NCM
UPB

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

Nantahala 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
Q2 		$6.53M Hold
594,971
– – 0.26% 61
2025
Q1 		$3.64M Sell
594,971
-5,029
-0.8% -$30.8K 0.14% 76
2024
Q4 		$9.86M Buy
+600,000
New +$9.86M 0.42% 41