Institutional shares held 129 Million
204K calls
300 puts
Total value of holdings $522M
$829K calls
$1K puts
Market Cap $588M
167,532,000 Shares Out.
Institutional ownership 76.72%
# of Institutions 139


Latest Institutional Activity in RBBN

Top Purchases

Q1 2025
Sg Americas Securities, LLC Shares Held: 62.2K ($218K)
Q4 2024
First Eagle Investment Management, LLC Shares Held: 819K ($2.88M)
Q4 2024
Ubs Group Ag Shares Held: 503K ($1.76M)
Q4 2024
Dimensional Fund Advisors LP Shares Held: 6.31M ($22.2M)
Q4 2024
Vanguard Group Inc Shares Held: 7.4M ($26M)

Top Sells

Q1 2025
Assenagon Asset Management S.A. Shares Held: 78.3K ($275K)
Q1 2025
Silverberg Bernstein Capital Management LLC Shares Held: 294K ($1.03M)
Q1 2025
Fifth Third Bancorp Shares Held: 6.48K ($22.7K)
Q1 2025
Rhumbline Advisers Shares Held: 153K ($538K)
Q4 2024
Herald Investment Management LTD Shares Held: 1.12M ($3.94M)

About 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.


Insider Transactions at RBBN

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
1.56M Shares
From 14 Insiders
Grant, award, or other acquisition 28.8K shares
Exercise of conversion of derivative security 1.54M shares
Open market or private purchase 14 shares
Sell / Disposition
508K Shares
From 8 Insiders
Open market or private sale 5.8K shares
Payment of exercise price or tax liability 502K shares

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P - Open market or private purchase×
S - Open market or private sale×
V - Transaction voluntarily reported earlier than required×
A - Grant, award, or other acquisition×
D - Sale (or disposition) back to the issuer×
F - Payment of exercise price or tax liability×
I - Discretionary transaction×
M - Exercise of conversion of derivative security×
C - Conversion of derivative security×
E - Expiration of short derivative position×
H - Expiration (or cancellation) of long derivative position with value received×
O - Exercise of out-of-the-money derivative securities×
X - Exercise of in-the-money or at-the-money derivatives securities×
G - Bona fide gift×
L - Small Acquisition×
W - Acquisition or disposition by will or laws×
Z - Deposit into or withdrawal from voting trust×
J - Other acquisition or disposition×
K - Transaction in equity swap or similar instrument×
U - Disposition due to a tender of shares in a change of control transaction×
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