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 |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 85,744 | $201.0K | 0.00% | +15,922+22.8% | Added |
| Citigroup Inc | 87,907 | $205.7K | 0.00% | +51,340+140.4% | Added |
| Hillsdale Investment Management Inc. | 91,013 | $213.0K | 0.00% | +91,013 | New |
| Franklin Resources Inc | 92,548 | $216.6K | 0.00% | −16,221−14.9% | Reduced |
| Bridgeway Capital Management, LLC | 94,418 | $220.9K | 0.00% | +6,187+7.0% | Added |
| Empowered Funds, LLC | 94,418 | $220.9K | 0.00% | +6,187+7.0% | Added |
| Barclays PLC | 94,499 | $221.1K | 0.00% | −7,334−7.2% | Reduced |
| Creative Planning | 100,626 | $235.5K | 0.00% | +35,734+55.1% | Added |
| Two Sigma Investments, LP | 102,187 | $239.1K | 0.00% | +102,187 | New |
| Ameriprise Financial Inc | 103,387 | $241.9K | 0.00% | −4,097−3.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 104,862 | $245.0K | 0.05% | +45,367+76.3% | Added |
| Alliancebernstein L.P. | 138,173 | $292.9K | 0.00% | +18,024+15.0% | Added |
| Rhumbline Advisers | 126,186 | $295.3K | 0.00% | −2,219−1.7% | Reduced |
| Vanguard Global Advisers, LLC | 126,258 | $295.4K | 0.00% | 00.0% | Unchanged |
| LSV Asset Management | 135,800 | $318.0K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 137,899 | $322.7K | 0.00% | +137,899 | New |
| Winton Group Ltd | 149,404 | $349.6K | 0.01% | +99,289+198.1% | Added |
| Invesco Ltd. | 162,669 | $380.6K | 0.00% | −19,174−10.5% | Reduced |
| UBS Group AG | 165,372 | $387.0K | 0.00% | −27,478−14.2% | Reduced |
| ExodusPoint Capital Management, LP | 172,615 | $403.9K | 0.00% | −24,293−12.3% | Reduced |
| EntryPoint Capital, LLC | 172,880 | $404.5K | 0.10% | +32,576+23.2% | Added |
| Gsa Capital Partners LLP | 174,044 | $407.0K | 0.03% | −118,712−40.5% | Reduced |
| Nuveen, LLC | 177,201 | $414.6K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 188,437 | $440.9K | 0.00% | −19,793−9.5% | Reduced |
| Squarepoint Ops LLC | 191,402 | $447.9K | 0.00% | +191,402 | New |
| American Century Companies Inc | 211,076 | $493.9K | 0.00% | −1,287−0.6% | Reduced |
| Voya Investment Management LLC | 214,879 | $502.8K | 0.00% | +7,180+3.5% | Added |
| Commonwealth Equity Services, LLC | 284,723 | $666.3K | 0.00% | 00.0% | Unchanged |
| Pacific Ridge Capital Partners, LLC | 286,213 | $669.7K | 0.12% | +40,037+16.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 303,599 | $710.4K | 0.00% | +303,599 | New |
| XTX Topco Ltd | 323,307 | $756.5K | 0.01% | +162,365+100.9% | Added |
| Morgan Stanley | 379,790 | $888.7K | 0.00% | −43,675−10.3% | Reduced |
| Bank of New York Mellon Corp | 379,800 | $888.7K | 0.00% | +2,436+0.6% | Added |
| Russell Investments Group, Ltd. | 385,226 | $901.4K | 0.00% | +33,353+9.5% | Added |
| Goldman Sachs Group Inc | 415,430 | $972.1K | 0.00% | −329,315−44.2% | Reduced |
| Silverberg Bernstein Capital Management LLC | 418,823 | $980.0K | 0.38% | −19,300−4.4% | Reduced |
| Victory Capital Management Inc | 456,421 | $1.07M | 0.00% | +34,070+8.1% | Added |
| Jacobs Levy Equity Management, Inc | 582,093 | $1.36M | 0.00% | −103,217−15.1% | Reduced |
| Vanguard Fiduciary Trust Co | 612,773 | $1.43M | 0.00% | +25,344+4.3% | Added |
| Millennium Management LLC | 698,458 | $1.63M | 0.00% | +207,138+42.2% | Added |
| Northern Trust Corp | 749,823 | $1.75M | 0.00% | +43,965+6.2% | Added |
| Charles Schwab Investment Management Inc | 800,159 | $1.87M | 0.00% | +91,996+13.0% | Added |
| Marshall Wace, LLP | 814,132 | $1.91M | 0.00% | +44,345+5.8% | Added |
| Arrowstreet Capital, Limited Partnership | 1,215,230 | $2.84M | 0.00% | −1,646−0.1% | Reduced |
| Citadel Advisors LLC | 1,241,200 | $2.90M | 0.00% | +666,211+115.9% | Added |
| First Wilshire Securities Management Inc | 1,404,493 | $3.29M | 0.68% | −2,685−0.2% | Reduced |
| AQR Capital Management LLC | 1,409,795 | $3.30M | 0.00% | +152,448+12.1% | Added |
| Acadian Asset Management LLC | 1,768,227 | $4.13M | 0.00% | +329,737+22.9% | Added |
| D. E. Shaw & Co., Inc. | 1,790,375 | $4.19M | 0.00% | +251,903+16.4% | Added |
| State Street Corp | 1,930,153 | $4.52M | 0.00% | +20,126+1.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 2,213,134 | $5.18M | 0.01% | +123,412+5.9% | Added |
| Geode Capital Management, LLC | 2,485,064 | $5.82M | 0.00% | +70,504+2.9% | Added |
| Paradigm Capital Management Inc | 3,036,398 | $7.11M | 0.19% | −4,999,937−62.2% | Reduced |
| Vanguard Portfolio Management LLC | 3,513,067 | $8.22M | 0.00% | +177,402+5.3% | Added |
| Vanguard Capital Management LLC | 3,925,626 | $9.19M | 0.00% | −290,833−6.9% | Reduced |
| Royce & Associates LP | 5,090,927 | $11.9M | 0.10% | +211,186+4.3% | Added |
| Dimensional Fund Advisors LP | 6,286,323 | $14.7M | 0.00% | −64,787−1.0% | Reduced |
| BlackRock, Inc. | 7,146,590 | $16.7M | 0.00% | +422,583+6.3% | Added |
| Neuberger Berman Group LLC | 18,311,073 | $38.7M | 0.03% | +949,085+5.5% | Added |
| JPMorgan Chase & Co | 52,042,936 | $115.5M | 0.01% | −1000.0% | 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 |