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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
Citadel Advisors LLC235,679$775.4K0.00%+160,479+213.4%Added
Goldman Sachs Group Inc247,664$814.8K0.00%+60,624+32.4%Added
Invesco Ltd.263,798$867.9K0.00%+34,383+15.0%Added
Morgan Stanley281,045$924.6K0.00%−13,022−4.4%Reduced
Victory Capital Management Inc316,426$1.04M0.00%−5,118−1.6%Reduced
Nuveen Asset Management, LLC351,738$1.16M0.00%−69,710−16.5%Reduced
UBS Asset Management Americas Inc356,778$1.17M0.00%+179,531+101.3%Added
Connor, Clark & Lunn Investment Management Ltd.369,880$1.22M0.01%+50,041+15.6%Added
Silverberg Bernstein Capital Management LLC392,011$1.29M1.25%−4,600−1.2%Reduced
Federated Hermes, Inc.432,205$1.42M0.00%00.0%Unchanged
Bank of New York Mellon Corp434,204$1.43M0.00%+31,644+7.9%Added
D. E. Shaw & Co., Inc.463,531$1.53M0.00%+101,467+28.0%Added
Brandes Investment Partners, LP753,003$2.38M0.03%−177,776−19.1%Reduced
Arrowstreet Capital, Limited Partnership725,273$2.39M0.00%−83,980−10.4%Reduced
Charles Schwab Investment Management Inc748,908$2.46M0.00%+54,594+7.9%Added
Northern Trust Corp753,750$2.48M0.00%−8,829−1.2%Reduced
Jacobs Levy Equity Management, Inc760,223$2.50M0.01%−45,308−5.6%Reduced
First Wilshire Securities Management Inc1,169,685$3.85M1.18%−4,670−0.4%Reduced
Herald Investment Management Ltd1,415,869$4.63M0.76%00.0%Unchanged
Franklin Resources Inc1,822,902$6.00M0.00%+121,931+7.2%Added
State Street Corp1,890,751$6.22M0.00%+5,526+0.3%Added
Geode Capital Management, LLC2,073,367$6.82M0.00%+32,574+1.6%Added
Royce & Associates LP2,149,760$7.07M0.07%+134,307+6.7%Added
Dimensional Fund Advisors LP5,779,416$19.0M0.00%+270,972+4.9%Added
Vanguard Group Inc7,011,522$23.1M0.00%+78,694+1.1%Added
BlackRock Inc.7,383,934$24.3M0.00%+186,328+2.6%Added
Paradigm Capital Management Inc10,546,400$34.7M1.58%+420,000+4.1%Added
Neuberger Berman Group LLC17,779,818$76.5M0.06%−1,706,991−8.8%Reduced
JPMorgan Chase & Co52,037,727$171.2M0.01%−700.0%Reduced
ExodusPoint Capital Management, LP0$00.00%−45,706−100.0%Sold out
American International Group, Inc.0$00.00%−43,780−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−14,858−100.0%Sold out
Verition Fund Management LLC0$00.00%−13,900−100.0%Sold out
Principal Financial Group Inc0$00.00%−10,413−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−9,250−100.0%Sold out
Quantbot Technologies LP0$00.00%−5,783−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−2,411−100.0%Sold out
Clear Street Markets LLC0$00.00%−1,446−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−1,300−100.0%Sold out
1832 Asset Management L.P.0$00.00%−240−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−153−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−80−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−18−100.0%Sold out
Parallel Advisors, LLC0$00.00%−10−100.0%Sold out
Credit Suisse AG––––Not filed