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RBBN · NASDAQ

Ribbon Communications (RBBN) Stock Price & Fundamentals

$496.89−0.35%−$1.74End-of-day price as of Oct 9, 2026

Ribbon Communications (RBBN) closed at $496.89 on Oct 9, 2026, down 0.35% from the previous close of $498.63.

Share price, past year

1Y +26.75%

52-week range $388.18 – $498.63. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$496.89
Sep 30, 2026$486.77
Aug 31, 2026$458.64
Jul 31, 2026$474.43
Jun 30, 2026$445.47
May 29, 2026$465.13
Apr 30, 2026$445.13
Mar 31, 2026$453.64
Feb 27, 2026$412.31
Jan 30, 2026$422.75
Dec 31, 2025$401.81
Nov 28, 2025$400.54
Oct 31, 2025$388.24

Key statistics

Market cap
$88.83B
P/E (TTM)
6,211.1
EPS (TTM)
$0.08
Revenue (TTM)
$797.64M
Net income (TTM)
$15.60M
Shares outstanding
178.8M
Dividend yield
—
52-week range
$388.18 – $498.63

Ribbon Communications's market cap is $88.83B, based on a share price of $496.89 and 178.8M shares outstanding as of Jun 30, 2026.

Financials

Ribbon Communications reported revenue of $844.56M for fiscal 2025, up 1.28% from fiscal 2024.

Ribbon Communications earned net income of $39.64M in fiscal 2025, a net margin of 4.7%.

Annual revenue

FY16FY17FY18FY19FY20FY21FY22FY23FY24FY25
Annual revenue by fiscal year; the table below lists the values.
Ribbon Communications annual financials by fiscal year, from SEC filings
Fiscal yearRevenueGrowthNet incomeNet marginEPS (diluted)Free cash flow
FY2025ended Dec 31, 2025$844.56M+1.3%$39.64M4.7%$0.22$26.06M
FY2024ended Dec 31, 2024$833.88M+0.9%−$54.24M−6.5%−$0.31$27.83M
FY2023ended Dec 31, 2023$826.34M+0.8%−$66.21M−8.0%−$0.39$7.71M
FY2022ended Dec 31, 2022$819.76M−3.0%−$98.08M−12.0%−$0.63−$36.62M
FY2021ended Dec 31, 2021$844.96M+0.1%−$177.19M−21.0%−$1.20$2.05M
FY2020ended Dec 31, 2020$843.80M+49.9%$88.59M10.5%$0.61$74.84M
FY2019ended Dec 31, 2019$563.11M−2.6%−$130.08M−23.1%−$1.19$44.86M
FY2018ended Dec 31, 2018$577.91M+75.2%−$76.81M−13.3%−$0.74−$17.50M
FY2017ended Dec 31, 2017$329.94M+30.6%——−$0.60$4.08M
FY2016ended Dec 31, 2016$252.59M———−$0.28$14.57M
Ribbon Communications quarterly results
QuarterRevenueNet incomeEPS (diluted)
Q2 FY2026ended Jun 30, 2026$192.34M−$26.87M−$0.15
Q1 FY2026ended Mar 31, 2026$162.61M−$34.49M−$0.20
Q4 FY2025ended Dec 31, 2025$227.32M$89.07M$0.50
Q3 FY2025ended Sep 30, 2025$215.37M−$12.11M−$0.07
Q2 FY2025ended Jun 30, 2025$220.58M−$11.09M−$0.06
Q1 FY2025ended Mar 31, 2025$181.28M−$26.23M−$0.15
Q4 FY2024ended Dec 31, 2024$251.36M$6.36M$0.05
Q3 FY2024ended Sep 30, 2024$210.24M−$13.42M−$0.08

Company profile

Name
Ribbon Communications Inc.
Ticker
RBBN
Exchange
NASDAQ
Industry (SEC SIC)
Services-Computer Integrated Systems Design
Headquarters
6500 Chase Oaks Boulevard, Plano, TX 75023
Incorporated in
DE
Fiscal year ends
December
SEC CIK
0001708055

Recent SEC filings

Frequently asked questions

What is Ribbon Communications's stock price?

Ribbon Communications (RBBN) closed at $496.89 on Oct 9, 2026, down 0.35% from the previous close of $498.63.

What is Ribbon Communications's market cap?

Ribbon Communications's market cap is $88.83B, based on a share price of $496.89 and 178.8M shares outstanding as of Jun 30, 2026.

How much revenue does Ribbon Communications make?

Ribbon Communications reported revenue of $844.56M for fiscal 2025, up 1.28% from fiscal 2024.

What is RBBN's P/E ratio?

Ribbon Communications's price-to-earnings ratio is 6,211.1, based on trailing twelve-month diluted EPS of $0.08.

Does Ribbon Communications pay a dividend?

Ribbon Communications's recent filings report no dividends declared over the last four quarters.

Sources and methodology

Fundamentals come from Ribbon Communications Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures