Upstream Bio Announces Addition to Russell 2000® Index

WALTHAM, Mass., Dec. 16, 2024 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders, today announced that the Company will be added to the Russell 2000® index as part of the planned fourth quarter initial public offering (IPO) additions effective at the open of the U.S. equity markets on December 23, 2024.  

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