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Upstream Bio shares owned by Walleye Trading Advisors

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

Historical chart of Walleye Trading Advisors investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

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

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Quarterly reported holdings in Upstream Bio by Walleye Trading Advisors

Quarter filed Position value Share count Share price at filing
2025-03-31 $61k 10k 6.12
2024-12-31 $164k 10k 16.44