Tearsheet

Ribbon Communications (RBBN)


Market Price (4/13/2026): $2.47 | Market Cap: $434.0 Mil
Sector: Industrials | Industry: Research & Consulting Services

Ribbon Communications (RBBN)


Market Price (4/13/2026): $2.47
Market Cap: $434.0 Mil
Sector: Industrials
Industry: Research & Consulting Services

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 9.1%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 5.2%, FCF Yield is 6.0%

Valuation becoming less expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is -33%

Megatrend and thematic drivers
Megatrends include 5G & Advanced Connectivity, Cybersecurity, and Cloud Computing. Themes include Telecom Infrastructure, Show more.

Weak multi-year price returns
2Y Excs Rtn is -48%, 3Y Excs Rtn is -90%

Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 71%

Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is 1.0%, Rev Chg QQuarterly Revenue Change % is -9.6%

Key risks
RBBN key risks include [1] revenue volatility from its high concentration of large customers and [2] supply chain and operational disruptions stemming from its dependence on limited-source suppliers and exposure to international geopolitical tensions.

0 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 9.1%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 5.2%, FCF Yield is 6.0%
1 Valuation becoming less expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is -33%
2 Megatrend and thematic drivers
Megatrends include 5G & Advanced Connectivity, Cybersecurity, and Cloud Computing. Themes include Telecom Infrastructure, Show more.
3 Weak multi-year price returns
2Y Excs Rtn is -48%, 3Y Excs Rtn is -90%
4 Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 71%
5 Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is 1.0%, Rev Chg QQuarterly Revenue Change % is -9.6%
6 Key risks
RBBN key risks include [1] revenue volatility from its high concentration of large customers and [2] supply chain and operational disruptions stemming from its dependence on limited-source suppliers and exposure to international geopolitical tensions.

Valuation, Metrics & Events

Price Chart

Why The Stock Moved

Qualitative Assessment

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Ribbon Communications (RBBN) stock has lost about 15% since 12/31/2025 because of the following key factors:

1. Weak Fourth Quarter 2025 Revenue and Deteriorating Profitability.

Despite exceeding earnings per share (EPS) estimates by 490% with an EPS of $0.59, Ribbon Communications reported a fourth-quarter 2025 revenue of $227.32 million, missing analyst expectations of $241.35 million by 4.85%. The company's Q4 2025 revenue declined 9.6% compared to $251 million in Q4 2024. Furthermore, full-year 2025 GAAP operating income swung to a loss of $(3) million, a significant decrease from a $17 million gain in 2024, and non-GAAP adjusted EBITDA also fell to $107 million from $119 million in 2024.

2. Conservative 2026 Financial Outlook and Weak First Quarter 2026 Guidance.

Ribbon Communications provided a cautious financial outlook for 2026, projecting revenue between $840 million and $875 million, representing approximately 1% year-over-year growth at the midpoint, excluding low-growth maintenance revenue. The guidance for the first quarter of 2026 was particularly weak, with anticipated revenue of $160 million to $170 million and adjusted EBITDA projected to be between -$3 million and +$1 million. Analysts are forecasting a negative EPS of -$0.07 for Q1 2026, indicating a 100% year-over-year decrease.

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Stock Movement Drivers

Fundamental Drivers

The -14.2% change in RBBN stock from 12/31/2025 to 4/12/2026 was primarily driven by a -12.3% change in the company's P/S Multiple.
(LTM values as of)123120254122026Change
Stock Price ($)2.882.47-14.2%
Change Contribution By: 
Total Revenues ($ Mil)869845-2.8%
P/S Multiple0.60.5-12.3%
Shares Outstanding (Mil)1771760.5%
Cumulative Contribution-14.2%

LTM = Last Twelve Months as of date shown

Market Drivers

12/31/2025 to 4/12/2026
ReturnCorrelation
RBBN-14.2% 
Market (SPY)-5.4%10.7%
Sector (XLI)10.6%8.1%

