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Actionable insights — Success Secrets of the Great Investors

The repeatable Compounding Quality process: not what he bought, but how he finds and values a quality compounder — written so the screen and the math can be rerun on any name.
2025-APR-20 · Thoughtful Money · Pieter Slegers (Compounding Quality) · ▶ Watch · full analysis · transcript
How to read this page: each insight is a method — a filter, a metric with a threshold, a valuation shortcut, or a decision rule — that Slegers actually described. The boxed line shows how it played out on the names in this interview. Timestamps deep-link into the video.

0:00 1. Disqualify fast — "say no in 60 seconds"

The repeatable method
  1. Treat idea triage as elimination, not selection: with ~60,000 listed stocks the goal is to reject, not to find reasons to buy.
  2. Give each candidate a 60-second test: look for a single disqualifier (no moat, no founder/skin-in-the-game, capital-hungry, weak cash conversion). "In 98% of cases you can find a reason to say no."
  3. Sort what survives into three piles (Munger): yes, no, and "too hard / too complex to understand" — and be willing to leave the too-hard pile alone indefinitely.
Here: he applies it live — his community asks "what about company X?" and he finds the no within a minute; only a handful (Kinsale, Medpace, Dino Polska) clear every filter and get real work.
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4:57 2. Compete only where you have an edge — the behavioural one

The repeatable method
  1. Classify any edge you might have as informational, analytical, or behavioural.
  2. Concede the first two: information is all online now, and analytical firepower (quants, PhDs, AI) crushes the individual, especially on large, widely-followed caps.
  3. Press the one edge institutions can't use: behaviour. You have no clients to answer to, so you can underperform for a quarter, hold cash, and wait for the obvious pitch — patience and discipline are the whole advantage.
Here: he owns zero big tech precisely because that's the crowded, analytically-efficient corner where retail has no edge — and still beat the S&P (+40% vs +24% since Oct 2023).
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13:20 3. Screen every name against the same six quality criteria

The repeatable method
  1. Require all six: (1) a moat; (2) skin in the game — a founder still running it with the majority of his wealth in the stock; (3) low capital intensity; (4) good capital allocation; (5) high profitability; (6) attractive growth.
  2. Treat skin-in-the-game as quantitative, not vibes: an HBR study found founder-led firms outperform ~3.9%/yr — enough, compounded, to put you in the top 1–2% of investors on its own.
  3. Run the whole market through the filter to build a fixed "investable universe" (his came to ~156 names); only shop from that list.
Here: MEDP founder August Troendle holds $1.9B of a $2B net worth in the stock; KNSL and DNP.WA are founder-run — each clears all six.
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15:42 4. Test earnings quality with FCF conversion

The repeatable method
  1. Set a profitability floor (net margin ≥10%), then check the more important number: what fraction of earnings turns into free cash flow.
  2. Require ≥90% earnings-to-FCF conversion. "Earnings are an opinion; cash flow is a fact." Poor conversion flags possible financial engineering, weak ethics, or simply a bad business.
  3. Use it as a quality tiebreak: the top FCF-conversion decile has historically beaten the bottom decile by ~18% (Jeremy Siegel, Stocks for the Long Run).
Here: the criterion underpins his cash-first read of every pick, and it's the axis on which he separates a compounder from an accounting-earnings story.
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17:28 5. Set growth thresholds, then haircut the forecasts

The repeatable method
  1. Demand >7% revenue growth and >9% FCF-per-share growth, both realised (past 5–10 yrs) and expected.
  2. Don't trust analyst forecasts at face value — they're systematically too optimistic; apply a Graham-style margin of safety, cutting 30–40% (a "15%" forecast becomes ~11% in your model).
  3. Prefer management guidance over analyst estimates (firms underpromise/overdeliver), and let a long-tenured CEO with a strong track record stand as evidence of durable execution.
Here (20:33): he explicitly discounts a 15% analyst estimate to ~11% before it drives a valuation.
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22:59 6. Judge capital allocation by ROIC — but only with a reinvestment runway

The repeatable method
  1. Assume most CEOs are poor capital allocators (they rose as salespeople/operators, untrained for the job) — so make allocation the thing you spend the most time on.
  2. Measure it with return on invested capital (NOPAT ÷ invested capital); require >15%. At 20% ROIC, every $100 invested throws off $20 of value.
  3. Apply the Munger caveat: a high ROIC only compounds if the company can reinvest most of its cash at that rate. A high-ROIC business that can't reinvest (so it buys back stock) is good; one that reinvests everything at a high ROIC is the rare "golden goose."
Here: DNP.WA (Dino Polska) is the golden goose — reinvesting nearly all FCF at a high return; AAPL is the cautionary limit — great ROIC, but too much cash to reinvest, hence buybacks.
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40:17 7. Triangulate value with three quick methods

The repeatable method
  1. Forward PE vs its own 10-yr average — naive, ignores the current outlook, but a stock at its cheapest multiple in a decade is a flag worth chasing.
  2. Earnings-growth model — expected annual return ≈ EPS growth + dividend yield ± change in the multiple. Decide if that number clears your hurdle.
  3. Reverse DCF — instead of forecasting, solve for the FCF growth the current price already implies, then judge whether that's beatable versus history/guidance. (Invert, per Munger.)
Here: LVMUY flags on method 1 (cheapest PE in 10 yrs); KNSL ≈ 13% EPS − 1% multiple + 0% yield ≈ 12%/yr on method 2; MEDP's price implies only ~11% FCF growth vs ~15% historical on method 3 → "too conservative," a buy.
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44:48 8. Value on a napkin — roughly right beats exactly wrong

The repeatable method
  1. Don't chase two-decimal precision on intrinsic value; the inputs are too uncertain to justify it.
  2. If a business is genuinely cheap and good, it should be obvious from a back-of-a-napkin calculation.
  3. Use complexity as a signal: "if you need Excel to figure out whether a stock is interesting, it probably isn't."
Here: his Kinsale return math (a three-term sum) and Medpace reverse-DCF read are both stated off the top of his head — decisions that don't survive without a model are treated as non-decisions.
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46:25 9. Sell only when the case breaks — never on valuation

The repeatable method
  1. Default to buy-and-hold: if the investment case is intact, the company keeps compounding intrinsic value, so there's no reason to sell — don't trim winners on price.
  2. Sell for exactly one reason: the original thesis is no longer intact (the moat, the growth, or the predictability you underwrote has changed). Treat every sale as evidence you made a mistake at purchase.
  3. Stress-test with the closed-market test: "would you still own this if the stock market shut for 10 years?" Yes → keep; no → sell.
Here: TXT.WA sold when AI flipped from tailwind to threat (predictability gone); ULTA sold when the moat proved thinner (beauty retail more competitive/fragmented) — while his biggest, now-expensive winner stays untrimmed. (49:41)
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Methods distilled from the public YouTube video (transcript in transcript.txt) for personal study. Not investment advice. © Thoughtful Money / Compounding Quality for source material.