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 |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 52,038,874 | $204.0M | 0.02% | +1,2010.0% | Added |
| Neuberger Berman Group LLC | 18,311,527 | $67.5M | 0.06% | −152,414−0.8% | Reduced |
| Paradigm Capital Management Inc | 9,511,200 | $37.3M | 2.07% | −627,421−6.2% | Reduced |
| BlackRock, Inc. | 7,788,905 | $30.5M | 0.00% | −1,5560.0% | Reduced |
| Vanguard Group Inc | 7,457,467 | $29.2M | 0.00% | +55,394+0.7% | Added |
| Dimensional Fund Advisors LP | 6,373,335 | $25.0M | 0.01% | +58,666+0.9% | Added |
| Royce & Associates LP | 3,092,068 | $12.1M | 0.13% | +289,210+10.3% | Added |
| Geode Capital Management, LLC | 2,133,854 | $8.37M | 0.00% | +37,854+1.8% | Added |
| State Street Corp | 2,002,617 | $7.85M | 0.00% | +15,161+0.8% | Added |
| First Wilshire Securities Management Inc | 1,337,214 | $5.24M | 1.50% | +2,741+0.2% | Added |
| Franklin Resources Inc | 1,220,680 | $4.79M | 0.00% | −79,663−6.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 1,189,250 | $4.66M | 0.02% | +513,985+76.1% | Added |
| Herald Investment Management Ltd | 912,869 | $3.58M | 0.67% | −210,809−18.8% | Reduced |
| First Eagle Investment Management, LLC | 880,755 | $3.45M | 0.01% | +61,386+7.5% | Added |
| Northern Trust Corp | 806,938 | $3.16M | 0.00% | −21,225−2.6% | Reduced |
| Charles Schwab Investment Management Inc | 747,781 | $2.93M | 0.00% | −12,986−1.7% | Reduced |
| Victory Capital Management Inc | 605,306 | $2.37M | 0.00% | +49,467+8.9% | Added |
| Arrowstreet Capital, Limited Partnership | 556,324 | $2.18M | 0.00% | −33,432−5.7% | Reduced |
| D. E. Shaw & Co., Inc. | 416,687 | $1.63M | 0.00% | −52,812−11.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 415,268 | $1.63M | 0.01% | −11,664−2.7% | Reduced |
| Morgan Stanley | 392,870 | $1.54M | 0.00% | −50,539−11.4% | Reduced |
| Goldman Sachs Group Inc | 357,340 | $1.40M | 0.00% | −59,291−14.2% | Reduced |
| White Pine Capital LLC | 355,522 | $1.39M | 0.48% | +2,775+0.8% | Added |
| Nuveen, LLC | 330,794 | $1.30M | 0.00% | +330,794 | New |
| Hillsdale Investment Management Inc. | 326,627 | $1.28M | 0.07% | +326,627 | New |
| Bank of America Corp | 321,060 | $1.26M | 0.00% | +205,406+177.6% | Added |
| Bank of New York Mellon Corp | 319,543 | $1.25M | 0.00% | −8,001−2.4% | Reduced |
| Raymond James Financial Inc | 295,428 | $1.16M | 0.00% | +295,428 | New |
| Silverberg Bernstein Capital Management LLC | 293,583 | $1.15M | 1.07% | −22,527−7.1% | Reduced |
| Commonwealth Equity Services, LLC | 289,276 | $1.13M | 0.00% | +289,276 | New |
| UBS Asset Management Americas Inc | 285,649 | $1.12M | 0.00% | −191,219−40.1% | Reduced |
| Millennium Management LLC | 245,099 | $960.8K | 0.00% | +233,646+2,040.0% | Added |
| Pacific Ridge Capital Partners, LLC | 235,329 | $922.5K | 0.24% | −1,996−0.8% | Reduced |
| AQR Capital Management LLC | 205,287 | $804.7K | 0.00% | +205,287 | New |
| UBS Group AG | 203,211 | $796.6K | 0.00% | −299,545−59.6% | Reduced |
| State of Wisconsin Investment Board | 199,284 | $781.2K | 0.00% | +199,284 | New |
| CWM Advisors, LLC | 192,780 | $755.7K | 0.09% | −10,078−5.0% | Reduced |
| Russell Investments Group, Ltd. | 188,436 | $738.7K | 0.00% | +30,328+19.2% | Added |
| Invesco Ltd. | 186,705 | $731.9K | 0.00% | −23,108−11.0% | Reduced |
| Swiss National Bank | 185,474 | $727.1K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 178,000 | $697.8K | 0.02% | +178,000 | New |
| Voya Investment Management LLC | 167,754 | $657.6K | 0.00% | +51,792+44.7% | Added |
| XTX Topco Ltd | 157,828 | $618.7K | 0.03% | +157,828 | New |
| Rhumbline Advisers | 153,183 | $600.5K | 0.00% | −2,511−1.6% | Reduced |
| Squarepoint Ops LLC | 152,716 | $598.6K | 0.00% | +20,788+15.8% | Added |
| American Century Companies Inc | 146,176 | $573.0K | 0.00% | +46,903+47.2% | Added |
| Renaissance Technologies LLC | 144,812 | $567.7K | 0.00% | +130,712+927.0% | Added |
| Ameriprise Financial Inc | 136,921 | $536.7K | 0.00% | +300+0.2% | Added |
| Barclays PLC | 134,742 | $528.2K | 0.00% | −45,809−25.4% | Reduced |
