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, Q3 2021
Institutional positions in Ribbon Communications Inc. as of Sep 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
- 124
- −2 vs. Q2 2021
- Shares held
- 97.1M
- −1.15M (−1.2%) vs. Q2 2021
- Total value
- $580.4M
- −$167.0M (−22.3%) vs. Q2 2021
- New holders
- 14
- 43 more added
- Sold out
- 16
- 35 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 49,949,398 | $298.7M | 0.04% | 00.0% | Unchanged |
| Paradigm Capital Management Inc | 8,485,200 | $50.7M | 2.61% | +60,800+0.7% | Added |
| BlackRock Inc. | 6,431,005 | $38.5M | 0.00% | −155,573−2.4% | Reduced |
| Vanguard Group Inc | 4,439,993 | $26.6M | 0.00% | −120,704−2.6% | Reduced |
| Dimensional Fund Advisors LP | 3,706,264 | $22.2M | 0.01% | −32,269−0.9% | Reduced |
| Neuberger Berman Group LLC | 3,038,827 | $18.0M | 0.02% | −69,851−2.2% | Reduced |
| Ophir Asset Management Pty Ltd | 2,467,456 | $14.8M | 2.04% | −232,070−8.6% | Reduced |
| First Trust Advisors LP | 1,807,759 | $10.8M | 0.01% | +388,414+27.4% | Added |
| State Street Corp | 1,716,105 | $10.3M | 0.00% | −4,180−0.2% | Reduced |
| Geode Capital Management, LLC | 1,705,691 | $10.2M | 0.00% | +35,117+2.1% | Added |
| Herald Investment Management Ltd | 1,088,000 | $6.51M | 1.07% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 1,087,819 | $6.50M | 0.03% | −595,292−35.4% | Reduced |
| Northern Trust Corp | 821,846 | $4.92M | 0.00% | −12,335−1.5% | Reduced |
| Penserra Capital Management LLC | 806,280 | $4.82M | 0.10% | +12,479+1.6% | Added |
| Nuveen Asset Management, LLC | 750,119 | $4.49M | 0.00% | −103,737−12.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 743,708 | $4.45M | 0.01% | −311,148−29.5% | Reduced |
| Charles Schwab Investment Management Inc | 716,295 | $4.28M | 0.00% | +3,559+0.5% | Added |
| Jacobs Levy Equity Management, Inc | 622,097 | $3.72M | 0.03% | −6,378−1.0% | Reduced |
| Hillsdale Investment Management Inc. | 578,800 | $3.46M | 0.27% | 00.0% | Unchanged |
| Putnam Investments LLC | 475,400 | $2.84M | 0.00% | −19,100−3.9% | Reduced |
| D. E. Shaw & Co., Inc. | 406,918 | $2.43M | 0.00% | +9,897+2.5% | Added |
| Bank of New York Mellon Corp | 338,042 | $2.02M | 0.00% | +13,780+4.2% | Added |
| Hussman Strategic Advisors, Inc. | 310,000 | $1.85M | 0.41% | +124,000+66.7% | Added |
| Swiss National Bank | 211,574 | $1.26M | 0.00% | +3,300+1.6% | Added |
| Globeflex Capital L P | 197,647 | $1.18M | 0.26% | 00.0% | Unchanged |
| Group One Trading, L.P. | 175,361 | $1.05M | 0.02% | +9,094+5.5% | Added |
| Russell Investments Group, Ltd. | 142,972 | $854.0K | 0.00% | −2,219−1.5% | Reduced |
| Cowen Prime Advisors LLC | 141,219 | $844.0K | 0.31% | +500+0.4% | Added |
| Pacific Ridge Capital Partners, LLC | 140,310 | $839.0K | 0.15% | +5,710+4.2% | Added |
| Parametric Portfolio Associates LLC | 134,405 | $804.0K | 0.00% | −3,126−2.3% | Reduced |
| Citigroup Inc | 132,537 | $793.0K | 0.00% | +8,238+6.6% | Added |
| Morgan Stanley | 121,714 | $728.0K | 0.00% | +54,808+81.9% | Added |
| California State Teachers Retirement System | 116,090 | $694.0K | 0.00% | +19,295+19.9% | Added |
| Boothbay Fund Management, LLC | 115,422 | $690.0K | 0.03% | +21,055+22.3% | Added |
| Principal Financial Group Inc | 106,240 | $635.0K | 0.00% | −786−0.7% | Reduced |
| Renaissance Technologies LLC | 106,100 | $634.0K | 0.00% | −100,800−48.7% | Reduced |
| Bridgeway Capital Management, LLC | 105,700 | $632.0K | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 102,627 | $614.0K | 0.00% | +2,967+3.0% | Added |
| Rhumbline Advisers | 98,322 | $588.0K | 0.00% | +3,326+3.5% | Added |
| FMR LLC | 97,827 | $585.0K | 0.00% | −11,700−10.7% | Reduced |
| Los Angeles Capital Management LLC | 93,784 | $561.0K | 0.00% | −10,430−10.0% | Reduced |
| Invesco Ltd. | 84,942 | $508.0K | 0.00% | −34,148−28.7% | Reduced |
| Zebra Capital Management LLC | 85,061 | $508.0K | 0.62% | +8,521+11.1% | Added |
| UBS Asset Management Americas Inc | 84,714 | $506.6K | 0.00% | +1,035+1.2% | Added |
| Gsa Capital Partners LLP | 82,184 | $491.0K | 0.05% | +82,184 | New |
| Credit Suisse AG | 73,644 | $440.0K | 0.00% | +15,065+25.7% | Added |
