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 2025
Institutional positions in Ribbon Communications Inc. as of Dec 31, 2025. 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
- 153
- +1 vs. Q3 2025
- Shares held
- 129.7M
- +49.9K (0.0%) vs. Q3 2025
- Total value
- $369.2M
- −$118.4M (−24.3%) vs. Q3 2025
- New holders
- 25
- 56 more added
- Sold out
- 24
- 51 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dynamic Technology Lab Private Ltd | 91,026 | $262.0K | 0.06% | +20,982+30.0% | Added |
| Legal & General Group Plc | 94,343 | $271.7K | 0.00% | −7,713−7.6% | Reduced |
| XTX Topco Ltd | 102,885 | $296.3K | 0.01% | −47,473−31.6% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 109,892 | $316.5K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 110,798 | $319.1K | 0.00% | +33,156+42.7% | Added |
| Alliancebernstein L.P. | 119,250 | $343.4K | 0.00% | −67−0.1% | Reduced |
| EntryPoint Capital, LLC | 124,573 | $358.8K | 0.14% | +92,250+285.4% | Added |
| Rhumbline Advisers | 128,287 | $369.5K | 0.00% | −33,528−20.7% | Reduced |
| Ameriprise Financial Inc | 128,975 | $371.4K | 0.00% | +28,911+28.9% | Added |
| LSV Asset Management | 135,800 | $391.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 140,047 | $403.4K | 0.00% | +43,775+45.5% | Added |
| Bank of America Corp | 147,689 | $425.3K | 0.00% | +57,203+63.2% | Added |
| Voya Investment Management LLC | 149,560 | $430.7K | 0.00% | +2,618+1.8% | Added |
| Invesco Ltd. | 168,915 | $486.5K | 0.00% | −3,951−2.3% | Reduced |
| Marshall Wace, LLP | 173,702 | $500.3K | 0.00% | −172,393−49.8% | Reduced |
| Nuveen, LLC | 176,235 | $507.6K | 0.00% | −97,245−35.6% | Reduced |
| Swiss National Bank | 185,474 | $534.2K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 191,370 | $551.1K | 0.00% | +29,882+18.5% | Added |
| ExodusPoint Capital Management, LP | 198,191 | $570.8K | 0.01% | +198,191 | New |
| Barclays PLC | 202,461 | $583.1K | 0.00% | +47,690+30.8% | Added |
| UBS Asset Management Americas Inc | 212,624 | $612.4K | 0.00% | −5,762−2.6% | Reduced |
| American Century Companies Inc | 213,946 | $616.2K | 0.00% | +5,844+2.8% | Added |
| Pacific Ridge Capital Partners, LLC | 246,129 | $708.9K | 0.16% | +10,800+4.6% | Added |
| Commonwealth Equity Services, LLC | 284,744 | $820.1K | 0.00% | −1,000−0.3% | Reduced |
| Gsa Capital Partners LLP | 287,583 | $828.0K | 0.07% | +71,300+33.0% | Added |
| State of Wisconsin Investment Board | 310,366 | $893.9K | 0.00% | +31,877+11.4% | Added |
| Victory Capital Management Inc | 349,543 | $1.01M | 0.00% | −5,083−1.4% | Reduced |
| Jane Street Group, LLC | 379,465 | $1.09M | 0.00% | +178,645+89.0% | Added |
| Bank of New York Mellon Corp | 389,994 | $1.12M | 0.00% | +54,243+16.2% | Added |
| Morgan Stanley | 392,391 | $1.13M | 0.00% | −112,293−22.3% | Reduced |
| Silverberg Bernstein Capital Management LLC | 436,023 | $1.26M | 0.73% | +8,044+1.9% | Added |
| AQR Capital Management LLC | 491,471 | $1.42M | 0.00% | +322,364+190.6% | Added |
| Kennedy Capital Management, Inc. | 710,703 | $2.05M | 0.04% | +710,703 | New |
| Acadian Asset Management LLC | 761,165 | $2.19M | 0.00% | +726,573+2,100.4% | Added |
| Charles Schwab Investment Management Inc | 769,074 | $2.21M | 0.00% | −413−0.1% | Reduced |
| Goldman Sachs Group Inc | 787,493 | $2.27M | 0.00% | +363,334+85.7% | Added |
| Herald Investment Management Ltd | 800,000 | $2.30M | 0.30% | −112,869−12.4% | Reduced |
| First Eagle Investment Management, LLC | 862,528 | $2.48M | 0.00% | −171,386−16.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 890,168 | $2.56M | 0.01% | +418,967+88.9% | Added |
| Northern Trust Corp | 922,554 | $2.66M | 0.00% | −75,557−7.6% | Reduced |
| D. E. Shaw & Co., Inc. | 979,841 | $2.82M | 0.00% | +390,949+66.4% | Added |
| Arrowstreet Capital, Limited Partnership | 1,029,716 | $2.97M | 0.00% | +65,270+6.8% | Added |
| First Wilshire Securities Management Inc | 1,267,586 | $3.65M | 0.92% | −37,772−2.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 1,995,845 | $5.75M | 0.02% | +130,676+7.0% | Added |
| State Street Corp | 2,099,793 | $6.05M | 0.00% | +5,280+0.3% | Added |
| Geode Capital Management, LLC | 2,302,573 | $6.63M | 0.00% | −7,878−0.3% | Reduced |
| Royce & Associates LP | 4,614,741 | $13.3M | 0.13% | +309,271+7.2% | Added |
| Dimensional Fund Advisors LP | 6,475,125 | $18.6M | 0.00% | −70,410−1.1% | Reduced |
| BlackRock, Inc. | 7,665,925 | $22.1M | 0.00% | −32,880−0.4% | Reduced |
| Vanguard Group Inc | 7,833,009 | $22.6M | 0.00% | +141,939+1.8% | Added |
| Paradigm Capital Management Inc | 8,323,298 | $24.0M | 1.01% | −425,902−4.9% | Reduced |
| Neuberger Berman Group LLC | 17,431,102 | $46.0M | 0.03% | −822,943−4.5% | Reduced |
| JPMorgan Chase & Co | 52,037,577 | $149.9M | 0.01% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −524,067−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −348,802−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −208,956−100.0% | Sold out |
| Penn Capital Management Co Inc | 0 | $0 | 0.00% | −160,129−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −127,152−100.0% | Sold out |
| Polen Capital Management LLC | 0 | $0 | 0.00% | −87,246−100.0% | Sold out |
| Round Rock Advisors, LLC | 0 | $0 | 0.00% | −74,240−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −38,800−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −24,828−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −23,528−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −22,945−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −21,308−100.0% | Sold out |
| Vestmark Advisory Solutions, Inc. | 0 | $0 | 0.00% | −15,069−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −14,502−100.0% | Sold out |
| First Bank & Trust | 0 | $0 | 0.00% | −13,725−100.0% | Sold out |
| NewEdge Wealth, LLC | 0 | $0 | 0.00% | −15,069−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −12,441−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −11,711−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −11,214−100.0% | Sold out |
| Ballentine Partners, LLC | 0 | $0 | 0.00% | −11,076−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −10,826−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −662−100.0% | Sold out |
| Maryland Capital Advisors Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |