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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 2024

Institutional positions in Ribbon Communications Inc. as of Jun 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
129
−2 vs. Q1 2024
Shares held
123.7M
−355.3K (−0.3%) vs. Q1 2024
Total value
$424.9M
+$27.9M (+7.0%) vs. Q1 2024
New holders
13
49 more added
Sold out
15
46 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 129 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 2024: $424.9M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q1 2024.

Institutions holding RBBN in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
JPMorgan Chase & Co52,037,727$171.2M0.01%−700.0%Reduced
Neuberger Berman Group LLC17,779,818$76.5M0.06%−1,706,991−8.8%Reduced
Paradigm Capital Management Inc10,546,400$34.7M1.58%+420,000+4.1%Added
BlackRock Inc.7,383,934$24.3M0.00%+186,328+2.6%Added
Vanguard Group Inc7,011,522$23.1M0.00%+78,694+1.1%Added
Dimensional Fund Advisors LP5,779,416$19.0M0.00%+270,972+4.9%Added
Royce & Associates LP2,149,760$7.07M0.07%+134,307+6.7%Added
Geode Capital Management, LLC2,073,367$6.82M0.00%+32,574+1.6%Added
State Street Corp1,890,751$6.22M0.00%+5,526+0.3%Added
Franklin Resources Inc1,822,902$6.00M0.00%+121,931+7.2%Added
Herald Investment Management Ltd1,415,869$4.63M0.76%00.0%Unchanged
First Wilshire Securities Management Inc1,169,685$3.85M1.18%−4,670−0.4%Reduced
Jacobs Levy Equity Management, Inc760,223$2.50M0.01%−45,308−5.6%Reduced
Northern Trust Corp753,750$2.48M0.00%−8,829−1.2%Reduced
Charles Schwab Investment Management Inc748,908$2.46M0.00%+54,594+7.9%Added
Arrowstreet Capital, Limited Partnership725,273$2.39M0.00%−83,980−10.4%Reduced
Brandes Investment Partners, LP753,003$2.38M0.03%−177,776−19.1%Reduced
D. E. Shaw & Co., Inc.463,531$1.53M0.00%+101,467+28.0%Added
Bank of New York Mellon Corp434,204$1.43M0.00%+31,644+7.9%Added
Federated Hermes, Inc.432,205$1.42M0.00%00.0%Unchanged
Silverberg Bernstein Capital Management LLC392,011$1.29M1.25%−4,600−1.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.369,880$1.22M0.01%+50,041+15.6%Added
UBS Asset Management Americas Inc356,778$1.17M0.00%+179,531+101.3%Added
Nuveen Asset Management, LLC351,738$1.16M0.00%−69,710−16.5%Reduced
Victory Capital Management Inc316,426$1.04M0.00%−5,118−1.6%Reduced
Morgan Stanley281,045$924.6K0.00%−13,022−4.4%Reduced
Invesco Ltd.263,798$867.9K0.00%+34,383+15.0%Added
Goldman Sachs Group Inc247,664$814.8K0.00%+60,624+32.4%Added
Citadel Advisors LLC235,679$775.4K0.00%+160,479+213.4%Added
White Pine Capital LLC229,351$754.6K0.29%−50,700−18.1%Reduced
Algert Global LLC228,327$751.2K0.02%+19,775+9.5%Added
Pacific Ridge Capital Partners, LLC221,334$728.2K0.18%+72,743+49.0%Added
Squarepoint Ops LLC219,395$721.8K0.00%−54,980−20.0%Reduced
Panagora Asset Management Inc195,509$643.2K0.00%+4,553+2.4%Added
Swiss National Bank185,474$610.2K0.00%00.0%Unchanged
Rhumbline Advisers152,619$502.1K0.00%+6,668+4.6%Added
Voya Investment Management LLC143,794$473.1K0.00%+145+0.1%Added
Ameriprise Financial Inc132,999$437.6K0.00%−3,295−2.4%Reduced
Two Sigma Advisers, LP111,400$366.5K0.00%−53,800−32.6%Reduced
Assenagon Asset Management S.A.109,158$359.1K0.00%−50,856−31.8%Reduced
Los Angeles Capital Management LLC107,120$352.4K0.00%−13,500−11.2%Reduced
Alliancebernstein L.P.103,169$339.4K0.00%+15,879+18.2%Added
Bank of America Corp102,609$337.6K0.00%−27,173−20.9%Reduced
