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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 2023

Institutional positions in Ribbon Communications Inc. as of Jun 30, 2023. 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
−16 vs. Q1 2023
Shares held
121.3M
+1.70M (+1.4%) vs. Q1 2023
Total value
$353.2M
−$69.1M (−16.4%) vs. Q1 2023
New holders
12
59 more added
Sold out
28
30 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 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 2023: $353.2M
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 2023

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q1 2023.

Institutions holding RBBN in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
JPMorgan Chase & Co51,595,932$144.0M0.02%00.0%Unchanged
Neuberger Berman Group LLC17,514,024$63.7M0.06%+1,860,919+11.9%Added
BlackRock Inc.7,208,048$20.1M0.00%+1,098,904+18.0%Added
Paradigm Capital Management Inc7,018,353$19.6M1.12%+340,000+5.1%Added
Vanguard Group Inc6,827,179$19.0M0.00%+1,434,479+26.6%Added
Dimensional Fund Advisors LP4,552,971$12.7M0.00%+585,999+14.8%Added
Geode Capital Management, LLC1,854,548$5.17M0.00%+217,529+13.3%Added
Putnam Investments LLC1,822,973$5.09M0.01%+203,970+12.6%Added
First Wilshire Securities Management Inc1,807,853$5.04M1.73%+23,270+1.3%Added
State Street Corp1,697,009$4.73M0.00%+84,466+5.2%Added
Herald Investment Management Ltd1,415,869$3.94M0.76%00.0%Unchanged
Jacobs Levy Equity Management, Inc1,268,873$3.54M0.02%+301,512+31.2%Added
Penserra Capital Management LLC1,105,218$3.08M0.06%−367,950−25.0%Reduced
Arrowstreet Capital, Limited Partnership1,071,142$2.99M0.00%+168,886+18.7%Added
Royce & Associates LP1,051,500$2.93M0.03%+475,000+82.4%Added
Intrinsic Edge Capital Management LLC1,010,717$2.82M0.22%−300,000−22.9%Reduced
Northern Trust Corp855,732$2.39M0.00%+195,041+29.5%Added
D. E. Shaw & Co., Inc.711,124$1.98M0.00%−256,183−26.5%Reduced
Nuveen Asset Management, LLC696,872$1.94M0.00%+32,968+5.0%Added
Charles Schwab Investment Management Inc659,524$1.84M0.00%+38,127+6.1%Added
Acadian Asset Management LLC622,494$1.74M0.01%+345,590+124.8%Added
Federated Hermes, Inc.422,965$1.18M0.00%−218−0.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.400,528$1.12M0.01%+94,505+30.9%Added
Cowen Prime Advisors LLC386,603$1.08M0.37%00.0%Unchanged
Brandes Investment Partners, LP376,245$1.05M0.02%+29,041+8.4%Added
Bank of New York Mellon Corp323,378$902.2K0.00%+47,052+17.0%Added
Kennedy Capital Management, Inc.309,625$863.9K0.02%00.0%Unchanged
Algert Global LLC265,710$741.3K0.03%+255,330+2,459.8%Added
Goldman Sachs Group Inc241,508$673.8K0.00%−276,737−53.4%Reduced
Morgan Stanley236,647$660.2K0.00%−35,662−13.1%Reduced
White Pine Capital LLC235,533$657.1K0.25%+76,011+47.6%Added
Citadel Advisors LLC234,090$653.1K0.00%−305,237−56.6%Reduced
Two Sigma Advisers, LP213,700$596.2K0.00%−84,400−28.3%Reduced
Credit Suisse AG202,691$565.5K0.00%+115,010+131.2%Added
Swiss National Bank202,674$565.5K0.00%+39,400+24.1%Added
Squarepoint Ops LLC202,456$564.9K0.00%−15,829−7.3%Reduced
Millennium Management LLC184,251$514.1K0.00%−1,380,030−88.2%Reduced
Boothbay Fund Management, LLC180,349$503.2K0.02%−45,077−20.0%Reduced
Los Angeles Capital Management LLC178,275$497.4K0.00%+5,500+3.2%Added
Ameriprise Financial Inc170,426$475.5K0.00%+54,526+47.0%Added
Rhumbline Advisers161,193$449.7K0.00%+44,451+38.1%Added
Voce Capital Management LLC160,119$446.7K0.77%00.0%Unchanged
Engineers Gate Manager LP144,055$401.9K0.02%−3,545−2.4%Reduced
XTX Topco Ltd144,016$401.8K0.07%+16,911+13.3%Added
