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Upstream Bio Valuation Multiples

Discover revenue and EBITDA valuation multiples for Upstream Bio and similar public comparables like Verastem, Medigen Vaccine Biologics, Zhejiang Shouxiangu, Aquestive Therapeutics and more.

Upstream Bio Overview

About Upstream Bio

Upstream Bio Inc is a clinical-stage biotechnology company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. It is developing verekitug, the known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin (TSLP), a cytokine that is a clinically validated driver of inflammatory response positioned upstream of multiple signaling cascades that affect a variety of immune-mediated diseases.


Founded

2021

HQ

United States

Employees

52

Financials (LTM)

Revenue: $2M
Net Income: ($155M)

EV

$171M

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Upstream Bio Financials

Upstream Bio reported last 12-month revenue of $2M.

In the same LTM period, Upstream Bio generated $2M in gross profit and had net loss of ($155M).

Revenue (LTM)


Upstream Bio P&L

In the most recent fiscal year, Upstream Bio reported revenue of $3M and EBITDA of ($160M).

Upstream Bio is unprofitable as of last fiscal year, with EBITDA margin of (5612%) and net margin of (5026%).

See analyst estimates for Upstream Bio
LTMLast FY202320242025202620272028
Revenue$2M$3M$2M$2M$3M
Gross Profit$2M$3M
Gross Margin100%100%
EBITDA($160M)($40M)($78M)($160M)
EBITDA Margin(5612%)(1683%)(3277%)(5612%)
EBIT Margin(6835%)(5619%)(1685%)(3281%)(5619%)
Net Profit($155M)($143M)($21M)($63M)($143M)
Net Margin(6272%)(5026%)(863%)(2650%)(5026%)

Financial data powered by Morningstar, Inc.

Upstream Bio Stock Performance

Upstream Bio has current market cap of $512M, and enterprise value of $171M.

Market Cap Evolution


Upstream Bio's stock price is $9.40.

Upstream Bio share price increased by 2.5% in the last 30 days, and by 1.8% in the last year.

Upstream Bio has an EPS (earnings per share) of $-2.64.

See more trading valuation data for Upstream Bio
EVMarket CapPrice 1DPrice 1MPrice 3MPrice 12MEPS
$171M$512M2.5%2.5%22.8%1.8%$-2.64

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Upstream Bio Valuation Multiples

Upstream Bio trades at 69.5x EV/Revenue multiple, and (1.1x) EV/EBITDA.

See NTM and 2027E valuation multiples for Upstream Bio

EV / Revenue (LTM)


Upstream Bio Financial Valuation Multiples

As of May 2, 2026, Upstream Bio has market cap of $512M and EV of $171M.

Upstream Bio has a P/E ratio of (3.3x).

LTMLast FY202320242025202620272028
EV/Revenue69.5x60.0x72.0x72.3x60.0x
EV/EBITDA(1.1x)(4.3x)(2.2x)(1.1x)
EV/EBIT(1.0x)(1.1x)(4.3x)(2.2x)(1.1x)
EV/Gross Profit69.5x60.0x
P/E(3.3x)(3.6x)(24.9x)(8.1x)(3.6x)
EV/FCF(1.3x)(4.5x)(2.9x)(1.3x)

Multiples above and below 250x are considered non-meaningful (n/m). Valuation data powered by FactSet, Inc. and Morningstar, Inc.

Verified Upstream Bio Valuation Multiples

Access all public comps and forward-looking valuation multiples like EV/Revenue in 2027, based on consensus analyst estimates. Powered by FactSet and Morningstar.

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Upstream Bio Margins & Growth Rates

Upstream Bio decreased revenue by 41% but net profit grew by 23% in the last fiscal year.

In the most recent fiscal year, Upstream Bio reported EBITDA margin of (5612%) and net margin of (5026%).

See estimated margins and future growth rates for Upstream Bio

Upstream Bio Margins

Last FY202420252026202720282029
Gross Margin100%100%
EBITDA Margin(5612%)(3277%)(5612%)
EBIT Margin(5619%)(3281%)(5619%)(10927%)
Net Margin(5026%)(2650%)(5026%)(10465%)
FCF Margin(4676%)(2518%)(4676%)

Upstream Bio Growth Rates

FY+1/FY23/2424/2525/2626/2727/2828/29
Revenue Growth(41%)(0%)20%(41%)
Gross Profit Growth(41%)
EBITDA Growth94%106%
EBIT Growth15%94%106%15%
Net Profit Growth23%206%128%23%
FCF Growth57%124%

Data powered by FactSet, Inc. and Morningstar, Inc.

