ACM
UPB

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

Aster Capital 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
Q1 		– Sell
-134
Closed -$2.2K – 1740
2024
Q4 		$2.2K Buy
+134
New +$2.2K ﹤0.01% 962