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, Q4 2025
Institutional positions in Ribbon Communications Inc. as of Dec 31, 2025. 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
- 153
- +1 vs. Q3 2025
- Shares held
- 129.7M
- +49.9K (0.0%) vs. Q3 2025
- Total value
- $369.2M
- −$118.4M (−24.3%) vs. Q3 2025
- New holders
- 25
- 56 more added
- Sold out
- 24
- 51 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EverSource Wealth Advisors, LLC | 2 | $6 | 0.00% | −163−98.8% | Reduced |
| True Wealth Design, LLC | 3 | $9 | 0.00% | −253−98.8% | Reduced |
| Arlington Trust Co LLC | 6 | $17 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 9 | $26 | 0.00% | +6+200.0% | Added |
| TFC Financial Management | 12 | $35 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 13 | $37 | 0.00% | −261−95.3% | Reduced |
| Signaturefd, LLC | 38 | $109 | 0.00% | −109−74.1% | Reduced |
| GAMMA Investing LLC | 52 | $150 | 0.00% | +42+420.0% | Added |
| MAI Capital Management | 78 | $225 | 0.00% | +78 | New |
| CoreCap Advisors, LLC | 80 | $230 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 157 | $452 | 0.00% | −9−5.4% | Reduced |
| IFP Advisors, Inc | 163 | $469 | 0.00% | −70−30.0% | Reduced |
| Quadrant Capital Group LLC | 168 | $484 | 0.00% | +168 | New |
| Rothschild Investment LLC | 170 | $490 | 0.00% | −250−59.5% | Reduced |
| Larson Financial Group LLC | 171 | $492 | 0.00% | +69+67.6% | Added |
| Parallel Advisors, LLC | 207 | $596 | 0.00% | +207 | New |
| SRS Capital Advisors, Inc. | 718 | $2.07K | 0.00% | −3,336−82.3% | Reduced |
| Colonial Trust Advisors | 1,000 | $2.88K | 0.00% | +1,000 | New |
| The PNC Financial Services Group, Inc. | 1,063 | $3.06K | 0.00% | +27+2.6% | Added |
| Community Bank, N.A. | 1,400 | $4.02K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 1,697 | $4.89K | 0.00% | +1,697 | New |
| Medallion Wealth Advisors, LLC | 1,920 | $5.53K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 2,194 | $6.00K | 0.00% | −1,744−44.3% | Reduced |
| US Bancorp | 2,085 | $6.00K | 0.00% | −73−3.4% | Reduced |
| Simplex Trading, LLC | 2,586 | $7.45K | 0.00% | −17,356−87.0% | Reduced |
| Amalgamated Bank | 2,947 | $8.00K | 0.00% | −172−5.5% | Reduced |
| Allworth Financial LP | 3,005 | $8.65K | 0.00% | +48+1.6% | Added |
| Royal Bank of Canada | 3,114 | $9.00K | 0.00% | −102−3.2% | Reduced |
| Great West Life Assurance Co | 3,680 | $11.0K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 4,522 | $13.0K | 0.00% | −22−0.5% | Reduced |
| Comerica Bank | 4,792 | $13.8K | 0.00% | +1,051+28.1% | Added |
| Sterling Capital Management LLC | 5,407 | $15.6K | 0.00% | −1,065−16.5% | Reduced |
| Rockefeller Capital Management L.P. | 6,408 | $18.5K | 0.00% | +214+3.5% | Added |
| Advisor Group Holdings, Inc. | 7,577 | $21.8K | 0.00% | +7,296+2,596.4% | Added |
| Ameritas Investment Partners, Inc. | 8,663 | $24.9K | 0.00% | 00.0% | Unchanged |
| Fortis Advisors, LLC | 10,000 | $28.8K | 0.02% | 00.0% | Unchanged |
| Kathmere Capital Management, LLC | 10,000 | $28.8K | 0.00% | +10,000 | New |
| Grimes & Company, Inc. | 10,030 | $28.9K | 0.00% | 00.0% | Unchanged |
| Indivisible Partners | 10,257 | $29.5K | 0.00% | +10,257 | New |
| Keel Point, LLC | 10,721 | $30.9K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 10,652 | $31.4K | 0.00% | +10,652 | New |
| Boothbay Fund Management, LLC | 11,104 | $32.0K | 0.00% | −9,379−45.8% | Reduced |
| DGS Capital Management, LLC | 12,475 | $35.9K | 0.01% | +12,475 | New |
| JMN Financial LLC | 12,475 | $35.9K | 0.04% | +12,475 | New |
| nVerses Capital, LLC | 12,987 | $37.4K | 0.08% | +12,987 | New |
| FMR LLC | 13,273 | $38.2K | 0.00% | +8,383+171.4% | Added |
| White Pine Capital LLC | 13,335 | $38.4K | 0.01% | −287,450−95.6% | Reduced |
| LPL Financial LLC | 13,912 | $40.1K | 0.00% | +648+4.9% | Added |
| Tower Research Capital LLC (TRC) | 14,787 | $42.6K | 0.00% | +10,480+243.3% | Added |
| Sherbrooke Park Advisers LLC | 15,656 | $45.1K | 0.12% | +15,656 | New |
