Porter's Journal

A Big Bet On The Rich

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Finding Forever Stocks With The Emerging Lindy Screen

In a market obsessed with quarterly results and narratives that change by the week, today’s screen searches for something rarer – companies that are built to last for decades. The screen identifies the next generation of enduring businesses before they’re widely recognized. 

Companies that would have qualified for this screen prior to 2010 include Amazon (AMZN), Netflix (NFLX), Apple (AAPL), and Axon (AXON) – businesses once considered outliers that are now recognized as category designers. Investors who bought them early went on to generate annualized returns exceeding 25% over the next 15 years. 

Today’s screen is about finding future Lindys: businesses that combine invention with discipline, transforming broken industries through structural innovation, vertical integration, and cultural resilience. The new Emerging Lindy Screen is designed to uncover the next Amazon or Apple – the types of compounding machines we aim to own long before the world catches on.

Each week, here at Porter & Co., we apply our brainpower to uncover the most compelling, highest-upside investment ideas. And with this complimentary issue of the Daily Journal, we draw back the curtain to show you how we do it.

A key instrument in our analytical toolbox is our stock screens, in which we apply a list of criteria – relating to different financial, accounting, and performance parameters – to sift through the 14,000+ publicly traded stocks on U.S. markets. That’s how we are able to identify the tiny fraction of the universe of U.S.-listed stocks that offer the best opportunities for making money.

We often use the results from these screens as a starting point for more in-depth analysis for possible inclusion in the Complete Investor (formerly The Big Secret On Wall Street) portfolio.

Finding enduring, forever-compounding businesses is difficult enough on its own. But this week, we’re taking it a step further – identifying the Emerging Lindys before they become household names, while they’re still misunderstood, contrarian, or dismissed as failures. 

These are the companies that could define new industries for decades, compounding capital far beyond the market’s time horizon. They’re built on structural innovation, vertical integration, and cultural durability – qualities that make them enduring in a world of fragility. Emerging Lindys are companies transitioning from zero to one.

As Peter Thiel describes, going from zero to one means creating something truly new – not improving on what already exists or competing at the margin. 

While most progress is horizontal, zero-to-one progress is vertical – pure invention. It’s the leap that brings something into existence where nothing existed before. Facebook (META) didn’t just connect friends – it rewired how billions communicate and share identity. Netflix (NFLX) turned Friday-night rentals into a frictionless global habit, collapsing Hollywood into the cloud. Nvidia (NVDA) transformed the humble graphics chip into the engine of the AI revolution. Uber Technologies (UBER) didn’t improve the taxi – it reimagined urban mobility as a digital network. 

The Emerging Lindy Screen blends qualitative insight with quantitative rigor, filtering for firms that exhibit both structural innovation and financial traction – early signals of future Lindy compounding.

  • Zero-to-One DNA: Category creation and technological differentiation
  • Forever TAM: Serving universal, durable human needs – compute, health, money, safety
  • Founder-Led Mission: Long-term orientation and meaningful insider ownership
  • Financial Traction: Sustained >25% revenue growth, expanding gross margins, high retention, and visible free cash flow inflection
  • Path to Leverage: Operating expense as a percentage of revenue is declining, ROIC is rising steadily
  • Vertical Integration: Expansion from a focused wedge into a self-reinforcing ecosystem
  • Resilience: The ability to emerge stronger from cycles or shocks

By screening across these quantitative and qualitative dimensions, we aim to capture the moment when zero-to-one innovation turns into enduring compounding.

Here are the financial metrics we’ve used to produce today’s screen:

  1. Sustained high growth 
  • Revenue CAGR (five year) ≥ 25%
  1. Quality business with pricing power
  • Average gross margin (three year) ≥ 50% or
  • Average EBITDA margin (three year) ≥ 50% or
  • Average EBITDA margin growth ≥ 30%
  1. Efficiency improvement
  • Operating margin growth (three year) ≥ 15%
  1. Capital efficiency leading to compounding returns
  • ROIC growth (three year) ≥ 15% or
  • ROIC average (three year) ≥ 15%
  1. Self-funding growth, demonstrating positive unit economics
  • Positive FCF growth in at least three of last four years
  1. Remove balance sheet outliers
  • Net debt / EBITDA ≤ 6
  1. Alignment and continuity (founder/operator)
  • More than five insiders own shares

For many Emerging Lindys or early-stage compounders, leverage isn’t a sign of fragility but of strategic reinvestment. These companies often take on debt to fund infrastructure, content, or capacity ahead of cash flow maturity. Amazon and Axon both carried high levels of debt during their early expansion phases, when EBITDA lagged growth, yet those investments laid the foundation for long-term profitability. When reinvested capital earns outsized returns, temporary leverage becomes a bridge to compounding – which is why we’ve used a higher net-debt-to-EBITDA ratio.

