Main Street Betz

The Smart Money Report

Every month we pull the biggest insider and institutional buys off the SEC tape — the funds, the founders, the cluster buys — and tell you what they signal. Real filings, plain English, no tips.

Research like this, every week

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The Archive

Read Every Issue

No. 01 · April 2026

When The Big Money Buys Its Own Stock

Volkswagen's $1B into Rivian · a Bain Capital cluster · John Paulson adds.

No. 02 · May 2026

The Month The Billionaires Went Shopping

Gates's Cascade loads up · Sumitomo backs Jefferies · John Malone adds $106M.

No. 03 · June 2026

When Insiders Buy Their Own Fear

A $100M Summit cluster · a Robinhood director who won't stop · a tanker CEO.

No. 04 · July 2026

The Strategic Buyers Came Back For More

Sumitomo doubles down on Jefferies · GoPro's founder under $1 · Uber's stake.

Why It Works

The Big Money Can't Move Quietly

A fund pushing hundreds of millions into a stock is an elephant climbing into a bathtub — the water has to go somewhere. It shows up in Form 4 filings, in cluster buys, in checks too big to hide. Those footprints are public. Most people just never learned to read them. That's the whole job of this report.

The smart money can hide its opinions. It can't hide its money.

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Disclaimer

Main Street Betz is a financial newsletter, not a licensed financial advisor. Nothing here is investment advice or a recommendation to buy or sell any security. Every transaction described is drawn from public SEC Form 4 filings and is reported for educational purposes. Insider and institutional buying is one signal among many and does not predict price. Past performance guarantees nothing. Do your own research, and trade at your own risk.