Fundamental Drivers

The -35.0% change in RBBN stock from 9/30/2025 to 4/12/2026 was primarily driven by a -33.9% change in the company's P/S Multiple.
(LTM values as of)93020254122026Change
Stock Price ($)3.802.47-35.0%
Change Contribution By: 
Total Revenues ($ Mil)863845-2.2%
P/S Multiple0.80.5-33.9%
Shares Outstanding (Mil)1771760.6%
Cumulative Contribution-35.0%

LTM = Last Twelve Months as of date shown

Market Drivers

9/30/2025 to 4/12/2026
ReturnCorrelation
RBBN-35.0% 
Market (SPY)-2.9%24.7%
Sector (XLI)11.6%16.6%

Fundamental Drivers

The -37.0% change in RBBN stock from 3/31/2025 to 4/12/2026 was primarily driven by a -37.7% change in the company's P/S Multiple.
(LTM values as of)33120254122026Change
Stock Price ($)3.922.47-37.0%
Change Contribution By: 
Total Revenues ($ Mil)8348451.3%
P/S Multiple0.80.5-37.7%
Shares Outstanding (Mil)175176-0.2%
Cumulative Contribution-37.0%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2025 to 4/12/2026
ReturnCorrelation
RBBN-37.0% 
Market (SPY)16.3%42.3%
Sector (XLI)32.3%35.1%

Fundamental Drivers

The -27.8% change in RBBN stock from 3/31/2023 to 4/12/2026 was primarily driven by a -26.8% change in the company's P/S Multiple.
(LTM values as of)33120234122026Change
Stock Price ($)3.422.47-27.8%
Change Contribution By: 
Total Revenues ($ Mil)8208453.0%
P/S Multiple0.70.5-26.8%
Shares Outstanding (Mil)168176-4.2%
Cumulative Contribution-27.8%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2023 to 4/12/2026
ReturnCorrelation
RBBN-27.8% 
Market (SPY)63.3%42.7%
Sector (XLI)76.8%36.5%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
RBBN Return-8%-54%4%43%-31%-22%-66%
Peers Return83%-10%-20%20%53%38%228%
S&P 500 Return27%-19%24%23%16%-0%82%

Monthly Win Rates [3]
RBBN Win Rate42%58%58%67%42%25% 
Peers Win Rate62%35%47%55%62%75% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
RBBN Max Drawdown-20%-63%-33%-12%-34%-32% 
Peers Max Drawdown-2%-39%-32%-26%-22%-8% 
S&P 500 Max Drawdown-1%-25%-1%-2%-15%-7% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: CSCO, CIEN, ADTN, CALX, EXTR.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 4/10/2026 (YTD)

How Low Can It Go

Unique KeyEventRBBNS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-83.3%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven498.9%34.1%
2022 Inflation ShockTime to BreakevenTime to BreakevenNot Fully Recovered days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-43.9%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven78.3%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven43 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-68.9%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven221.5%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven442 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-87.6%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven704.5%131.3%
2008 Global Financial CrisisTime to BreakevenTime to BreakevenNot Fully Recovered days1,480 days

Compare to CSCO, CIEN, ADTN, CALX, EXTR

In The Past

Ribbon Communications's stock fell -83.3% during the 2022 Inflation Shock from a high on 2/16/2021. A -83.3% loss requires a 498.9% gain to breakeven.

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About Ribbon Communications (RBBN)

Ribbon Communications Inc. provides communications technology in the United States, Europe, the Middle East, Africa, the Asia Pacific, and internationally. It operates through two segments, Cloud and Edge, and IP Optical Networks. The Cloud and Edge segment provides software and hardware products; and solutions and services for enabling voice over internet protocol communications, voice over long-term evolution, and voice over 5G communications and unified communications and collaboration. It also offers session border controller and network transformation products. This segment serves private, public, or hybrid cloud infrastructures, as well as data centers, enterprise premises, and service provider networks. It also provides multiple solutions for VoIP, VoLTE, VoNR, and UC&C in network, on-premises, or via the telco cloud. The IP Optical Networks segment provides hardware and software solutions for IP networking, switching, routing, and optical transport to support and enable technologies, such as 5G, distributed cloud computing, and corresponding applications. It also offers multiple solutions, including 5G-native solutions for mobile-backhaul, metro and edge aggregation, core networking, data center interconnect, legacy NTR, and transport solutions for wholesale carriers. This segment serves utilities, government, defense, finance, transportation, and education and research industries, as well as service providers and enterprises. It also provides advanced analytics solutions and next generation products that provides cloud-native and streaming analytics platform for networks and subscribers. The company was formerly known as Sonus Networks, Inc. and changed its name to Ribbon Communications Inc. in November 2017. Ribbon Communications Inc. was founded in 1997 and is headquartered in Plano, Texas.

