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, Q4 2023
Institutional positions in Ribbon Communications Inc. as of Dec 31, 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
- 125
- +3 vs. Q3 2023
- Shares held
- 122.7M
- +1.14M (+0.9%) vs. Q3 2023
- Total value
- $372.7M
- +$31.5M (+9.2%) vs. Q3 2023
- New holders
- 17
- 44 more added
- Sold out
- 14
- 40 more reduced
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Connor, Clark & Lunn Investment Management Ltd. | 367,638 | $1.07M | 0.00% | −4,423−1.2% | Reduced |
| Morgan Stanley | 387,565 | $1.12M | 0.00% | +182,253+88.8% | Added |
| Silverberg Bernstein Capital Management LLC | 405,593 | $1.18M | 1.12% | +405,593 | New |
| Bank of New York Mellon Corp | 419,751 | $1.22M | 0.00% | +99,530+31.1% | Added |
| Federated Hermes, Inc. | 425,621 | $1.23M | 0.00% | +8,671+2.1% | Added |
| D. E. Shaw & Co., Inc. | 430,612 | $1.25M | 0.00% | −103,028−19.3% | Reduced |
| Nuveen Asset Management, LLC | 466,965 | $1.35M | 0.00% | −75,186−13.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 624,353 | $1.81M | 0.00% | −423,093−40.4% | Reduced |
| Brandes Investment Partners, LP | 640,945 | $1.86M | 0.03% | +193,829+43.4% | Added |
| Charles Schwab Investment Management Inc | 690,263 | $2.00M | 0.00% | +8,765+1.3% | Added |
| Intrinsic Edge Capital Management LLC | 730,717 | $2.12M | 0.23% | −277,199−27.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 850,767 | $2.47M | 0.01% | −143,344−14.4% | Reduced |
| Northern Trust Corp | 862,375 | $2.50M | 0.00% | +9,537+1.1% | Added |
| First Wilshire Securities Management Inc | 1,179,348 | $3.42M | 1.11% | −584,624−33.1% | Reduced |
| Herald Investment Management Ltd | 1,415,869 | $4.11M | 0.78% | 00.0% | Unchanged |
| State Street Corp | 1,757,469 | $5.10M | 0.00% | +33,182+1.9% | Added |
| Royce & Associates LP | 1,844,444 | $5.35M | 0.05% | +234,000+14.5% | Added |
| Putnam Investments LLC | 1,991,344 | $5.77M | 0.01% | +6120.0% | Added |
| Geode Capital Management, LLC | 2,006,688 | $5.82M | 0.00% | +84,192+4.4% | Added |
| Dimensional Fund Advisors LP | 5,155,569 | $15.0M | 0.00% | +233,501+4.7% | Added |
| Vanguard Group Inc | 6,983,212 | $20.3M | 0.00% | +120,901+1.8% | Added |
| BlackRock Inc. | 7,560,299 | $21.9M | 0.00% | +298,995+4.1% | Added |
| Paradigm Capital Management Inc | 9,052,600 | $26.3M | 1.37% | +1,557,200+20.8% | Added |
| Neuberger Berman Group LLC | 18,438,832 | $70.3M | 0.06% | −446,940−2.4% | Reduced |
| JPMorgan Chase & Co | 51,595,932 | $149.6M | 0.02% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −309,625−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −97,941−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −12,695−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −11,387−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −10,954−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −10,880−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −10,318−100.0% | Sold out |
| Hanlon Investment Management, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Park Place Capital Corp | 0 | $0 | 0.00% | −7,818−100.0% | Sold out |
| HighMark Wealth Management LLC | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −750−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −197−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −48−100.0% | Sold out |