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 2023
Institutional positions in Ribbon Communications Inc. as of Sep 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
- 122
- −3 vs. Q2 2023
- Shares held
- 121.5M
- +814.9K (+0.7%) vs. Q2 2023
- Total value
- $341.2M
- −$10.5M (−3.0%) vs. Q2 2023
- New holders
- 11
- 44 more added
- Sold out
- 14
- 45 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Connor, Clark & Lunn Investment Management Ltd. | 372,061 | $997.1K | 0.01% | −28,467−7.1% | Reduced |
| Federated Hermes, Inc. | 416,950 | $1.12M | 0.00% | −6,015−1.4% | Reduced |
| Brandes Investment Partners, LP | 447,116 | $1.20M | 0.02% | +70,871+18.8% | Added |
| D. E. Shaw & Co., Inc. | 533,640 | $1.43M | 0.00% | −177,484−25.0% | Reduced |
| Nuveen Asset Management, LLC | 542,151 | $1.45M | 0.00% | −154,721−22.2% | Reduced |
| Charles Schwab Investment Management Inc | 681,498 | $1.83M | 0.00% | +21,974+3.3% | Added |
| Northern Trust Corp | 852,838 | $2.29M | 0.00% | −2,894−0.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 994,111 | $2.66M | 0.02% | −274,762−21.7% | Reduced |
| Intrinsic Edge Capital Management LLC | 1,007,916 | $2.70M | 0.33% | −2,801−0.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,047,446 | $2.81M | 0.00% | −23,696−2.2% | Reduced |
| Herald Investment Management Ltd | 1,415,869 | $3.78M | 0.80% | 00.0% | Unchanged |
| Royce & Associates LP | 1,610,444 | $4.32M | 0.04% | +558,944+53.2% | Added |
| State Street Corp | 1,724,287 | $4.62M | 0.00% | +27,278+1.6% | Added |
| First Wilshire Securities Management Inc | 1,763,972 | $4.73M | 1.62% | −43,881−2.4% | Reduced |
| Geode Capital Management, LLC | 1,922,496 | $5.15M | 0.00% | +67,948+3.7% | Added |
| Putnam Investments LLC | 1,990,732 | $5.34M | 0.01% | +167,759+9.2% | Added |
| Dimensional Fund Advisors LP | 4,922,068 | $13.2M | 0.00% | +369,097+8.1% | Added |
| Vanguard Group Inc | 6,862,311 | $18.4M | 0.00% | +35,132+0.5% | Added |
| BlackRock Inc. | 7,261,304 | $19.5M | 0.00% | +53,256+0.7% | Added |
| Paradigm Capital Management Inc | 7,495,400 | $20.1M | 1.15% | +477,047+6.8% | Added |
| Neuberger Berman Group LLC | 18,885,772 | $66.1M | 0.06% | +1,371,748+7.8% | Added |
| JPMorgan Chase & Co | 51,595,932 | $138.3M | 0.02% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,105,218−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −141,421−100.0% | Sold out |
| IHT Wealth Management, LLC | 0 | $0 | 0.00% | −93,477−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −74,739−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −70,466−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −66,034−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −31,692−100.0% | Sold out |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −18,585−100.0% | Sold out |
| Bulltick Wealth Management, LLC | 0 | $0 | 0.00% | −16,800−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −15,433−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −11,566−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −10,378−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −282−100.0% | Sold out |
| Arlington Partners LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Cowen Prime Advisors LLC | – | – | – | – | Not filed |
| Voce Capital Management LLC | – | – | – | – | Not filed |