Coattail

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Everyone
5+
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Everyone
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About this app

Coattail™
Market intelligence in your pocket.

Follow the market's most influential investors and discover the signals behind the stocks you own and watch.

Coattail brings together congressional trades, hedge fund activity, insider transactions, institutional ownership, and market intelligence into one powerful research platform—so you can spend less time searching and more time understanding what matters.

Whether you're researching a new investment or monitoring your own portfolio, Coattail helps you see where influential money is moving and why.

MARKET INTELLIGENCE

Track publicly disclosed stock trading activity from:

• Members of Congress
• Hedge funds
• Corporate insiders
• Institutional investors

Discover new positions, increased holdings, exits, conviction signals, and other meaningful changes as they become publicly available.

THE COATTAIL BRIEF

Start each day with a personalized market briefing built around your holdings and watchlists.

Quickly see:

• Smart money activity overnight
• Insider buying and selling
• Hedge fund position changes
• Important company developments
• Market-moving intelligence

Know what changed—in minutes, not hours.

STOCK INTELLIGENCE

Research any U.S. stock and instantly understand who's buying, who's selling, and why it matters.

View insider activity, institutional ownership trends, recent filings, conviction signals, and other market intelligence—all in one place.

PORTFOLIO INTELLIGENCE

Connect your brokerage to receive personalized insights for the stocks you actually own.

Instead of tracking the entire market, Coattail surfaces the filings, news, investor activity, and market intelligence most relevant to your portfolio.

DISCOVER

Explore a continuously updated stream of market intelligence across thousands of publicly traded companies.

Uncover new investment ideas through institutional activity, insider transactions, congressional disclosures, and other meaningful market signals.

WATCHLISTS & ALERTS

Follow the stocks and influential investors that matter most to you.

Receive timely notifications when important filings, trades, or market events occur so you never miss what matters.

BUILT ON PUBLIC DATA

Coattail aggregates information from publicly available sources, including SEC filings, congressional disclosures, insider filings, institutional ownership reports, and other public market data, presenting it in a clear and actionable format.

Designed for investors who want deeper market intelligence without spending hours digging through filings and financial websites.

Congressional trade disclosures are sourced from official STOCK Act filings via the U.S. House Clerk (https://disclosures-clerk.house.gov) and the U.S. Senate Financial Disclosures database (https://efdsearch.senate.gov). Insider transactions are sourced from the SEC EDGAR database (https://www.sec.gov).

IMPORTANT DISCLOSURE

Coattail is an informational platform and does not provide investment advice or investment recommendations. Investing involves risk, including the possible loss of principal. Past performance does not guarantee future results. Always conduct your own research before making investment decisions.

Coattail is not affiliated with, endorsed by, or sponsored by the U.S. Congress, any member of Congress, or any government agency. Coattail is an independent private company that aggregates publicly available government disclosure data for informational purposes only.
Market intelligence in your pocket.
Updated on
Sep 9, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Financial info and 4 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Bug fixes