Marshall Wace »

Upstream Bio shares owned by Marshall Wace

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

Historical chart of Marshall Wace investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

All positions including Upstream Bio held by Marshall Wace 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 Marshall Wace

Quarter filed Position value Share count Share price at filing
2025-09-30 $16M 868k 18.81
2025-06-30 $3.2M 291k 10.98
2025-03-31 $1.9M 305k 6.12
2024-12-31 $4.8M 291k 16.44