What is the 13F Pro Quality Score for RBBN?

13F Pro ranks Ribbon Communications Inc. (RBBN) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View RBBN's current score at https://13fpro.ai/company/RBBN (free sign-up required for the full ranking).

Which hedge funds own the most RBBN stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of RBBN include JPMORGAN CHASE & CO, Neuberger Berman Group, BlackRock,. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/company/RBBN as soon as new 13F filings post.

Where does 13F Pro source RBBN data?

All Ribbon Communications Inc. fundamentals and ownership data come directly from SEC EDGAR. Ribbon Communications Inc. files with the SEC under CIK 1708055. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is RBBN in?

Ribbon Communications Inc. (RBBN) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

How often is RBBN research updated on 13F Pro?

RBBN's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

Ribbon Communications Inc.(RBBN)Stock Analysis

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Technology →Nasdaqsmall

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SEC EDGAR: CIK 1708055 RBBN stock profile & AI dashboard →

13F Pro Quality Score

40.0/100

Rank #2,125 of 2,962 stocks

View Technology peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.

Revenue Growth

23.6/100

Profitability

54.8/100

Balance Sheet

48.2/100

Earnings Quality

55.1/100

Free Cash Flow

29.2/100

Institutional Flow

15.9/100

Revenue Scale

45.8/100

Dilution Risk

37.8/100

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Why RBBN Scores 40/100

exact factor attribution · 2026-09-11

RBBN's composite is held back by revenue growth and free cash flow. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Profitability

+0.7 pts

55th pct

Earnings quality

+0.5 pts

55th pct

Earnings growth

+0.3 pts

56th pct

Capital efficiency

-0.2 pts

48th pct

Shareholder dilution

-0.6 pts

38th pct

Scale

-0.6 pts

46th pct

Institutional flow

-1.7 pts

16th pct

Free cash flow

-3.1 pts

29th pct

Revenue growth

-5.3 pts

24th pct

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

RBBN Stock Analysis & AI Quality Score

Data updated 2026-09-11

AI stock analysis and institutional research for Ribbon Communications Inc. (RBBN), a Technology sector company. 13F Pro's AI-powered ranking engine scores RBBN at 40.0/100 on a 32-signal composite quality model, placing it at rank #2,125 of 2,962 stocks — the bottom half of the AI-ranked universe. Areas of concern include institutional flow (15.9) and revenue growth (23.6), which score below median versus the broader universe. Shareholder dilution risk is elevated at 37.8/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q2 2026), Ribbon Communications Inc. reports quarterly revenue of $192.3M, net income of $-26.9M, an operating margin of -6.3%. Top institutional holders of RBBN by reported 13-F value include JPMORGAN CHASE, Neuberger Berman Group, BlackRock, based on the most recent SEC filings. RBBN trades on the Nasdaq exchange and files with the SEC under CIK 1708055. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate RBBN daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Ribbon Communications Inc. directly from SEC EDGAR. Ribbon Communications Inc.'s 13F Pro composite quality score has ranged between 27 and 60 since 2021, currently 40.0 — a declining long-term trajectory across 68 quarterly and live scoring snapshots.

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Fun facts about Ribbon Communications Inc.

Quirks, history, and lore behind RBBN — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. technology company · small-cap · listed on Nasdaq · headquartered in Massachusetts.
2
The Numbers
Annual revenue in the range of roughly $200–250 million, with a workforce of a few thousand — small by Big Tech standards but a serious player in a niche infrastructure market.
3
The History
Born from the 2019 merger of two legacy telecom-tech firms — GENBAND and Sonus Networks — stitching together decades of voice-over-IP and session border controller heritage.
4
The Secret
Its gear sits invisibly in the core of carrier and enterprise networks, making sure phone calls, video, and data actually connect — the plumbing nobody thinks about until it breaks.
5
The Lore
It counts major global telcos, governments, and defense agencies among its customers, and its technology helps networks migrate from old-school TDM switching to modern IP infrastructure.
6
The Giveaway
Its ticker is a four-letter bow on a company that makes session border controllers and cloud-native communications software — tying together the old telephone world and the new one.

