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RJC

RJC

RJC Capital is a concentrated long-short portfolio manager sharing research, ideas, and observations on markets and technology. Focused, independent, and aligned with real capital at work.

Platform
Substack
PricingFreemiumPublishesDaily
Issues36SubscribersRead rjccapitalgroup.substack.com

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#74
Substack
/Finance(Paid)

Latest Issues

Recent posts by this newsletter. Browse the email archive.

Why Stop Losses Don't Work In Concentrated Portfolios

A simple explanation of why stop losses don’t reduce risk in concentrated portfolios.

7 days ago
16
6
Paid

Lucky Strike - Why OpenAI will win

Why advertising will define the AI platform reset and strengthen OpenAI’s competitive position.

16 days ago
20
3
Paid

What I Read This Week (2/16/2026) [Free Post]

> Welcome to What I Read This Week.

16 days ago
9
1

Portfolio Review 2/16/26

Thank you to everyone who subscribed over the past month I genuinely appreciate the support. We just crossed 4,300 subscribers in 4 short months.

16 days ago
28
0

Authors

The writers behind this newsletter.

  • RJC

    RJC Capital is a concentrated investor sharing research, ideas, and observations on markets and technology. Not Financial Advice.

  • Frequently Asked Questions

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    How can I find newsletters similar to RJC?

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