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Ribbon Communications market cap RBBN

Share price times shares outstanding: what the whole company sells for, since 2018.

Today, Oct 23, 2026
$250.4M
Highest close in our data
$1.5B
Feb 2021

Ribbon Communications is worth $250.4M at the close on Oct 23, 2026, at $1.40 a share.

That is down 60% over the last year and down 69% over five years.

Its highest close in our data was $1.5B in Feb 2021.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$250.4M$236M$542.5M−52%
2025$521M$485.6M$899.7M−28%
2024$719.1M$443.2M$731.3M+44%
2023$498M$332.9M$753.2M+6%
2022$469.1M$334M$908.1M−48%
2021$899.2M$801.1M$1.5B−6%
2020$953.8M$239.3M$1B+178%
2019$343.2M$304.5M$636.9M−37%
2018$542.2M$512.7M$793.6Mn/a

Against its peers

Companies in Software - Infrastructure nearest Ribbon Communications' size, closest first, today.

CompanyMarket cap
RBBNRibbon Communications$250.4M
MKLYMcKinley Acquisition$250M
MKTWMarketwise$297M
EGANEGAIN$148.7M
IIIVi3 Verticals$457.2M
NTWKNetsol Technologies$93.9M
CCSIConsensus Cloud Solutions$686.6M
GDYNGrid Dynamics$701.7M
OSPNOneSpan$744M
FATNFatpipe$75.3M
CCLDCareCloud$75.2M
Peer median$273.5M

What the market cap tells you

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

More on Ribbon Communications

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.