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Spero Therapeutics Funding History

Since Spero Therapeutics was founded in 2013, it has participated in 14 rounds of funding. In total Spero Therapeutics has raised $463.8M. Spero Therapeutics' last funding round was on Nov 2022 for a total of $9.0M.

Spero Therapeutics Funding Rounds

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ROUND

FUNDING DATE

AMOUNT

NUMBER OF INVESTORS

INVESTORS

Post-IPO Equity
Nov 2022
$9M
2
RA Capital Management, LLC,  Athyrium Capital Management
Post-IPO Equity
Jun 2021
$40M
1
Pfizer Inc.
Post-IPO Equity
Sep 2020
$74.7M
__
Post-IPO Equity
Mar 2020
$30M
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Grant
Jul 2019
$5.9M
1
U.S. Department of Defense

Total Funding: $463.8M

Spero Therapeutics Investors

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INVESTOR

ROUND

FUNDING DATE

RA Capital Management, LLC
Post-IPO Equity
Nov 2022
Athyrium Capital Management
Post-IPO Equity
Nov 2022
Pfizer Inc.
Post-IPO Equity
Jun 2021
U.S. Department of Defense
Grant
Jul 2019
CARB-X
Grant
Mar 2017

Total Investors: 14

Spero Therapeutics has 14 investors, including RA Capital Management, LLC, Athyrium Capital Management and Pfizer Inc.. The latest investment occurred in Nov 2022.