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Upstream Bio shares owned by Rafferty Asset Management

Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Rafferty Asset Management from 13F filings

Historical chart of Rafferty Asset Management investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

All positions including Upstream Bio held by Rafferty Asset Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Upstream Bio by Rafferty Asset Management

Quarter filed Position value Share count Share price at filing
2025-09-30 $649k 35k 18.81