Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. Ribbon Communications's shares outstanding for the quarter that ended in Mar. 2026 was 175.5 Mil.
Ribbon Communications's quarterly shares outstanding
declined
from Dec. 2025 (175.8 Mil) to Mar. 2026 (175.5 Mil).
It means Ribbon Communicationsbought back shares from Dec. 2025 to Mar. 2026 .
Ribbon Communications's annual shares outstanding
increased
from Dec. 2024 (175.6 Mil) to Dec. 2025 (175.8 Mil).
It means Ribbon Communicationsissued new shares from Dec. 2024 to Dec. 2025 .
A company may buy back shares or issue shares in any fiscal period. If a company buys back shares, we should observe that the total number of shares decline. If the company issues new shares, the number of shares outstanding increases.
Usually the presence of treasury shares and a history of buyback are good indicators that company has competitive advantage. But studies have shown that companies usually buy back at wrong time. Buying back shares below its intrinsic value increases value for remaining shareholders. Buying back overvalued shares destroys value for existing shareholders.
Be Aware
Warren Buffett looks for consistency and upward long term trend. Because of share repurchase it is possible for net earnings trend to differ from EPS trend. He preferred net income over EPS. The companies with durable competitive advantage companies report higher % net earnings to total revenues.
Important: If a company is showing net earnings history greater than 20% on total revenues, it is probably benefiting from a long term competitive advantage.
If net earnings is less than 10%, likely to be in a highly competitive business.
Ribbon Communications Shares Outstanding (EOP) Related Terms
Ribbon Communications Shares Outstanding (EOP) Historical Data
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The historical data trend for Ribbon Communications's Shares Outstanding (EOP) can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
RBBN vs XPER, SVCO, RMNI: Shares Outstanding (EOP) Comparison
For the Software - Application subindustry, Ribbon Communications's Shares Outstanding (EOP), along with its competitors' market caps and Shares Outstanding (EOP) data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Ribbon Communications Shares Outstanding (EOP) vs Software Industry
For the Software industry and Technology sector, Ribbon Communications's Shares Outstanding (EOP) distribution charts can be found below:
* The bar in red indicates where Ribbon Communications's Shares Outstanding (EOP) falls into.
Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. They have voting rights and represent ownership in the corporation by the person that holds the shares. They should be distinguished from treasury shares, which are shares held by the corporation itself, having no exercisable rights.
Shares outstanding can be calculated as either basic or fully diluted. The fully diluted shares outstanding count includes diluting securities, such as options, warrants or convertibles.
What does a Shares Outstanding (EOP) of 175.5 Mil mean?
Ribbon Communications (RBBN) has a Shares Outstanding (EOP) of 175.5 Mil as of Mar. 2026. The total shares a company has outstanding, at period-end. View historical data on Ribbon Communications and its competitors.
Is Ribbon Communications' Shares Outstanding (EOP) too high?
Ribbon Communications' current Shares Outstanding (EOP) is 175.5 Mil. Overall, Ribbon Communications has a GF Score™ of 58/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Ribbon Communications' Shares Outstanding (EOP) compare to XPER and SVCO?
Ribbon Communications' Shares Outstanding (EOP) of 175.5 Mil can be compared against companies in the Software industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shares Outstanding (EOP) for a Software company?
A good Shares Outstanding (EOP) depends on the Software industry context. However, Shares Outstanding (EOP) should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Shares Outstanding (EOP) mean?
A high Shares Outstanding (EOP) can signal that a stock is expensive relative to its fundamentals. The total shares a company has outstanding, at period-end. View historical data on Ribbon Communications and its competitors. Ribbon Communications's current Shares Outstanding (EOP) is 175.5 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ribbon Communications stock overvalued right now?
Based on GuruFocus' analysis, Ribbon Communications (RBBN) is currently considered Modestly Undervalued. The stock's GF Value™ is $2.99, compared to a current price of $2.14 — trading 28.4% below its estimated fair value. The current Shares Outstanding (EOP) is 175.5 Mil. Ribbon Communications' overall GF Score™ is 58/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Outstanding (EOP) calculated?
Shares Outstanding (EOP) is calculated from a company's financial statements. For Ribbon Communications (RBBN), the current Shares Outstanding (EOP) is 175.5 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Ribbon Communications (RBBN) Overvalued in 2026?
Based on GuruFocus' analysis, Ribbon Communications stock appears to be undervalued.
The current stock price of $2.14 is trading 28.4% below its estimated GF Value™ of $2.99.
GuruFocus considers Ribbon Communications to be Modestly Undervalued.
Key valuation signals for RBBN:
Shares Outstanding (EOP): 175.5 Mil
GF Value™: $2.99 vs. price of $2.14 (28.4% below fair value)
No single metric tells the full story. See the RBBN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ribbon Communications Inc provides communications technology to service providers and enterprises, offering software and high-performance hardware products, network solutions, and services for secure data and voice communications, as well as high-bandwidth networking for residential and enterprise customers across industries such as finance, education, government, utilities, and transportation. It operates through two segments: Cloud and Edge, which generate maximum revenue and deliver software-centric, cloud-native solutions for VoIP, VoLTE, VoNR, and unified communications, and IP Optical Networks, which support growing telecommunications traffic from 5G, distributed cloud computing, and other applications. The Company generates the majority of its revenue from the United States.
58GF Score
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