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Ribbon Communications Inc.

RBBN
Exchange
Nasdaq
Industry
Services-Computer Integrated Systems Design
SEC CIK
0001708055

No open-market purchases or sales by Ribbon Communications Inc. insiders were filed in the last 90 days; 160 institutions reported holding it in 13F filings for Q2 2026, worth $289.8M in total; no superinvestor holds it.

13F holders, Q4 2021

Institutional positions in Ribbon Communications Inc. as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
129
+5 vs. Q3 2021
Shares held
99.2M
+2.11M (+2.2%) vs. Q3 2021
Total value
$600.0M
+$19.6M (+3.4%) vs. Q3 2021
New holders
20
45 more added
Sold out
15
31 more reduced

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RBBN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 129 institutions
Q1 2021: 146 institutionsQ2 2021: 127 institutionsQ3 2021: 124 institutionsQ4 2021: 129 institutionsQ1 2022: 136 institutionsQ2 2022: 132 institutionsQ3 2022: 129 institutionsQ4 2022: 130 institutionsQ1 2023: 145 institutionsQ2 2023: 127 institutionsQ3 2023: 122 institutionsQ4 2023: 125 institutionsQ1 2024: 132 institutionsQ2 2024: 129 institutionsQ3 2024: 126 institutionsQ4 2024: 133 institutionsQ1 2025: 144 institutionsQ2 2025: 145 institutionsQ3 2025: 153 institutionsQ4 2025: 153 institutionsQ1 2026: 150 institutionsQ2 2026: 160 institutions
Value heldQ4 2021: $600.0M
Q1 2021: $804.7MQ2 2021: $748.5MQ3 2021: $580.4MQ4 2021: $600.0MQ1 2022: $308.9MQ2 2022: $306.6MQ3 2022: $262.9MQ4 2022: $329.3MQ1 2023: $422.5MQ2 2023: $353.2MQ3 2023: $341.2MQ4 2023: $372.7MQ1 2024: $397.7MQ2 2024: $424.9MQ3 2024: $402.3MQ4 2024: $519.8MQ1 2025: $495.2MQ2 2025: $508.9MQ3 2025: $488.6MQ4 2025: $369.2MQ1 2026: $268.2MQ2 2026: $289.8M
Institutions holding RBBN and their total value by quarter
QuarterHoldersValue
Q2 2026160$289.8M
Q1 2026150$268.2M
Q4 2025153$369.2M
Q3 2025153$488.6M
Q2 2025145$508.9M
Q1 2025144$495.2M
Q4 2024133$519.8M
Q3 2024126$402.3M
Q2 2024129$424.9M
Q1 2024132$397.7M
Q4 2023125$372.7M
Q3 2023122$341.2M
Q2 2023127$353.2M
Q1 2023145$422.5M
Q4 2022130$329.3M
Q3 2022129$262.9M
Q2 2022132$306.6M
Q1 2022136$308.9M
Q4 2021129$600.0M
Q3 2021124$580.4M
Q2 2021127$748.5M
Q1 2021146$804.7M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2021.

Institutions holding RBBN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BNP Paribas Arbitrage, SA268,885$1.63M0.00%+244,468+1,001.2%Added
Bridgeway Capital Management, LLC298,513$1.81M0.03%+192,813+182.4%Added
Morgan Stanley348,866$2.11M0.00%+227,152+186.6%Added
Hussman Strategic Advisors, Inc.353,600$2.14M0.47%+43,600+14.1%Added
Arrowstreet Capital, Limited Partnership361,690$2.19M0.00%−382,018−51.4%Reduced
Bank of New York Mellon Corp424,422$2.57M0.00%+86,380+25.6%Added
First Wilshire Securities Management Inc431,916$2.61M0.81%+431,916New
D. E. Shaw & Co., Inc.467,891$2.83M0.00%+60,973+15.0%Added
Hillsdale Investment Management Inc.578,300$3.50M0.23%−500−0.1%Reduced
Putnam Investments LLC595,100$3.60M0.01%+119,700+25.2%Added
Jacobs Levy Equity Management, Inc604,958$3.66M0.02%−17,139−2.8%Reduced
Nuveen Asset Management, LLC732,452$4.43M0.00%−17,667−2.4%Reduced
Charles Schwab Investment Management Inc733,170$4.44M0.00%+16,875+2.4%Added
Northern Trust Corp815,547$4.93M0.00%−6,299−0.8%Reduced
Impax Asset Management Group plc1,087,819$6.58M0.02%00.0%Unchanged
Herald Investment Management Ltd1,088,000$6.58M1.07%00.0%Unchanged
Penserra Capital Management LLC1,190,176$7.20M0.15%+383,896+47.6%Added
First Trust Advisors LP1,522,982$9.21M0.01%−284,777−15.8%Reduced
State Street Corp1,676,976$10.1M0.00%−39,129−2.3%Reduced
Geode Capital Management, LLC1,726,048$10.4M0.00%+20,357+1.2%Added
Ophir Asset Management Pty Ltd2,667,456$16.1M1.94%+200,000+8.1%Added
Neuberger Berman Group LLC3,568,742$21.5M0.02%+529,915+17.4%Added
Dimensional Fund Advisors LP3,632,477$22.0M0.01%−73,787−2.0%Reduced
Vanguard Group Inc4,660,638$28.2M0.00%+220,645+5.0%Added
BlackRock Inc.6,569,239$39.7M0.00%+138,234+2.1%Added
Paradigm Capital Management Inc8,476,600$51.3M2.29%−8,600−0.1%Reduced
JPMorgan Chase & Co49,949,398$302.2M0.04%00.0%Unchanged
Federated Hermes, Inc.1––+1New
IFP Advisors, Inc10––00.0%Unchanged
FMR LLC0$00.00%−97,827−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−93,784−100.0%Sold out
PEAK6 Investments LLC0$00.00%−53,278−100.0%Sold out
Winton Group Ltd0$00.00%−47,799−100.0%Sold out
Zacks Investment Management0$00.00%−36,977−100.0%Sold out
Two Sigma Investments, LP0$00.00%−36,942−100.0%Sold out
Principal Street Partners, LLC0$00.00%−32,551−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−30,600−100.0%Sold out
Bulltick Wealth Management, LLC0$00.00%−28,000−100.0%Sold out
Brinker Capital Investments, LLC0$00.00%−10,340−100.0%Sold out
HighVista Strategies LLC0$00.00%−10,011−100.0%Sold out
Concord Wealth Partners0$00.00%−793−100.0%Sold out
Manchester Capital Management LLC0$00.00%−73−100.0%Sold out
Cypress Point Wealth Management, LLC0$00.00%−50−100.0%Sold out
Gotham Asset Management, LLC0$00.00%−7,903−100.0%Sold out