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, Q1 2025
Institutional positions in Ribbon Communications Inc. as of Mar 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
- 144
- +12 vs. Q4 2024
- Shares held
- 127.4M
- +1.71M (+1.4%) vs. Q4 2024
- Total value
- $495.2M
- −$23.2M (−4.5%) vs. Q4 2024
- New holders
- 28
- 44 more added
- Sold out
- 16
- 48 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arlington Trust Co LLC | 6 | $24 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 10 | $39 | 0.00% | +6+150.0% | Added |
| TFC Financial Management | 12 | $48 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 33 | $130 | 0.00% | +33 | New |
| Lindbrook Capital, LLC | 70 | $274 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 80 | $314 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 93 | $365 | 0.00% | +93 | New |
| EverSource Wealth Advisors, LLC | 128 | $502 | 0.00% | +66+106.5% | Added |
| Parkside Financial Bank & Trust | 145 | $569 | 0.00% | +145 | New |
| Coldstream Capital Management Inc | 172 | $675 | 0.00% | +172 | New |
| Maryland Capital Advisors Inc. | 200 | $784 | 0.00% | +200 | New |
| Amundi | 228 | $803 | 0.00% | +228 | New |
| SRS Capital Advisors, Inc. | 237 | $930 | 0.00% | −481−67.0% | Reduced |
| Advisor Group Holdings, Inc. | 266 | $1.04K | 0.00% | +13+5.1% | Added |
| Rothschild Investment LLC | 275 | $1.08K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 417 | $1.64K | 0.00% | +251+151.2% | Added |
| Quadrant Capital Group LLC | 930 | $3.65K | 0.00% | +134+16.8% | Added |
| Simplex Trading, LLC | 1,193 | $4.00K | 0.00% | +1,193 | New |
| The PNC Financial Services Group, Inc. | 1,036 | $4.06K | 0.00% | −5−0.5% | Reduced |
| Aster Capital Management (DIFC) Ltd | 1,136 | $5.36K | 0.00% | +1,136 | New |
| Community Bank, N.A. | 1,400 | $5.49K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,580 | $6.19K | 0.00% | −1,351−46.1% | Reduced |
| Tower Research Capital LLC (TRC) | 1,812 | $7.10K | 0.00% | −1,248−40.8% | Reduced |
| Medallion Wealth Advisors, LLC | 1,920 | $7.37K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 2,701 | $9.67K | 0.00% | 00.0% | Unchanged |
| Uniplan Investment Counsel, Inc. | 2,498 | $9.79K | 0.00% | +2,498 | New |
| US Bancorp | 2,583 | $10.1K | 0.00% | −1,130−30.4% | Reduced |
| CWM, LLC | 2,690 | $11.0K | 0.00% | +2,357+707.8% | Added |
| Amalgamated Bank | 3,119 | $12.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 3,680 | $14.0K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 4,120 | $16.1K | 0.00% | −187−4.3% | Reduced |
| Royal Bank of Canada | 5,877 | $23.0K | 0.00% | −5,655−49.0% | Reduced |
| Fifth Third Bancorp | 6,477 | $25.4K | 0.00% | −6,410−49.7% | Reduced |
| FMR LLC | 7,338 | $28.8K | 0.00% | +3,567+94.6% | Added |
| Ameritas Investment Partners, Inc. | 8,663 | $34.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,296 | $36.4K | 0.00% | 00.0% | Unchanged |
| Fortis Advisors, LLC | 10,000 | $39.2K | 0.03% | 00.0% | Unchanged |
| Grimes & Company, Inc. | 10,030 | $39.3K | 0.00% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 11,100 | $43.5K | 0.00% | −10,238−48.0% | Reduced |
| Heron Bay Capital Management | 12,764 | $50.0K | 0.01% | +12,764 | New |
| Allianz Asset Management GmbH | 14,500 | $56.8K | 0.00% | +14,500 | New |
| Creative Planning | 14,939 | $58.6K | 0.00% | +14,900+38,205.1% | Added |
| NewEdge Wealth, LLC | 15,130 | $59.3K | 0.00% | +1,327+9.6% | Added |
| KLP Kapitalforvaltning AS | 15,500 | $60.8K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 17,600 | $69.0K | 0.00% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 19,218 | $75.3K | 0.04% | +54+0.3% | Added |
| ProShare Advisors LLC | 19,817 | $77.7K | 0.00% | −5,965−23.1% | Reduced |
| CIBC World Markets Corp | 20,313 | $79.6K | 0.00% | +20,313 | New |
| Vista Investment Partners LLC | 20,400 | $80.0K | 0.02% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 21,239 | $83.3K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 22,549 | $88.4K | 0.00% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 24,055 | $94.3K | 0.01% | −249−1.0% | Reduced |
