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 |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 21 | $0 | 0.00% | −240−92.0% | Reduced |
| Cypress Point Wealth Management, LLC | 50 | $0 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 12 | $0 | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 73 | $0 | 0.00% | +73 | New |
| The PNC Financial Services Group, Inc. | 88 | $1.00K | 0.00% | +24+37.5% | Added |
| Kelly Financial Services LLC | 200 | $1.20K | 0.00% | −1,322−86.9% | Reduced |
| Truvestments Capital LLC | 350 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 562 | $3.00K | 0.00% | 00.0% | Unchanged |
| Charter Oak Capital Management, LLC | 500 | $3.00K | 0.00% | 00.0% | Unchanged |
| Atwood & Palmer Inc | 739 | $4.00K | 0.00% | 00.0% | Unchanged |
| Concord Wealth Partners | 793 | $5.00K | 0.00% | −1,353−63.0% | Reduced |
| Captrust Financial Advisors | 1,183 | $7.00K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,400 | $8.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 2,124 | $13.0K | 0.00% | −184−8.0% | Reduced |
| Wells Fargo & Company | 2,571 | $15.0K | 0.00% | −50,541−95.2% | Reduced |
| Cutler Group LP | 3,440 | $20.0K | 0.00% | +3,440 | New |
| Great West Life Assurance Co | 3,680 | $22.0K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 5,650 | $33.8K | 0.00% | +50+0.9% | Added |
| Ameritas Investment Partners, Inc. | 5,864 | $35.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 5,990 | $35.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 5,808 | $35.0K | 0.00% | +3,204+123.0% | Added |
| Macquarie Group Ltd | 7,501 | $45.0K | 0.00% | +7,501 | New |
| Royal Bank of Canada | 8,535 | $51.0K | 0.00% | +3,679+75.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,296 | $56.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| Metropolitan Life Insurance Co | 10,947 | $65.5K | 0.00% | −7,537−40.8% | Reduced |
| Squarepoint Ops LLC | 11,895 | $71.0K | 0.00% | +11,895 | New |
| Brinker Capital Investments, LLC | 10,340 | $79.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 16,025 | $83.0K | 0.00% | +378+2.4% | Added |
| UBS Group AG | 14,601 | $87.0K | 0.00% | +14,581+72,905.0% | Added |
| Teacher Retirement System of Texas | 15,226 | $91.0K | 0.00% | +15,226 | New |
| Citadel Advisors LLC | 16,105 | $96.0K | 0.00% | −52,262−76.4% | Reduced |
| ExodusPoint Capital Management, LP | 19,206 | $115.0K | 0.00% | +19,206 | New |
| Ironwood Investment Management LLC | 19,904 | $119.0K | 0.06% | +23+0.1% | Added |
| HSBC Holdings PLC | 20,215 | $122.0K | 0.00% | +20,215 | New |
| Essex Financial Services, Inc. | 24,000 | $144.0K | 0.02% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 24,417 | $146.0K | 0.00% | +14,148+137.8% | Added |
| MetLife Investment Management | 24,975 | $149.4K | 0.00% | +13,507+117.8% | Added |
| Arizona State Retirement System | 26,092 | $156.0K | 0.00% | +402+1.6% | Added |
| STRS Ohio | 27,000 | $161.0K | 0.00% | +20,500+315.4% | Added |
| Alliancebernstein L.P. | 27,148 | $162.0K | 0.00% | −50−0.2% | Reduced |
| Bulltick Wealth Management, LLC | 28,000 | $167.4K | 0.04% | +16,000+133.3% | Added |
| Virginia Retirement Systems Et Al | 30,600 | $183.0K | 0.00% | −39,400−56.3% | Reduced |
| Legal & General Group Plc | 32,429 | $194.0K | 0.00% | +18,678+135.8% | Added |
| Principal Street Partners, LLC | 32,551 | $195.0K | 0.05% | +374+1.2% | Added |
| Campbell & CO Investment Adviser LLC | 33,000 | $197.0K | 0.06% | +33,000 | New |
| State of Wisconsin Investment Board | 33,400 | $200.0K | 0.00% | −4,400−11.6% | Reduced |
| HRT Financial LP | 34,414 | $205.0K | 0.00% | +34,414 | New |
| 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 |
