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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, Q3 2024

Institutional positions in Ribbon Communications Inc. as of Sep 30, 2024. 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
126
−2 vs. Q2 2024
Shares held
124.9M
+8.60M (+7.4%) vs. Q2 2024
Total value
$402.3M
+$1.72M (+0.4%) vs. Q2 2024
New holders
9
45 more added
Sold out
11
40 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 126 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 heldQ3 2024: $402.3M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q2 2024.

Institutions holding RBBN in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
JPMorgan Chase & Co52,037,577$169.1M0.01%−1500.0%Reduced
Neuberger Berman Group LLC18,538,406$56.5M0.04%+758,588+4.3%Added
Paradigm Capital Management Inc10,592,700$34.4M1.53%+46,300+0.4%Added
BlackRock, Inc.7,681,759$25.0M0.00%+7,681,759New
Vanguard Group Inc7,106,549$23.1M0.00%+95,027+1.4%Added
Dimensional Fund Advisors LP6,012,630$19.5M0.00%+233,214+4.0%Added
Royce & Associates LP2,536,278$8.24M0.07%+386,518+18.0%Added
Geode Capital Management, LLC2,101,366$6.83M0.00%+27,999+1.4%Added
State Street Corp1,898,714$6.17M0.00%+7,963+0.4%Added
Franklin Resources Inc1,482,698$4.89M0.00%−340,204−18.7%Reduced
Herald Investment Management Ltd1,415,869$4.59M0.79%00.0%Unchanged
First Wilshire Securities Management Inc1,169,735$3.80M1.07%+500.0%Added
Brandes Investment Partners, LP808,799$2.63M0.03%+55,796+7.4%Added
Northern Trust Corp771,702$2.51M0.00%+17,952+2.4%Added
Charles Schwab Investment Management Inc762,892$2.48M0.00%+13,984+1.9%Added
Arrowstreet Capital, Limited Partnership690,070$2.24M0.00%−35,203−4.9%Reduced
Victory Capital Management Inc504,503$1.64M0.00%+188,077+59.4%Added
Federated Hermes, Inc.433,174$1.41M0.00%+969+0.2%Added
Connor, Clark & Lunn Investment Management Ltd.416,356$1.35M0.01%+46,476+12.6%Added
Jacobs Levy Equity Management, Inc409,376$1.33M0.01%−350,847−46.2%Reduced
Morgan Stanley403,798$1.31M0.00%+122,753+43.7%Added
D. E. Shaw & Co., Inc.384,500$1.25M0.00%−79,031−17.0%Reduced
Goldman Sachs Group Inc370,626$1.20M0.00%+122,962+49.6%Added
Silverberg Bernstein Capital Management LLC366,010$1.19M1.09%−26,001−6.6%Reduced
Bank of New York Mellon Corp365,169$1.19M0.00%−69,035−15.9%Reduced
UBS Asset Management Americas Inc357,602$1.16M0.00%+824+0.2%Added
White Pine Capital LLC354,861$1.15M0.39%+125,510+54.7%Added
Nuveen Asset Management, LLC348,828$1.13M0.00%−2,910−0.8%Reduced
Pacific Ridge Capital Partners, LLC237,325$771.3K0.18%+15,991+7.2%Added
Squarepoint Ops LLC210,602$684.5K0.00%−8,793−4.0%Reduced
Invesco Ltd.209,028$679.3K0.00%−54,770−20.8%Reduced
Swiss National Bank185,474$602.8K0.00%00.0%Unchanged
Panagora Asset Management Inc180,996$588.2K0.00%−14,513−7.4%Reduced
Barclays PLC170,110$552.9K0.00%+102,969+153.4%Added
UBS Group AG167,617$544.8K0.00%+77,879+86.8%Added
Rhumbline Advisers141,704$460.5K0.00%−10,915−7.2%Reduced
Ameriprise Financial Inc132,999$432.2K0.00%00.0%Unchanged
Assenagon Asset Management S.A.129,984$422.4K0.00%+20,826+19.1%Added
Voya Investment Management LLC119,699$389.0K0.00%−24,095−16.8%Reduced
Boothbay Fund Management, LLC117,841$383.0K0.01%+57,320+94.7%Added
Alliancebernstein L.P.103,110$335.1K0.00%−59−0.1%Reduced
Bank of America Corp97,891$318.1K0.00%−4,718−4.6%Reduced
American Century Companies Inc97,544$317.0K0.00%−174−0.2%Reduced
Gsa Capital Partners LLP90,043$293.0K0.02%−8,143−8.3%Reduced