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1. A specialized Cisco or Juniper Networks for telecom carriers' voice and data backbone.

2. Nokia or Ericsson, but focused on the core software and IP/optical networking that enables telecom carriers' communication services.

AI Analysis | Feedback

Major products and services of Ribbon Communications (RBBN):

  • VoIP, VoLTE, VoNR, and UC&C Solutions: Software and hardware products enabling voice over IP, LTE, and 5G communications, along with unified communications and collaboration.
  • Session Border Controllers (SBCs): Products that provide security, interoperability, and quality assurance for real-time communications across IP networks.
  • Network Transformation Products: Solutions designed to modernize and evolve existing communication infrastructures.
  • IP Networking and Optical Transport Solutions: Hardware and software for IP networking, switching, routing, and high-capacity optical data transmission, supporting technologies like 5G and distributed cloud.
  • 5G-Native Mobile Backhaul and Aggregation Solutions: Specialized solutions for connecting 5G radio access networks to the core, and for metro and edge network aggregation.
  • Advanced Network Analytics Solutions: Cloud-native and streaming analytics platforms providing insights into network performance and subscriber behavior.

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Ribbon Communications Inc. (RBBN) primarily sells its communications technology and solutions to other companies and organizations (B2B). Based on the provided description, specific customer company names are not listed; however, the company serves a diverse range of organizations across different sectors.

Its major customer categories include:

  • Telecommunication Service Providers: This category encompasses traditional voice and mobile carriers, wholesale carriers, and entities requiring solutions for Voice over IP (VoIP), Voice over LTE (VoLTE), Voice over 5G (VoNR), Unified Communications & Collaboration (UC&C), 5G-native mobile backhaul, metro and edge aggregation, and core networking.
  • Enterprises: Ribbon Communications serves various businesses and organizations, providing them with solutions for Unified Communications & Collaboration (UC&C), Session Border Controllers (SBC), network transformation, IP networking, switching, routing, and optical transport for their on-premises or cloud infrastructure needs.
  • Public Sector and Critical Infrastructure Organizations: This broad category includes customers in government, defense, utilities, finance, transportation, education and research industries, as well as data centers and cloud infrastructure providers, all relying on Ribbon's hardware and software for their IP networking, optical transport, and advanced analytics requirements.

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  • Intel Corporation (INTC)
  • Broadcom Inc. (AVGO)

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Bruce McClelland President, CEO & Director

Bruce McClelland became President, Chief Executive Officer, and a Director of Ribbon Communications on or around March 1, 2020. Prior to joining Ribbon, he served as the Chief Executive Officer of ARRIS International plc and led its sale to CommScope Inc. for $7.4 billion in April 2019. During his tenure at ARRIS, McClelland was instrumental in managing the acquisition and integration of Ruckus Wireless and Brocade ICX switching businesses, diversifying ARRIS beyond the service provider market into the enterprise sector. Following the ARRIS acquisition, he served as the Chief Operating Officer of CommScope. Earlier in his career, he spent eleven years in various leadership roles at Nortel Networks Corporation and Bell Northern Research (BNR).

