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Castellum shares owned by Welch Group

Quarter-by-quarter ownership of Castellum (CTM) shares owned by Welch Group from 13F filings

Historical chart of Welch Group investment in Castellum

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All positions including Castellum held by Welch Group consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Castellum by Welch Group

Quarter filed Position value Share count Share price at filing
2025-12-31 $9.0k 10k 0.90