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Castle Biosciences shares owned by Rossby Financial, LCC

Quarter-by-quarter ownership of Castle Biosciences (CSTL) shares owned by Rossby Financial, LCC from 13F filings

Historical chart of Rossby Financial, LCC investment in Castle Biosciences

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All positions including Castle Biosciences held by Rossby Financial, LCC consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Castle Biosciences by Rossby Financial, LCC

Quarter filed Position value Share count Share price at filing
2026-06-30 $10k 429 23.85
2026-03-31 $11k 429 25.05
2025-12-31 $17k 429 38.90
2025-09-30 $8.8k 382 23.02
2025-06-30 $2.9k 142 20.42
2025-03-31 $2.9k 142 20.63

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