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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
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
Kelly Financial Services LLC1,522$2000.01%+1,322+661.0%Added
Geneos Wealth Management Inc.160$1.00K0.00%00.0%Unchanged
Advisory Services Network, LLC110$1.00K0.00%+110New
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
Truvestments Capital LLC350$3.00K0.00%00.0%Unchanged
Parallel Advisors, LLC562$4.00K0.00%00.0%Unchanged
Charter Oak Capital Management, LLC500$4.00K0.00%00.0%Unchanged
Atwood & Palmer Inc739$6.00K0.00%00.0%Unchanged
Captrust Financial Advisors1,183$9.00K0.00%−136−10.3%Reduced
Community Bank, N.A.1,400$11.0K0.00%00.0%Unchanged
Counterpoint Mutual Funds LLC1,699$13.0K0.01%+1,699New
Concord Wealth Partners2,146$16.0K0.00%+2,146New
US Bancorp2,308$18.0K0.00%+692+42.8%Added
Tower Research Capital LLC (TRC)2,604$20.0K0.00%−8,471−76.5%Reduced
Great West Life Assurance Co3,680$28.0K0.00%00.0%Unchanged
Royal Bank of Canada4,856$37.0K0.00%+4,838+26,877.8%Added
Federation des caisses Desjardins du Quebec5,600$42.6K0.00%+2,500+80.6%Added
Ameritas Investment Partners, Inc.5,864$45.0K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.5,990$45.0K0.00%+5,990New
STRS Ohio6,500$49.0K0.00%−5,800−47.2%Reduced
Leonteq Securities AG7,500$57.1K0.00%+5,215+228.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)9,296$71.0K0.00%00.0%Unchanged
Grimes & Company, Inc.10,030$76.0K0.00%00.0%Unchanged
Hanlon Investment Management, Inc.10,000$76.0K0.02%00.0%Unchanged
Fortis Advisors, LLC10,000$76.0K0.04%00.0%Unchanged
HighVista Strategies LLC10,011$77.0K0.05%00.0%Unchanged
BNP Paribas Arbitrage, SA10,269$78.1K0.00%−24,812−70.7%Reduced
Brinker Capital Investments, LLC10,340$79.0K0.00%+10,340New
MetLife Investment Management11,468$87.3K0.00%−15,054−56.8%Reduced
Raymond James & Associates11,557$88.0K0.00%−1,723−13.0%Reduced
Bulltick Wealth Management, LLC12,000$91.3K0.02%00.0%Unchanged
Barclays PLC12,645$97.0K0.00%−45,092−78.1%Reduced
Legal & General Group Plc13,751$105.0K0.00%−1,234−8.2%Reduced
SEI Investments Co15,647$112.0K0.00%+3,705+31.0%Added
Prudential Financial Inc15,577$119.0K0.00%+15,577New
PEAK6 Investments LLC16,241$124.0K0.00%−106,724−86.8%Reduced
Metropolitan Life Insurance Co18,484$140.7K0.00%+6,966+60.5%Added
ProShare Advisors LLC18,896$144.0K0.00%+59+0.3%Added
Ironwood Investment Management LLC19,881$151.0K0.08%−455−2.2%Reduced
Susquehanna Fundamental Investments, LLC23,237$177.0K0.00%−27,986−54.6%Reduced
Jane Street Group, LLC23,616$179.0K0.00%+23,616New
Essex Financial Services, Inc.24,000$183.0K0.03%+24,000New
Bank of America Corp24,974$190.0K0.00%−70,619−73.9%Reduced
Arizona State Retirement System25,690$196.0K0.00%+4,527+21.4%Added
Alliancebernstein L.P.27,198$207.0K0.00%−8,888−24.6%Reduced
Principal Street Partners, LLC32,177$245.0K0.06%+32,177New
Zacks Investment Management36,977$281.0K0.00%+36,977New
