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Aquitaine Equity Research

Luke Emerson, CFA

Independent equity research (primarily) on U.S. mid- to mega-cap companies, written by a former buy-side analyst and CFA charterholder. AVP +46% vs. S&P 500 +13%—long only, no options, no leverage of any kind.

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Substack
PricingFreemiumPublishesWeekly
Issues11Foundeda year agoLast Issue23 days ago
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aquitaineresearch.com
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Latest Issues

The Aquitaine Variant Portfolio

The Aquitaine Variant Portfolio (AVP) was previously called the Aquitaine Model Portfolio (AMP). The name was a poor fit, and I’ve taken down the earlier portfolio posts. I explain both decisions at the end of this piece.


“If all th...

23 days ago
10

Lululemon: Second Thoughts

“I learned early in my career that being a successful investor is all about picking the right [CEO] … So you need the pattern-matching skills to know the difference between great and not.” - Barry McCarthy

I first wrote about Lululemon in...

a month ago
54
8

Airbnb: What the Bears Are Missing

This is Aquitaine’s second post on Airbnb, following the teaser published in November. The full write-up is long overdue, owing to a difficult stretch of family circumstances. ABNB has risen significantly since, but the setup remains attrac...

5 months ago
13
1

Portfolio Performance Review

Editor’s note (July 2026): The portfolio described below — the Aquitaine Model Portfolio (AMP) — was subsequently renamed the Aquitaine Variant Portfolio (AVP), with a revised tracking methodology. Performance figures in this post reflect...

9 months ago
7
1

Lululemon: Pulse Check

LULU up ~20% since publication, CEO stepping down—what now?

Lululemon (LULU) jumped on heavy volume following its Q3 earnings release Thursday afternoon—extending a rally that’s pushed the stock ~20% higher since I published my deep dive....

9 months ago
9
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  • Luke Emerson, CFA

    Often right, always in doubt. AVP +46% vs. S&P 500 +13%—long only, no options, no leverage of any kind.

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