John Townsend Executive Vice President, Chief Financial Officer

John Townsend was appointed Executive Vice President and Chief Financial Officer of Ribbon Communications, effective November 1, 2024. He succeeded Miguel "Mick" Lopez, who retired. Before joining Ribbon, Townsend served as the Group CFO of Digicel Group from 2022 to 2023. He spent nearly a decade at Verizon (2013-2022), holding several CFO positions, including CFO for Verizon Wireline, Verizon Wireless, Verizon Consumer, and Verizon Business. Additionally, Townsend spent almost two decades with Vodafone Group, where he held various regional CFO assignments, including CFO for the Verizon Wireless joint venture, overseeing SEC reporting and investor communications.

Sam Bucci Executive Vice President, Chief Operating Officer

Patrick Macken Executive Vice President, Chief Legal Officer and Corporate Secretary

Stephen McCaffery Executive Vice President of Global Sales

AI Analysis | Feedback

Ribbon Communications Inc. (RBBN) faces several key risks inherent in its industry and global operations. These risks can significantly impact its business, financial performance, and market position. The most significant risk to Ribbon Communications is its **dependence on third-party suppliers and the impact of geopolitical instabilities**. The company relies heavily on a global supply chain for raw materials, components, and the manufacturing of its appliance products, with suppliers located in countries such as Mexico, Malaysia, Thailand, Israel, and China. Disruptions in this supply chain, whether due to component availability issues, increased tariffs, trade restrictions, or other geopolitical events, could severely affect the company's ability to deliver its solutions to customers. Furthermore, Ribbon Communications has a substantial number of employees in Israel, making its operations directly vulnerable to the political, economic, and military conditions in the region, as evidenced by the ongoing conflict since October 2023. The wars in Israel and Ukraine, along with national security concerns, continue to disrupt global supply chains and increase volatility, directly impacting Ribbon's ability to deliver products. Another significant risk stems from the **intensely competitive market and the unpredictable nature of customer demand**. Ribbon Communications operates in a highly competitive telecommunications equipment and networking market, vying for market share against numerous other companies. This intense competition can exert pressure on the company's pricing, market share, and overall profitability. Additionally, equipment purchases by Communication Service Providers (CSPs) and enterprises can be unpredictable, leading to fluctuating revenues. The company's reliance on revenue from certain large customers also makes it susceptible to delays in customer orders, which can postpone shipments and revenue recognition. Finally, **cybersecurity threats** pose a material risk to Ribbon Communications. The company faces the ongoing threat of cyberattacks, which could lead to breaches of its information systems or those of its third-party providers. Such incidents could result in the theft, transfer, or unauthorized disclosure of sensitive customer, employee, or company information, potentially harming RBBN's reputation, leading to significant financial losses, and impacting its ability to comply with data privacy and security regulations. In October 2025, it was reported that Ribbon Communications had been targeted by nation-state actors who gained unauthorized access to its IT network, with initial access possibly occurring as early as December 2024.

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The increasing trend for enterprises and even some service providers to adopt comprehensive, integrated unified communications and networking services directly from large hyperscale cloud providers (e.g., Microsoft, Amazon, Google). These integrated offerings often subsume the need for separate session border controllers, VoIP/VoLTE/VoNR communication platforms, and some network transformation solutions, thereby reducing the addressable market for Ribbon's Cloud and Edge segment.

AI Analysis | Feedback

Ribbon Communications (RBBN) operates in several expanding addressable markets globally, encompassing its diverse range of communication technology products and services. The company's main offerings include solutions for Voice over IP, VoLTE, VoNR, Unified Communications and Collaboration, Session Border Controllers, IP Optical Networks, and advanced analytics.

Voice over Internet Protocol (VoIP)

The global Voice over Internet Protocol (VoIP) services market was valued at approximately USD 161.79 billion in 2025 and is projected to grow to about USD 453.75 billion by 2035, with a Compound Annual Growth Rate (CAGR) of 10.86% from 2026 to 2035. Other estimates for the global VoIP market include USD 169.38 billion in 2025, reaching USD 264.27 billion by 2029, and USD 176.16 billion in 2025, with a projection to reach USD 388.97 billion by 2034 at a CAGR of 10.4%. North America is a dominant region in this market, holding a 45% market share in 2025.

