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Spero Therapeutics Valuation Multiples

Discover revenue and EBITDA valuation multiples for Spero Therapeutics and similar public comparables like TuHURA Biosciences, Oramed Pharmaceuticals, Heron Therapeutics, Hyloris Pharmaceuticals and more.

Spero Therapeutics Overview

About Spero Therapeutics

Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing, and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The company's product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. Besides, it is also focused on SPR206, a next-generation polymyxin investigational product candidate being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.


Founded

2013

HQ

United States

Employees

32

Financials (LTM)

Revenue: $67M
Net Income: $9M

EV

$106M

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Spero Therapeutics Financials

Spero Therapeutics reported last 12-month revenue of $67M.

In the same LTM period, Spero Therapeutics generated $9M in net income.

Revenue (LTM)


Spero Therapeutics P&L

In the most recent fiscal year, Spero Therapeutics reported revenue of $67M and EBITDA of $7M.

Spero Therapeutics is profitable as of last fiscal year, with EBITDA margin of 11% and net margin of 13%.

See analyst estimates for Spero Therapeutics
LTMLast FY202320242025202620272028
Revenue$67M$67M$97M$27M$60M
EBITDA$7M$26M($72M)$7M
EBITDA Margin11%27%(265%)12%
EBIT Margin11%28%(265%)12%
Net Profit$9M$9M$23M($69M)$9M
Net Margin13%13%24%(250%)14%

Financial data powered by Morningstar, Inc.

Spero Therapeutics Stock Performance

Spero Therapeutics has current market cap of $160M, and enterprise value of $106M.

Market Cap Evolution


Spero Therapeutics' stock price is $2.76.

Spero Therapeutics share price increased by 9.7% in the last 30 days, and by 10.4% in the last year.

Spero Therapeutics has an EPS (earnings per share) of $0.15.

See more trading valuation data for Spero Therapeutics
EVMarket CapPrice 1DPrice 1MPrice 3MPrice 12MEPS
$106M$160M0.0%9.7%27.2%10.4%$0.15

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Spero Therapeutics Valuation Multiples

Spero Therapeutics trades at 1.6x EV/Revenue multiple, and 14.8x EV/EBITDA.

See NTM and 2027E valuation multiples for Spero Therapeutics

EV / Revenue (LTM)


Spero Therapeutics Financial Valuation Multiples

As of May 26, 2026, Spero Therapeutics has market cap of $160M and EV of $106M.

Spero Therapeutics has a P/E ratio of 18.6x.

LTMLast FY202320242025202620272028
EV/Revenue1.6x1.6x1.1x3.9x1.8x
EV/EBITDA14.8x4.1x(1.5x)14.8x
EV/EBIT14.8x4.0x(1.5x)14.8x
P/E18.6x18.6x7.0x(2.3x)18.6x
EV/FCF(8.4x)(3.2x)(4.5x)(8.4x)

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

Verified Spero Therapeutics 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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Spero Therapeutics Margins & Growth Rates

In the most recent fiscal year, Spero Therapeutics reported EBITDA margin of 11% and net margin of 13%.

See estimated margins and future growth rates for Spero Therapeutics

Spero Therapeutics Margins

Last FY20242025202720282029
EBITDA Margin11%(265%)12%
EBIT Margin11%(265%)12%
Net Margin13%(250%)14%
FCF Margin(19%)(86%)(21%)

Spero Therapeutics Growth Rates

23/2424/2526/2727/2828/29
Revenue Growth(72%)118%
EBITDA Growth(381%)(110%)
EBIT Growth(371%)(110%)
Net Profit Growth(401%)(113%)
FCF Growth(29%)(46%)

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

Spero Therapeutics Operational KPIs

Spero Therapeutics' revenue per employee in the last FY averaged $2.1M, while opex per employee averaged $1.6M for the same period.

Access forward-looking KPIs for Spero Therapeutics
Last FY202320242025202620272028
Revenue per Employee$2.1M
Opex per Employee$1.6M
G&A Expenses to Revenue32%26%87%36%
R&D Expenses to Revenue58%53%353%65%
Opex to Revenue79%72%365%88%

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

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Spero Therapeutics Competitors

Spero Therapeutics competitors include TuHURA Biosciences, Oramed Pharmaceuticals, Heron Therapeutics, Hyloris Pharmaceuticals, ProQR Therapeutics, Karolinska Development, Journey Medical, Orthocell, Guerbet and Galectin Therapeutics.

Most Spero Therapeutics public comparables operate across Biopharmaceuticals and BioTech.

EV/RevenueEV/EBITDA
Last FYLTM2027ELast FYLTM2027E
TuHURA Biosciences(5.2x)
Oramed Pharmaceuticals48.2x48.2x1.3x
Heron Therapeutics1.7x1.6x17.7x17.7x
Hyloris Pharmaceuticals12.6x7.8x(21.5x)(11.0x)
ProQR Therapeutics4.7x4.2x(1.9x)(2.6x)
Karolinska Development
Journey Medical2.6x2.3x56.3x25.9x
Orthocell20.6x13.9x(23.7x)(15.3x)

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Spero Therapeutics Funding History

Before going public, Spero Therapeutics raised $115M in total equity funding, across 4 rounds.


