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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, Q1 2022

Institutional positions in Ribbon Communications Inc. as of Mar 31, 2022. 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
136
+7 vs. Q4 2021
Shares held
99.9M
+718.9K (+0.7%) vs. Q4 2021
Total value
$308.9M
−$291.1M (−48.5%) vs. Q4 2021
New holders
25
56 more added
Sold out
18
30 more reduced

Compare with Q4 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 holdersQ1 2022: 136 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 heldQ1 2022: $308.9M
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, Q1 2022

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q4 2021.

Institutions holding RBBN in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Invesco Ltd.169,067$522.0K0.00%+96,931+134.4%Added
Parametric Portfolio Associates LLC173,054$535.0K0.00%+38,244+28.4%Added
Two Sigma Investments, LP179,073$553.0K0.00%+179,073New
Globeflex Capital L P197,647$611.0K0.12%00.0%Unchanged
Boothbay Fund Management, LLC217,728$673.0K0.02%+75,329+52.9%Added
AQR Capital Management LLC227,442$703.0K0.00%+227,442New
Swiss National Bank228,474$706.0K0.00%+16,900+8.0%Added
Marshall Wace, LLP230,524$712.0K0.00%+230,524New
Gsa Capital Partners LLP232,049$717.0K0.10%+17,421+8.1%Added
Citadel Advisors LLC248,945$769.0K0.00%+215,684+648.5%Added
Assenagon Asset Management S.A.258,801$800.0K0.00%+207,150+401.1%Added
Engineers Gate Manager LP266,243$823.0K0.03%+187,665+238.8%Added
Arrowstreet Capital, Limited Partnership279,715$864.0K0.00%−81,975−22.7%Reduced
Morgan Stanley298,476$922.0K0.00%−50,390−14.4%Reduced
Hussman Strategic Advisors, Inc.338,000$1.04M0.20%−15,600−4.4%Reduced
BNP Paribas Arbitrage, SA359,101$1.11M0.00%+90,216+33.6%Added
Bridgeway Capital Management, LLC398,513$1.23M0.02%+100,000+33.5%Added
Bank of New York Mellon Corp431,590$1.33M0.00%+7,168+1.7%Added
Jacobs Levy Equity Management, Inc604,672$1.87M0.01%−2860.0%Reduced
Charles Schwab Investment Management Inc768,144$2.37M0.00%+34,974+4.8%Added
Nuveen Asset Management, LLC743,056$2.44M0.00%+10,604+1.4%Added
Northern Trust Corp796,317$2.46M0.00%−19,230−2.4%Reduced
D. E. Shaw & Co., Inc.959,288$2.96M0.00%+491,397+105.0%Added
Herald Investment Management Ltd1,088,000$3.36M0.61%00.0%Unchanged
Penserra Capital Management LLC1,106,576$3.42M0.08%−83,600−7.0%Reduced
Federated Hermes, Inc.1,293,213$4.00M0.01%+1,293,212+129,321,200.0%Added
First Wilshire Securities Management Inc1,455,365$4.50M1.58%+1,023,449+237.0%Added
State Street Corp1,730,887$5.35M0.00%+53,911+3.2%Added
Geode Capital Management, LLC1,795,508$5.55M0.00%+69,460+4.0%Added
First Trust Advisors LP2,444,168$7.55M0.01%+921,186+60.5%Added
Neuberger Berman Group LLC3,487,253$10.8M0.01%−81,489−2.3%Reduced
Dimensional Fund Advisors LP3,704,671$11.4M0.00%+72,194+2.0%Added
Vanguard Group Inc4,650,435$14.4M0.00%−10,203−0.2%Reduced
BlackRock Inc.6,649,989$20.5M0.00%+80,750+1.2%Added
Paradigm Capital Management Inc8,484,000$26.2M1.42%+7,400+0.1%Added
JPMorgan Chase & Co49,953,259$154.4M0.02%+3,8610.0%Added
Ophir Asset Management Pty Ltd0$00.00%−2,667,456−100.0%Sold out
Impax Asset Management Group plc0$00.00%−1,087,819−100.0%Sold out
Putnam Investments LLC0$00.00%−595,100−100.0%Sold out
Hillsdale Investment Management Inc.0$00.00%−578,300−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−80,179−100.0%Sold out
Mackenzie Financial Corp0$00.00%−70,026−100.0%Sold out
Vident Investment Advisory, LLC0$00.00%−55,096−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−35,900−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−31,484−100.0%Sold out
HRT Financial LP0$00.00%−25,446−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−24,700−100.0%Sold out
Alpha Paradigm Partners, LLC0$00.00%−21,314−100.0%Sold out
Cutler Group LP0$00.00%−2,830−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−802−100.0%Sold out
Parallel Advisors, LLC0$00.00%−562−100.0%Sold out
Truvestments Capital LLC0$00.00%−350−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−80−100.0%Sold out
Paragon Capital Management Ltd0$00.00%−60−100.0%Sold out