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Shareholding
Upstream Bio Inc.
Upstream Bio Inc. Ownership
Historical shareholding details of Nantahala Capital Management, LLC holdings in Upstream Bio Inc. (UPB)
Monthly changes of Nantahala Capital Management, LLC shareholding in Upstream Bio Inc. over the previous months
Month
Name
Total no. shares held
Percent Holding
Mar 31, 2025
Nantahala Capital Management, Llc
594,971
1.11%
Dec 31, 2024
Nantahala Capital Management, Llc
600,000
1.12%
View all ownership details of Upstream Bio Inc.