Upstream Bio Operational KPIs

Upstream Bio's revenue per employee in the last FY averaged $0.1M, while opex per employee averaged $3.1M for the same period.

Access forward-looking KPIs for Upstream Bio
LTMLast FY202320242025202620272028
Revenue per Employee$0.1M
Opex per Employee$3.1M
G&A Expenses to Revenue316%925%449%724%925%
R&D Expenses to Revenue5891%4793%1336%2657%4793%
Opex to Revenue5719%1785%3381%5719%

Data powered by FactSet, Inc. and Morningstar, Inc.

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Upstream Bio Competitors

Upstream Bio competitors include Verastem, Medigen Vaccine Biologics, Zhejiang Shouxiangu, Aquestive Therapeutics, XOMA Royalty, Eikon Therapeutics, Zura Bio, Shattuck Labs, Immix Biopharma and Synmosa Biopharma.

Most Upstream Bio public comparables operate across Biopharmaceuticals and BioTech.

EV/RevenueEV/EBITDA
Last FYLTM2027ELast FYLTM2027E
Verastem12.5x6.5x(1.9x)
Medigen Vaccine Biologics24.0x21.3x(112.3x)(1490.6x)
Zhejiang Shouxiangu4.6x4.6x13.5x
Aquestive Therapeutics9.9x9.7x(8.9x)(9.9x)
XOMA Royalty10.6x9.5x11.5x37.1x
Eikon Therapeutics(1.5x)(1.3x)
Zura Bio(5.1x)
Shattuck Labs452.7x679.9x(9.5x)(8.6x)

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Upstream Bio Funding History

Before going public, Upstream Bio raised $408M in total equity funding, across 3 rounds.

Last private valuation of Upstream Bio was $676M, after raising $8M in February 2023 from HBM Partners.


