Upstream Bio shares owned by Citadel Advisors
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Citadel Advisors
from 13F filings
Historical chart of Citadel Advisors investment in Upstream Bio
Tip: Access up to 7 years of quarterly data
All positions including Upstream Bio held by Citadel Advisors consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Upstream Bio by Citadel Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $888k | 47k | 18.81 |
| 2024-12-31 | $3.0M | 180k | 16.44 |