| HighTower Advisors, LLC | 25,091 | $98.4K | 0.00% | −170−0.7% | Reduced |
| Arizona State Retirement System | 27,640 | $108.3K | 0.00% | −183−0.7% | Reduced |
| First Bank & Trust | 29,262 | $114.7K | 0.02% | +29,262 | New |
| Vestmark Advisory Solutions, Inc. | 30,138 | $118.1K | 0.00% | +16,335+118.3% | Added |
| Dynamic Technology Lab Private Ltd | 31,554 | $124.0K | 0.02% | +31,554 | New |
| Envestnet Asset Management Inc | 32,113 | $125.9K | 0.00% | −1,977−5.8% | Reduced |
| Manatuck Hill Partners, LLC | 32,573 | $127.7K | 0.06% | +32,573 | New |
| Prelude Capital Management, LLC | 33,718 | $132.2K | 0.01% | −200−0.6% | Reduced |
| HSBC Holdings PLC | 34,106 | $132.8K | 0.00% | −3,533−9.4% | Reduced |
| Manufacturers Life Insurance Company, The | 34,406 | $134.9K | 0.00% | −228−0.7% | Reduced |
| Colony Group, LLC | 35,580 | $139.5K | 0.00% | +440+1.3% | Added |
| AXA S.A. | 36,762 | $144.1K | 0.00% | +36,762 | New |
| Janus Henderson Group PLC | 35,625 | $144.5K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 37,543 | $147.2K | 0.00% | 00.0% | Unchanged |
| Integrated Quantitative Investments LLC | 38,010 | $149.0K | 0.07% | +38,010 | New |
| MetLife Investment Management | 38,438 | $150.7K | 0.00% | −17,567−31.4% | Reduced |
| BNP Paribas Arbitrage, SA | 42,304 | $165.8K | 0.00% | +29,921+241.6% | Added |
| Gsa Capital Partners LLP | 43,682 | $171.0K | 0.02% | +43,682 | New |
| Corebridge Financial, Inc. | 44,847 | $175.8K | 0.00% | −665−1.5% | Reduced |
| Worth Venture Partners, LLC | 50,564 | $198.2K | 0.38% | +5,000+11.0% | Added |
| Public Employees Retirement System of Ohio | 50,945 | $199.7K | 0.00% | −7,691−13.1% | Reduced |
| Teacher Retirement System of Texas | 53,009 | $207.8K | 0.00% | +53,009 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 54,930 | $215.3K | 0.00% | +2,346+4.5% | Added |
| Los Angeles Capital Management LLC | 58,560 | $229.6K | 0.00% | −8,260−12.4% | Reduced |
| Polymer Capital Management (US) LLC | 59,567 | $233.5K | 0.07% | +46,268+347.9% | Added |
| Wells Fargo & Company | 60,518 | $237.2K | 0.00% | +1,117+1.9% | Added |
| Boothbay Fund Management, LLC | 61,272 | $240.2K | 0.01% | −70,226−53.4% | Reduced |
| Bailard, Inc. | 61,445 | $240.9K | 0.01% | −13,955−18.5% | Reduced |
| SG Americas Securities, LLC | 62,221 | $244.0K | 0.00% | +22,306+55.9% | Added |
| Price T Rowe Associates Inc | 67,334 | $264.0K | 0.00% | +4,730+7.6% | Added |
| Intech Investment Management LLC | 71,538 | $280.4K | 0.00% | +15,302+27.2% | Added |
| Lazard Asset Management LLC | 72,268 | $283.0K | 0.00% | +19,680+37.4% | Added |
| Deutsche Bank AG | 77,070 | $302.1K | 0.00% | −8,189−9.6% | Reduced |
| Assenagon Asset Management S.A. | 78,330 | $307.1K | 0.00% | −42,624−35.2% | Reduced |
| Citigroup Inc | 82,460 | $323.2K | 0.00% | −7,839−8.7% | Reduced |
| Penn Capital Management Co Inc | 89,299 | $350.1K | 0.03% | +75,928+567.9% | Added |
| California State Teachers Retirement System | 89,506 | $350.9K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 95,970 | $376.2K | 0.00% | +15,880+19.8% | Added |
| Alliancebernstein L.P. | 98,887 | $387.6K | 0.00% | −70−0.1% | Reduced |
| Jane Street Group, LLC | 101,211 | $396.7K | 0.00% | +82,361+436.9% | Added |
| Legal & General Group Plc | 102,056 | $400.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 112,648 | $441.6K | 0.00% | +67,043+147.0% | Added |
| Options Solutions, LLC | 121,322 | $475.6K | 0.23% | +121,322 | New |
| Barclays PLC | 134,742 | $528.2K | 0.00% | −45,809−25.4% | Reduced |
| Ameriprise Financial Inc | 136,921 | $536.7K | 0.00% | +300+0.2% | Added |
| Renaissance Technologies LLC | 144,812 | $567.7K | 0.00% | +130,712+927.0% | Added |
| American Century Companies Inc | 146,176 | $573.0K | 0.00% | +46,903+47.2% | Added |
| Squarepoint Ops LLC | 152,716 | $598.6K | 0.00% | +20,788+15.8% | Added |