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Short interest & flow

Most Shorted Highest short interest
Squeeze Risk Composite short-squeeze score
Largest Short Volume Daily short-volume leaders
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Ownership & fundamentals

Insider Sentiment Where insiders are accumulating most
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Going-Concern Flags Companies disclosing going-concern doubt

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Filers & Rankings

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Top by AUM Largest filers by assets
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Overlap Matrix Compare filer portfolios side by side
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Beneficial Ownership Recent 13D / 13G >5% stakes

13F Activity

13F Statistics Aggregate filing statistics
Latest Filings Newest 13F submissions
13F Trends Sector and flow trends
Double-Down Report Increased-conviction buys
Conviction Heat Map Crowded positions at a glance

Markets

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Funds & ETFs Registered funds and ETFs from Form NPORT-P
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Congress Leaderboard Members ranked by portfolio performance

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Stocks

AI Stock Screener ALVIS

Short interest & flow

Most Shorted Squeeze Risk Largest Short Volume Highest Off-Exchange Share

Ownership & fundamentals

Insider Sentiment Largest Buybacks Going-Concern Flags

Institutions

Filers & Rankings

Browse Filers Top by AUM Smart Money Index Superinvestors AUM Movers Most-Held Stocks Last Quarter's Movers Overlap Matrix Clone Backtest Beneficial Ownership

13F Activity

13F Statistics Latest Filings 13F Trends Double-Down Report Conviction Heat Map

Markets

Insider Trading Funds & ETFs Investment Advisers Economic Data Economic Calendar FDA Calendar Congress Net Worth Congress Leaderboard

Stocks
AMPG
8-K

8-K

AmpliTech Group, Inc. (AMPG)

8-K 2025-03-24 For: 2025-03-21

Added on April 11, 2026

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