//
Get monthly newsletter intelligence — trends, top movers, new opportunities
Newsletter Insights — advertising rates and audience data for 45K+ newsletters
Browse all →Advertisers are viewing this page. Claim it
Platform Portability
Uses Substack subdomain (thecompoundingtortoise.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
Sharing in-depth reports on high-quality compounders | Teaching our subscribers how to build a portfolio with high returns and low risk.
Data updated 5 months ago
The Compounding Tortoise hasn't published recently
Last post was 5 months ago. Growth, revenue and CPM projections assume ongoing activity, so they're hidden until posting resumes.
120 paid
We don't have enough growth data for The Compounding Tortoise yet. The average Education newsletter has 1K subscribers.
Based on 401 Education newsletters tracked
Engagement Rate
0.00%
Education category average
Quality Score
Engagement vs Education
0.00%category median
Score Breakdown
vs 62 newsletters in Education
4K places you in the top 25% of newsletters in this category.
Posts per Week
2.0
median: 1.0
Publishing Consistency
65/100
median: 65/100
Subscribers
4K
median: 1K
| Subscriber-only |
| Buying Into Two New PositionsOne is an old friend, the other got profiled earlierMar 24, 2026 | Subscriber-only |
| 14.7% Growth in EBITA per Share in FY25Adding a new position soon? Another year of outperformance for our companiesMar 15, 2026 | Subscriber-only |
| Q4 & FY 2025 - Constellation Software and Its Spin-Outs - Full RecapNotable increase in M&A pipeline - exploring mispriced publicly traded assetsMar 11, 2026 | Subscriber-only |
Running the Room
4K subs
Without a Trace
4K subs
Tips for Teaching Professors
4K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of The Compounding Tortoise vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including Dell AI Factory, Carnegie Hall, Replit + 30 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Previously ~2x per week
Inactive — last post 5 months agoEducation Pricing
$5/mo median
Premium tier
Monetization Readiness
Already monetizing
100% of similar-size Education newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — free