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FJ Research

Substack
fjresearch.com· weekly· Published 4 days ago

An investing newsletter that shares the author's concentrated stock portfolio, trade decisions and quarterly company updates, focused on what it calls category-defining companies. Free posts give theses and results, while position sizing details are reserved for paid subscribers.

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Platform
Substack
Frequency
Weekly
Latest issue
Oct 20, 2026
Language
English
Written for
Retail investors following high-conviction, concentrated stock strategies
Tone
opinion
Tracked since
Oct 24, 2026

Website: https://www.fjresearch.com