California State Teachers Retirement System90,044$292.6K0.00%−2,116−2.3%Reduced
SG Capital Management LLC88,110$286.4K0.04%00.0%Unchanged
Citigroup Inc83,571$271.6K0.00%+45,208+117.8%Added
Citadel Advisors LLC81,256$264.1K0.00%−154,423−65.5%Reduced
SEI Investments Co80,367$261.2K0.00%+2,507+3.2%Added
Los Angeles Capital Management LLC79,920$259.7K0.00%−27,200−25.4%Reduced
Algert Global LLC76,269$247.9K0.01%−152,058−66.6%Reduced
Jane Street Group, LLC75,290$244.7K0.00%−19,588−20.6%Reduced
First Eagle Investment Management, LLC71,279$231.7K0.00%+71,279New
Legal & General Group Plc67,303$218.7K0.00%00.0%Unchanged
Meridian Wealth Advisors, LLC64,866$210.8K0.04%00.0%Unchanged
Public Employees Retirement System of Ohio58,636$190.6K0.00%00.0%Unchanged
Price T Rowe Associates Inc57,626$188.0K0.00%+574+1.0%Added
Two Sigma Advisers, LP57,800$187.8K0.00%−53,600−48.1%Reduced
Deutsche Bank AG54,499$177.1K0.00%+13,985+34.5%Added
Envestnet Asset Management Inc54,441$176.9K0.00%+8,525+18.6%Added
Mirae Asset Global ETFs Holdings Ltd.50,296$163.5K0.00%+4,740+10.4%Added
Sanctuary Advisors, LLC40,908$159.5K0.00%−1,326−3.1%Reduced
Corebridge Financial, Inc.48,947$159.1K0.00%+210+0.4%Added
Wells Fargo & Company47,686$155.0K0.00%+1,840+4.0%Added
Atria Investments LLC46,886$152.4K0.00%−10,321−18.0%Reduced
Engineers Gate Manager LP41,395$134.5K0.00%−13,383−24.4%Reduced
Prelude Capital Management, LLC40,900$132.9K0.01%+25,200+160.5%Added
HSBC Holdings PLC38,596$125.6K0.00%−4,390−10.2%Reduced
State Board of Administration of Florida Retirement System37,543$122.0K0.00%00.0%Unchanged
Russell Investments Group, Ltd.37,365$121.4K0.00%−12,684−25.3%Reduced
Manufacturers Life Insurance Company, The36,756$119.5K0.00%−1,038−2.7%Reduced
Janus Henderson Group PLC35,625$115.6K0.00%00.0%Unchanged
SG Americas Securities, LLC34,793$113.0K0.00%+15,604+81.3%Added
Worth Venture Partners, LLC34,609$112.5K0.84%−2,729−7.3%Reduced
MetLife Investment Management30,571$99.4K0.00%−22,300−42.2%Reduced
Arizona State Retirement System27,542$89.5K0.00%+988+3.7%Added
Palisade Capital Management LLC27,500$89.4K0.00%−2,500−8.3%Reduced
Susquehanna International Group, LLP27,097$88.1K0.00%+15,158+127.0%Added
Essex Financial Services, Inc.24,126$82.5K0.01%+125+0.5%Added
Millennium Management LLC25,371$82.5K0.00%−11,147−30.5%Reduced
HighTower Advisors, LLC25,148$82.0K0.00%−240−0.9%Reduced
New York State Common Retirement Fund22,549$73.3K0.00%00.0%Unchanged
Vista Investment Partners LLC20,400$66.3K0.02%00.0%Unchanged
BNP Paribas Arbitrage, SA19,392$63.0K0.00%+1,628+9.2%Added
LPL Financial LLC19,090$62.0K0.00%+2,503+15.1%Added
Ironwood Investment Management LLC18,925$61.5K0.03%+160+0.9%Added
STRS Ohio17,600$57.2K0.00%00.0%Unchanged
ProShare Advisors LLC17,297$56.2K0.00%+5,399+45.4%Added
Two Sigma Investments, LP14,359$46.7K0.00%−19,447−57.5%Reduced
Vestmark Advisory Solutions, Inc.13,803$44.9K0.00%00.0%Unchanged
NewEdge Wealth, LLC13,803$44.9K0.00%00.0%Unchanged
Fifth Third Bancorp12,887$41.9K0.00%+12,887New
Intech Investment Management LLC10,523$34.2K0.00%+10,523New
Lazard Asset Management LLC10,473$34.0K0.00%+10,473New
Grimes & Company, Inc.10,030$32.6K0.00%00.0%Unchanged
Fortis Advisors, LLC10,000$32.5K0.02%00.0%Unchanged
Kathmere Capital Management, LLC10,000$32.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)9,694$31.5K0.00%−6,627−40.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)9,296$30.2K0.00%00.0%Unchanged
Royal Bank of Canada9,328$30.0K0.00%+807+9.5%Added