Voice over LTE (VoLTE)

The global Voice over LTE (VoLTE) market reached USD 23.2 billion in 2024 and is anticipated to expand significantly to USD 919.8 billion by 2033, demonstrating a substantial CAGR of 50.5% during the forecast period of 2025-2033. Another report indicates the VoLTE market size is USD 86.84 billion in 2026 and is projected to reach USD 513.23 billion by 2031, at a CAGR of 42.65% from 2026-2031. North America is a leading region in the VoLTE market.

Voice over 5G (VoNR)

The global Voice over New Radio (VoNR) market was valued at USD 3.49 billion in 2022 and is expected to reach USD 83.09 billion by 2030, growing at a CAGR of 50.5% from 2023 to 2030. Another assessment valued the market at USD 1.2 billion in 2024, with a projection to reach USD 3.5 billion by 2034 at a CAGR of 11.5%.

Unified Communications and Collaboration (UC&C)

The global Unified Communications and Collaboration (UC&C) market size was approximately USD 73.35 billion in 2025 and is projected to grow to USD 181.84 billion by 2034, exhibiting a CAGR of 10.7% over the forecast period. North America held the largest share of this market, at 36.9% in 2025. Other projections show the global UC&C market reaching USD 211.1 billion in 2030, with an estimated revenue of USD 100.2 billion in 2024 and a CAGR of 13.5% from 2025–2030. Additionally, the market is projected to grow from USD 106.9 billion in 2025 to USD 324.9 billion by 2035, at a CAGR of 11.8%.

Session Border Controller (SBC)

The global enterprise session border controller market was valued at USD 541.01 million in 2024 and is expected to reach USD 1,078.10 million by 2032, with a CAGR of 9.00% during the forecast period. Another report indicates the global market size was over USD 1.1 billion in 2025 and is projected to reach USD 2.46 billion by 2035, at a CAGR of around 8.4% from 2026-2035. North America held a dominant position in the SBC market, accounting for approximately 35% of the market share in 2024.

IP Optical Networks (including 5G Infrastructure, Mobile Backhaul, and Data Center Interconnect)

  • 5G Infrastructure: The global 5G infrastructure market was valued at USD 14.81 billion in 2024 and is estimated to reach USD 368.85 billion by 2033, with a CAGR of 39.50% from 2025-2033. Another report estimated the global 5G infrastructure market at USD 43.50 billion in 2025, expected to grow to USD 675.9 billion by 2034 at a CAGR of 41.7%.
  • Mobile Backhaul: The global mobile backhaul market size is estimated at USD 40.2 billion in 2026 and is projected to reach USD 80.65 billion by 2031, growing at a CAGR of 14.95% from 2026-2031. Asia Pacific is a leading region, with a 34.60% revenue share in 2025.
  • Data Center Interconnect (DCI): The global data center interconnect market is projected to reach USD 14.6 billion in 2025 and grow to USD 79.4 billion by 2034, at a CAGR of 20.7%. North America is expected to hold the largest market share in the global DCI market, with about 38.0% in 2025. Another report estimated the global DCI market size at USD 10.12 billion in 2024 and projected it to reach USD 20.37 billion by 2030, growing at a CAGR of 13.1% from 2025 to 2030.
  • Metro-Edge 400ZR: The metro-edge 400 ZR market size is expected to grow from $1.03 billion in 2024 to $1.29 billion in 2025, at a CAGR of 24.7%, and is projected to reach $3.07 billion in 2029 at a CAGR of 24.3%.

Advanced Analytics Solutions (Network Analytics)

The global network analytics market size was estimated at USD 3.26 billion in 2022 and is projected to grow to USD 13.06 billion by 2030, with a CAGR of 19.0% from 2023 to 2030. North America held the largest market share of 33.62% in 2022. Another report estimated the global network analytics market size at USD 5.60 billion in 2025 and expects it to reach approximately USD 25.77 billion by 2034, expanding at a CAGR of 18.55% from 2025 to 2034. North America contributed over 35% of the market share in 2024, and Asia-Pacific is estimated to expand at a CAGR of 22% between 2025 and 2034.

