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Nasdaq · Technology

Ribbon Communications Inc. (RBBN)

As-reported financials and SEC filings for Ribbon Communications Inc. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

About Ribbon Communications Inc.

Ribbon Communications Inc. provides communications technology products and services to service providers and enterprises worldwide. Its offerings include software and high-performance hardware for secure voice and data communications, high-bandwidth networking, and connectivity solutions for residential consumers and various industries such as finance, education, government, utilities, and transportation. The company supports network modernization, 5G deployment, fiber access expansion, cloud communications, and secure infrastructure for critical industries.

Snapshot

Revenue
$844.6M
Revenue growth (YoY)
1.3%
Net income
$39.6M
Diluted EPS
$0.22
Gross margin
49.8%
Operating margin
-0.4%
Net margin
4.7%
FCF margin
3.1%
ROE
8.8%
net income / fiscal-year-end equity
P/E
25.4×
trailing when available, otherwise FY EPS
Market cap
$363.0M
Long-term debt / equity
0.72×
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Ribbon Communications

  • Revenue grew 1.3% to $845M in FY2025, in line with the 0.9% the year before.
  • Operating margin is -0.4% in FY2025, +13.5 pp against -13.9% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $192M, down 12.8% from Q2 FY2025.
  • Free cash flow was $26M in FY2025, 3.1% of revenue.
  • Net income turned positive at $40M in FY2025, from a $54M loss in FY2024.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Ribbon Communications’s fundamentals sit among the 332 software companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin49.8%
30th percentile of 264
Operating margin-0.4%
43rd percentile of 303
Net margin4.7%
57th percentile of 307
FCF margin3.1%
25th percentile of 285
Revenue growth (YoY)+1.3%
25th percentile of 325
ROE8.8%
62nd percentile of 285
P/E25.4×
50th percentile of 169
Long-term debt / equity0.72×
65th percentile of 127
Short interest7.40d
89th percentile of 330

No reported insider transactions (codes P/S) in the last 90 days. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among industry peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 5 quant / multi-strat books among the superinvestors we track; no conviction manager currently reports a position.

Conviction investors
0
+5 quant / multi-strat
Initiated / added
5
1 new, 4 added
Reduced / exited
0
0 trimmed, 0 exited
Combined position
$12.3M
reported long value
InvestorAs ofPosition valueSharesChange
D. E. ShawquantQ2 2026$4.2M1.8MAdded
AQR Capital ManagementquantQ2 2026$3.3M1.4MAdded
Citadel AdvisorsquantQ2 2026$2.9M1.2MAdded
Millennium ManagementquantQ2 2026$1.6M698.5KAdded
Two Sigma InvestmentsquantQ2 2026$239,118102.2KNew

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
4.4M
settled 2026-08-14
Change vs prior
+9.7%
vs previous settlement
Days to cover
7.40
at avg daily volume
Avg daily volume
597.8K
FINRA reported
SettlementShares shortChangeDays to cover
2026-08-144.4M+9.7%7.40
2026-07-314.0M-3.1%4.85
2026-07-154.2M+14.0%5.05
2026-06-303.6M-4.7%4.24
2026-06-153.8M-1.8%4.80
2026-05-293.9M+9.9%2.56
2026-05-153.5M+3.5%5.20
2026-04-303.4M+7.3%2.98

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$844.6M$833.9M$826.3M$819.8M$845.0M
Gross profit$420.7M$439.5M$408.1M$400.9M$444.7M
Operating income$-3.3M$16.9M$-24.3M$-48.3M$-117.8M
Net income$39.6M$-54.2M$-66.2M$-98.1M$-177.2M
Diluted EPS$0.22$-0.31$-0.39$-0.63$-1.20

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Balance sheet (as reported)

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$51.4M$50.2M$17.1M$-26.4M$19.2M
Capital expenditure$25.3M$22.4M$9.4M$10.3M$17.1M
Free cash flow$26.1M$27.8M$7.7M$-36.6M$2.0M

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$192.3M-12.8%$-26.9M$-0.15
Q1 FY2026$162.6M-10.3%$-34.5M$-0.20
Q4 FY2025$227.3M-9.6%$89.1M$0.47
Q3 FY2025$215.4M2.4%$-12.1M$-0.07
Q2 FY2025$220.6M14.5%$-11.1M$-0.06
Q1 FY2025$181.3M0.9%$-26.2M$-0.15
Q4 FY2024$251.4M11.0%$6.4M$0.04
Q3 FY2024$210.2M3.5%$-13.4M$-0.08

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNasdaq
SectorTechnology
SIC industryServices-Computer Integrated Systems Design
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 30, 2026)
Oldest indexed filing2017
SEC CIK1708055

Selected SEC filings

10-K2026-02-26
View on EDGAR →
10-Q2026-07-31
View on EDGAR →
10-Q2026-05-06
View on EDGAR →
10-Q2025-10-23
View on EDGAR →
8-K2026-07-28
View on EDGAR →
8-K2026-06-17
View on EDGAR →
8-K2026-06-05
View on EDGAR →
8-K2026-04-28
View on EDGAR →

Largest software peers

All software stocksAll Technology companies →

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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.