Spero Therapeutics

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

Robinhood gives you the tools you need to put your money in motion. You can buy or sell SPRO and other ETFs, options, and stocks.

About SPRO

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 was founded by Ankit A. 

CEO
Esther Rajavelu
CEOEsther Rajavelu
Employees
32
Employees32
Headquarters
Cambridge, Massachusetts
HeadquartersCambridge, Massachusetts
Founded
2013
Founded2013
Employees
32
Employees32

SPRO Key Statistics

Market cap
138.03M
Market cap138.03M
Price-Earnings ratio
-3.07
Price-Earnings ratio-3.07
Dividend yield
Dividend yield
Average volume
207.89K
Average volume207.89K
High today
$2.46
High today$2.46
Low today
$2.42
Low today$2.42
Open price
$2.44
Open price$2.44
Volume
151.71K
Volume151.71K
52 Week high
$3.22
52 Week high$3.22
52 Week low
$0.5052
52 Week low$0.5052

Stock Snapshot

With a market cap of 138.03M, Spero Therapeutics(SPRO) trades at $2.45. The stock has a price-to-earnings ratio of -3.07.

On 2026-01-24, Spero Therapeutics(SPRO) stock traded between a low of $2.42 and a high of $2.46. Shares are currently priced at $2.45, which is +1.2% above the low and -0.5% below the high.

Spero Therapeutics(SPRO) shares are trading with a volume of 151.71K, against a daily average of 207.89K.

In the last year, Spero Therapeutics(SPRO) shares hit a 52-week high of $3.22 and a 52-week low of $0.51.

In the last year, Spero Therapeutics(SPRO) shares hit a 52-week high of $3.22 and a 52-week low of $0.51.

People also own

Based on the portfolios of people who own SPRO. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.