Upstream Bio Funding Rounds

DateStageRaised FromRaisedValuationRev. MultipleDeal Summary
Jun-23Series BEnavate Sciences; Venrock Healthcare Capital Partners$200MUpstream Bio, a Waltham, Mass.-based clinical-stage biotech company, develops therapies targeting inflammation, with its lead candidate UPB-101 (later known as verekitug), a TLSPR-targeting monoclonal antibody, aimed at treating asthma and chronic rhinosinusitis with nasal polyps (CRSwNP). The company publicly launched in 2022 after securing a prior $200 million Series A and acquiring UPB-101 from Astellas Pharma in 2021. On June 8, 2023, Upstream announced a $200 million Series B financing round co-led by Enavate Sciences and Venrock Healthcare Capital Partners, with new investors Bain Capital Life Sciences and Wellington Management, plus existing Series A backers including OrbiMed, Access Biotechnology, Decheng Capital, Altshuler Shaham Provident Funds Ltd., TCG X, HBM Healthcare Investments, Omega Funds, and Samsara BioCapital. The Series B proceeds are designated to fund registrational Phase 2 studies of UPB-101 in asthma and CRSwNP, alongside translational research, manufacturing, and device development to prepare for Phase 3 trials. At the time, UPB-101 was in Phase 1b testing for asthma, where it demonstrated early promise in dosing research presented at an American Thoracic Society meeting. Upstream targets the large asthma market, affecting about 260 million people worldwide, including over 25 million in the U.S., positioning UPB-101 to address root causes of inflammatory responses. Enavate Sciences' Edd Fleming, MD, and Venrock Healthcare Capital Partners' Alex Rosen, MD, joined Upstream's board following the round. The financing occurred amid a challenging biotech funding environment in 2023, highlighting Upstream's strong positioning due to its management team, milestone progress, and differentiated product profile. Subsequent developments include Phase 2 VALIANT trial results in 2025 showing verekitug reduced asthma flare-ups by 56%, though stock dropped 47% post-data, and plans for registrational trials pending regulator feedback. Upstream went public via IPO, offering 15 million shares.
Feb-23Series AHBM Partners$8M$676MUpstream Bio is a clinical-stage biotech company focused on developing therapies to treat inflammatory diseases, with a lead program called UPB-101. The company acquired UPB-101 from Astellas Pharma in October 2021 and rapidly advanced the program from stealth mode to clinical development under CEO Samantha Truex. In June 2023, Upstream Bio completed a $200 million Series B financing round led jointly by Enavate Sciences and Venrock Healthcare Capital Partners, with post-money valuation of $676.16 million. The round included participation from new investors Bain Capital Life Sciences and Wellington Management, along with returning investors from Series A including HBM Healthcare Investments, OrbiMed, Access Biotechnology, Decheng Capital, Altshuler Shaham Provident Funds, TCG X, Omega Funds, and Samsara BioCapital. UPB-101 targets TSLPR and was being developed for Phase 2 trials in asthma and chronic rhinosinusitis with nasal polyps (CRSwNP), with the FDA clearing the IND to pursue both indications. The Series B funding was designated to support advancement of UPB-101 through Phase 2 development, with the company planning for a "swift transition to Phase 3 development." Upstream Bio subsequently completed an IPO on October 11, 2024, raising $255 million at an implied valuation of $1.1 billion on the NASDAQ under ticker UPB.
Jun-22Series AAccess Biotechnology; Altshuler Shaham; Decheng Capital; HBM Healthcare Investments; Maruho; Omega Funds; OrbiMed; Samsara BioCapital; TCG Crossover$200MUpstream Bio, a Waltham, Massachusetts-based biotechnology company, launched in 2022 focused on developing therapeutics for allergic and inflammatory diseases, including an antibody targeting thymic stromal lymphopoietin and its receptors for conditions like asthma. The company was formed around verekitug (formerly UBP-101), an experimental drug acquired from Astellas Pharma at an auction in October 2021, with initial development centered on severe asthma. Led by biotech veteran Samantha Truex as CEO at launch, Upstream began operations in stealth mode with a lean team of 13 people and raised $200 million in a Series A financing round closed around mid-2021 to early 2022, jointly led by OrbiMed and Japanese drugmaker Maruho, with participation from Access Biotechnology, Altshuler Shaham, Decheng Capital, HBM Healthcare Investments, Omega Funds, Samsara BioCapital, and TCG Crossover. Part of the proceeds funded the acquisition of the asset, with the remainder allocated to advancing clinical development and potentially acquiring additional inflammatory programs amid a challenging biotech market. The Series A provided significant upfront capital to propel Upstream from inception to Phase 2 trials in under three years, reflecting investor confidence in the asset and leadership despite a biotech downturn. By 2024, the company had grown to 38 employees and pursued further funding, including a $200 million Series B led by Enavate Sciences and Venrock Healthcare Capital Partners with OrbiMed and others, bringing total capital raised to approximately $400 million prior to its planned IPO filing. Clinical efforts included ongoing Phase 2 trials of verekitug in severe asthma and chronic rhinosinusitis with nasal polyps, with plans for Phase 3 studies and exploration into COPD. Upstream's leadership transitioned in April 2024 with Rand Sutherland, M.D., becoming CEO, bringing experience from Seeker Biologics and Translate Bio. The company received minor payments from Maruho ($0.8 million in 2022). Post-IPO market cap reached $1.18 billion, with OrbiMed increasing its stake via open-market purchases, though the firm remained unprofitable with negative P/E and price-to-book ratios.

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About Upstream Bio

When was Upstream Bio founded?Upstream Bio was founded in 2021.
Where is Upstream Bio headquartered?Upstream Bio is headquartered in United States.
How many employees does Upstream Bio have?As of today, Upstream Bio has over 52 employees.
Who is the CEO of Upstream Bio?Upstream Bio's CEO is Everett Rand Sutherland.
Is Upstream Bio publicly listed?Yes, Upstream Bio is a public company listed on Nasdaq.
What is the stock symbol of Upstream Bio?Upstream Bio trades under UPB ticker.
When did Upstream Bio go public?Upstream Bio went public in 2024.
Who are competitors of Upstream Bio?Upstream Bio main competitors include Verastem, Medigen Vaccine Biologics, Zhejiang Shouxiangu, Aquestive Therapeutics, XOMA Royalty, Eikon Therapeutics, Zura Bio, Shattuck Labs, Immix Biopharma, Synmosa Biopharma.
What is the current market cap of Upstream Bio?Upstream Bio's current market cap is $512M.
What is the current revenue of Upstream Bio?Upstream Bio's last 12 months revenue is $2M.
What is the current revenue growth of Upstream Bio?Upstream Bio revenue growth (NTM/LTM) is (26%).
What is the current EV/Revenue multiple of Upstream Bio?Current revenue multiple of Upstream Bio is 69.5x.
Is Upstream Bio profitable?No, Upstream Bio is not profitable.
What is the current net income of Upstream Bio?Upstream Bio's last 12 months net income is ($155M).
How many companies Upstream Bio has acquired to date?Upstream Bio hasn't acquired any companies yet (or none have been disclosed publicly).
In how many companies Upstream Bio has invested to date?Upstream Bio hasn't invested in any companies yet (or none have been disclosed publicly).

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