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Upstream Bio shares owned by Charles Schwab Investment Management

Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Charles Schwab Investment Management from 13F filings

Historical chart of Charles Schwab Investment Management investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

All positions including Upstream Bio held by Charles Schwab Investment Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Upstream Bio by Charles Schwab Investment Management

Quarter filed Position value Share count Share price at filing
2025-09-30 $5.4M 285k 18.81
2025-06-30 $2.0M 178k 10.98
2025-03-31 $809k 132k 6.12
2024-12-31 $2.2M 135k 16.44