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 2023
Institutional positions in Ribbon Communications Inc. as of Dec 31, 2023. 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
- 125
- +3 vs. Q3 2023
- Shares held
- 122.7M
- +1.14M (+0.9%) vs. Q3 2023
- Total value
- $372.7M
- +$31.5M (+9.2%) vs. Q3 2023
- New holders
- 17
- 44 more added
- Sold out
- 14
- 40 more reduced
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 51,595,932 | $149.6M | 0.02% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 18,438,832 | $70.3M | 0.06% | −446,940−2.4% | Reduced |
| Paradigm Capital Management Inc | 9,052,600 | $26.3M | 1.37% | +1,557,200+20.8% | Added |
| BlackRock Inc. | 7,560,299 | $21.9M | 0.00% | +298,995+4.1% | Added |
| Vanguard Group Inc | 6,983,212 | $20.3M | 0.00% | +120,901+1.8% | Added |
| Dimensional Fund Advisors LP | 5,155,569 | $15.0M | 0.00% | +233,501+4.7% | Added |
| Geode Capital Management, LLC | 2,006,688 | $5.82M | 0.00% | +84,192+4.4% | Added |
| Putnam Investments LLC | 1,991,344 | $5.77M | 0.01% | +6120.0% | Added |
| Royce & Associates LP | 1,844,444 | $5.35M | 0.05% | +234,000+14.5% | Added |
| State Street Corp | 1,757,469 | $5.10M | 0.00% | +33,182+1.9% | Added |
| Herald Investment Management Ltd | 1,415,869 | $4.11M | 0.78% | 00.0% | Unchanged |
| First Wilshire Securities Management Inc | 1,179,348 | $3.42M | 1.11% | −584,624−33.1% | Reduced |
| Northern Trust Corp | 862,375 | $2.50M | 0.00% | +9,537+1.1% | Added |
| Jacobs Levy Equity Management, Inc | 850,767 | $2.47M | 0.01% | −143,344−14.4% | Reduced |
| Intrinsic Edge Capital Management LLC | 730,717 | $2.12M | 0.23% | −277,199−27.5% | Reduced |
| Charles Schwab Investment Management Inc | 690,263 | $2.00M | 0.00% | +8,765+1.3% | Added |
| Brandes Investment Partners, LP | 640,945 | $1.86M | 0.03% | +193,829+43.4% | Added |
| Arrowstreet Capital, Limited Partnership | 624,353 | $1.81M | 0.00% | −423,093−40.4% | Reduced |
| Nuveen Asset Management, LLC | 466,965 | $1.35M | 0.00% | −75,186−13.9% | Reduced |
| D. E. Shaw & Co., Inc. | 430,612 | $1.25M | 0.00% | −103,028−19.3% | Reduced |
| Federated Hermes, Inc. | 425,621 | $1.23M | 0.00% | +8,671+2.1% | Added |
| Bank of New York Mellon Corp | 419,751 | $1.22M | 0.00% | +99,530+31.1% | Added |
| Silverberg Bernstein Capital Management LLC | 405,593 | $1.18M | 1.12% | +405,593 | New |
| Morgan Stanley | 387,565 | $1.12M | 0.00% | +182,253+88.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 367,638 | $1.07M | 0.00% | −4,423−1.2% | Reduced |
| Victory Capital Management Inc | 295,103 | $855.8K | 0.00% | +66,949+29.3% | Added |
| Credit Suisse AG | 270,791 | $785.3K | 0.00% | +30,498+12.7% | Added |
| White Pine Capital LLC | 270,521 | $784.5K | 0.30% | −10,169−3.6% | Reduced |
| Algert Global LLC | 251,160 | $728.4K | 0.03% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 238,300 | $691.1K | 0.00% | −47,800−16.7% | Reduced |
| Squarepoint Ops LLC | 234,642 | $680.5K | 0.00% | −38,103−14.0% | Reduced |
| Goldman Sachs Group Inc | 231,377 | $671.0K | 0.00% | −35,781−13.4% | Reduced |
| Gsa Capital Partners LLP | 188,714 | $547.0K | 0.05% | +144,543+327.2% | Added |
| Bank of America Corp | 186,502 | $540.9K | 0.00% | +47,009+33.7% | Added |
