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 $289.9M 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
- −917.5K (−0.7%) vs. Q1 2026
- Total value
- $289.9M
- +$21.7M (+8.1%) vs. Q1 2026
- New holders
- 23
- 65 more added
- Sold out
- 12
- 42 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 | $289.9M |
| Q1 2026 | 150 | $268.2M |
| Q4 2025 | 153 | $369.2M |
| Q3 2025 | 153 | $679.7M |
| Q2 2025 | 145 | $509.0M |
| Q1 2025 | 144 | $495.9M |
| Q4 2024 | 133 | $520.0M |
| Q3 2024 | 126 | $571.5M |
| Q2 2024 | 129 | $596.1M |
| Q1 2024 | 132 | $566.1M |
| Q4 2023 | 125 | $523.4M |
| 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 | $600.6M |
| Q3 2021 | 124 | $581.6M |
| 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 |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 52,042,936 | $115.5M | 0.01% | −1000.0% | Reduced |
| Neuberger Berman Group LLC | 18,311,073 | $38.7M | 0.03% | +949,085+5.5% | Added |
| BlackRock, Inc. | 7,146,590 | $16.7M | 0.00% | +422,583+6.3% | Added |
| Dimensional Fund Advisors LP | 6,286,323 | $14.7M | 0.00% | −64,787−1.0% | Reduced |
| Royce & Associates LP | 5,090,927 | $11.9M | 0.10% | +211,186+4.3% | Added |
| Vanguard Capital Management LLC | 3,925,626 | $9.19M | 0.00% | −290,833−6.9% | Reduced |
| Vanguard Portfolio Management LLC | 3,513,067 | $8.22M | 0.00% | +177,402+5.3% | Added |
| Paradigm Capital Management Inc | 3,036,398 | $7.11M | 0.19% | −4,999,937−62.2% | Reduced |
| Geode Capital Management, LLC | 2,485,064 | $5.82M | 0.00% | +70,504+2.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 2,213,134 | $5.18M | 0.01% | +123,412+5.9% | Added |
| State Street Corp | 1,930,153 | $4.52M | 0.00% | +20,126+1.1% | Added |
| D. E. Shaw & Co., Inc. | 1,790,375 | $4.19M | 0.00% | +251,903+16.4% | Added |
| Acadian Asset Management LLC | 1,768,227 | $4.13M | 0.00% | +329,737+22.9% | Added |
| AQR Capital Management LLC | 1,409,795 | $3.30M | 0.00% | +152,448+12.1% | Added |
| First Wilshire Securities Management Inc | 1,404,493 | $3.29M | 0.68% | −2,685−0.2% | Reduced |
| Citadel Advisors LLC | 1,241,200 | $2.90M | 0.00% | +666,211+115.9% | Added |
| Arrowstreet Capital, Limited Partnership | 1,215,230 | $2.84M | 0.00% | −1,646−0.1% | Reduced |
| Marshall Wace, LLP | 814,132 | $1.91M | 0.00% | +44,345+5.8% | Added |
| Charles Schwab Investment Management Inc | 800,159 | $1.87M | 0.00% | +91,996+13.0% | Added |
| Northern Trust Corp | 749,823 | $1.75M | 0.00% | +43,965+6.2% | Added |
| Millennium Management LLC | 698,458 | $1.63M | 0.00% | +207,138+42.2% | Added |
| Vanguard Fiduciary Trust Co | 612,773 | $1.43M | 0.00% | +25,344+4.3% | Added |
| Jacobs Levy Equity Management, Inc | 582,093 | $1.36M | 0.00% | −103,217−15.1% | Reduced |
| Victory Capital Management Inc | 456,421 | $1.07M | 0.00% | +34,070+8.1% | Added |
| Silverberg Bernstein Capital Management LLC | 418,823 | $980.0K | 0.38% | −19,300−4.4% | Reduced |
| Goldman Sachs Group Inc | 415,430 | $972.1K | 0.00% | −329,315−44.2% | Reduced |
| Russell Investments Group, Ltd. | 385,226 | $901.4K | 0.00% | +33,353+9.5% | Added |
| Bank of New York Mellon Corp | 379,800 | $888.7K | 0.00% | +2,436+0.6% | Added |
| Morgan Stanley | 379,790 | $888.7K | 0.00% | −43,675−10.3% | Reduced |
| XTX Topco Ltd | 323,307 | $756.5K | 0.01% | +162,365+100.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 303,599 | $710.4K | 0.00% | +303,599 | New |
| Pacific Ridge Capital Partners, LLC | 286,213 | $669.7K | 0.12% | +40,037+16.3% | Added |
| Commonwealth Equity Services, LLC | 284,723 | $666.3K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 214,879 | $502.8K | 0.00% | +7,180+3.5% | Added |
| American Century Companies Inc | 211,076 | $493.9K | 0.00% | −1,287−0.6% | Reduced |
| Squarepoint Ops LLC | 191,402 | $447.9K | 0.00% | +191,402 | New |
| Bank of America Corp | 188,437 | $440.9K | 0.00% | −19,793−9.5% | Reduced |
| Nuveen, LLC | 177,201 | $414.6K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 174,044 | $407.0K | 0.03% | −118,712−40.5% | Reduced |
| EntryPoint Capital, LLC | 172,880 | $404.5K | 0.10% | +32,576+23.2% | Added |
| ExodusPoint Capital Management, LP | 172,615 | $403.9K | 0.00% | −24,293−12.3% | Reduced |
| UBS Group AG | 165,372 | $387.0K | 0.00% | −27,478−14.2% | Reduced |
| Invesco Ltd. | 162,669 | $380.6K | 0.00% | −19,174−10.5% | Reduced |