| Options Solutions, LLC | 121,322 | $475.6K | 0.23% | +121,322 | New |
| Susquehanna International Group, LLP | 112,648 | $441.6K | 0.00% | +67,043+147.0% | Added |
| Legal & General Group Plc | 102,056 | $400.1K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 101,211 | $396.7K | 0.00% | +82,361+436.9% | Added |
| Alliancebernstein L.P. | 98,887 | $387.6K | 0.00% | −70−0.1% | Reduced |
| SEI Investments Co | 95,970 | $376.2K | 0.00% | +15,880+19.8% | Added |
| California State Teachers Retirement System | 89,506 | $350.9K | 0.00% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 89,299 | $350.1K | 0.03% | +75,928+567.9% | Added |
| Citigroup Inc | 82,460 | $323.2K | 0.00% | −7,839−8.7% | Reduced |
| Assenagon Asset Management S.A. | 78,330 | $307.1K | 0.00% | −42,624−35.2% | Reduced |
| Deutsche Bank AG | 77,070 | $302.1K | 0.00% | −8,189−9.6% | Reduced |
| Lazard Asset Management LLC | 72,268 | $283.0K | 0.00% | +19,680+37.4% | Added |
| Intech Investment Management LLC | 71,538 | $280.4K | 0.00% | +15,302+27.2% | Added |
| Price T Rowe Associates Inc | 67,334 | $264.0K | 0.00% | +4,730+7.6% | Added |
| SG Americas Securities, LLC | 62,221 | $244.0K | 0.00% | +22,306+55.9% | Added |
| Bailard, Inc. | 61,445 | $240.9K | 0.01% | −13,955−18.5% | Reduced |
| Boothbay Fund Management, LLC | 61,272 | $240.2K | 0.01% | −70,226−53.4% | Reduced |
| Wells Fargo & Company | 60,518 | $237.2K | 0.00% | +1,117+1.9% | Added |
| Polymer Capital Management (US) LLC | 59,567 | $233.5K | 0.07% | +46,268+347.9% | Added |
| Los Angeles Capital Management LLC | 58,560 | $229.6K | 0.00% | −8,260−12.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 54,930 | $215.3K | 0.00% | +2,346+4.5% | Added |
| Teacher Retirement System of Texas | 53,009 | $207.8K | 0.00% | +53,009 | New |
| Public Employees Retirement System of Ohio | 50,945 | $199.7K | 0.00% | −7,691−13.1% | Reduced |
| Worth Venture Partners, LLC | 50,564 | $198.2K | 0.38% | +5,000+11.0% | Added |
| Corebridge Financial, Inc. | 44,847 | $175.8K | 0.00% | −665−1.5% | Reduced |
| Gsa Capital Partners LLP | 43,682 | $171.0K | 0.02% | +43,682 | New |
| BNP Paribas Arbitrage, SA | 42,304 | $165.8K | 0.00% | +29,921+241.6% | Added |
| MetLife Investment Management | 38,438 | $150.7K | 0.00% | −17,567−31.4% | Reduced |
| Integrated Quantitative Investments LLC | 38,010 | $149.0K | 0.07% | +38,010 | New |
| State Board of Administration of Florida Retirement System | 37,543 | $147.2K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 35,625 | $144.5K | 0.00% | 00.0% | Unchanged |
| AXA S.A. | 36,762 | $144.1K | 0.00% | +36,762 | New |
| Colony Group, LLC | 35,580 | $139.5K | 0.00% | +440+1.3% | Added |
| Manufacturers Life Insurance Company, The | 34,406 | $134.9K | 0.00% | −228−0.7% | Reduced |
| HSBC Holdings PLC | 34,106 | $132.8K | 0.00% | −3,533−9.4% | Reduced |
| Prelude Capital Management, LLC | 33,718 | $132.2K | 0.01% | −200−0.6% | Reduced |
| Manatuck Hill Partners, LLC | 32,573 | $127.7K | 0.06% | +32,573 | New |
| Envestnet Asset Management Inc | 32,113 | $125.9K | 0.00% | −1,977−5.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 31,554 | $124.0K | 0.02% | +31,554 | New |
| Vestmark Advisory Solutions, Inc. | 30,138 | $118.1K | 0.00% | +16,335+118.3% | Added |
| First Bank & Trust | 29,262 | $114.7K | 0.02% | +29,262 | New |
| Arizona State Retirement System | 27,640 | $108.3K | 0.00% | −183−0.7% | Reduced |
| HighTower Advisors, LLC | 25,091 | $98.4K | 0.00% | −170−0.7% | Reduced |
| Essex Financial Services, Inc. | 24,055 | $94.3K | 0.01% | −249−1.0% | Reduced |
| New York State Common Retirement Fund | 22,549 | $88.4K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 21,239 | $83.3K | 0.00% | 00.0% | Unchanged |
| Vista Investment Partners LLC | 20,400 | $80.0K | 0.02% | 00.0% | Unchanged |
| CIBC World Markets Corp | 20,313 | $79.6K | 0.00% | +20,313 | New |
| ProShare Advisors LLC | 19,817 | $77.7K | 0.00% | −5,965−23.1% | Reduced |
| Ironwood Investment Management LLC | 19,218 | $75.3K | 0.04% | +54+0.3% | Added |
| STRS Ohio | 17,600 | $69.0K | 0.00% | 00.0% | Unchanged |