Upstream Bio (UPB) Institutional Ownership $8.87 -1.06 (-10.67%) Closing price 02/4/2025 04:00 PM EasternExtended Trading$6.77 -2.10 (-23.66%) As of 07:34 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsTrends Institutional Ownership Changes (13F Filings) for Upstream Bio (NASDAQ:UPB)Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$2.11MNumber ofInstitutional Sellers(last 12 months)0 Get UPB Insider Trade Alerts Want to know when executives and insiders are buying or selling Upstream Bio stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Upstream Bio Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/4/2025Bank of New York Mellon Corp36,913$607K0.0%N/A0.069% 1/30/2025 Rhumbline Advisers16,721$275K0.0%N/A0.031% 1/23/2025 Moody Aldrich Partners LLC74,773$1.23M0.2%N/A0.140% (Data available from 1/1/2016 forward) UPB Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of UPB shares? During the previous two years, the following institutional investors and hedge funds held shares of Upstream Bio shares: Moody Aldrich Partners LLC ($1.23M), and Bank of New York Mellon Corp ($607K), Rhumbline Advisers ($275K).Learn more on UPB's institutional investors. Which institutional investors have been buying Upstream Bio stock? The following institutional investors have purchased Upstream Bio stock in the last 24 months: Moody Aldrich Partners LLC ($74.77K), Bank of New York Mellon Corp ($36.91K), and Rhumbline Advisers ($16.72K). How much institutional buying is happening at Upstream Bio? Institutional investors have bought a total of 128,407 shares in the last 24 months. This purchase volume represents approximately $2.11M in transactions. Related Companies IDYA Major Shareholders AGIO Major Shareholders WVE Major Shareholders GERN Major Shareholders AMPH Major Shareholders BLTE Major Shareholders SDGR Major Shareholders IRON Major Shareholders MNKD Major Shareholders ARQT Major Shareholders This page (NASDAQ:UPB) was last updated on 2/5/2025 by MarketBeat.com Staff From Our PartnersNVDA Crash UpdateAn overseas AI rival sent shockwaves through the U.S. tech market last week... 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