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 2026
Institutional positions in Ribbon Communications Inc. as of Jun 30, 2026. 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
- 160
- +11 vs. Q1 2026
- Shares held
- 128.3M
- −942.1K (−0.7%) vs. Q1 2026
- Total value
- $289.8M
- +$21.6M (+8.1%) vs. Q1 2026
- New holders
- 23
- 64 more added
- Sold out
- 12
- 41 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ironwood Investment Management LLC | 18,030 | $42.2K | 0.01% | −36−0.2% | Reduced |
| STRS Ohio | 17,600 | $41.2K | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 16,288 | $38.1K | 0.00% | +16,288 | New |
| Vestmark Advisory Solutions, Inc. | 16,260 | $38.0K | 0.00% | 00.0% | Unchanged |
| NewEdge Wealth, LLC | 16,260 | $38.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 14,606 | $35.0K | 0.00% | +8,710+147.7% | Added |
| White Pine Capital LLC | 13,335 | $31.2K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 12,277 | $28.7K | 0.00% | −1,320−9.7% | Reduced |
| Trilogy Capital Inc. | 12,110 | $28.3K | 0.00% | −3,250−21.2% | Reduced |
| BNP Paribas Arbitrage, SA | 11,947 | $28.0K | 0.00% | −8,089−40.4% | Reduced |
| Mercer Global Advisors Inc | 11,794 | $27.6K | 0.00% | +11,794 | New |
| Tower Research Capital LLC (TRC) | 11,602 | $27.1K | 0.00% | +4,044+53.5% | Added |
| Canada Pension Plan Investment Board | 11,400 | $26.7K | 0.00% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 10,698 | $25.0K | 0.00% | +34+0.3% | Added |
| Axq Capital, LP | 10,535 | $24.7K | 0.00% | +10,535 | New |
| Sequoia Financial Advisors, LLC | 10,441 | $24.4K | 0.00% | +10,441 | New |
| Indivisible Partners | 10,257 | $24.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 10,101 | $23.6K | 0.00% | −12,863−56.0% | Reduced |
| Grimes & Company, Inc. | 10,000 | $23.4K | 0.00% | −30−0.3% | Reduced |
| Kathmere Capital Management, LLC | 10,000 | $23.4K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 9,919 | $23.2K | 0.00% | +9,605+3,058.9% | Added |
| Ameritas Investment Partners, Inc. | 8,663 | $20.3K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 8,432 | $19.7K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,577 | $17.7K | 0.00% | +41+0.5% | Added |
| FMR LLC | 6,856 | $16.0K | 0.00% | +1,635+31.3% | Added |
| Fifth Third Bancorp | 4,538 | $10.6K | 0.00% | +2,489+121.5% | Added |
| Allworth Financial LP | 4,335 | $10.1K | 0.00% | +1,072+32.9% | Added |
| SRS Capital Advisors, Inc. | 2,903 | $6.79K | 0.00% | +2,230+331.4% | Added |
| Colonial Trust Advisors | 2,000 | $4.68K | 0.00% | 00.0% | Unchanged |
| Medallion Wealth Advisors, LLC | 1,920 | $4.49K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,755 | $4.11K | 0.00% | −1,350−43.5% | Reduced |
| Farther Finance Advisors, LLC | 1,692 | $3.96K | 0.00% | +38+2.3% | Added |
| Rockefeller Capital Management L.P. | 1,675 | $3.92K | 0.00% | −1,927−53.5% | Reduced |
| UBS Asset Management Americas Inc | 1,547 | $3.62K | 0.00% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 1,516 | $3.55K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,400 | $3.26K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 1,307 | $3.06K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,291 | $3.02K | 0.00% | −3,784−74.6% | Reduced |
| TD Waterhouse Canada Inc. | 1,048 | $2.46K | 0.00% | +1,048 | New |
| US Bancorp | 875 | $2.05K | 0.00% | +785+872.2% | Added |
| The PNC Financial Services Group, Inc. | 796 | $1.86K | 0.00% | +153+23.8% | Added |
| EverSource Wealth Advisors, LLC | 734 | $1.72K | 0.00% | +337+84.9% | Added |
| Rothschild Investment LLC | 558 | $1.31K | 0.00% | +120+27.4% | Added |
| Signaturefd, LLC | 405 | $948 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 381 | $892 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 291 | $681 | 0.00% | −211−42.0% | Reduced |
| Parkside Financial Bank & Trust | 240 | $562 | 0.00% | +240 | New |
| Larson Financial Group LLC | 217 | $508 | 0.00% | −28−11.4% | Reduced |
| Rialto Wealth Management, LLC | 184 | $431 | 0.00% | +184 | New |
| True Wealth Design, LLC | 158 | $370 | 0.00% | +35+28.5% | Added |
| SJS Investment Consulting Inc. | 130 | $305 | 0.00% | +115+766.7% | Added |
| IFP Advisors, Inc | 128 | $300 | 0.00% | −103−44.6% | Reduced |
| CoreCap Advisors, LLC | 80 | $187 | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 19 | $44 | 0.00% | +17+850.0% | Added |
| Clearstead Advisors, LLC | 18 | $43 | 0.00% | +18 | New |
| TFC Financial Management | 12 | $29 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 12 | $28 | 0.00% | +12 | New |
| Caitong International Asset Management Co., Ltd | 7 | $16 | 0.00% | +4+133.3% | Added |
| JPL Wealth Management, LLC | 4 | $10 | 0.00% | +4 | New |
| SBI Securities Co., Ltd. | 1 | $2 | 0.00% | −25−96.2% | Reduced |
| OP Asset Management Ltd | 0 | $0 | 0.00% | −206,802−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −139,962−100.0% | Sold out |
| Herald Investment Management Ltd | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −54,933−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −21,784−100.0% | Sold out |
| Seven Mile Advisory | 0 | $0 | 0.00% | −15,976−100.0% | Sold out |
| Nine Masts Capital Ltd | 0 | $0 | 0.00% | −14,377−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −12,356−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −641−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −164−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |