Marshall Wace’s Upstream Bio, Inc. Common Stock UPB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$3.19M Sell
290,526
-14,437
-5% -$159K ﹤0.01% 1243
2025
Q1
$1.87M Buy
304,963
+14,229
+5% +$87.1K ﹤0.01% 1403
2024
Q4
$4.78M Buy
+290,734
New +$4.78M 0.01% 999