Latest research, educational guides, and news from the world of institutional investing.
SEC Form 4 filings reveal when corporate insiders buy, sell, or exercise options in their own company's stock. Here's how to read them and what the patterns actually mean for investors.
13F amendments restate previous quarter's holdings, not new positions. Learn how amendments work, why they exist, and how 13F Insight handles them so you don't misread the data.
Some 13F filers are heavy on ETFs, others hold only individual stocks. Learn what the ETF-to-stock ratio tells you about a filer's strategy and how to interpret ETF holdings in institutional data.
Consensus holdings show which stocks are owned by the most institutional investors. Learn how to use this tool to identify widely held names and spot emerging institutional favorites.
Sector rotation — when institutions shift capital between sectors — is one of the most over-claimed signals in 13F analysis. This guide shows how to identify real rotations and avoid false positives.
Stock detail pages on 13F Insight show which institutions hold a specific stock. This guide explains what the holder list means, how it's ranked, and what it can't tell you.
Every 13F holding reports three voting authority fields: sole, shared, and none. These numbers reveal how much control a filer actually has over the shares they report.
Form 4 transaction codes (P, S, M, G, A, F, C, J) tell very different stories about insider intent. This guide explains each code and why reading them wrong leads to bad conclusions.
The same ticker can mean benchmark exposure in one portfolio and concentrated conviction in another. Context is everything.
Some quarters are just maintenance. Others are portfolio resets. Here is how to tell the difference in 13F data.
A first filing is a snapshot, not a pattern. Here is how to get useful signal from a new filer without pretending you already know its style.
ETF-heavy top holdings are not empty signal. They often tell you the actual allocation framework of the portfolio.
Holdings count is not a trivia field. It changes how you should interpret concentration, diversification, and the usefulness of a manager's top positions.
A position can get bigger because the manager bought more shares, because the stock rallied, or both. Historical holdings help you tell the difference.
The fastest way to get misled by 13F data is to compare random managers with totally different mandates. Filer groups fix that.
Consensus holdings and combined holdings sound similar, but they answer different questions and can mislead you in different ways.
A practical guide to comparing two institutional filings without getting trapped by holdings count, headline AUM, or one-off position anecdotes.
A practical guide to what ETF-heavy 13F filings really signal, where they help, and why broad wrappers do not automatically erase portfolio structure.
A practical guide to what WhaleScore is actually trying to measure, where it helps, and why raw AUM alone is a bad shortcut for institutional quality.
A practical explainer on how 13D and 13G filings work, why amendments matter, and how to read control intent without overreacting to every percentage point.