AI Analysis | Feedback

Ribbon Communications (RBBN) is expected to experience future revenue growth over the next 2-3 years, driven by several key factors:

  1. Voice Network Modernization and Cloud-Native Solutions: Ribbon Communications anticipates growth from service providers investing in modernizing their traditional voice networks and the increasing adoption of cloud-centric and cloud-native voice solutions within its Cloud & Edge segment. The company has secured significant new voice modernization bookings.
  2. Global 5G and Broadband Infrastructure Deployments: The company's product offerings are well-positioned to benefit from global 5G initiatives, Fiber-To-The-Home broadband deployments, and general network upgrades to support exponential growth in internet traffic.
  3. Expansion in IP Optical Networks: Ribbon Communications expects continued expansion and a growing pipeline of opportunities within its IP Optical Networks segment. This includes strategic wins with new Metro customers and projects in areas like Data Center Interconnect (DCI), particularly in North America and EMEA.
  4. Increased Demand from Critical Infrastructure and U.S. Government Spending: Growth is anticipated from serving critical infrastructure sectors and from improved visibility in U.S. government spending. The company's product suite is also expected to benefit from U.S. government incentives for network modernization.
  5. International Market Growth: Strong sales performance in the EMEA (Europe, Middle East, and Africa) region and growth in India are identified as positive contributors to future revenue. Ribbon has shown increasing international strength and an expanding customer base in various regions.

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Share Repurchases

  • Ribbon Communications authorized a new share repurchase program of up to $50 million, commencing on June 5, 2025, and running through December 31, 2027.
  • The company repurchased approximately 972,000 shares for $3.3 million in the fourth quarter of 2025 and 2.5 million shares for $9 million in the full fiscal year 2025.
  • The share repurchase program is expected to be funded by available cash or cash generated from operations.

Share Issuance

  • In August 2022, Ribbon Communications completed a private placement, issuing approximately 17.05 million shares of common stock at $3.05 per share, raising gross proceeds of approximately $52 million.
  • In March 2023, the company completed a private placement financing of Series A preferred stock and warrants, resulting in gross proceeds of approximately $53.4 million. They issued 55,000 shares of Series A preferred stock and warrants to purchase approximately 4.86 million shares of common stock.
  • Proceeds from the August 2022 private placement were allocated for general corporate purposes, including capital expenditures, working capital, and debt repayment. Proceeds from the March 2023 private placement were used to prepay $75 million of outstanding principal on a term loan.

Inbound Investments

  • Ribbon Communications secured approximately $52 million in a private placement financing of common stock in August 2022, with participation from major shareholders including Neuberger Berman client funds, JPMorgan Chase & Co., and Swarth Investments Ltd.
  • In March 2023, Ribbon completed a private placement that raised about $53.4 million from its three largest stockholders: Neuberger Berman client funds, JPMorgan Chase & Co., and Swarth Investments Ltd.

Outbound Investments

  • Ribbon Communications completed the acquisition of ECI Telecom Group Ltd., a global provider of end-to-end packet-optical transport and SDN/NFV solutions, in March 2020.
  • In December 2020, Ribbon Communications sold its Kandy assets to AVCtechnologies, receiving approximately $45 million in convertible debentures and warrants.

Capital Expenditures

  • Ribbon Communications reported capital expenditures of $2.0 million in the fourth quarter of 2025.
  • For the full fiscal year 2025, capital expenditures amounted to $15 million, with an additional $10 million for an Israeli facility.
  • Management anticipates annual capital expenditures to stabilize at approximately $15 million in the coming years.

