Vanguard Asset Management »

Upstream Bio shares owned by Vanguard Asset Management

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

Historical chart of Vanguard Asset Management investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

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

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Upstream Bio by Vanguard Asset Management

Quarter filed Position value Share count Share price at filing
2026-03-31 $83k 9.3k 9.00