The Compounding Tortoise

Substack by The Compounding Tortoise · launched Dec 28, 2023

Sharing in-depth reports on under-the-radar high-quality compounders with a compelling ROIIC-growth-valuation disconnect. Covering serial acquirers.

Read The Compounding Tortoise →

Top in Finance

#350

Paid leaderboard

#183

Paid subscribers

100+ paid

Badge

Bestseller 100

Paid plan

$45/mo

Growth history

Stats worth sharing

Tracked since Sep 10, 2026 — 21 daily snapshots so far. The card below is built from what we track and refreshes nightly.

Percentile

Top 67%

of 525 ranked finance newsletters

Best rank seen

#316

on Sep 12, 2026

Reactions per post

12

average, recent posts

Reactions tracked

144

across 12 posts

Most-reacted post we have seen: Some Portfolio Overhauls — 17 reactions on Aug 25, 2026.

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Recent posts

• Puuilo’s 1H 2026 - Analysis

  Sep 10, 2026Paid4 reactions0 comments1 restacks

• Google Investing 13 Billion Euros in Finland

  Sep 9, 2026Paid11 reactions0 comments3 restacks

• The Principles of Valuation (Part I)

  Sep 8, 202610 reactions0 comments5 restacks

• Auroora Yhtiöt

  Sep 5, 2026Paid11 reactions0 comments9 restacks

• Q3 2026 - HEICO

  Aug 30, 2026Paid10 reactions3 comments4 restacks

• Relevant Portfolio News

  Aug 26, 2026Paid10 reactions0 comments2 restacks

• Some Portfolio Overhauls

  Aug 25, 2026Paid17 reactions1 comments3 restacks

• A Hidden UK Compounder Ticking Our Boxes

  Aug 24, 2026Paid15 reactions3 comments3 restacks

• Q2 & 1H 2026 - Undisclosed

  Aug 20, 2026Paid12 reactions1 comments4 restacks

• The Nuances of Revenue Timing

  Aug 18, 2026Paid12 reactions0 comments4 restacks

• A New Pitch and New Buy

  Aug 17, 2026Paid17 reactions6 comments5 restacks

• Q2/1H 2026 - Constellation Software

  Aug 12, 2026Paid15 reactions0 comments4 restacks

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Data: Substack public leaderboards and publication archives, refreshed nightly, plus public beehiiv sitemaps and recommendation pages, refreshed weekly. Source for this page: The Compounding Tortoise. Subscriber counts are Substack’s own rounded public figures, so week-on-week changes move in steps. beehiiv audience sizes are self-reported by the publisher and are not verified. Last snapshot: Nov 9, 2026.