Tudor Investment Corp Et Al141,421$394.6K0.01%+72,399+104.9%Added
Pacific Ridge Capital Partners, LLC139,369$388.8K0.09%+269+0.2%Added
Two Sigma Investments, LP139,122$388.1K0.00%−266,868−65.7%Reduced
Voya Investment Management LLC137,604$383.9K0.00%+15,907+13.1%Added
Invesco Ltd.127,803$356.6K0.00%+3,219+2.6%Added
Renaissance Technologies LLC122,412$342.0K0.00%+81,512+199.3%Added
New York Life Investment Management LLC120,507$336.2K0.00%−17,627−12.8%Reduced
Bank of America Corp115,196$321.4K0.00%+17,764+18.2%Added
California State Teachers Retirement System111,092$309.9K0.00%+17,746+19.0%Added
AQR Capital Management LLC99,010$276.2K0.00%+99,010New
IHT Wealth Management, LLC93,477$260.8K0.01%+93,477New
Public Employees Retirement System of Ohio91,474$255.0K0.00%+41,408+82.7%Added
UBS Asset Management Americas Inc68,540$234.4K0.00%00.0%Unchanged
Russell Investments Group, Ltd.75,963$211.9K0.00%+1,113+1.5%Added
ExodusPoint Capital Management, LP74,739$209.0K0.00%+20,977+39.0%Added
Price T Rowe Associates Inc74,256$208.0K0.00%+4,185+6.0%Added
Alliancebernstein L.P.73,558$205.2K0.00%+18,433+33.4%Added
Assenagon Asset Management S.A.70,466$196.6K0.00%−114,885−62.0%Reduced
BNP Paribas Arbitrage, SA68,771$191.9K0.00%−1,781−2.5%Reduced
Qube Research & Technologies Ltd67,775$189.1K0.00%−37,367−35.5%Reduced
Legal & General Group Plc67,177$187.2K0.00%+33,799+101.3%Added
Panagora Asset Management Inc66,034$184.2K0.00%−105,530−61.5%Reduced
UBS Group AG64,385$179.6K0.00%+30,714+91.2%Added
Worth Venture Partners, LLC58,671$163.7K0.09%+13,671+30.4%Added
Citigroup Inc57,183$159.5K0.00%+20,866+57.5%Added
SEI Investments Co53,754$149.9K0.00%+27,826+107.3%Added
Deutsche Bank AG51,051$142.4K0.00%−7,647−13.0%Reduced
Susquehanna International Group, LLP46,249$129.0K0.00%−146,214−76.0%Reduced
Barclays PLC45,273$126.3K0.00%−2,443−5.1%Reduced
American International Group, Inc.42,280$118.0K0.00%+7,381+21.1%Added
Palisade Capital Management LLC40,000$111.6K0.00%−150.0%Reduced
MetLife Investment Management38,295$106.8K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The38,032$106.1K0.00%+5,002+15.1%Added
State Board of Administration of Florida Retirement System37,443$104.5K0.00%00.0%Unchanged
Wells Fargo & Company37,301$104.1K0.00%+22,829+157.7%Added
State of Wyoming36,463$101.7K0.03%+36,463New
Janus Henderson Group PLC36,449$101.5K0.00%+268+0.7%Added
American Century Companies Inc34,009$94.9K0.00%+20,505+151.8%Added
New York State Common Retirement Fund32,500$90.7K0.00%−57−0.2%Reduced
Quantbot Technologies LP31,692$88.4K0.01%−27,923−46.8%Reduced
HSBC Holdings PLC27,181$73.5K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.26,343$73.5K0.00%+24,677+1,481.2%Added
Arizona State Retirement System26,143$72.9K0.00%+4,222+19.3%Added
HighTower Advisors, LLC24,917$71.0K0.00%−30−0.1%Reduced
Essex Financial Services, Inc.24,000$67.0K0.01%00.0%Unchanged
Ironwood Investment Management LLC19,895$55.5K0.03%−48−0.2%Reduced
Lido Advisors, LLC18,585$51.9K0.00%+18,585New
Allspring Global Investments Holdings, LLC17,117$47.8K0.00%+17,117New
Bulltick Wealth Management, LLC16,800$46.9K0.01%+16,800New
Raymond James & Associates15,433$43.1K0.00%+15,433New
Victory Capital Management Inc15,095$42.1K0.00%−352−2.3%Reduced
AXA S.A.14,000$39.1K0.00%+14,000New
Zurcher Kantonalbank (Zurich Cantonalbank)12,942$36.1K0.00%00.0%Unchanged
Prelude Capital Management, LLC11,566$32.3K0.00%−3,434−22.9%Reduced
ProShare Advisors LLC11,425$31.9K0.00%+11,425New
Qtron Investments LLC10,961$30.6K0.01%+850+8.4%Added