Gsa Capital Partners LLP98,186$323.0K0.02%−147,357−60.0%Reduced
American Century Companies Inc97,718$321.5K0.00%+1,962+2.0%Added
Jane Street Group, LLC94,878$312.1K0.00%+70,023+281.7%Added
California State Teachers Retirement System92,160$303.2K0.00%−1,587−1.7%Reduced
UBS Group AG89,738$295.2K0.00%−11,964−11.8%Reduced
SG Capital Management LLC88,110$289.9K0.05%00.0%Unchanged
XTX Topco Ltd79,802$262.5K0.02%+4,746+6.3%Added
SEI Investments Co77,860$256.2K0.00%+2,228+2.9%Added
Renaissance Technologies LLC75,212$247.4K0.00%+75,212New
Legal & General Group Plc67,303$220.9K0.00%+1,475+2.2%Added
Barclays PLC67,141$220.9K0.00%−47,744−41.6%Reduced
Meridian Wealth Advisors, LLC64,866$213.4K0.04%00.0%Unchanged
Boothbay Fund Management, LLC60,521$199.1K0.01%+24,130+66.3%Added
Public Employees Retirement System of Ohio58,636$192.9K0.00%−4,608−7.3%Reduced
Atria Investments LLC57,207$188.2K0.00%+57,207New
Price T Rowe Associates Inc57,052$188.0K0.00%+4,517+8.6%Added
Engineers Gate Manager LP54,778$180.2K0.00%−17,606−24.3%Reduced
MetLife Investment Management52,871$173.9K0.00%+9,876+23.0%Added
Russell Investments Group, Ltd.50,049$164.7K0.00%+3,284+7.0%Added
Corebridge Financial, Inc.48,737$160.3K0.00%+48,737New
Envestnet Asset Management Inc45,916$151.1K0.00%−722−1.5%Reduced
Wells Fargo & Company45,846$150.8K0.00%−120−0.3%Reduced
Mirae Asset Global ETFs Holdings Ltd.45,556$149.9K0.00%+45,556New
HSBC Holdings PLC42,986$138.4K0.00%+59+0.1%Added
AQR Capital Management LLC41,758$137.4K0.00%+41,758New
Colony Group, LLC35,090$135.0K0.00%00.0%Unchanged
Deutsche Bank AG40,514$133.3K0.00%+10,495+35.0%Added
Sanctuary Advisors, LLC42,234$132.2K0.00%+42,234New
Citigroup Inc38,363$126.2K0.00%−4,517−10.5%Reduced
Manufacturers Life Insurance Company, The37,794$124.3K0.00%+3,221+9.3%Added
State Board of Administration of Florida Retirement System37,543$123.5K0.00%+100+0.3%Added
Worth Venture Partners, LLC37,338$122.8K0.96%+7,600+25.6%Added
Millennium Management LLC36,518$120.1K0.00%−25,038−40.7%Reduced
Janus Henderson Group PLC35,625$116.8K0.00%−726−2.0%Reduced
Two Sigma Investments, LP33,806$111.2K0.00%−5,306−13.6%Reduced
MQS Management LLC30,348$99.8K0.06%+30,348New
Palisade Capital Management LLC30,000$98.7K0.00%−7,500−20.0%Reduced
Arizona State Retirement System26,554$87.4K0.00%+596+2.3%Added
Quadrature Capital Ltd26,107$85.9K0.00%+26,107New
HighTower Advisors, LLC25,388$84.0K0.00%+337+1.3%Added
New York State Common Retirement Fund22,549$74.2K0.00%+601+2.7%Added
Essex Financial Services, Inc.24,001$70.6K0.01%+10.0%Added
Vista Investment Partners LLC20,400$67.1K0.02%00.0%Unchanged
SG Americas Securities, LLC19,189$63.0K0.00%−14,290−42.7%Reduced
Ironwood Investment Management LLC18,765$61.7K0.03%+73+0.4%Added
BNP Paribas Arbitrage, SA17,764$58.4K0.00%−26,026−59.4%Reduced
STRS Ohio17,600$57.9K0.00%00.0%Unchanged
LPL Financial LLC16,587$54.6K0.00%+1,439+9.5%Added
Tower Research Capital LLC (TRC)16,321$53.7K0.00%+15,776+2,894.7%Added
Prelude Capital Management, LLC15,700$51.7K0.00%+4,700+42.7%Added
NewEdge Wealth, LLC13,803$45.4K0.00%00.0%Unchanged
Vestmark Advisory Solutions, Inc.13,803$45.4K0.00%00.0%Unchanged
Susquehanna International Group, LLP11,939$39.3K0.00%−45,358−79.2%Reduced
ProShare Advisors LLC11,898$39.1K0.00%−4,063−25.5%Reduced
Gladius Capital Management LP10,249$33.7K0.03%+10,249New
Grimes & Company, Inc.10,030$33.0K0.00%00.0%Unchanged
Fortis Advisors, LLC10,000$32.9K0.02%00.0%Unchanged