Logo image of SPRO

SPERO THERAPEUTICS INC (SPRO) Stock Price, Quote, News and Overview

NASDAQ:SPRO - Nasdaq - US84833T1034 - Common Stock - Currency: USD

2.5  +0.37 (+17.37%)

Premarket: 2.46 -0.04 (-1.6%)

SPRO Quote, Performance and Key Statistics

SPERO THERAPEUTICS INC

NASDAQ:SPRO (5/30/2025, 8:00:02 PM)

Premarket: 2.46 -0.04 (-1.6%)

2.5

+0.37 (+17.37%)

Sector
GICS SectorHealth Care
GICS IndustryBiotechnology
GICS IndustryGroupPharmaceuticals, Biotechnology & Life Sciences
GICS SubIndustryBiotechnology
Statistics
52 Week High2.8
52 Week Low0.51
Market Cap139.78M
Shares55.91M
Float42.31M
Yearly DividendN/A
Dividend YieldN/A
PEN/A
Fwd PEN/A
Earnings (Next)08-04 2025-08-04/amc
IPO11-02 2017-11-02


SPRO short term performance overview.The bars show the price performance of SPRO in the last week, last 2 weeks, last month, last 3 and 6 months. 1 week 2 week 1 month 3 months 6 months 50 100 150 200 250

SPRO long term performance overview.The bars show the price performance of SPRO in the last 1, 2 and 3 years. 1 year 2 years 3 years 20 40 60 80 100

The current stock price of SPRO is 2.5 USD. In the past month the price increased by 278.79%. In the past year, price increased by 76.06%.

SPERO THERAPEUTICS INC / SPRO Daily stock chart

SPRO Competitors/Peers

The largest stocks on the US markets in the "Biotechnology" sub-industry
Full List
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TA
FA
PE
Market Cap
ABBV ABBVIE INC 18.12 328.74B
AMGN AMGEN INC 13.88 154.96B
GILD GILEAD SCIENCES INC 14.22 136.93B
VRTX VERTEX PHARMACEUTICALS INC N/A 113.52B
REGN REGENERON PHARMACEUTICALS 11.06 52.94B
ALNY ALNYLAM PHARMACEUTICALS INC N/A 39.71B
ARGX ARGENX SE - ADR 99.7 35.00B
ONC BEONE MEDICINES LTD-ADR 6.29 26.55B
BNTX BIONTECH SE-ADR N/A 23.03B
NTRA NATERA INC N/A 21.54B
BIIB BIOGEN INC 8.2 19.02B
UTHR UNITED THERAPEUTICS CORP 12.72 14.38B

About SPRO

Company Profile

SPRO logo image Spero Therapeutics, Inc. is a clinical-stage biopharmaceutical company, which focuses on identifying, developing, and commercializing treatments involving bacterial infections, including multi-drug resistant bacterial infections, and rare diseases Its pipeline product candidates include Tebipenem HBr, SPR720, and SPR206. The company is headquartered in Cambridge, Massachusetts and currently employs 32 full-time employees. The company went IPO on 2017-11-02. The firm is focused on identifying and developing novel treatments for rare diseases and diseases caused by multi-drug resistant (MDR) bacterial infections with unmet need. Its product candidate SPR720 is an investigational, chemically stable phosphate ester prodrug that is converted in vivo to SPR719 for the treatment of nontuberculous mycobacterial (NTM) pulmonary disease. Its clinical stage product candidate, tebipenem HBr is an investigational oral carbapenem antibiotic being developed for the treatment of complicated urinary tract infections (cUTIs) including acute pyelonephritis (AP) to help patients potentially reduce duration of in-patient therapy.

Company Info

SPERO THERAPEUTICS INC

675 Massachusetts Ave Ste 14

Cambridge MASSACHUSETTS 02139 US

CEO: Ankit Mahadevia

Employees: 32

SPRO Company Website

SPRO Investor Relations

Phone: 18572421600

SPERO THERAPEUTICS INC / SPRO FAQ

What is the stock price of SPERO THERAPEUTICS INC today?

