Ribbon Communications Inc.: stock overview

RBBNNASDAQTechnology · Services-Computer Integrated Systems Design

Price

$1.47

November 13, 2026Market cap $258M

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  • The full history: 11 fiscal years, from 2015
  • The estimated fair value, with its range and its certainty
  • The full analysis, 18 a month
  • More questions to the chat on its filings
  • Excel with every year
  • An email when it reports, changes its dividend or an officer buys

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Notes on these figures

  • Most of the reported profit is a tax credit, not money earned from customers. We leave out the P/E and the earnings growth, which would not compare with a company that paid tax.

In short

Ribbon Communications had revenue of $801M over the last 12 months and net income of $19M, a net margin of 2.3%. Revenue grew by 0.0% a year on average over the last 5 years. It has net debt of $287M. It pays no dividend.

From its SEC filings (latest fiscal year to December 31, 2025) and the price of November 13, 2026.

Its SEC filings
Market cap
$258M
176M shares
P/E
–
Revenue, 12 months
$801M
0.0% a year over 5 years
Net margin
2.3%
2025: 0.0%, above 42% of its industry

Worth knowing

What a holder would want to hear from the company's SEC filings of the last three years. Each with its filing, without comment.

3 fiscal years in figures

Each fiscal year's figures as the company filed them, and the share price at its end.

2023–2025 fiscal years

+1.1% a year over 2 years

  • 202510-K
    Revenue$845M
  • 202410-K
    Revenue$834M
  • 202310-K
    Revenue$826M

Fiscal years in figures

RBBN's revenue, profit, cash flow and dividend with each year-end price, from 2015 to 2022, 8 more fiscal years

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Key figures

The company's current figures in five groups. Each term is explained behind its ⓘ.

Valuation

Market cap 3-year median: $506M
$258M
Enterprise value 
$546M
P/E 
–
EV / EBIT 
–
EV / Revenue 
0.7
P/B 3-year median: 1.1
0.7
FCF yield 3-year median: 3.8%
–
Earnings yield 3-year median: -7.5%
–

Profitability

Gross margin 
48.3%
Operating margin 
-3.6%
Net margin 3-year median: -6.5%
2.3%
ROIC 
-3.1%
ROIC, 5-year average 
-3.3%
ROE 
4.6%

Growth

Revenue, yearly change 
+1.3%
EPS, yearly change 
–
FCF, yearly change 
-6.4%
Revenue, average a year 
0.0%
EPS, average a year 
-18.5%

The yearly change compares FY2025 with FY2024.

Balance sheet

Cash 
$40M
Total debt 
$395M
Of which operating leases 
$67M
Net debt 
$287M
Net debt / EBITDA 
–
Interest cover 
–
Current ratio 
1.32

Balance sheet of September 30, 2026.

Returns to shareholders

Dividend yield 
0.00%
Buybacks 
3.47%
Total returned 
3.47%
Shares, yearly change 
-0.1%
Valuation against its own pastEach fiscal year's P/E, P/FCF and P/B beside today's, and the DCF calculator for the company.Valuation

Against its industry

Where its margins and returns stood in fiscal 2025 among the SEC filers of its industry (SIC code 73).

Gross margin

49.8%

Above 41% of the 293 companies in its industry, and 69% of all.

Operating margin

-0.4%

Above 40% of the 462 companies in its industry, and 33% of all.

Net margin

0.0%

Above 42% of the 473 companies in its industry, and 34% of all.

ROE

0.0%

Above 39% of the 398 companies in its industry, and 31% of all.

ROA

0.0%

Above 42% of the 462 companies in its industry, and 34% of all.

Revenue growth

1.3%

Above 26% of the 461 companies in its industry, and 32% of all.

From the yearly figures every company files with the SEC, for those with revenue of at least $25 million. The industry is the first two digits of the SIC code.

The company at the SEC

How it is registered and when its fiscal year ends.

Name at the SEC
Ribbon Communications Inc.
CIK
1708055
Exchange
NASDAQ
Industry (SIC)
7373 · Services-Computer Integrated Systems Design
Fiscal year ends
December 31
Latest annual report
December 31, 2025
Reporting currency
USD
Shares
176M

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The full analysis

What do Ribbon Communications's filings show?

These are Ribbon Communications's figures. The full Ploutos AI analysis reads everything the company has filed and shows what stands behind it, with a source for every figure.

  • A fair value range built from the filings
  • Earnings quality, debt and red flags
  • Insider and institutional moves
  • The case for and the case against

Questions about RBBN

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What is RBBN's market cap?

Ribbon Communications Inc.'s market cap is $258M, at a price of $1.47 on November 13, 2026 and 176M shares.

How much revenue does RBBN have?

Ribbon Communications had revenue of $801M over the last 12 months. Over the last 5 years it changed by 0.0% a year on average.

Does RBBN pay a dividend?

No. Ribbon Communications paid no regular dividend over the last 12 months.

Where do the figures come from?

From Ribbon Communications Inc.'s SEC filings (10-K and 10-Q) and the share price. They hold no analyst estimates and no score, and they are not a recommendation.

Related pages

The other pages on US stocks, free to read. On the company pages, the last three fiscal years are open to everyone, five with a free account, and every year with Ploutos Investor.

US stocksThe market today, the sectors, the largest companies and the week's results.The market's sectorsThe 11 sectors side by side: returns, share of the market, median P/E and dividend.Compare stocksTwo companies side by side: price over up to ten years, with and without dividends, and every figure.US dividend stocksEach dividend's yield next to whether the company's cash covers it and whether it was ever cut.

The figures come from the company's SEC filings and the share price, and describe what it has reported. They are not a score or a fair value.