Expand your investing universe
Outperforming the index requires analyzing countless companies, not just one or two a year.
We help you save time and become more informed, by delivering in-depth research on a new and interesting company every week!
TDI-Premium is for long-term investors only
No technical analyses, price targets, or guesswork.
The conducted research focusses on understanding the fundamentals that determine your returns.
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Our Buffett-inspired approach:
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Comprehensive analyses covering every factor that shapes returns: business model, competitive moat, management, financial health, and valuation.
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Key metrics include ROIC, reinvestment rates, stock-based compensation (SBC), insider ownership, and management incentives.
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Rigorous evaluation of the balance sheet.
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Realistic, data-backed valuations for informed decisions.
To be analyzed in 2025:
Are there unfamiliar companies among them? Perfect! We aim to help you find hidden gems on the stock market.
Built on trust and transparency ​
Our team’s portfolio
We put our money where our mouth is.
Members can view the personal portfolios of our four researchers, updated in real time 24/7.
This is where we invest the majority of per our personal wealth.
Meet the experts
Bouke, Luuk, Mathijs, and Siem, have years of experience and a shared commitment to research-driven investing.
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Continuous learning is at the core of our philosophy. Instead of getting caught up in daily market swings or fixating on share prices, we focus on reading, analyzing, reflecting, and engaging with individuals who challenge and expand our thinking.
TDI Premium Membership
200$Every yearSave $50 on an annual membershipÂ- A fundamental analysis every Friday
- Available as podcast and PDF
- 24/7 Access to our portfolio's
- In-depth industry reports
- Investing tools & resources
- Exclusive TDI library
- Monthly member only newsletter
- All future features & updates
TDI Premium Membership
125$Every 6 monthsÂ- A fundamental analysis every Friday
- Available as podcast and PDF
- 24/7 Access to our portfolio's
- In-depth industry reports
- Investing tools & resources
- Exclusive TDI Library
- Monthly member newsletter
- All future features & updates
Your investing journey starts here!
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Stay informed on the go: each analysis is available in audio format.
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Save time: we focus exclusively on potential compounders.
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Stay within the essentials: every company analyzed is firmly within our circle of expertise.