Net-Net Working Capital of $0.37 mean?
Westport Fuel Systems (WPRT) has a Net-Net Working Capital of $0.37 as of Mar. 2026. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Westport Fuel Systems According to the industry distribution chart, Westport Fuel Systems ranks #150 out of 385 companies in the Vehicles & Parts industry, placing it in the top 39%.
Is Westport Fuel Systems' Net-Net Working Capital too high?
Westport Fuel Systems' current Net-Net Working Capital is $0.37. The Vehicles & Parts industry median Net-Net Working Capital is 7.50. Westport Fuel Systems' value of $0.37 is 95.1% below this industry median. Based on the distribution chart, Westport Fuel Systems ranks #150 out of 385 companies in the Vehicles & Parts industry, which is above the industry midpoint. Overall, Westport Fuel Systems has a GF Score™ of 48/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Westport Fuel Systems' Net-Net Working Capital compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Westport Fuel Systems ranks #150 out of 385 companies for Net-Net Working Capital. This puts Westport Fuel Systems in the upper half of its industry. The industry median Net-Net Working Capital is 7.50. Westport Fuel Systems' value of $0.37 is 95.1% below this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net-Net Working Capital for a Vehicles & Parts company?
The median Net-Net Working Capital among Vehicles & Parts companies is 7.50, based on 385 companies in the industry. Companies in the top quartile (top 25%) have a Net-Net Working Capital significantly above this median, while those in the bottom quartile fall well below. However, Net-Net Working Capital should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Westport Fuel Systems's current Net-Net Working Capital of $0.37 is 95.1% below 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 Net-Net Working Capital mean?
A high Net-Net Working Capital can signal that a stock is expensive relative to its fundamentals. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on Westport Fuel Systems For the Vehicles & Parts industry, the median Net-Net Working Capital is 7.50 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Westport Fuel Systems's current Net-Net Working Capital is $0.37. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Westport Fuel Systems stock overvalued right now?
Based on GuruFocus' analysis, Westport Fuel Systems (WPRT) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.26, compared to a current price of $1.92 — trading 52% above its estimated fair value. The current Net-Net Working Capital is $0.37 and 95.1% below the Vehicles & Parts industry median of 7.50. Westport Fuel Systems' overall GF Score™ is 48/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net-Net Working Capital calculated?
Net-Net Working Capital is calculated from a company's financial statements. For Westport Fuel Systems (WPRT), the current Net-Net Working Capital is $0.37 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 Westport Fuel Systems (WPRT) Overvalued in 2026?
Based on GuruFocus' analysis, Westport Fuel Systems stock appears to be overvalued.
The current stock price of $1.92 is trading 52% above its estimated GF Value™ of $1.26.
GuruFocus considers Westport Fuel Systems to be Significantly Overvalued.
Key valuation signals for WPRT:
Net-Net Working Capital: $0.37
GF Value™: $1.26 vs. price of $1.92 (52% above fair value)
Industry Position: 95.1% below the Vehicles & Parts median (#150 of 385)
No single metric tells the full story. See the WPRT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Westport Fuel Systems Inc is an organization engaged in the engineering, manufacturing, and supply of alternative fuel systems and components for transportation applications. It has three reportable segments: High-Pressure Controls, Heavy-Duty OEM, and Cespira. It derives maximum revenue from Heavy-Duty OEM segment. Heavy-Duty OEM segment's products include HPDI related fuel system solutions and components. Geographically, the company operates in Europe, America and Asia, of which it generates maximum revenue from Europe. It also develops and supplies advanced LPG, CNG, LNG and H2 systems and components for OEM (original equipment manufacturer) D-OEM (delayed oem) and After Market (retrofit market) world-wide.
48GF Score
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Net-Net Working Capital is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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