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UPB US Equity

Upstream Bio, Inc.Health Care · Pharmaceutical Preparations · CIK 2022626 · FY ends Dec 31
$6.85
-0.29 (-4.06%)
USD · as of 2026-08-18 · marketstack
6 registered studies · 2 active

Studies where UPB is the lead sponsor, as filed with ClinicalTrials.gov. Completion dates are the sponsor's own projected windows and are revised as a study runs. Active studies first, then completed and stopped — newest readout first within each.

6 interventional · 2 with posted results

Held by 12 tracked-famous managers (MILLENNIUM MANAGEMENT LLC, D. E. Shaw & Co., Inc., Qube Research & Technologies Ltd, AQR CAPITAL MANAGEMENT LLC, Point72 Asset Management, L.P., +7 more) · FINRA short interest 7.5 days to cover (settled 2026-07-31) · insider 90d: 0 buys / 5 sells · government filings 180d: none disclosed

StudyPhaseStatusInterventionsConditionsEnrollmentPrimary completionReadout inUpdated
A Study to Assess the Efficacy and Safety of Verekitug in Participants With COPDNCT06981078Annualized rate of moderate or severe COPD exacerbation eventsRandomized · Quadruple-masked · TreatmentPhase 2Active, not recruitingDrug: Verekitug · Other: PlaceboChronic Obstructive Pulmonary Disease666Oct 2027≤ 438 d2026-07-20
A Long-Term Safety and Efficacy Study of Verekitug (UPB-101) in Adult Participants With Severe Asthma (VALOUR)NCT06966479Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)Randomized · Quadruple-masked · TreatmentPhase 2Active, not recruitingDrug: Verekitug, PlaceboSevere Asthma396Sep 2027≤ 407 d2026-05-14
A Study to Investigate the Efficacy and Safety of Verekitug (UPB-101) in Adult Participants With Severe Asthma (VALIANT)NCT06196879Annual Asthma Exacerbation Rate (AAER)Randomized · Quadruple-masked · TreatmentPhase 2CompletedDrug: Verekitug (UPB-101), PlaceboSevere Asthma4792025-12-16actual2026-05-01
A Study to Investigate the Efficacy and Safety of Verekitug (UPB-101) in Participants With Chronic Rhinosinusitis With Nasal PolypsNCT06164704Change From Baseline in Nasal Polyp Score (NPS) at Week 24Randomized · Quadruple-masked · TreatmentPhase 2CompletedDrug: Verekitug (UPB-101), PlaceboChronic Rhinosinusitis With Nasal Polyps812025-07-07actual2025-08-15
Safety and Biologic Impact (Pharmacodynamics) of Repeated Injections and Increasing Amounts of UPB-101 in AsthmaticsNCT05448651results2025-01-03Number of Treatment-emergent Adverse Events and Serious Adverse EventsRandomized · Quadruple-masked · TreatmentStudy Protocol · Statistical Analysis PlanPhase 1CompletedDrug: UPB-101, PlaceboAsthma322023-08-15actual2025-01-03
Safety and Blood Levels After a Single Injection of UPB-101 in Healthy Japanese and Non-Japanese Non-East Asian AdultsNCT05653479results2024-09-03Maximum Observed Concentration (Cmax) of UPB-101Randomized · Open-label · TreatmentStudy Protocol · Statistical Analysis PlanPhase 1CompletedDrug: UPB-101Healthy322023-04-07actual2024-09-03

Primary completion is the date the sponsor filed with the registry — their own projection, revised whenever they revise it, unless the row is marked actual.

Source: ClinicalTrials.gov, retrieved 2026-08-19