| Winton Group Ltd | 149,404 | $349.6K | 0.01% | +99,289+198.1% | Added |
| Qube Research & Technologies Ltd | 137,899 | $322.7K | 0.00% | +137,899 | New |
| LSV Asset Management | 135,800 | $318.0K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 126,258 | $295.4K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 126,186 | $295.3K | 0.00% | −2,219−1.7% | Reduced |
| Alliancebernstein L.P. | 138,173 | $292.9K | 0.00% | +18,024+15.0% | Added |
| Dynamic Technology Lab Private Ltd | 104,862 | $245.0K | 0.05% | +45,367+76.3% | Added |
| Ameriprise Financial Inc | 103,387 | $241.9K | 0.00% | −4,097−3.8% | Reduced |
| Two Sigma Investments, LP | 102,187 | $239.1K | 0.00% | +102,187 | New |
| Creative Planning | 100,626 | $235.5K | 0.00% | +35,734+55.1% | Added |
| Barclays PLC | 94,499 | $221.1K | 0.00% | −7,334−7.2% | 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 |
| Franklin Resources Inc | 92,548 | $216.6K | 0.00% | −16,221−14.9% | Reduced |
| Hillsdale Investment Management Inc. | 91,013 | $213.0K | 0.00% | +91,013 | New |
| Citigroup Inc | 87,907 | $205.7K | 0.00% | +51,340+140.4% | Added |
| Price T Rowe Associates Inc | 85,744 | $201.0K | 0.00% | +15,922+22.8% | Added |
| Prudential Financial Inc | 82,938 | $194.1K | 0.00% | +68,300+466.6% | Added |
| Deutsche Bank AG | 81,935 | $191.7K | 0.00% | +56,553+222.8% | Added |
| Wells Fargo & Company | 81,508 | $190.7K | 0.00% | +44,070+117.7% | Added |
| SEI Investments Co | 78,348 | $183.3K | 0.00% | −3,358−4.1% | Reduced |
| Assenagon Asset Management S.A. | 75,854 | $177.5K | 0.00% | +37,927+100.0% | Added |
| Simplex Trading, LLC | 73,875 | $172.9K | 0.00% | +73,875 | New |
| HighMark Wealth Management LLC | 69,000 | $161.5K | 0.05% | +69,000 | New |
| Public Employees Retirement System of Ohio | 60,645 | $141.9K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 57,900 | $135.0K | 0.00% | +32,194+125.2% | Added |
| MetLife Investment Management | 53,013 | $124.0K | 0.00% | +13,553+34.3% | Added |
| Prelude Capital Management, LLC | 52,138 | $122.0K | 0.01% | +3,100+6.3% | Added |
| Vident Advisory, LLC | 50,192 | $117.4K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 47,175 | $110.4K | 0.00% | −5,056−9.7% | Reduced |
| Susquehanna Fundamental Investments, LLC | 46,661 | $109.2K | 0.00% | −7,876−14.4% | Reduced |
| Mariner, LLC | 43,328 | $101.3K | 0.00% | +20,235+87.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 43,168 | $101.0K | 0.00% | −1,485−3.3% | Reduced |
| State Board of Administration of Florida Retirement System | 37,543 | $87.9K | 0.00% | 00.0% | Unchanged |
| Worth Venture Partners, LLC | 35,000 | $81.9K | 0.18% | +35,000 | New |
| SG Americas Securities, LLC | 34,798 | $81.0K | 0.00% | +2,637+8.2% | Added |
| Colony Group, LLC | 32,726 | $76.6K | 0.00% | +1,314+4.2% | Added |
| Polymer Capital Management (US) LLC | 28,355 | $66.4K | 0.01% | −3,522−11.0% | Reduced |
| Envestnet Asset Management Inc | 27,693 | $64.8K | 0.00% | +1,216+4.6% | Added |
| HSBC Holdings PLC | 26,991 | $62.5K | 0.00% | +26,991 | New |
| Brevan Howard Capital Management LP | 26,154 | $61.2K | 0.00% | +26,154 | New |
| Abacus Wealth Partners, LLC | 26,091 | $61.1K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 25,567 | $59.8K | 0.00% | −2,137−7.7% | Reduced |
| State of Alaska, Department of Revenue | 25,390 | $59.0K | 0.00% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 24,810 | $58.1K | 0.00% | +149+0.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 24,692 | $57.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 24,339 | $57.0K | 0.00% | −68,851−73.9% | Reduced |
| Global Retirement Partners, LLC | 24,301 | $56.9K | 0.00% | +24,301 | New |
| New York State Common Retirement Fund | 22,549 | $52.8K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 22,362 | $52.3K | 0.00% | +22,362 | New |
| Jane Street Group, LLC | 21,881 | $51.2K | 0.00% | +21,881 | New |
| Jones Financial Companies LLLP | 22,484 | $49.5K | 0.00% | +3,366+17.6% | Added |
| Intech Investment Management LLC | 20,740 | $48.5K | 0.00% | −1,200−5.5% | Reduced |
| Ieq Capital, LLC | 20,436 | $47.8K | 0.00% | +6,307+44.6% | Added |
| Vista Investment Partners LLC | 20,400 | $47.7K | 0.01% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 20,262 | $47.0K | 0.00% | +6,705+49.5% | Added |
| LPL Financial LLC | 18,294 | $42.8K | 0.00% | +2,693+17.3% | Added |