Ribbon Communications Inc. (RBBN)
NasdaqGS
Price as at 1 Oct 2026, 00:08 UTC. Quotes are delayed.
Fundamentals
Valuation and ratings
Ribbon Communications Inc. trades at $1.76. We do not hold enough of the inputs to value this company with the confidence the estimate implies, so we publish no fair value for it rather than a number we would not defend.
About Ribbon Communications Inc.
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, solutions, and services for 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 controllers; and network transformation products, such as call controllers, media gateways, and application servers. This segment serves private, public, hybrid cloud infrastructures, as well as data centers, enterprise premises, and service provider networks. The IP Optical Networks segment provides hardware and software products and solutions for IP networking, switching, routing, and optical transport for technologies comprising 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, multi-service access, 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. 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.
Company profile, industry and headcount are as reported by our data provider and can lag a company's own filings by a reporting period. The annual report is the authority.
Super investor ownership
7 of the funds we track reported a position in their latest SEC 13F filing. Largest first:
- D. E. Shaw, D. E. Shaw & Co., Inc.$4.19M · 0.0% of book
- Cliff Asness, AQR CAPITAL MANAGEMENT LLC$3.30M · 0.0% of book
- Ken Griffin, CITADEL ADVISORS LLC$2.90M · 0.0% of book
- Arrowstreet Capital, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$2.84M · 0.0% of book
- Marshall Wace, MARSHALL WACE, LLP$1.91M · 0.0% of book
A word of warning on reading these figures: a 13F reports the market value of a holding, so a fund that traded nothing at all still appears to have sold when the price fell. We found 102 companies where the standard reading gives the opposite answer. Only the share count is honest.
Common questions
Which funds own RBBN?
7 of the institutions we track reported a position in RBBN in their most recent SEC 13F filing. A 13F is filed up to 45 days after quarter end, so it tells you what a fund held then, not what it holds now.
Where does SteadyShares get its RBBN data?
Fundamentals for RBBN come from company filings and exchange data, as listed on NasdaqGS; institutional ownership comes from SEC 13F filings. The share price shown was last refreshed on 1 Oct 2026, 00:08 UTC and is delayed. Metrics we do not hold are left out of the page rather than estimated.
The full research page for RBBN, with financial statements, ownership detail, peer comparison and alerts, is free inside the app.
Data from company filings, exchange quotes and SEC EDGAR 13F disclosures. Quotes are delayed. Metrics we do not have are left out rather than estimated. Educational information, not financial advice.