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Upstream Bio shares owned by ProShare Advisors

Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by ProShare Advisors from 13F filings

Historical chart of ProShare Advisors investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

All positions including Upstream Bio held by ProShare Advisors consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Upstream Bio by ProShare Advisors

Quarter filed Position value Share count Share price at filing
2025-12-31 $227k 8.4k 27.15