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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, Q2 2021

Institutional positions in Ribbon Communications Inc. as of Jun 30, 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
127
−19 vs. Q1 2021
Shares held
98.4M
+337.8K (+0.3%) vs. Q1 2021
Total value
$748.5M
−$56.3M (−7.0%) vs. Q1 2021
New holders
15
47 more added
Sold out
34
38 more reduced

Compare with Q1 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 holdersQ2 2021: 127 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 heldQ2 2021: $748.5M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q1 2021.

Institutions holding RBBN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
STRS Ohio6,500$49.0K0.00%−5,800−47.2%Reduced
Ameritas Investment Partners, Inc.5,864$45.0K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.5,990$45.0K0.00%+5,990New
Federation des caisses Desjardins du Quebec5,600$42.6K0.00%+2,500+80.6%Added
Royal Bank of Canada4,856$37.0K0.00%+4,838+26,877.8%Added
Great West Life Assurance Co3,680$28.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,604$20.0K0.00%−8,471−76.5%Reduced
US Bancorp2,308$18.0K0.00%+692+42.8%Added
Concord Wealth Partners2,146$16.0K0.00%+2,146New
Counterpoint Mutual Funds LLC1,699$13.0K0.01%+1,699New
Community Bank, N.A.1,400$11.0K0.00%00.0%Unchanged
Captrust Financial Advisors1,183$9.00K0.00%−136−10.3%Reduced
Atwood & Palmer Inc739$6.00K0.00%00.0%Unchanged
Parallel Advisors, LLC562$4.00K0.00%00.0%Unchanged
Charter Oak Capital Management, LLC500$4.00K0.00%00.0%Unchanged
Truvestments Capital LLC350$3.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.261$2.00K0.00%00.0%Unchanged
First Command Bank292$2.00K0.00%00.0%Unchanged
First Command Financial Services, Inc.292$2.00K0.00%00.0%Unchanged
Geneos Wealth Management Inc.160$1.00K0.00%00.0%Unchanged
Advisory Services Network, LLC110$1.00K0.00%+110New
Kelly Financial Services LLC1,522$2000.01%+1,322+661.0%Added
UBS Group AG20$00.00%−33,055−99.9%Reduced
The PNC Financial Services Group, Inc.64$00.00%−70−52.2%Reduced
IFP Advisors, Inc10$00.00%00.0%Unchanged
Cypress Point Wealth Management, LLC50$00.00%00.0%Unchanged
TFC Financial Management12$00.00%00.0%Unchanged
Rafferty Asset Management, LLC0$00.00%−355,591−100.0%Sold out
Cerberus Capital Management, L.P.0$00.00%−338,984−100.0%Sold out
EAM Global Investors LLC0$00.00%−215,689−100.0%Sold out
EAM Investors, LLC0$00.00%−153,120−100.0%Sold out
California Public Employees Retirement System0$00.00%−139,800−100.0%Sold out
Ergoteles LLC0$00.00%−125,100−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−107,083−100.0%Sold out
Oberweis Asset Management Inc0$00.00%−101,400−100.0%Sold out
Mackay Shields LLC0$00.00%−70,600−100.0%Sold out
Engineers Gate Manager LP0$00.00%−64,923−100.0%Sold out
Simplex Trading, LLC0$00.00%−52,940−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−38,287−100.0%Sold out
Cipher Capital LP0$00.00%−33,051−100.0%Sold out
Ameriprise Financial Inc0$00.00%−28,169−100.0%Sold out
HRT Financial LP0$00.00%−27,949−100.0%Sold out
Two Sigma Investments, LP0$00.00%−20,283−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−19,787−100.0%Sold out
Wolverine Trading, LLC0$00.00%−18,294−100.0%Sold out
Marshall Wace, LLP0$00.00%−18,082−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−16,845−100.0%Sold out
Aigen Investment Management, LP0$00.00%−14,652−100.0%Sold out
Marshall Wace North America L.P.0$00.00%−14,333−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−13,904−100.0%Sold out
XTX Topco Ltd0$00.00%−13,723−100.0%Sold out
SG Americas Securities, LLC0$00.00%−13,566−100.0%Sold out
Lazard Asset Management LLC0$00.00%−11,966−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−10,400−100.0%Sold out
Meeder Asset Management Inc0$00.00%−2,523−100.0%Sold out
Sowell Financial Services LLC0$00.00%−2,762−100.0%Sold out
Bank of Montreal0$00.00%−1,901−100.0%Sold out
Cutler Group LP0$00.00%−320−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−236−100.0%Sold out
Harbour Investments, Inc.0$00.00%−100−100.0%Sold out
Ameritas Investment Company, LLC0$00.00%−44−100.0%Sold out