Ironwood Pharmaceuticals market cap IRWD

Share price times shares outstanding: what the whole company sells for, since 2011.

Ironwood Pharmaceuticals is worth $571.7M at the close on Oct 23, 2026, at $3.46 a share.

That is up 112% over the last year and down 73% over five years.

Its highest close in our data was $3.2B in Jul 2018.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$571.7M	$495.7M	$850.8M	+10%
2025	$520.6M	$91.6M	$721.7M	−27%
2024	$712.1M	$548.9M	$2.4B	−60%
2023	$1.8B	$1.3B	$1.9B	−6%
2022	$1.9B	$1.5B	$2B	−0%
2021	$1.9B	$1.5B	$2.3B	+5%
2020	$1.8B	$1.5B	$2.1B	−14%
2019	$2.1B	$1.4B	$2.3B	+38%
2018	$1.5B	$1.4B	$3.2B	−32%
2017	$2.2B	$2B	$2.9B	+0%
2016	$2.2B	$1.2B	$2.4B	+35%
2015	$1.7B	$1.5B	$2.3B	−21%
2014	$2.1B	$1.2B	$2.2B	+45%
2013	$1.4B	$1.1B	$2B	+22%
2012	$1.2B	$1.1B	$1.6B	−2%
2011	$1.2B	$1.1B	$1.4B	n/a

Companies in Drug Manufacturers - General nearest Ironwood Pharmaceuticals' size, closest first, today.

Company	Market cap
IRWDIronwood Pharmaceuticals	$571.7M
PBYIPuma Biotechnology	$568.9M
ZVRAZevra Therapeutics	$582.6M
CRMDCorMedix	$611.9M
ARVNArvinas	$477.3M
COLLCollegium Pharmaceutical	$747.5M
ABUSArbutus Biopharma	$831M
AMPHAmphastar Pharmaceuticals	$1.1B
OMEROmeros	$1.2B
PCRXPacira BioSciences	$1.5B
ANABAnaptysbio	$1.5B
Peer median	$789.2M