UPB — Upstream Bio, Inc.

Nasdaq · Health Care · Pharmaceuticals · CIK 2022626 ·
Last close
$8.21
Market Cap
$446.79M
52W High
$10.67
52W Low
$7.25
ADV30
558,186
Next earnings
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 trials for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps and chronic obstructive pulmonary disease and in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts.

Quarterly Fundamentals

Revenues vs Net Income (last 4 Q)

Assets vs Liabilities (last 4 Q)

PeriodRevenuesGrossProfit OpIncomeNetIncomeAssets CashLiabilities
Mar 2026 1,034,000 -43,615,000 -40,591,000 318,054,000 96,724,000 14,059,000
Dec 2025 668,000 -46,167,000 -42,459,000 353,772,000 101,578,000 14,001,000
Sep 2025 683,000 -37,834,000 -33,748,000 391,195,000 72,164,000 12,611,000
Jun 2025 937,000 -44,347,000 -39,966,000 420,521,000 45,458,000 11,778,000

Cashflow TTM (yfinance, fills SEC gap)

Operating CF
$-133,275,000
Investing CF
$-93,480,000
Financing CF
$2,441,000
CapEx
$-303,000
Dividends Paid
Buybacks
EPS Diluted TTM
$-2.66
As of
2026-05-10

Balance + Analyst (yfinance extras)

Retained Earnings
$-334,223,000
Inventory
Receivables
$2,321,000
ST Investments
$239,931,000
EBIT TTM
$-160,361,000
Pretax Income TTM
$-143,443,000
Interest Exp TTM
Analysts
7

Yahoo Snapshot (yfinance, live)

Total Revenue
$3,322,000
EBITDA
$-171,768,992
Free Cash Flow
$-90,310,872
Enterprise Value
$162,030,288
Total Cash
$294,579,008
Total Debt
$1,114,000
Shares Out
54,419,986
Trailing EPS
$-2.91
Book Value
$6.26
ROE
-41.8%
ROA
-27.8%
Div Yield

Annual Trend (SEC EDGAR, last 4y)

Revenues vs Net Income (last 4y)

FY endRevenuesOpIncome NetIncomeAssetsLiabilities EquityOCF
Dec 2025 2,854,000 -160,361,000 -143,443,000 353,772,000 14,001,000 -133,275,000
Dec 2024 2,370,000 -77,764,000 -62,806,000 481,719,000 11,867,000 -59,172,000
Dec 2023 2,380,000 -40,114,000 -20,537,000 117,198,000 240,324,000 -37,926,000
Dec 2022 1,212,000 -23,909,000 -23,868,000 18,478,000 124,633,000 -19,021,000

TTM Snapshot

Revenues TTM
NetIncome TTM
OpCashFlow TTM
Assets (Latest)
Forward EPS
$-3.02

Max Pain — expiry 2026-08-21 (volume-derived — Yahoo OI feed degraded)

max pain strike: $5.00 · spot: $8.21 · call volume: 142 · put volume: 15
Expected Move to 2026-08-21: ±$3.06 (37.27%) — implied range $5.15$11.27 · ATM straddle on $7.50 strike

Peers — same industry

TickerNameMarket CapLastDaily %
ADCT ADC Therapeutics SA $446.44M $3.51
CTNM Contineum Therapeutics, Inc. $448.32M $13.70
FBRX Forte Biosciences, Inc. $449.31M $21.94
FULC Fulcrum Therapeutics, Inc. $450.44M $6.76
SGMT Sagimet Biosciences Inc. $441.75M $7.22

News headlines (Yahoo Finance, 1h cache)

Upstream Bio Presents New Data from Phase 2 VIBRANT Trial of Verekitug Demonstrating Improvement in Asthma Symptom Control in Participants with CRSwNP and Comorbid Asthma at the ATS 2026 International
2026-05-18 15:30 · Yahoo
Upstream Bio, Inc. (UPB) Reports Q1 Loss, Beats Revenue Estimates
2026-05-13 12:20 · Yahoo
Upstream Bio Reports First Quarter 2026 Financial Results and Recent Business Highlights
2026-05-13 11:00 · Yahoo
Upstream Bio to Present New Data from Phase 2 VIBRANT Trial of Verekitug at the ATS 2026 International Conference
2026-04-17 11:00 · Yahoo
Wix downgraded, TripAdvisor upgraded: Wall Street's top analyst calls
2026-03-27 13:46 · Yahoo
Here Are Friday’s Top Wall Street Analyst Research Calls: Brown-Forman, Chord Energy, Emerson Electric, FuboTV, Genmab, Honeywell, Knight-Swift, Wix.Com, and More
2026-03-27 12:04 · Yahoo
Upstream Bio Highlights Phase 3 Development Strategy for Verekitug and Reports Fourth Quarter and Full Year 2025 Financial Results
2026-03-26 11:00 · Yahoo
Chronic Rhinosinusitis with Nasal Polyps Market Shows Strong Upward Momentum During the Forecast Period (2026-2036) as Demand for Advanced Therapies Rises | DelveInsight
2026-03-05 22:31 · Yahoo
Upstream Bio Presents Additional Analyses from the Phase 2 VIBRANT Trial of Verekitug in Chronic Rhinosinusitis with Nasal Polyps at 2026 AAAAI Annual Meeting
2026-03-01 14:45 · Yahoo
Upstream Bio to Present Additional Analyses from Phase 2 VIBRANT Trial in Chronic Rhinosinusitis with Nasal Polyps in Late-Breaking Session at AAAAI Annual Meeting 2026
2026-02-26 12:00 · Yahoo

Recent Insider Activity

No insider activity indexed for this ticker.