| State Board of Administration of Florida Retirement System | 37,443 | $224.0K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 38,178 | $228.0K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 38,497 | $230.0K | 0.00% | −915−2.3% | Reduced |
| Manufacturers Life Insurance Company, The | 39,996 | $239.0K | 0.00% | −1,979−4.7% | Reduced |
| Panagora Asset Management Inc | 41,863 | $250.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 43,280 | $258.0K | 0.00% | +18,306+73.3% | Added |
| Barclays PLC | 43,361 | $259.0K | 0.00% | +30,716+242.9% | Added |
| Price T Rowe Associates Inc | 43,732 | $262.0K | 0.00% | −200−0.5% | Reduced |
| New York State Common Retirement Fund | 44,769 | $268.0K | 0.00% | −13,499−23.2% | Reduced |
| SG Americas Securities, LLC | 45,050 | $269.0K | 0.00% | +45,050 | New |
| Massachusetts Financial Services Co | 46,123 | $276.0K | 0.00% | −604−1.3% | Reduced |
| Voya Investment Management LLC | 46,954 | $280.0K | 0.00% | +574+1.2% | Added |
| Winton Group Ltd | 47,799 | $286.0K | 0.02% | +1,513+3.3% | Added |
| Victory Capital Management Inc | 48,204 | $288.0K | 0.00% | +6,556+15.7% | Added |
| Vident Investment Advisory, LLC | 49,697 | $297.0K | 0.01% | +49,697 | New |
| Deutsche Bank AG | 50,325 | $301.0K | 0.00% | −3,229−6.0% | Reduced |
| PEAK6 Investments LLC | 53,278 | $319.0K | 0.01% | +37,037+228.0% | Added |
| IndexIQ Advisors LLC | 54,762 | $327.0K | 0.01% | +5,485+11.1% | Added |
| Allianz Asset Management GmbH | 56,201 | $336.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 61,430 | $367.0K | 0.00% | 00.0% | Unchanged |
| Meridian Wealth Advisors, LLC | 64,866 | $388.0K | 0.11% | 00.0% | Unchanged |
| Palisade Capital Management LLC | 65,000 | $389.0K | 0.01% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 65,611 | $392.0K | 0.00% | +1,686+2.6% | Added |
| Credit Suisse AG | 73,644 | $440.0K | 0.00% | +15,065+25.7% | Added |
| Gsa Capital Partners LLP | 82,184 | $491.0K | 0.05% | +82,184 | New |
| UBS Asset Management Americas Inc | 84,714 | $506.6K | 0.00% | +1,035+1.2% | Added |
| 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 |
| Los Angeles Capital Management LLC | 93,784 | $561.0K | 0.00% | −10,430−10.0% | Reduced |
| FMR LLC | 97,827 | $585.0K | 0.00% | −11,700−10.7% | Reduced |
| Rhumbline Advisers | 98,322 | $588.0K | 0.00% | +3,326+3.5% | Added |
| Goldman Sachs Group Inc | 102,627 | $614.0K | 0.00% | +2,967+3.0% | Added |
| Bridgeway Capital Management, LLC | 105,700 | $632.0K | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 106,100 | $634.0K | 0.00% | −100,800−48.7% | Reduced |
| Principal Financial Group Inc | 106,240 | $635.0K | 0.00% | −786−0.7% | Reduced |
| Boothbay Fund Management, LLC | 115,422 | $690.0K | 0.03% | +21,055+22.3% | Added |
| California State Teachers Retirement System | 116,090 | $694.0K | 0.00% | +19,295+19.9% | Added |
| Morgan Stanley | 121,714 | $728.0K | 0.00% | +54,808+81.9% | Added |
| Citigroup Inc | 132,537 | $793.0K | 0.00% | +8,238+6.6% | Added |
| Parametric Portfolio Associates LLC | 134,405 | $804.0K | 0.00% | −3,126−2.3% | Reduced |
| Pacific Ridge Capital Partners, LLC | 140,310 | $839.0K | 0.15% | +5,710+4.2% | Added |
| Cowen Prime Advisors LLC | 141,219 | $844.0K | 0.31% | +500+0.4% | Added |
| Russell Investments Group, Ltd. | 142,972 | $854.0K | 0.00% | −2,219−1.5% | Reduced |
| Group One Trading, L.P. | 175,361 | $1.05M | 0.02% | +9,094+5.5% | Added |
| Globeflex Capital L P | 197,647 | $1.18M | 0.26% | 00.0% | Unchanged |
| Swiss National Bank | 211,574 | $1.26M | 0.00% | +3,300+1.6% | Added |
| Hussman Strategic Advisors, Inc. | 310,000 | $1.85M | 0.41% | +124,000+66.7% | Added |