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 2024
Institutional positions in Ribbon Communications Inc. as of Dec 31, 2024. 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
- 133
- +8 vs. Q3 2024
- Shares held
- 126.0M
- +1.10M (+0.9%) vs. Q3 2024
- Total value
- $519.8M
- +$117.5M (+29.2%) vs. Q3 2024
- New holders
- 21
- 50 more added
- Sold out
- 13
- 37 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 52,037,673 | $216.5M | 0.02% | +960.0% | Added |
| Neuberger Berman Group LLC | 18,463,941 | $72.3M | 0.06% | −74,465−0.4% | Reduced |
| Paradigm Capital Management Inc | 10,138,621 | $42.2M | 1.95% | −454,079−4.3% | Reduced |
| BlackRock, Inc. | 7,790,461 | $32.4M | 0.00% | +108,702+1.4% | Added |
| Vanguard Group Inc | 7,402,073 | $30.8M | 0.00% | +295,524+4.2% | Added |
| Dimensional Fund Advisors LP | 6,314,669 | $26.3M | 0.01% | +302,039+5.0% | Added |
| Royce & Associates LP | 2,802,858 | $11.7M | 0.11% | +266,580+10.5% | Added |
| Geode Capital Management, LLC | 2,096,000 | $8.72M | 0.00% | −5,366−0.3% | Reduced |
| State Street Corp | 1,987,456 | $8.27M | 0.00% | +88,742+4.7% | Added |
| First Wilshire Securities Management Inc | 1,334,473 | $5.55M | 1.51% | +164,738+14.1% | Added |
| Franklin Resources Inc | 1,300,343 | $5.41M | 0.00% | −182,355−12.3% | Reduced |
| Herald Investment Management Ltd | 1,123,678 | $4.67M | 0.77% | −292,191−20.6% | Reduced |
| Northern Trust Corp | 828,163 | $3.45M | 0.00% | +56,461+7.3% | Added |
| First Eagle Investment Management, LLC | 819,369 | $3.41M | 0.01% | +748,090+1,049.5% | Added |
| Charles Schwab Investment Management Inc | 760,767 | $3.16M | 0.00% | −2,125−0.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 675,265 | $2.81M | 0.01% | +258,909+62.2% | Added |
| Arrowstreet Capital, Limited Partnership | 589,756 | $2.45M | 0.00% | −100,314−14.5% | Reduced |
| Victory Capital Management Inc | 555,839 | $2.31M | 0.00% | +51,336+10.2% | Added |
| UBS Group AG | 502,756 | $2.09M | 0.00% | +335,139+199.9% | Added |
| UBS Asset Management Americas Inc | 476,868 | $1.98M | 0.00% | +119,266+33.4% | Added |
| D. E. Shaw & Co., Inc. | 469,499 | $1.95M | 0.00% | +84,999+22.1% | Added |
| Morgan Stanley | 443,409 | $1.84M | 0.00% | +39,611+9.8% | Added |
| Jacobs Levy Equity Management, Inc | 426,932 | $1.78M | 0.01% | +17,556+4.3% | Added |
| Goldman Sachs Group Inc | 416,631 | $1.73M | 0.00% | +46,005+12.4% | Added |
| White Pine Capital LLC | 352,747 | $1.47M | 0.49% | −2,114−0.6% | Reduced |
| Nuveen Asset Management, LLC | 330,620 | $1.38M | 0.00% | −18,208−5.2% | Reduced |
| Bank of New York Mellon Corp | 327,544 | $1.36M | 0.00% | −37,625−10.3% | Reduced |
| Federated Hermes, Inc. | 318,474 | $1.32M | 0.00% | −114,700−26.5% | Reduced |
| Silverberg Bernstein Capital Management LLC | 316,110 | $1.32M | 1.16% | −49,900−13.6% | Reduced |
| Pacific Ridge Capital Partners, LLC | 237,325 | $987.3K | 0.23% | 00.0% | Unchanged |
| Invesco Ltd. | 209,813 | $872.8K | 0.00% | +785+0.4% | Added |
| CWM Advisors, LLC | 202,858 | $843.9K | 0.09% | +202,858 | New |
| Maxi Investments CY Ltd | 195,266 | $812.0K | 0.16% | +195,266 | New |
| Swiss National Bank | 185,474 | $771.6K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 180,551 | $751.1K | 0.00% | +10,441+6.1% | Added |
| Russell Investments Group, Ltd. | 158,108 | $657.7K | 0.00% | +120,743+323.1% | Added |
| Rhumbline Advisers | 155,694 | $647.7K | 0.00% | +13,990+9.9% | Added |
| Ameriprise Financial Inc | 136,621 | $568.3K | 0.00% | +3,622+2.7% | Added |
| Citadel Advisors LLC | 132,280 | $550.3K | 0.00% | +51,024+62.8% | Added |
| Squarepoint Ops LLC | 131,928 | $548.8K | 0.00% | −78,674−37.4% | Reduced |
| Boothbay Fund Management, LLC | 131,498 | $547.0K | 0.02% | +13,657+11.6% | Added |
| Assenagon Asset Management S.A. | 120,954 | $503.2K | 0.00% | −9,030−6.9% | Reduced |
| Voya Investment Management LLC | 115,962 | $482.4K | 0.00% | −3,737−3.1% | Reduced |
| Bank of America Corp | 115,654 | $481.1K | 0.00% | +17,763+18.1% | Added |
| Legal & General Group Plc | 102,056 | $424.6K | 0.00% | +34,753+51.6% | Added |
| American Century Companies Inc | 99,273 | $413.0K | 0.00% | +1,729+1.8% | Added |
