Updated Apr 26, 2026 · 648 articles

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Educational guides about 13F filings, insider trading, institutional investing, and how to track smart money moves.

April 26, 2026
Apr 26Learn

How to Read Active Holder Depth in Small-Cap Semiconductors

Small semiconductor stocks can look thin until you separate passive scale from active specialist ownership.

Sarah Mitchell
Apr 26Learn

How to Compare Airline Fuel News With Holder Depth

Fuel-cost headlines move airline stocks quickly, but holder depth shows whether institutions actually reposition after the shock.

Sarah Mitchell
Apr 26Learn

How to Read 13D/G Exit Filings Without False Signals

13D/G exit filings can look dramatic, but investors need to compare them with holder tables, amendments and reporting thresholds before calling an ownership exit.

Sarah Mitchell
Apr 26Learn

How to Read Multi-Class Insider Sales Without False Exit Claims

How to Read Multi-Class Insider Sales Without False Exit Claims with a practical checklist for separating ownership structure from headline narrative.

Sarah Mitchell
Apr 26Learn

How to Use CEO Succession News With Holder Depth

How to Use CEO Succession News With Holder Depth with a practical checklist for separating ownership structure from headline narrative.

Sarah Mitchell
Apr 26Learn

How to Tell a Platform 13F From a Stock-Picking Portfolio

How to Tell a Platform 13F From a Stock-Picking Portfolio with a practical checklist for separating ownership structure from headline narrative.

Sarah Mitchell
Apr 26Learn

How to Check Insider Sales Against Beneficial Ownership

Form 4 sale rows can mislead unless investors check Table I, Table II and 13D/G ownership records.

Sarah Mitchell
Apr 26Learn

How to Avoid Overreading Mega-Filer 13F Positions

Mega-filer 13Fs are structure maps first and stock-picking signals second.

Sarah Mitchell
Apr 26Learn

How to Read Active Holder Count After a Stock News Event

Active holder count helps separate durable institutional sponsorship from passive ownership after a headline.

Sarah Mitchell
Apr 26Learn

How to Use Share Counts After a Stock Headline

A practical guide to reading ownership data without confusing passive exposure, price moves, or mechanical insider transactions for conviction.

Sarah Mitchell
Apr 26Learn

How to Check Form 4 Table I Against Table II

A practical guide to reading ownership data without confusing passive exposure, price moves, or mechanical insider transactions for conviction.

Sarah Mitchell
Apr 26Learn

How to Read Market News With Holder Depth

A practical guide to reading ownership data without confusing passive exposure, price moves, or mechanical insider transactions for conviction.

Sarah Mitchell
Apr 26Learn

How to Separate Passive and Active 13F Holders

A practical guide to reading ownership data without confusing passive exposure, price moves, or mechanical insider transactions for conviction.

Sarah Mitchell
Apr 26Learn

How to Build a Next-Filing Checklist After Oil Price News

A practical framework for reading Oil Price News Checklist with 13F Insight data.

Sarah Mitchell
Apr 26Learn

How to Read Three-Position Foundation 13F Portfolios

A practical framework for reading Foundation 13F Portfolios with 13F Insight data.

Sarah Mitchell
Apr 26Learn

How to Use 13F AUM Drops Without Calling Them Redemptions

A practical framework for reading 13F AUM Drops with 13F Insight data.

Sarah Mitchell
Apr 26Learn

How to Check Active vs Passive Ownership Before Copying a 13F

A practical framework for reading Active vs Passive Ownership with 13F Insight data.

Sarah Mitchell
Apr 26Learn

How to Read Mega-Filer Holder Depth After Market News

A practical framework for reading Market News Holder Depth with 13F Insight data.

Sarah Mitchell
Apr 26Learn

How to Compare Capital Group 13F Filings Without Double Counting

Capital Group-related filers can hold similar mega-cap names, but each 13F still needs separate share-count and weight analysis.

Sarah Mitchell
Apr 26Learn

How to Use Holder Depth Around Retail Sales Events

Retail promotions are consumer events. Holder depth tells investors whether the stock has enough active ownership for the event to matter.

Sarah Mitchell