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.
The industry rank for STI Education Systems Holdings's Net-Net Working Capital or its related term are showing as below:
PHS:STI's Price-to-Net-Net-Working-Capital is not ranked *
in the Education industry.
Industry Median: 5.31 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
STI Education Systems Holdings (PHS:STI) 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.
STI Education Systems Holdings Net-Net Working Capital Related Terms
STI Education Systems Holdings Net-Net Working Capital Historical Data
* 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.
STI Education Systems Holdings Net-Net Working Capital Chart
PHS:STI vs EDU, TAL, LAUR: Net-Net Working Capital Comparison
For the Education & Training Services subindustry, STI Education Systems Holdings'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.
STI Education Systems Holdings Price-to-Net-Net-Working-Capital vs Education Industry
For the Education industry and Consumer Defensive sector, STI Education Systems Holdings's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where STI Education Systems Holdings'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 ₱-0.05 mean?
STI Education Systems Holdings (PHS:STI) has a Net-Net Working Capital of ₱-0.05 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 STI Education Systems Holdings According to the industry distribution chart, STI Education Systems Holdings ranks #999999 out of 91 companies in the Education industry.
Is STI Education Systems Holdings' Net-Net Working Capital too high?
STI Education Systems Holdings' current Net-Net Working Capital is ₱-0.05. Based on the distribution chart, STI Education Systems Holdings ranks #999999 out of 91 companies in the Education industry, which is in the bottom quartile relative to peers. Overall, STI Education Systems Holdings has a GF Score™ of 98/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does STI Education Systems Holdings' Net-Net Working Capital compare to EDU and TAL?
According to the Education industry distribution chart, STI Education Systems Holdings ranks #999999 out of 91 companies for Net-Net Working Capital. This places STI Education Systems Holdings in the lower half of its industry. The industry median Net-Net Working Capital is 5.31. 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 an Education company?
The median Net-Net Working Capital among Education companies is 5.31, based on 91 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. 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 STI Education Systems Holdings For the Education industry, the median Net-Net Working Capital is 5.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. STI Education Systems Holdings's current Net-Net Working Capital is ₱-0.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STI Education Systems Holdings stock overvalued right now?
Based on GuruFocus' analysis, STI Education Systems Holdings (PHS:STI) is currently considered Modestly Undervalued. The stock's GF Value™ is ₱1.36, compared to a current price of ₱1.20 — trading 11.8% below its estimated fair value. The current Net-Net Working Capital is ₱-0.05. STI Education Systems Holdings' overall GF Score™ is 98/100 with 1 warning sign 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 STI Education Systems Holdings (PHS:STI), the current Net-Net Working Capital is ₱-0.05 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 STI Education Systems Holdings (PHS:STI) Overvalued in 2026?
Based on GuruFocus' analysis, STI Education Systems Holdings stock appears to be undervalued.
The current stock price of ₱1.20 is trading 11.8% below its estimated GF Value™ of ₱1.36.
GuruFocus considers STI Education Systems Holdings to be Modestly Undervalued.
Key valuation signals for PHS:STI:
Net-Net Working Capital: ₱-0.05
GF Value™: ₱1.36 vs. price of ₱1.20 (11.8% below fair value)
No single metric tells the full story. See the PHS:STI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
STI Education Systems Holdings Business Description
STI Education Systems Holdings Inc is a Philippine investment holding company focused on education and education-related activities through subsidiaries that operate schools offering basic education, Senior High School, tertiary, post-graduate, and non-degree programs. The majority of its revenues come from educational services provided over time. It is organized into five geographical segments: Metro Manila, Northern Luzon, Southern Luzon, Visayas, and Mindanao, with the majority of revenue coming from Metro Manila.
98GF Score
Get the complete analysis for PHS:STI
Net-Net Working Capital is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
PHS:STI has been successfully added to your 
