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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 160 | $289.8M |
| Q1 2026 | 150 | $268.2M |
| Q4 2025 | 153 | $369.2M |
| Q3 2025 | 153 | $488.6M |
| Q2 2025 | 145 | $508.9M |
| Q1 2025 | 144 | $495.2M |
| Q4 2024 | 133 | $519.8M |
| Q3 2024 | 126 | $402.3M |
| Q2 2024 | 129 | $424.9M |
| Q1 2024 | 132 | $397.7M |
| Q4 2023 | 125 | $372.7M |
| Q3 2023 | 122 | $341.2M |
| Q2 2023 | 127 | $353.2M |
| Q1 2023 | 145 | $422.5M |
| Q4 2022 | 130 | $329.3M |
| Q3 2022 | 129 | $262.9M |
| Q2 2022 | 132 | $306.6M |
| Q1 2022 | 136 | $308.9M |
| Q4 2021 | 129 | $600.0M |
| Q3 2021 | 124 | $580.4M |
| Q2 2021 | 127 | $748.5M |
| Q1 2021 | 146 | $804.7M |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kennedy Capital Management, Inc. | 309,625 | $863.9K | 0.02% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 323,378 | $902.2K | 0.00% | +47,052+17.0% | Added |
| Brandes Investment Partners, LP | 376,245 | $1.05M | 0.02% | +29,041+8.4% | Added |
| Cowen Prime Advisors LLC | 386,603 | $1.08M | 0.37% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 400,528 | $1.12M | 0.01% | +94,505+30.9% | Added |
| Federated Hermes, Inc. | 422,965 | $1.18M | 0.00% | −218−0.1% | Reduced |
| Acadian Asset Management LLC | 622,494 | $1.74M | 0.01% | +345,590+124.8% | Added |
| Charles Schwab Investment Management Inc | 659,524 | $1.84M | 0.00% | +38,127+6.1% | Added |
| Nuveen Asset Management, LLC | 696,872 | $1.94M | 0.00% | +32,968+5.0% | Added |
| D. E. Shaw & Co., Inc. | 711,124 | $1.98M | 0.00% | −256,183−26.5% | Reduced |
| Northern Trust Corp | 855,732 | $2.39M | 0.00% | +195,041+29.5% | Added |
| Intrinsic Edge Capital Management LLC | 1,010,717 | $2.82M | 0.22% | −300,000−22.9% | Reduced |
| Royce & Associates LP | 1,051,500 | $2.93M | 0.03% | +475,000+82.4% | Added |
| Arrowstreet Capital, Limited Partnership | 1,071,142 | $2.99M | 0.00% | +168,886+18.7% | Added |
| Penserra Capital Management LLC | 1,105,218 | $3.08M | 0.06% | −367,950−25.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,268,873 | $3.54M | 0.02% | +301,512+31.2% | Added |
| Herald Investment Management Ltd | 1,415,869 | $3.94M | 0.76% | 00.0% | Unchanged |
| State Street Corp | 1,697,009 | $4.73M | 0.00% | +84,466+5.2% | Added |
| First Wilshire Securities Management Inc | 1,807,853 | $5.04M | 1.73% | +23,270+1.3% | Added |
| Putnam Investments LLC | 1,822,973 | $5.09M | 0.01% | +203,970+12.6% | Added |
| Geode Capital Management, LLC | 1,854,548 | $5.17M | 0.00% | +217,529+13.3% | Added |
| Dimensional Fund Advisors LP | 4,552,971 | $12.7M | 0.00% | +585,999+14.8% | Added |
| Vanguard Group Inc | 6,827,179 | $19.0M | 0.00% | +1,434,479+26.6% | Added |
| Paradigm Capital Management Inc | 7,018,353 | $19.6M | 1.12% | +340,000+5.1% | Added |
| BlackRock Inc. | 7,208,048 | $20.1M | 0.00% | +1,098,904+18.0% | Added |
| Neuberger Berman Group LLC | 17,514,024 | $63.7M | 0.06% | +1,860,919+11.9% | Added |
| JPMorgan Chase & Co | 51,595,932 | $144.0M | 0.02% | 00.0% | Unchanged |
| AMH Equity Ltd | 0 | $0 | 0.00% | −1,440,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −367,742−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −309,673−100.0% | Sold out |
| Westerly Capital Management, LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| SG Capital Management LLC | 0 | $0 | 0.00% | −198,189−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −138,429−100.0% | Sold out |
| Range Financial Group LLC | 0 | $0 | 0.00% | −132,390−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −107,300−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −97,448−100.0% | Sold out |
| Meridian Wealth Advisors, LLC | 0 | $0 | 0.00% | −64,866−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −44,684−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −44,022−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −40,657−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −30,963−100.0% | Sold out |
| Scotia Capital Inc. | 0 | $0 | 0.00% | −28,701−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −25,522−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −20,376−100.0% | Sold out |
| CM Wealth Advisors LLC | 0 | $0 | 0.00% | −29,241−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −18,311−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −14,929−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −11,395−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −11,183−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −10,135−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| WR Wealth Planners, LLC | 0 | $0 | 0.00% | −1,112−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −267−100.0% | Sold out |
| Armstrong Advisory Group, Inc | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −140−100.0% | Sold out |
| Zebra Capital Management LLC | – | – | – | – | Not filed |
| Harvest Group Wealth Management, LLC | – | – | – | – | Not filed |