Today’s screen featured 29 companies. You’ll see that some existing Lindy businesses made it through the screen, as testament to their enduring power and success:

Highs And Lows 

Each week, we also monitor any stocks in the market making a 52-week high. We do this because any stock on its way to generating 2x, 3x, or 10x returns will spend a lot of time making 52-week highs along the way. Thus, the 52-week-high list provides an opportunity to flag these potential high performers before they really break out, with a particular emphasis on lower-profile, less widely-followed stocks that might have otherwise gone unnoticed.

Notable stocks making a 52-week high this week: 

  • Apple (AAPL)
  • Alphabet (GOOGL)
  • AECOM (ACM)
  • AerCap (AER)
  • Amgen (AMGN)
  • Albemarle (ALB)
  • American Express (AXP)
  • Affiliated Managers (AMG)
  • API Group (APG)
  • Biogen (BIIB)
  • BorgWagner (BWA)
  • Coca-Cola Consolidated (COKE)
  • Carpenter Technology (CRS)
  • Cisco Systems (CSCO)
  • Dillard’s (DDS)
  • DT Midstream (DTM)
  • EQT (EQT)
  • Equinox Gold (EQX)
  • Expedia (EXPE)
  • Frontier Communications (FYBR)
  • Gilead Sciences (GILD)
  • General Motors (GM)
  • Goldman Sachs (GS)
  • IQVIA (IQV)
  • Johnson & Johnson (JNJ)
  • Markel Group (MKL)
  • Mueller Industries (MLI)
  • Eli Lilly (LLY)
  • Loews (L)
  • New York Times (NYT)
  • Travelers (TRV)

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We also monitor stocks on the 52-week-low list. In many cases, the names on this list are there for good reason – the market is often correctly pricing in weak fundamentals. However, once in a while, a great business with excellent long-term prospects finds itself on this list due to a temporary setback. This can create the rare opportunity to buy top-shelf merchandise at bargain-basement prices. 

Notable stocks making a 52-week low last week: 

  • C3.ai (AI)
  • AMC Entertainment (AMC)
  • Ardent Health (ARDT)
  • BillToOne (BLLN)
  • Barnes & Noble Education (BNED)
  • BellRing Brands (BRBR)
  • Webull (BULL)
  • CCC Intelligent Solutions (CCC)
  • Charter Communications (CHTR)
  • Camping World (CWH)
  • Trump Media & Technologies (DJT)
  • Amdos Limited (DOX)
  • Enphase Energy (ENPH)
  • Fermi (FRMI)
  • FIGMA (FIG)
  • Gambling.com (GAMB)
  • H&R Block (HRB)
  • Procter & Gamble (PG)

FOR PARTNERS ONLY

The Elite Way To Pay

Pulled from the 52-week-high list, today’s Saturday Selection is one of the most enduring and prestigious franchises in global finance – a company whose value rests on trust, service, and a remarkably loyal and affluent customer base. And like many iconic brands, it has weathered recurring doubts about whether its best days were in the past.

When Porter first recommended this company nearly a decade ago, investors questioned its relevance. The loss of a key partnership, intensifying competition, and fears that the premium model was stagnating fed a mistaken narrative that the company was losing steam. The concerns that once looked structural ultimately became strengths. And in an economy increasingly tilted toward higher-income consumers, it found itself perfectly positioned. Since Porter’s recommendation nearly a decade ago, the stock has gained 493% – good for 21% annual returns.

In other words, the company didn’t break – it adapted and continued to compound. This is the hallmark of a Lindy franchise: the longer it survives, the greater its staying power.

(To become a Partner Pass member, contact Customer Care at 888-610-8895, internationally at +1 443-815-4447, or via email at [email protected].)