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 2021
Institutional positions in Ribbon Communications Inc. as of Sep 30, 2021. 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
- 124
- −2 vs. Q2 2021
- Shares held
- 97.1M
- −1.15M (−1.2%) vs. Q2 2021
- Total value
- $580.4M
- −$167.0M (−22.3%) vs. Q2 2021
- New holders
- 14
- 43 more added
- Sold out
- 16
- 35 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 338,042 | $2.02M | 0.00% | +13,780+4.2% | Added |
| D. E. Shaw & Co., Inc. | 406,918 | $2.43M | 0.00% | +9,897+2.5% | Added |
| Putnam Investments LLC | 475,400 | $2.84M | 0.00% | −19,100−3.9% | Reduced |
| Hillsdale Investment Management Inc. | 578,800 | $3.46M | 0.27% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 622,097 | $3.72M | 0.03% | −6,378−1.0% | Reduced |
| Charles Schwab Investment Management Inc | 716,295 | $4.28M | 0.00% | +3,559+0.5% | Added |
| Arrowstreet Capital, Limited Partnership | 743,708 | $4.45M | 0.01% | −311,148−29.5% | Reduced |
| Nuveen Asset Management, LLC | 750,119 | $4.49M | 0.00% | −103,737−12.1% | Reduced |
| Penserra Capital Management LLC | 806,280 | $4.82M | 0.10% | +12,479+1.6% | Added |
| Northern Trust Corp | 821,846 | $4.92M | 0.00% | −12,335−1.5% | Reduced |
| Impax Asset Management Group plc | 1,087,819 | $6.50M | 0.03% | −595,292−35.4% | Reduced |
| Herald Investment Management Ltd | 1,088,000 | $6.51M | 1.07% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,705,691 | $10.2M | 0.00% | +35,117+2.1% | Added |
| State Street Corp | 1,716,105 | $10.3M | 0.00% | −4,180−0.2% | Reduced |
| First Trust Advisors LP | 1,807,759 | $10.8M | 0.01% | +388,414+27.4% | Added |
| Ophir Asset Management Pty Ltd | 2,467,456 | $14.8M | 2.04% | −232,070−8.6% | Reduced |
| Neuberger Berman Group LLC | 3,038,827 | $18.0M | 0.02% | −69,851−2.2% | Reduced |
| Dimensional Fund Advisors LP | 3,706,264 | $22.2M | 0.01% | −32,269−0.9% | Reduced |
| Vanguard Group Inc | 4,439,993 | $26.6M | 0.00% | −120,704−2.6% | Reduced |
| BlackRock Inc. | 6,431,005 | $38.5M | 0.00% | −155,573−2.4% | Reduced |
| Paradigm Capital Management Inc | 8,485,200 | $50.7M | 2.61% | +60,800+0.7% | Added |
| JPMorgan Chase & Co | 49,949,398 | $298.7M | 0.04% | 00.0% | Unchanged |
| IFP Advisors, Inc | 10 | – | – | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 7,903 | – | – | +7,903 | New |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −189,743−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −80,439−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −52,964−100.0% | Sold out |
| Alpha Paradigm Partners, LLC | 0 | $0 | 0.00% | −50,566−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −40,506−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −23,616−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −23,237−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −18,896−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −15,577−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −11,557−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −1,699−100.0% | Sold out |
| First Command Bank | 0 | $0 | 0.00% | −292−100.0% | Sold out |
| First Command Financial Services, Inc. | 0 | $0 | 0.00% | −292−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −160−100.0% | Sold out |
| Cowen Prime Services LLC | – | – | – | – | Not filed |