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 2021
Institutional positions in Ribbon Communications Inc. as of Jun 30, 2021. 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
- 127
- −19 vs. Q1 2021
- Shares held
- 98.4M
- +337.8K (+0.3%) vs. Q1 2021
- Total value
- $748.5M
- −$56.3M (−7.0%) vs. Q1 2021
- New holders
- 15
- 47 more added
- Sold out
- 34
- 38 more reduced
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 49,949,398 | $380.1M | 0.05% | −5540.0% | Reduced |
| Paradigm Capital Management Inc | 8,424,400 | $64.1M | 3.08% | +268,900+3.3% | Added |
| BlackRock Inc. | 6,586,578 | $50.1M | 0.00% | −145,601−2.2% | Reduced |
| Vanguard Group Inc | 4,560,697 | $34.7M | 0.00% | +285,579+6.7% | Added |
| Dimensional Fund Advisors LP | 3,738,533 | $28.5M | 0.01% | +151,051+4.2% | Added |
| Neuberger Berman Group LLC | 3,108,678 | $23.5M | 0.02% | −58,738−1.9% | Reduced |
| Ophir Asset Management Pty Ltd | 2,699,526 | $20.5M | 3.61% | +327,694+13.8% | Added |
| State Street Corp | 1,720,285 | $13.1M | 0.00% | +217,173+14.4% | Added |
| Impax Asset Management Group plc | 1,683,111 | $12.8M | 0.06% | +683,111+68.3% | Added |
| Geode Capital Management, LLC | 1,670,574 | $12.7M | 0.00% | +87,682+5.5% | Added |
| First Trust Advisors LP | 1,419,345 | $10.8M | 0.01% | +424,888+42.7% | Added |
| Herald Investment Management Ltd | 1,088,000 | $8.27M | 1.35% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 1,054,856 | $8.03M | 0.01% | +216,895+25.9% | Added |
| Nuveen Asset Management, LLC | 853,856 | $6.50M | 0.00% | +10,940+1.3% | Added |
| Northern Trust Corp | 834,181 | $6.35M | 0.00% | +7,211+0.9% | Added |
| Penserra Capital Management LLC | 793,801 | $6.04M | 0.11% | −784−0.1% | Reduced |
| Charles Schwab Investment Management Inc | 712,736 | $5.42M | 0.00% | +19,017+2.7% | Added |
| Jacobs Levy Equity Management, Inc | 628,475 | $4.78M | 0.03% | +189,221+43.1% | Added |
| Hillsdale Investment Management Inc. | 578,800 | $4.40M | 0.35% | 00.0% | Unchanged |
| Putnam Investments LLC | 494,500 | $3.76M | 0.01% | +147,700+42.6% | Added |
| D. E. Shaw & Co., Inc. | 397,021 | $3.02M | 0.00% | −188,983−32.2% | Reduced |
| Bank of New York Mellon Corp | 324,262 | $2.47M | 0.00% | −30,552−8.6% | Reduced |
| Swiss National Bank | 208,274 | $1.58M | 0.00% | +42,200+25.4% | Added |
| Renaissance Technologies LLC | 206,900 | $1.57M | 0.00% | −400,436−65.9% | Reduced |
| Globeflex Capital L P | 197,647 | $1.50M | 0.27% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 189,743 | $1.44M | 0.00% | −202,477−51.6% | Reduced |
| Hussman Strategic Advisors, Inc. | 186,000 | $1.42M | 0.29% | +42,000+29.2% | Added |
| Group One Trading, L.P. | 166,267 | $1.26M | 0.02% | +46,203+38.5% | Added |
| Russell Investments Group, Ltd. | 145,191 | $1.10M | 0.00% | −13,567−8.5% | Reduced |
| Cowen Prime Services LLC | 140,719 | $1.07M | 0.39% | 00.0% | Unchanged |
| Cowen Prime Advisors LLC | 140,719 | $1.07M | 0.39% | +140,719 | New |
| Parametric Portfolio Associates LLC | 137,531 | $1.05M | 0.00% | −5,991−4.2% | Reduced |
| Pacific Ridge Capital Partners, LLC | 134,600 | $1.02M | 0.19% | +22,900+20.5% | Added |
| Citigroup Inc | 124,299 | $946.0K | 0.00% | +87,819+240.7% | Added |
| Invesco Ltd. | 119,090 | $907.0K | 0.00% | +7,361+6.6% | Added |
| FMR LLC | 109,527 | $833.0K | 0.00% | −5,293−4.6% | Reduced |
| Principal Financial Group Inc | 107,026 | $814.0K | 0.00% | +107,026 | New |
| Bridgeway Capital Management, LLC | 105,700 | $804.0K | 0.01% | +10,700+11.3% | Added |
| Los Angeles Capital Management LLC | 104,214 | $793.0K | 0.00% | −2,750−2.6% | Reduced |
| Goldman Sachs Group Inc | 99,660 | $758.0K | 0.00% | −45,392−31.3% | Reduced |
| California State Teachers Retirement System | 96,795 | $737.0K | 0.00% | −5,987−5.8% | Reduced |
| Rhumbline Advisers | 94,996 | $723.0K | 0.00% | −9,629−9.2% | Reduced |
| Boothbay Fund Management, LLC | 94,367 | $718.0K | 0.03% | +51,315+119.2% | Added |
| UBS Asset Management Americas Inc | 83,679 | $636.8K | 0.00% | +18,557+28.5% | Added |
| Millennium Management LLC | 80,439 | $612.0K | 0.00% | −64,573−44.5% | Reduced |
| Zebra Capital Management LLC | 76,540 | $582.0K | 0.68% | +1,648+2.2% | Added |
| Virginia Retirement Systems Et Al | 70,000 | $533.0K | 0.01% | −5,100−6.8% | Reduced |
