Investor Due Diligence Report
Explore the cosmos with astrophysicist and author Dr. Ethan Siegel! From the origin of everything to the fate of the universe, Ethan and Big Think are here to answer your biggest questions.
61K
~0%
Subscriber count is a platform estimate
14.5
31.5
0.08%
(comments + likes) / subscribers
Weekly
1.8 posts/week
56/100
Variable (~5.3d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Humanity United Now - Ana Maria Mihalcea, MD, PhD | 71K | N/A | $5/mo | substack |
| The Poetry of Reality with Richard Dawkins | 47K | N/A | $7/mo | substack |
| Make Me Good Soil | 38K | N/A | $10/mo | substack |
| Everything Is Amazing | 31K | N/A | $6/mo | substack |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
61K subscribers — above the 2K category median for first paid tier
Has paid tier
No paid subscription tier yet
Peer monetization
100% of 17 similar-size peers in Science have paid tiers
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 33/100 | 30% |
| Publishing Consistency | 27/100 | 10% |
| The Century of Biology | 25K | N/A | Free | substack |
Revenue Model
Pre-monetization — no paid subscription tier