The current stock price of SPRO is 2.5 USD. The price increased by 17.37% in the last trading session.


What is the ticker symbol for SPERO THERAPEUTICS INC stock?

The exchange symbol of SPERO THERAPEUTICS INC is SPRO and it is listed on the Nasdaq exchange.


On which exchange is SPRO stock listed?

SPRO stock is listed on the Nasdaq exchange.


What is the price forecast or stock price prediction for SPERO THERAPEUTICS INC stock?

9 analysts have analysed SPRO and the average price target is 5.1 USD. This implies a price increase of 104% is expected in the next year compared to the current price of 2.5. Check the SPERO THERAPEUTICS INC stock analysts ratings, price target forecast and up-and down grades for more detailed information.


What is SPERO THERAPEUTICS INC worth?

SPERO THERAPEUTICS INC (SPRO) has a market capitalization of 139.78M USD. This makes SPRO a Micro Cap stock.


How many employees does SPERO THERAPEUTICS INC have?

SPERO THERAPEUTICS INC (SPRO) currently has 32 employees.


Is SPERO THERAPEUTICS INC (SPRO) expected to grow?

The Revenue of SPERO THERAPEUTICS INC (SPRO) is expected to decline by -100% in the next year. Check the estimates tab for more information on the SPRO EPS, Sales, EBIT and EBITDA future analyst estimates.


Should I buy SPERO THERAPEUTICS INC (SPRO) stock?

There is no straightforward answer here. It depends on your investment strategy as different types of investors will look at different aspects. In any case it is important to make an informed decision and these pages can help you forming an opinion:


Does SPERO THERAPEUTICS INC (SPRO) stock pay dividends?

SPRO does not pay a dividend.


When does SPERO THERAPEUTICS INC (SPRO) report earnings?

SPERO THERAPEUTICS INC (SPRO) will report earnings on 2025-08-04, after the market close.


What is the Price/Earnings (PE) ratio of SPERO THERAPEUTICS INC (SPRO)?

SPERO THERAPEUTICS INC (SPRO) does not have a PE ratio as the earnings reported over the last twelve months were negative (-1.28).


What is the Short Interest ratio of SPERO THERAPEUTICS INC (SPRO) stock?

The outstanding short interest for SPERO THERAPEUTICS INC (SPRO) is 1.55% of its float. Check the ownership tab for more information on the SPRO short interest.


SPRO Technical Analysis

ChartMill assigns a technical rating of 8 / 10 to SPRO. When comparing the yearly performance of all stocks, SPRO is one of the better performing stocks in the market, outperforming 98.8% of all stocks.


Chartmill TA Rating
Chartmill Setup Rating

SPRO Fundamental Analysis

ChartMill assigns a fundamental rating of 3 / 10 to SPRO. While SPRO seems to be doing ok healthwise, there are quite some concerns on its profitability.


Chartmill FA Analysis
Valuation
Growth
Profitability
Health
Dividend

SPRO Financial Highlights

Over the last trailing twelve months SPRO reported a non-GAAP Earnings per Share(EPS) of -1.28. The EPS decreased by -341.51% compared to the year before.


Industry RankSector Rank
PM (TTM) N/A
ROA -89.77%
ROE -206.31%
Debt/Equity 0
Chartmill High Growth Momentum
EPS Q2Q%-4.17%
Sales Q2Q%-36.61%
EPS 1Y (TTM)-341.51%
Revenue 1Y (TTM)-59.83%

SPRO Ownership and Analysts

ChartMill assigns a Buy % Consensus number of 78% to SPRO. The Buy consensus is the average rating of analysts ratings from 9 analysts.

For the next year, analysts expect an EPS growth of 0.01% and a revenue growth -100% for SPRO


Ownership
Inst Owners25.51%
Ins Owners5.2%
Short Float %1.55%
Short Ratio4.68
Analysts
Analysts77.78
Price Target5.1 (104%)
EPS Next Y0.01%
Revenue Next Year-100%