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R

Ribbon Communications RBBN · USD

Information Technology · US listing · 🇺🇸 United States

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1.44

+6.67%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
JPMORGAN CHASE & CO52m29.47%−10030 Jun 2026
NEUBERGER BERMAN GROUP LLC18.3m10.37%+949.1k30 Jun 2026
BLACKROCK, INC.7.1m4.05%+422.6k30 Jun 2026
DIMENSIONAL FUND ADVISORS LP6.3m3.56%−64.8k30 Jun 2026
ROYCE & ASSOCIATES LP5.1m2.88%+211.2k30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC3.9m2.22%−290.8k30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC3.5m1.99%+177.4k30 Jun 2026
PARADIGM CAPITAL MANAGEMENT INC/NY3m1.72%−5m30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC2.5m1.41%+70.5k30 Jun 2026
CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.2.2m1.25%+123.4k30 Jun 2026
STATE STREET CORP1.9m1.09%+20.1k30 Jun 2026
D. E. SHAW & CO., INC.1.8m1.01%+251.9k30 Jun 2026
ACADIAN ASSET MANAGEMENT LLC1.8m1.00%+329.7k30 Jun 2026
AQR CAPITAL MANAGEMENT LLC1.4m0.80%+152.4k30 Jun 2026
FIRST WILSHIRE SECURITIES MANAGEMENT INC1.4m0.80%−2.7k30 Jun 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

5.2m

+3.8% on the period before. 3.4 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

51.6%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 30 Sept 2026257 shares
  • 24 Sept 2026338 shares
  • 17 Sept 2026432 shares
  • 16 Sept 20265,774 shares
  • 26 Aug 20261,536 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.