Wellington Management Group
UPB

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

Wellington Management Group’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 		$13.5M Sell
1,225,295
-88,162
-7% -$968K ﹤0.01% 1112
2025
Q1 		$8.03M Sell
1,313,457
-269,697
-17% -$1.65M ﹤0.01% 1258
2024
Q4 		$25.6M Buy
+1,583,154
New +$25.6M ﹤0.01% 895