By Mill Chart
Last update: Aug 23, 2025
In long-term investing, few strategies have received as much respect as the approach supported by Peter Lynch, former manager of the Magellan Fund. His methodology, detailed in One Up on Wall Street, highlights identifying companies with lasting growth, fair valuations, and sound financial health, often called the Growth at a Reasonable Price (GARP) style. Lynch supported investing in businesses that are not only profitable but also easy to understand, with controlled debt and steady performance, ideally found through daily observation and thorough fundamental analysis. This strategy stays away from speculative trends and market timing, concentrating instead on durable enterprises that can build value over years or decades.
QUALYS INC (NASDAQ:QLYS) appears as a candidate that fits well with Lynch’s criteria, based on a screen made to reflect his investment principles. The company offers cloud-based security and compliance solutions, operating through a software-as-a-service model, a steadily growing industry that matches Lynch’s liking for understandable, necessary services instead of short-lived trends.
Several key metrics make Qualys notable under Lynch’s framework:
Beyond these numerical filters, Qualys shows traits Lynch liked in a qualitative sense: it works in a necessary, repeat-demand sector (cloud security), has no debt, and shows consistent cash flow generation. The company’s focus on cybersecurity also connects to a long-term growth theme, making it a candidate for what Lynch named a “stalwart” investment, predictable, growing, and fairly priced.
A review of Qualys’ fundamental analysis supports this assessment. The report gives the company a good rating of 7 out of 10, noting outstanding profitability and financial health compared to industry peers. Margins, returns on equity and invested capital, and cash flow generation are all high-level, while valuation is seen as acceptable though not cheap. Growth, even if likely to slow a bit, stays positive and matches lasting expectations. These features together describe a company that is well-run, financially stable, and set for consistent long-term growth, a profile that matches strongly with Lynch’s philosophy.
Investors curious about finding other companies that meet similar criteria can see more results using this Peter Lynch strategy screen.
Disclaimer: This article is for informational purposes only and does not constitute investment advice. Investors should conduct their own research and consult with a financial advisor before making investment decisions.
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