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Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

RBBNCSCOCIENADTNCALXEXTRMedian
NameRibbon C.Cisco Sy.Ciena Adtran Calix Extreme . 
Mkt Price2.4782.22496.0215.0947.7317.3732.55
Mkt Cap0.4325.270.31.23.22.32.8
Rev LTM84559,0545,1241,0841,0001,2201,152
Op Inc LTM2113,685420-16213327
FCF LTM2612,24174261116122119
FCF 3Y Avg2012,86951836810385
CFO LTM5113,325930130135148142
CFO 3Y Avg4013,7646616387124105

Growth & Margins

RBBNCSCOCIENADTNCALXEXTRMedian
NameRibbon C.Cisco Sy.Ciena Adtran Calix Extreme . 
Rev Chg LTM1.3%9.0%26.5%17.5%20.3%20.0%18.7%
Rev Chg 3Y Avg1.0%3.8%11.0%3.3%6.7%3.2%3.5%
Rev Chg Q-9.6%9.7%33.1%20.1%32.2%13.8%16.9%
QoQ Delta Rev Chg LTM-2.8%2.4%7.4%4.7%7.1%3.3%4.0%
Op Mgn LTM2.4%23.2%8.2%-1.4%2.1%2.7%2.6%
Op Mgn 3Y Avg1.8%24.2%7.2%-10.6%-0.2%1.5%1.6%
QoQ Delta Op Mgn LTM-1.8%0.7%1.7%2.1%2.9%-0.1%1.2%
CFO/Rev LTM6.1%22.6%18.1%12.0%13.5%12.1%12.8%
CFO/Rev 3Y Avg4.7%24.3%14.3%6.5%9.0%9.5%9.3%
FCF/Rev LTM3.1%20.7%14.5%5.6%11.6%10.0%10.8%
FCF/Rev 3Y Avg2.4%22.7%11.2%0.7%7.1%7.7%7.4%

Valuation

RBBNCSCOCIENADTNCALXEXTRMedian
NameRibbon C.Cisco Sy.Ciena Adtran Calix Extreme . 
Mkt Cap0.4325.270.31.23.22.32.8
P/S0.55.513.71.13.21.92.5
P/EBIT-2,345.822.5196.1-101.2152.063.943.2
P/E10.929.4306.8-26.4178.4254.4103.9
P/CFO8.424.475.69.323.615.719.7
Total Yield9.1%5.4%0.3%-3.8%0.6%0.4%0.5%
Dividend Yield0.0%2.0%0.0%0.0%0.0%0.0%0.0%
FCF Yield 3Y Avg3.5%5.4%4.4%-0.3%2.3%4.5%3.9%
D/E0.90.10.00.20.00.10.1
Net D/E0.70.00.00.1-0.1-0.00.0

Returns

RBBNCSCOCIENADTNCALXEXTRMedian
NameRibbon C.Cisco Sy.Ciena Adtran Calix Extreme . 
1M Rtn17.6%5.5%47.0%51.8%-5.6%19.9%18.7%
3M Rtn-10.5%11.9%115.1%71.3%-7.8%11.2%11.5%
6M Rtn-31.4%22.3%218.1%75.3%-17.3%-10.8%5.7%
12M Rtn-28.5%46.7%743.9%98.0%41.9%50.9%48.8%
3Y Rtn-16.3%75.9%857.6%43.7%-7.1%-10.5%18.3%
1M Excs Rtn9.2%5.2%45.3%46.8%-7.0%18.6%13.9%
3M Excs Rtn-10.0%13.3%121.8%72.4%-5.8%11.1%12.2%
6M Excs Rtn-35.2%17.2%209.7%65.1%-21.3%-16.5%0.4%
12M Excs Rtn-62.0%21.3%781.2%71.6%15.9%23.4%22.4%
3Y Excs Rtn-90.5%6.2%784.0%-65.5%-80.4%-73.5%-69.5%

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Cloud and Edge478508557583563
Internet Protocol (IP) Optical Networks349312288261 
Total826820845844563


Price Behavior

Price Behavior
Market Price$2.47 
Market Cap ($ Bil)0.4 
First Trading Date05/25/2000 
Distance from 52W High-41.9% 
   50 Days200 Days
DMA Price$2.23$3.18
DMA Trenddowndown
Distance from DMA10.6%-22.3%
 3M1YR
Volatility78.1%56.3%
Downside Capture0.821.09
Upside Capture156.20112.28
Correlation (SPY)11.9%33.8%
RBBN Betas & Captures as of 3/31/2026