| Citadel Advisors LLC | 68,367 | $521.0K | 0.00% | +51,729+310.9% | Added |
| Morgan Stanley | 66,906 | $509.0K | 0.00% | −137,376−67.2% | Reduced |
| Palisade Capital Management LLC | 65,000 | $495.0K | 0.01% | +5,000+8.3% | Added |
| Meridian Wealth Advisors, LLC | 64,866 | $494.0K | 0.14% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 63,925 | $486.0K | 0.00% | +16,555+34.9% | Added |
| Public Employees Retirement System of Ohio | 61,430 | $467.0K | 0.00% | +3,200+5.5% | Added |
| Credit Suisse AG | 58,579 | $445.0K | 0.00% | +9,854+20.2% | Added |
| New York State Common Retirement Fund | 58,268 | $443.0K | 0.00% | +568+1.0% | Added |
| Allianz Asset Management GmbH | 56,201 | $428.0K | 0.00% | +56,201 | New |
| Deutsche Bank AG | 53,554 | $408.0K | 0.00% | −32,548−37.8% | Reduced |
| Wells Fargo & Company | 53,112 | $404.0K | 0.00% | +24,438+85.2% | Added |
| Tudor Investment Corp Et Al | 52,964 | $403.0K | 0.01% | +32,367+157.1% | Added |
| Alpha Paradigm Partners, LLC | 50,566 | $385.0K | 0.15% | +50,566 | New |
| IndexIQ Advisors LLC | 49,277 | $375.0K | 0.01% | +390+0.8% | Added |
| Massachusetts Financial Services Co | 46,727 | $356.0K | 0.00% | +46,727 | New |
| Voya Investment Management LLC | 46,380 | $353.0K | 0.00% | −1,313−2.8% | Reduced |
| Winton Group Ltd | 46,286 | $352.0K | 0.02% | +14,936+47.6% | Added |
| Price T Rowe Associates Inc | 43,932 | $334.0K | 0.00% | +1,414+3.3% | Added |
| Panagora Asset Management Inc | 41,863 | $319.0K | 0.00% | −7,490−15.2% | Reduced |
| Manufacturers Life Insurance Company, The | 41,975 | $319.0K | 0.00% | +2,131+5.3% | Added |
| Victory Capital Management Inc | 41,648 | $317.0K | 0.00% | +9,164+28.2% | Added |
| AQR Capital Management LLC | 40,506 | $308.0K | 0.00% | −27,605−40.5% | Reduced |
| American International Group, Inc. | 39,412 | $300.0K | 0.00% | −315−0.8% | Reduced |
| HighTower Advisors, LLC | 38,178 | $291.0K | 0.00% | +4,136+12.1% | Added |
| State of Wisconsin Investment Board | 37,800 | $288.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 37,443 | $285.0K | 0.00% | 00.0% | Unchanged |
| Zacks Investment Management | 36,977 | $281.0K | 0.00% | +36,977 | New |
| Principal Street Partners, LLC | 32,177 | $245.0K | 0.06% | +32,177 | New |
| Alliancebernstein L.P. | 27,198 | $207.0K | 0.00% | −8,888−24.6% | Reduced |
| Arizona State Retirement System | 25,690 | $196.0K | 0.00% | +4,527+21.4% | Added |
| Bank of America Corp | 24,974 | $190.0K | 0.00% | −70,619−73.9% | Reduced |
| Essex Financial Services, Inc. | 24,000 | $183.0K | 0.03% | +24,000 | New |
| Jane Street Group, LLC | 23,616 | $179.0K | 0.00% | +23,616 | New |
| Susquehanna Fundamental Investments, LLC | 23,237 | $177.0K | 0.00% | −27,986−54.6% | Reduced |
| Ironwood Investment Management LLC | 19,881 | $151.0K | 0.08% | −455−2.2% | Reduced |
| ProShare Advisors LLC | 18,896 | $144.0K | 0.00% | +59+0.3% | Added |
| Metropolitan Life Insurance Co | 18,484 | $140.7K | 0.00% | +6,966+60.5% | Added |
| PEAK6 Investments LLC | 16,241 | $124.0K | 0.00% | −106,724−86.8% | Reduced |
| Prudential Financial Inc | 15,577 | $119.0K | 0.00% | +15,577 | New |
| SEI Investments Co | 15,647 | $112.0K | 0.00% | +3,705+31.0% | Added |
| Legal & General Group Plc | 13,751 | $105.0K | 0.00% | −1,234−8.2% | Reduced |
| Barclays PLC | 12,645 | $97.0K | 0.00% | −45,092−78.1% | Reduced |
| Bulltick Wealth Management, LLC | 12,000 | $91.3K | 0.02% | 00.0% | Unchanged |
| Raymond James & Associates | 11,557 | $88.0K | 0.00% | −1,723−13.0% | Reduced |
| MetLife Investment Management | 11,468 | $87.3K | 0.00% | −15,054−56.8% | Reduced |
| Brinker Capital Investments, LLC | 10,340 | $79.0K | 0.00% | +10,340 | New |
| BNP Paribas Arbitrage, SA | 10,269 | $78.1K | 0.00% | −24,812−70.7% | Reduced |
| HighVista Strategies LLC | 10,011 | $77.0K | 0.05% | 00.0% | Unchanged |
| Grimes & Company, Inc. | 10,030 | $76.0K | 0.00% | 00.0% | Unchanged |
| Hanlon Investment Management, Inc. | 10,000 | $76.0K | 0.02% | 00.0% | Unchanged |
| Fortis Advisors, LLC | 10,000 | $76.0K | 0.04% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,296 | $71.0K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 7,500 | $57.1K | 0.00% | +5,215+228.2% | Added |