Millennium Management
UPB

Millennium Management’s Upstream Bio, Inc. Common Stock UPB Stock Holding History

Millennium Management’s Portfolio UPB Stock Details UPB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-61,796
Closed -$378K – 4521
2025
Q1 		$378K Buy
+61,796
New +$378K ﹤0.01% 3403