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UPB
Upstream Bio, Inc.
7.28
2 x 5.33
2 x 8.83
bid
ask
+
0.36
5.20%
2 @ 04:00 PM
7.33 +0.05 (0.69%)
Ytd-73.19%
1y-34.59%
6.81
day range
7.42
5.85
52 week range
33.68
Open6.90Prev Close6.92Low6.81High7.42Mkt Cap396.18M
Vol548.44KAvg Vol606.57KEPS-2.90P/EN/AForward P/E-2.45
BetaN/AShort Ratio2.45Inst. Own94.73%DividendN/ADiv YieldN/A
Ex Div DateN/AEarning08-0550-d Avg7.95200-d Avg17.101yr Est47.86
Earning
DateForEstimateReportedSurprisesurprise %
2026-03-112025-120N/AN/AN/A
2025-11-052025-090N/A0.1519.23%
2025-08-062025-060N/AN/AN/A
2025-08-062025-060N/A-0.13-21.31%
2025-05-062025-030N/A-0.02-4.08%
2025-05-062025-030N/AN/AN/A
Upgrade / Downgrade
DateFirmActionFromTo
2026-03-27Evercore ISI GroupDowngradeOutperformIn-Line
2025-12-18MizuhoUpgradeOutperform
2025-12-02LifeSci CapitalUpgradeOutperform
2025-11-18Evercore ISI GroupUpgradeOutperform
2025-10-14Truist SecuritiesUpgradeBuy
2024-11-05JP MorganUpgradeOverweight
Profile
Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. It offers verekitug, which is in Phase 2 clinical development for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps, and in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts.
Insider Holder
DateNameRelationQuantityDescription
2024-10-14AI UPSTREAM LLCBeneficial Owner of more than 10% of a Class of Security0.00Conversion of Exercise of derivative security
2026-03-15AMBROSE ALLISONGeneral Counsel16.52KSale
2024-10-14CHIMOVITS EREZDirector and Beneficial Owner of more than 10% of a Class of Security0.00Conversion of Exercise of derivative security
2026-03-15DEYKIN AARON M.D.Officer32.69KSale
2026-03-15GRAY MICHAEL PChief Operating Officer29.65KSale
2026-03-15HOUGHTON ADAMOfficer24.30KSale
Institution Ownership
Report DateOrganizationPositionValuePercentage
2025-12-30FMR, LLC7.52M65.18M13.91%
2025-12-30Orbimed Advisors LLC.5.69M49.36M10.54%
2025-12-30Blackrock Inc.3.34M29.00M6.19%
2025-12-30Decheng Capital LLC3.14M27.25M5.82%
2025-12-30NORGES BANK2.88M24.99M5.33%
2025-12-30Enavate Sciences Gp, LLC 2.46M21.33M4.55%
Fund Ownership
Report DateOrganizationPositionValuePercentage
2025-12-30VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund1.44M12.51M2.67%
2025-12-30Fidelity Securities Fund-Fidelity Small Cap Growth Fund1.37M11.89M2.54%
2026-01-30Fidelity Select Portfolios-Select Health Care Portfolio800.00K6.94M1.48%
2026-01-30iShares Trust-iShares Russell 2000 ETF780.26K6.76M1.44%
2026-01-30Fidelity Advisor Series VII-Fidelity Advisor Biotechnology Fund691.00K5.99M1.28%
2025-12-30Fidelity Securities Fund-Fidelity Small Cap Growth K6 Fund682.02K5.91M1.26%