All Insights, newest first. Essays developed to answer questions from our letters and series, primary-source Investigations, Practice Notes and selected work first published elsewhere.

Essays developed from questions and observations first raised in our Monthly Investment Letters to clients. Some take a single question into new research. Others return to the broader letter and follow the connections running through it.

Essays developed from questions and ideas raised in our Monthly Investment Series discussions with investors, managers and specialists. The conversation is the starting point; the analysis and conclusions are our own.

We go back to the primary record to reconstruct an investment decision, institution or market event: what happened, what was known, how the mechanism worked and where the evidence stops.

Practical frameworks, records and decision tools drawn from our research and investigations. They focus on what can usefully transfer into investment practice, and where the limits sit.

Selected Banyantree essays and contributions first published elsewhere, included where the work remains useful to professional investors.

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