| Alliancebernstein L.P. | 98,957 | $411.7K | 0.00% | −4,153−4.0% | Reduced |
| Citigroup Inc | 90,299 | $375.6K | 0.00% | +6,728+8.1% | Added |
| California State Teachers Retirement System | 89,506 | $372.3K | 0.00% | −538−0.6% | Reduced |
| Deutsche Bank AG | 85,259 | $354.7K | 0.00% | +30,760+56.4% | Added |
| SEI Investments Co | 80,090 | $333.1K | 0.00% | −277−0.3% | Reduced |
| Bailard, Inc. | 75,400 | $313.7K | 0.01% | +75,400 | New |
| Los Angeles Capital Management LLC | 66,820 | $278.0K | 0.00% | −13,100−16.4% | Reduced |
| Price T Rowe Associates Inc | 62,604 | $261.0K | 0.00% | +4,978+8.6% | Added |
| Wells Fargo & Company | 59,401 | $247.1K | 0.00% | +11,715+24.6% | Added |
| Public Employees Retirement System of Ohio | 58,636 | $243.9K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 56,236 | $233.9K | 0.00% | +45,713+434.4% | Added |
| MetLife Investment Management | 56,005 | $233.0K | 0.00% | +25,434+83.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 52,584 | $218.7K | 0.00% | +2,288+4.5% | Added |
| Lazard Asset Management LLC | 52,588 | $218.0K | 0.00% | +42,115+402.1% | Added |
| Panagora Asset Management Inc | 50,595 | $210.5K | 0.00% | −130,401−72.0% | Reduced |
| Susquehanna International Group, LLP | 45,605 | $189.7K | 0.00% | +18,508+68.3% | Added |
| Worth Venture Partners, LLC | 45,564 | $189.5K | 1.87% | +10,955+31.7% | Added |
| Corebridge Financial, Inc. | 45,512 | $189.3K | 0.00% | −3,435−7.0% | Reduced |
| SG Americas Securities, LLC | 39,915 | $166.0K | 0.00% | +5,122+14.7% | Added |
| HSBC Holdings PLC | 37,639 | $157.0K | 0.00% | −957−2.5% | Reduced |
| State Board of Administration of Florida Retirement System | 37,543 | $156.2K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 35,625 | $148.4K | 0.00% | 00.0% | Unchanged |
| Colony Group, LLC | 35,140 | $146.2K | 0.00% | +35,140 | New |
| Manufacturers Life Insurance Company, The | 34,634 | $144.1K | 0.00% | −2,122−5.8% | Reduced |
| Envestnet Asset Management Inc | 34,090 | $141.8K | 0.00% | −20,351−37.4% | Reduced |
| Prelude Capital Management, LLC | 33,918 | $141.1K | 0.01% | −6,982−17.1% | Reduced |
| Arizona State Retirement System | 27,823 | $115.7K | 0.00% | +281+1.0% | Added |
| ProShare Advisors LLC | 25,782 | $107.3K | 0.00% | +8,485+49.1% | Added |
| HighTower Advisors, LLC | 25,261 | $105.1K | 0.00% | +113+0.4% | Added |
| Inceptionr LLC | 24,988 | $104.0K | 0.02% | +24,988 | New |
| Essex Financial Services, Inc. | 24,304 | $101.1K | 0.01% | +178+0.7% | Added |
| New York State Common Retirement Fund | 22,549 | $93.8K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 21,800 | $90.7K | 0.00% | −36,000−62.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 21,338 | $88.8K | 0.00% | +21,338 | New |
| Police & Firemen's Retirement System of New Jersey | 21,239 | $88.4K | 0.00% | +21,239 | New |
| Vista Investment Partners LLC | 20,400 | $84.9K | 0.03% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 19,164 | $79.7K | 0.04% | +239+1.3% | Added |
| Jane Street Group, LLC | 18,850 | $78.4K | 0.00% | −56,440−75.0% | Reduced |
| Engineers Gate Manager LP | 18,691 | $77.8K | 0.00% | −22,704−54.8% | Reduced |
| STRS Ohio | 17,600 | $73.2K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 15,500 | $64.5K | 0.00% | +15,500 | New |
| Two Sigma Investments, LP | 14,487 | $60.3K | 0.00% | +128+0.9% | Added |
| Renaissance Technologies LLC | 14,100 | $58.7K | 0.00% | +14,100 | New |
| Vestmark Advisory Solutions, Inc. | 13,803 | $57.4K | 0.00% | 00.0% | Unchanged |
| NewEdge Wealth, LLC | 13,803 | $57.4K | 0.00% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 13,371 | $55.6K | 0.01% | +13,371 | New |
| Polymer Capital Management (US) LLC | 13,299 | $55.3K | 0.02% | +13,299 | New |
| Fifth Third Bancorp | 12,887 | $53.6K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 12,383 | $51.5K | 0.00% | −7,009−36.1% | Reduced |
| Royal Bank of Canada | 11,532 | $48.0K | 0.00% | +2,204+23.6% | Added |
| Millennium Management LLC | 11,453 | $47.6K | 0.00% | −13,918−54.9% | Reduced |
| Walleye Capital LLC | 10,447 | $43.5K | 0.00% | +10,447 | New |
| LPL Financial LLC | 10,095 | $42.0K | 0.00% | −8,995−47.1% | Reduced |
| Grimes & Company, Inc. | 10,030 | $41.7K | 0.00% | 00.0% | Unchanged |