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UPSTREAM BIO INC (UPB) Stock Ownership and Short Interest

USA - NASDAQ:UPB - US91678A1079 - Common Stock

24.19 USD
-0.65 (-2.62%)
Last: 10/29/2025, 8:03:59 PM
24.19 USD
0 (0%)
After Hours: 10/29/2025, 8:03:59 PM
UPB Ownership Chart.UPB Ownership Chart: showing Insider, Institutional ownership and shares available to the public.UPB Ownership.InsiderInstitutionalPublic



Shares Outstanding53.91M
Float40.23M
Float Short Interest Percentage8.29%
Owners (insider)0.05%
Owners (institutional)79.85%
Owners (insider) change0%
Owners (institutional) change0%
UPB Institutional Ownership HistoryUPB Institutional Ownership HistoryUPB Institutional Ownership History Dec 2024 Mar 2025 Jun 2025 Sep 2025 10M 20M 30M 40M

No transactions were filed in the last 12 months.