Spero Therapeutics Funding Rounds

DateStageRaised FromRaisedValuationRev. MultipleDeal Summary
Mar-17Series CAtlas Venture; GV; Lundbeckfonden Ventures; MRL Ventures Fund; OUP (Osage University Partners); RA Capital Management; Rock Springs Capital; SR One; The Kraft Group$52MSpero Therapeutics is a clinical-stage biopharmaceutical company focused on identifying, developing, and commercializing novel treatments for multidrug-resistant bacterial infections and rare diseases. Founded in 2015 by Dr. Ankit Mahadevia and Dr. Paula Soteropoulos, the company pursued a financing strategy that included a $30 million Series A round from Atlas Venture, SR One, and Partners Innovation Fund in 2016, followed by a $51.7 million Series B/C financing led by new investor GV (formerly Google Ventures) with participation from existing investors. In 2017, Spero acquired exclusive worldwide rights to the antibiotic SPR720 from Vertex Pharmaceuticals, strengthening its clinical pipeline. The company went public on November 2, 2017, on the Nasdaq under ticker SPRO at an IPO price of $14.00 per share (5,500,000 shares offered with an additional 825,000 shares available to underwriters). As a clinical-stage company at the time of funding, Spero had not yet generated significant revenue. The company has since announced positive Phase 3 trial results for tebipenem HBr in complicated urinary tract infections and established strategic partnerships with major pharmaceutical companies including GSK in deals valued at over $600 million.
Feb-16Series BAtlas Venture; GSK; Lundbeckfonden Ventures; MRL Ventures Fund; OUP (Osage University Partners); Partners Innovation Fund; SR One; The Kraft Group$30MSpero Therapeutics, a Cambridge, MA-based biotech company focused on developing anti-infectives to combat drug-resistant superbugs, raised $30 million in a Series B preferred financing round on February 2, 2016, led by Atlas Venture with participation from SR One (GlaxoSmithKline's venture arm), Merck Research Ventures (MRL Ventures Fund), Lundbeckfonden Ventures, The Kraft Group, and Partners Innovation Fund. This followed their initial $30 million Series A eight months earlier, bringing all original investors back. The funds supported expansion into clinical development, growing the team to 20 employees, advancing platform technology, and building a pipeline from hospital to community settings, with cash runway into late 2017. Spero, named a 2014 Fierce 15 company, leverages incentives for antibiotic development amid rising superbug threats and legislative support in the U.S. and Europe. The company had partnered early with Roche on one program and tracks increased R&D involvement from big pharma like Roche and Merck. CEO Ankit Mahadevia noted accelerated growth since the Series A, positioning Spero differently for clinical-stage advancement. Later rounds included a $51.7 million Series C in 2018 led by GV with Atlas Venture and others participating.
Jun-15Series AAtlas Venture; GSK; Lundbeckfonden Ventures; Merck Capital Ventures; New England Patriots; Partners Innovation Fund; SR One; The Kraft Group$30MSpero Therapeutics is a clinical-stage biopharmaceutical company focused on developing treatments for multi-drug resistant bacterial infections. The company is headquartered in Cambridge, Massachusetts, employs around 28-32 people, and trades under NASDAQ: SPRO with a recent market cap of about $126.90M. In 2015, the company participated in a Series A funding round of $33M. Subsequent rounds included Series B $30M in 2016 and Series C $51.7M in 2017, with total funding reaching $306.6M across seven rounds, including a recent $125M. Financial reports indicate Spero Therapeutics had $0 revenue for the fiscal year ending December 31, 2015, consistent with its early-stage status prior to significant product commercialization. Later years show revenue growth, such as $335k in 2016, $1.98M in 2017, and scaling to $47.98M in 2024, primarily from business activities like product sales.
Apr-14Series AAtlas Peak Capital; Atlas Venture; Partners Innovation Fund; SR One$3M

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About Spero Therapeutics

When was Spero Therapeutics founded?Spero Therapeutics was founded in 2013.
Where is Spero Therapeutics headquartered?Spero Therapeutics is headquartered in United States.
How many employees does Spero Therapeutics have?As of today, Spero Therapeutics has over 32 employees.
Who is the CEO of Spero Therapeutics?Spero Therapeutics' CEO is Esther Rajavelu.
Is Spero Therapeutics publicly listed?Yes, Spero Therapeutics is a public company listed on Nasdaq.
What is the stock symbol of Spero Therapeutics?Spero Therapeutics trades under SPRO ticker.
When did Spero Therapeutics go public?Spero Therapeutics went public in 2017.
Who are competitors of Spero Therapeutics?Spero Therapeutics main competitors include TuHURA Biosciences, Oramed Pharmaceuticals, Heron Therapeutics, Hyloris Pharmaceuticals, ProQR Therapeutics, Karolinska Development, Journey Medical, Orthocell, Guerbet, Galectin Therapeutics.
What is the current market cap of Spero Therapeutics?Spero Therapeutics' current market cap is $160M.
What is the current revenue of Spero Therapeutics?Spero Therapeutics' last 12 months revenue is $67M.
What is the current EV/Revenue multiple of Spero Therapeutics?Current revenue multiple of Spero Therapeutics is 1.6x.
Is Spero Therapeutics profitable?Yes, Spero Therapeutics is net-income-positive (as of the last 12 months).
What is the current net income of Spero Therapeutics?Spero Therapeutics' last 12 months net income is $9M.
How many companies Spero Therapeutics has acquired to date?Spero Therapeutics hasn't acquired any companies yet (or none have been disclosed publicly).
In how many companies Spero Therapeutics has invested to date?Spero Therapeutics hasn't invested in any companies yet (or none have been disclosed publicly).

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