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Overlap Matrix Compare filer portfolios side by side
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Short interest & flow

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

Ownership & fundamentals

Insider Sentiment Largest Buybacks Going-Concern Flags

Institutions 13F filings, portfolios & smart money

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 Insiders, funds, macro, IPOs & Congress

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John Lewton

John Lewton

Analyst

Analyst — Claims Done Right

Earnings-call appearances

Earnings conference call (announced in 8-K)
Castellum, Inc. (CTM)

2026-08-07

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