 1M2M3M6M1Y3Y
Beta2.960.270.661.211.281.57
Up Beta-1.65-12.55-8.96-3.050.901.18
Down Beta2.201.421.852.271.411.57
Up Capture579%137%118%85%106%428%
Bmk +ve Days7162765139424
Stock +ve Days10192755120354
Down Capture240%188%199%182%147%112%
Bmk -ve Days12233358110323
Stock -ve Days11213161119359

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with RBBN
RBBN-24.1%57.4%-0.25-
Sector ETF (XLI)49.1%17.9%2.0831.7%
Equity (SPY)31.2%17.3%1.4739.9%
Gold (GLD)60.1%27.8%1.69-5.1%
Commodities (DBC)29.8%16.6%1.586.3%
Real Estate (VNQ)21.3%15.2%1.0720.8%
Bitcoin (BTCUSD)-4.3%43.7%0.0211.3%

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Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with RBBN
RBBN-21.2%58.0%-0.18-
Sector ETF (XLI)13.1%17.3%0.5937.4%
Equity (SPY)11.1%17.0%0.5044.1%
Gold (GLD)22.1%17.8%1.025.0%
Commodities (DBC)11.8%18.8%0.529.4%
Real Estate (VNQ)3.7%18.8%0.1031.5%
Bitcoin (BTCUSD)4.3%56.5%0.3019.1%

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Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with RBBN
RBBN-10.4%55.3%0.03-
Sector ETF (XLI)13.8%19.9%0.6138.4%
Equity (SPY)13.8%17.9%0.6642.9%
Gold (GLD)14.2%15.9%0.744.3%
Commodities (DBC)8.6%17.6%0.4116.0%
Real Estate (VNQ)5.1%20.7%0.2231.7%
Bitcoin (BTCUSD)67.6%66.9%1.0715.3%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date3312026
Short Interest: Shares Quantity3.2 Mil
Short Interest: % Change Since 31520264.9%
Average Daily Volume0.5 Mil
Days-to-Cover Short Interest5.9 days
Basic Shares Quantity175.7 Mil
Short % of Basic Shares1.8%

Earnings Returns History

Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
2/5/2026-27.9%-28.3%-19.5%
10/22/2025-13.7%-13.7%-31.0%
7/23/2025-8.5%-10.6%-12.0%
4/29/2025-14.4%-17.1%-6.7%
2/12/202515.5%14.3%-8.8%
10/23/20248.2%7.9%13.7%
7/24/2024-17.2%-12.9%-17.0%
4/24/202426.5%23.3%26.5%
...
SUMMARY STATS   
# Positive12107
# Negative121417
Median Positive9.9%12.8%26.5%
Median Negative-10.6%-11.3%-9.3%
Max Positive26.5%23.3%77.7%
Max Negative-27.9%-28.3%-34.4%

SEC Filings

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Report DateFiling DateFiling
12/31/202502/26/202610-K
09/30/202510/23/202510-Q
06/30/202507/24/202510-Q
03/31/202504/30/202510-Q
12/31/202402/27/202510-K
09/30/202410/24/202410-Q
06/30/202407/29/202410-Q
03/31/202405/15/202410-Q
12/31/202302/28/202410-K
09/30/202310/26/202310-Q
06/30/202307/27/202310-Q
03/31/202304/28/202310-Q
12/31/202203/31/202310-K
09/30/202210/28/202210-Q
06/30/202207/28/202210-Q
03/31/202205/10/202210-Q

Insider Activity

Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Infante, Beatriz V DirectSell90820253.988,69034,5971,366,478Form
2Redington, DanEVP, Global SalesDirectSell90820254.1620,00083,252706,019Form
3Redington, DanEVP, Global SalesDirectSell90820254.03155,434626,35257,125Form
4Redington, DanEVP, Global SalesDirectSell90820254.0214,176  Form
5Jpmorgan, Chase & Co Through SubsidiaryBuy41120253.671451190,974,271Form