State Board of Administration of Florida Retirement System37,443$285.0K0.00%00.0%Unchanged
State of Wisconsin Investment Board37,800$288.0K0.00%00.0%Unchanged
HighTower Advisors, LLC38,178$291.0K0.00%+4,136+12.1%Added
American International Group, Inc.39,412$300.0K0.00%−315−0.8%Reduced
AQR Capital Management LLC40,506$308.0K0.00%−27,605−40.5%Reduced
Victory Capital Management Inc41,648$317.0K0.00%+9,164+28.2%Added
Panagora Asset Management Inc41,863$319.0K0.00%−7,490−15.2%Reduced
Manufacturers Life Insurance Company, The41,975$319.0K0.00%+2,131+5.3%Added
Price T Rowe Associates Inc43,932$334.0K0.00%+1,414+3.3%Added
Winton Group Ltd46,286$352.0K0.02%+14,936+47.6%Added
Voya Investment Management LLC46,380$353.0K0.00%−1,313−2.8%Reduced
Massachusetts Financial Services Co46,727$356.0K0.00%+46,727New
IndexIQ Advisors LLC49,277$375.0K0.01%+390+0.8%Added
Alpha Paradigm Partners, LLC50,566$385.0K0.15%+50,566New
Tudor Investment Corp Et Al52,964$403.0K0.01%+32,367+157.1%Added
Wells Fargo & Company53,112$404.0K0.00%+24,438+85.2%Added
Deutsche Bank AG53,554$408.0K0.00%−32,548−37.8%Reduced
Allianz Asset Management GmbH56,201$428.0K0.00%+56,201New
New York State Common Retirement Fund58,268$443.0K0.00%+568+1.0%Added
Credit Suisse AG58,579$445.0K0.00%+9,854+20.2%Added
Public Employees Retirement System of Ohio61,430$467.0K0.00%+3,200+5.5%Added
Mackenzie Financial Corp63,925$486.0K0.00%+16,555+34.9%Added
Meridian Wealth Advisors, LLC64,866$494.0K0.14%00.0%Unchanged
Palisade Capital Management LLC65,000$495.0K0.01%+5,000+8.3%Added
Morgan Stanley66,906$509.0K0.00%−137,376−67.2%Reduced
Citadel Advisors LLC68,367$521.0K0.00%+51,729+310.9%Added
Virginia Retirement Systems Et Al70,000$533.0K0.01%−5,100−6.8%Reduced
Zebra Capital Management LLC76,540$582.0K0.68%+1,648+2.2%Added
Millennium Management LLC80,439$612.0K0.00%−64,573−44.5%Reduced
UBS Asset Management Americas Inc83,679$636.8K0.00%+18,557+28.5%Added
Boothbay Fund Management, LLC94,367$718.0K0.03%+51,315+119.2%Added
Rhumbline Advisers94,996$723.0K0.00%−9,629−9.2%Reduced
California State Teachers Retirement System96,795$737.0K0.00%−5,987−5.8%Reduced
Goldman Sachs Group Inc99,660$758.0K0.00%−45,392−31.3%Reduced
Los Angeles Capital Management LLC104,214$793.0K0.00%−2,750−2.6%Reduced
Bridgeway Capital Management, LLC105,700$804.0K0.01%+10,700+11.3%Added
Principal Financial Group Inc107,026$814.0K0.00%+107,026New
FMR LLC109,527$833.0K0.00%−5,293−4.6%Reduced
Invesco Ltd.119,090$907.0K0.00%+7,361+6.6%Added
Citigroup Inc124,299$946.0K0.00%+87,819+240.7%Added
Pacific Ridge Capital Partners, LLC134,600$1.02M0.19%+22,900+20.5%Added
Parametric Portfolio Associates LLC137,531$1.05M0.00%−5,991−4.2%Reduced
Cowen Prime Services LLC140,719$1.07M0.39%00.0%Unchanged
Cowen Prime Advisors LLC140,719$1.07M0.39%+140,719New
Russell Investments Group, Ltd.145,191$1.10M0.00%−13,567−8.5%Reduced
Group One Trading, L.P.166,267$1.26M0.02%+46,203+38.5%Added