| Mackenzie Financial Corp | 65,611 | $392.0K | 0.00% | +1,686+2.6% | Added |
| Palisade Capital Management LLC | 65,000 | $389.0K | 0.01% | 00.0% | Unchanged |
| Meridian Wealth Advisors, LLC | 64,866 | $388.0K | 0.11% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 61,430 | $367.0K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 56,201 | $336.0K | 0.00% | 00.0% | Unchanged |
| IndexIQ Advisors LLC | 54,762 | $327.0K | 0.01% | +5,485+11.1% | Added |
| PEAK6 Investments LLC | 53,278 | $319.0K | 0.01% | +37,037+228.0% | Added |
| Deutsche Bank AG | 50,325 | $301.0K | 0.00% | −3,229−6.0% | Reduced |
| Vident Investment Advisory, LLC | 49,697 | $297.0K | 0.01% | +49,697 | New |
| Victory Capital Management Inc | 48,204 | $288.0K | 0.00% | +6,556+15.7% | Added |
| Winton Group Ltd | 47,799 | $286.0K | 0.02% | +1,513+3.3% | Added |
| Voya Investment Management LLC | 46,954 | $280.0K | 0.00% | +574+1.2% | Added |
| Massachusetts Financial Services Co | 46,123 | $276.0K | 0.00% | −604−1.3% | Reduced |
| SG Americas Securities, LLC | 45,050 | $269.0K | 0.00% | +45,050 | New |
| New York State Common Retirement Fund | 44,769 | $268.0K | 0.00% | −13,499−23.2% | Reduced |
| Price T Rowe Associates Inc | 43,732 | $262.0K | 0.00% | −200−0.5% | Reduced |
| Barclays PLC | 43,361 | $259.0K | 0.00% | +30,716+242.9% | Added |
| Bank of America Corp | 43,280 | $258.0K | 0.00% | +18,306+73.3% | Added |
| Panagora Asset Management Inc | 41,863 | $250.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 39,996 | $239.0K | 0.00% | −1,979−4.7% | Reduced |
| American International Group, Inc. | 38,497 | $230.0K | 0.00% | −915−2.3% | Reduced |
| HighTower Advisors, LLC | 38,178 | $228.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 37,443 | $224.0K | 0.00% | 00.0% | Unchanged |
| Zacks Investment Management | 36,977 | $221.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 36,942 | $221.0K | 0.00% | +36,942 | New |
| HRT Financial LP | 34,414 | $205.0K | 0.00% | +34,414 | New |
| State of Wisconsin Investment Board | 33,400 | $200.0K | 0.00% | −4,400−11.6% | Reduced |
| Campbell & CO Investment Adviser LLC | 33,000 | $197.0K | 0.06% | +33,000 | New |
| Principal Street Partners, LLC | 32,551 | $195.0K | 0.05% | +374+1.2% | Added |
| Legal & General Group Plc | 32,429 | $194.0K | 0.00% | +18,678+135.8% | Added |
| Virginia Retirement Systems Et Al | 30,600 | $183.0K | 0.00% | −39,400−56.3% | Reduced |
| Bulltick Wealth Management, LLC | 28,000 | $167.4K | 0.04% | +16,000+133.3% | Added |
| Alliancebernstein L.P. | 27,148 | $162.0K | 0.00% | −50−0.2% | Reduced |
| STRS Ohio | 27,000 | $161.0K | 0.00% | +20,500+315.4% | Added |
| Arizona State Retirement System | 26,092 | $156.0K | 0.00% | +402+1.6% | Added |
| MetLife Investment Management | 24,975 | $149.4K | 0.00% | +13,507+117.8% | Added |
| BNP Paribas Arbitrage, SA | 24,417 | $146.0K | 0.00% | +14,148+137.8% | Added |
| Essex Financial Services, Inc. | 24,000 | $144.0K | 0.02% | 00.0% | Unchanged |
| HSBC Holdings PLC | 20,215 | $122.0K | 0.00% | +20,215 | New |
| Ironwood Investment Management LLC | 19,904 | $119.0K | 0.06% | +23+0.1% | Added |
| ExodusPoint Capital Management, LP | 19,206 | $115.0K | 0.00% | +19,206 | New |
| Citadel Advisors LLC | 16,105 | $96.0K | 0.00% | −52,262−76.4% | Reduced |
| Teacher Retirement System of Texas | 15,226 | $91.0K | 0.00% | +15,226 | New |
| UBS Group AG | 14,601 | $87.0K | 0.00% | +14,581+72,905.0% | Added |
| SEI Investments Co | 16,025 | $83.0K | 0.00% | +378+2.4% | Added |
| Brinker Capital Investments, LLC | 10,340 | $79.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 11,895 | $71.0K | 0.00% | +11,895 | New |
| Metropolitan Life Insurance Co | 10,947 | $65.5K | 0.00% | −7,537−40.8% | Reduced |
| HighVista Strategies LLC | 10,011 | $60.0K | 0.04% | 00.0% | Unchanged |
| Grimes & Company, Inc. | 10,030 | $60.0K | 0.00% | 00.0% | Unchanged |
| Hanlon Investment Management, Inc. | 10,000 | $60.0K | 0.01% | 00.0% | Unchanged |
| Fortis Advisors, LLC | 10,000 | $60.0K | 0.04% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,296 | $56.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 8,535 | $51.0K | 0.00% | +3,679+75.8% | Added |