| Two Sigma Investments, LP | 16,984 | $48.9K | 0.00% | −14,016−45.2% | Reduced |
| ProShare Advisors LLC | 17,143 | $49.4K | 0.00% | +1,076+6.7% | Added |
| Jones Financial Companies LLLP | 17,268 | $49.7K | 0.00% | +17,268 | New |
| STRS Ohio | 17,600 | $50.7K | 0.00% | 00.0% | Unchanged |
| Amundi | 17,768 | $51.2K | 0.00% | +17,768 | New |
| Brevan Howard Capital Management LP | 18,219 | $52.5K | 0.00% | +2,720+17.5% | Added |
| Ironwood Investment Management LLC | 18,350 | $52.8K | 0.02% | −52−0.3% | Reduced |
| BNP Paribas Arbitrage, SA | 19,708 | $56.8K | 0.00% | +1,414+7.7% | Added |
| Vista Investment Partners LLC | 20,400 | $58.8K | 0.02% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 20,800 | $59.9K | 0.00% | +5,300+34.2% | Added |
| GWM Advisors LLC | 22,179 | $63.9K | 0.00% | +4,296+24.0% | Added |
| Rpo LLC | 22,208 | $64.0K | 0.07% | +22,208 | New |
| New York State Common Retirement Fund | 22,549 | $64.9K | 0.00% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 24,518 | $70.6K | 0.00% | +13+0.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 24,692 | $71.1K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 25,390 | $72.0K | 0.00% | +17,631+227.2% | Added |
| Envestnet Asset Management Inc | 26,714 | $76.9K | 0.00% | −2,340−8.1% | Reduced |
| Intech Investment Management LLC | 27,087 | $78.0K | 0.00% | −12,640−31.8% | Reduced |
| Arizona State Retirement System | 27,369 | $78.8K | 0.00% | −1,327−4.6% | Reduced |
| Global Retirement Partners, LLC | 29,778 | $85.8K | 0.00% | +29,778 | New |
| Two Sigma Securities, LLC | 30,746 | $88.5K | 0.01% | +30,746 | New |
| Manufacturers Life Insurance Company, The | 31,286 | $90.1K | 0.00% | −2,746−8.1% | Reduced |
| Winton Group Ltd | 33,095 | $95.3K | 0.00% | +33,095 | New |
| Citigroup Inc | 33,340 | $96.0K | 0.00% | +6,668+25.0% | Added |
| Colony Group, LLC | 35,100 | $101.1K | 0.00% | +100.0% | Added |
| Janus Henderson Group PLC | 35,625 | $102.8K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 37,319 | $107.5K | 0.00% | −16,669−30.9% | Reduced |
| State Board of Administration of Florida Retirement System | 37,543 | $108.1K | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 40,355 | $116.2K | 0.00% | −10,288−20.3% | Reduced |
| Verition Fund Management LLC | 40,496 | $116.6K | 0.00% | +40,496 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 40,666 | $117.0K | 0.00% | +38,121+1,497.9% | Added |
| Prelude Capital Management, LLC | 40,738 | $117.3K | 0.01% | +7,900+24.1% | Added |
| SG Americas Securities, LLC | 41,537 | $120.0K | 0.00% | +21,041+102.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 43,577 | $125.5K | 0.00% | −1,137−2.5% | Reduced |
| Qube Research & Technologies Ltd | 44,058 | $126.9K | 0.00% | +44,058 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 47,307 | $136.2K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 42,367 | $142.4K | 0.00% | +738+1.8% | Added |
| Citadel Advisors LLC | 53,903 | $155.2K | 0.00% | −1,651−3.0% | Reduced |
| Millennium Management LLC | 54,306 | $156.4K | 0.00% | +54,306 | New |
| Susquehanna Fundamental Investments, LLC | 54,537 | $157.1K | 0.01% | +36,136+196.4% | Added |
| Engineers Gate Manager LP | 55,480 | $159.8K | 0.00% | +55,480 | New |
| Oxford Asset Management LLP | 55,568 | $160.0K | 0.06% | +55,568 | New |
| Public Employees Retirement System of Ohio | 60,645 | $174.7K | 0.00% | +9,700+19.0% | Added |
| Trilogy Capital Inc. | 65,360 | $188.2K | 0.01% | +40,510+163.0% | Added |
| Price T Rowe Associates Inc | 69,822 | $202.0K | 0.00% | +9,103+15.0% | Added |
| Franklin Resources Inc | 71,204 | $205.1K | 0.00% | −526,459−88.1% | Reduced |
| Bailard, Inc. | 74,800 | $215.4K | 0.00% | +2,600+3.6% | Added |
| Deutsche Bank AG | 85,667 | $246.7K | 0.00% | +4,379+5.4% | Added |
| Russell Investments Group, Ltd. | 87,532 | $252.1K | 0.00% | −242,655−73.5% | Reduced |
| California State Teachers Retirement System | 88,452 | $254.7K | 0.00% | −73−0.1% | Reduced |