Upstream Bio, Inc.

UBS Group AG UPB
Report date
12/31/2025
Quarter
2025 Q4
Filed
1/29/2026
Shares
1,806,243
Value ($000)
49,039
Weight
0.0%
2024 Q4 - 2025 Q4 (5 filings)
Shares History
History scope: non-option holdings only (PUT/CALL rows excluded).