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Revenue

Q2 2026

$192.3M

Net Income

Q2 2026

$-26.9M

Free Cash Flow

Q2 2026

$-15.8M

Operating Margin

Q2 2026

-6.3%

ROIC

Q2 2026

-6.6%

D/E Ratio

Q2 2026

0.88

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

+1.3% YoY

$844.6MFY 2025

FY22 $819.8MFY23 $826.3MFY24 $833.9MFY25 $844.6M

Net Income

+173.1% YoY

$39.6MFY 2025

FY22 $-98.1MFY23 $-66.2MFY24 $-54.2MFY25 $39.6M

Operating Income

-119.7% YoY

$-3.3MFY 2025

FY22 $-48.3MFY23 $-24.3MFY24 $16.9MFY25 $-3.3M

EPS (Diluted)

+171.0% YoY

$0.22FY 2025

FY22 $-0.63FY23 $-0.39FY24 $-0.31FY25 $0.22

Total Assets

+4.3% YoY

$1.21BFY 2025

FY22 $1.26BFY23 $1.14BFY24 $1.16BFY25 $1.21B

Total Debt

-1.0% YoY

$350.9MFY 2025

FY22 $350.5MFY23 $270.5MFY24 $354.4MFY25 $350.9M

Op. Cash Flow

+2.3% YoY

$51.4MFY 2025

FY22 $-26.4MFY23 $17.1MFY24 $50.2MFY25 $51.4M

Free Cash Flow

-6.4% YoY

$26.1MFY 2025

FY22 $-36.6MFY23 $7.7MFY24 $27.8MFY25 $26.1M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$844.6M +1.3%	$833.9M +0.9%	$826.3M +0.8%	$819.8M -3.0%	$845.0M +0.1%	$843.8M
Net Income	$39.6M +173.1%	$-54.2M +18.1%	$-66.2M +32.5%	$-98.1M +44.6%	$-177.2M -300.0%	$88.6M
Operating Income	$-3.3M -119.7%	$16.9M +169.5%	$-24.3M +49.7%	$-48.3M +59.0%	$-117.8M -7157.9%	$1.7M
EPS (Diluted)	$0.22 +171.0%	$-0.31 +20.5%	$-0.39 +38.1%	$-0.63 +47.5%	$-1.20 -296.7%	$0.61
Total Assets	$1.21B +4.3%	$1.16B +1.6%	$1.14B -8.9%	$1.26B -6.8%	$1.35B -12.9%	$1.55B
Total Debt	$350.9M -1.0%	$354.4M +31.0%	$270.5M -22.8%	$350.5M -5.3%	$370.3M -4.6%	$388.1M
Operating Cash Flow	$51.4M +2.3%	$50.2M +194.0%	$17.1M +164.8%	$-26.4M -237.4%	$19.2M -81.1%	$101.6M
Free Cash Flow	$26.1M -6.4%	$27.8M +261.2%	$7.7M +121.0%	$-36.6M -1886.2%	$2.0M -97.3%	$74.8M

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Available Research

13F Pro tracks comprehensive data for Ribbon Communications Inc. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of RBBN

JPMORGAN CHASE & CO
$115.5M52,042,936 sh
Neuberger Berman Group LLC
$38.7M18,311,073 sh
BlackRock, Inc.
$16.7M7,146,590 sh
DIMENSIONAL FUND ADVISORS LP
$14.7M6,286,323 sh
ROYCE & ASSOCIATES LP
$11.9M5,090,927 sh
VANGUARD CAPITAL MANAGEMENT LLC
$9.2M3,925,626 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$8.2M3,513,067 sh
PARADIGM CAPITAL MANAGEMENT INC/NY
$7.1M3,036,398 sh
GEODE CAPITAL MANAGEMENT, LLC
$5.8M2,485,064 sh
Connor, Clark & Lunn Investment Management Ltd.
$5.2M2,213,134 sh

Fund	Value	Shares
JPMORGAN CHASE & CO	$115.5M	52,042,936
Neuberger Berman Group LLC	$38.7M	18,311,073
BlackRock, Inc.	$16.7M	7,146,590
DIMENSIONAL FUND ADVISORS LP	$14.7M	6,286,323
ROYCE & ASSOCIATES LP	$11.9M	5,090,927
VANGUARD CAPITAL MANAGEMENT LLC	$9.2M	3,925,626
VANGUARD PORTFOLIO MANAGEMENT LLC	$8.2M	3,513,067
PARADIGM CAPITAL MANAGEMENT INC/NY	$7.1M	3,036,398
GEODE CAPITAL MANAGEMENT, LLC	$5.8M	2,485,064
Connor, Clark & Lunn Investment Management Ltd.	$5.2M	2,213,134

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Is RBBN a good stock to buy?

13F Pro's AI-powered analysis of Ribbon Communications Inc. (RBBN) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for RBBN are available on the RBBN stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. RBBN is classified as a small company.

Which hedge funds own RBBN?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling RBBN. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of Ribbon Communications Inc.'s investment landscape.