SFM
UPB

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

Soros Fund 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
-46,350
Closed -$762K – 252
2024
Q4 		$762K Buy
+46,350
New +$762K 0.01% 168