| Swiss National Bank | 185,474 | $537.9K | 0.00% | −17,200−8.5% | Reduced |
| Barclays PLC | 174,490 | $506.0K | 0.00% | +113,670+186.9% | Added |
| UBS Asset Management Americas Inc | 157,563 | $456.9K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 149,386 | $433.2K | 0.00% | +10,147+7.3% | Added |
| Acadian Asset Management LLC | 149,824 | $433.0K | 0.00% | −198,666−57.0% | Reduced |
| Rhumbline Advisers | 141,128 | $409.3K | 0.00% | −16,364−10.4% | Reduced |
| Pacific Ridge Capital Partners, LLC | 138,769 | $402.4K | 0.08% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 136,294 | $395.3K | 0.00% | −14,000−9.3% | Reduced |
| Assenagon Asset Management S.A. | 133,443 | $387.0K | 0.00% | +133,443 | New |
| Invesco Ltd. | 125,725 | $364.6K | 0.00% | −2,062−1.6% | Reduced |
| Los Angeles Capital Management LLC | 120,620 | $349.8K | 0.00% | +38,650+47.2% | Added |
| Boothbay Fund Management, LLC | 113,298 | $328.6K | 0.01% | −39,410−25.8% | Reduced |
| UBS Group AG | 104,978 | $304.4K | 0.00% | +40,570+63.0% | Added |
| Panagora Asset Management Inc | 102,104 | $296.1K | 0.00% | +102,104 | New |
| New York Life Investment Management LLC | 101,370 | $294.0K | 0.00% | −2,737−2.6% | Reduced |
| California State Teachers Retirement System | 98,213 | $284.8K | 0.00% | −4,124−4.0% | Reduced |
| Bailard, Inc. | 88,473 | $256.6K | 0.01% | +88,473 | New |
| SG Capital Management LLC | 88,110 | $255.5K | 0.09% | +4,449+5.3% | Added |
| Alliancebernstein L.P. | 87,300 | $253.2K | 0.00% | +4,558+5.5% | Added |
| Price T Rowe Associates Inc | 77,101 | $224.0K | 0.00% | +2,286+3.1% | Added |
| Engineers Gate Manager LP | 72,775 | $211.0K | 0.01% | −11,079−13.2% | Reduced |
| Citadel Advisors LLC | 70,462 | $204.3K | 0.00% | +13,712+24.2% | Added |
| Millennium Management LLC | 68,031 | $197.3K | 0.00% | −34,466−33.6% | Reduced |
| Public Employees Retirement System of Ohio | 65,974 | $191.3K | 0.00% | −10,500−13.7% | Reduced |
| Legal & General Group Plc | 65,828 | $190.9K | 0.00% | 00.0% | Unchanged |
| Meridian Wealth Advisors, LLC | 64,866 | $188.1K | 0.04% | 00.0% | Unchanged |
| SEI Investments Co | 60,801 | $176.4K | 0.00% | −14,056−18.8% | Reduced |
| SG Americas Securities, LLC | 50,197 | $146.0K | 0.00% | +9,943+24.7% | Added |
| Russell Investments Group, Ltd. | 49,035 | $142.2K | 0.00% | −186,974−79.2% | Reduced |
| Jane Street Group, LLC | 47,902 | $138.9K | 0.00% | −1,556−3.1% | Reduced |
| Commonwealth Equity Services, LLC | 47,150 | $137.0K | 0.00% | +47,150 | New |
| Two Sigma Investments, LP | 45,847 | $133.0K | 0.00% | −65,462−58.8% | Reduced |
| American International Group, Inc. | 44,155 | $128.1K | 0.00% | −179−0.4% | Reduced |
| American Century Companies Inc | 43,396 | $125.8K | 0.00% | +3,903+9.9% | Added |
| Great West Life Assurance Co | 42,808 | $123.0K | 0.00% | +39,128+1,063.3% | Added |
| Citigroup Inc | 42,395 | $122.9K | 0.00% | +15,344+56.7% | Added |
| New York State Common Retirement Fund | 39,701 | $115.1K | 0.00% | +55+0.1% | Added |
| MetLife Investment Management | 38,295 | $111.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 38,032 | $110.3K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 37,794 | $109.6K | 0.00% | −6,389−14.5% | Reduced |
| Deutsche Bank AG | 37,727 | $109.4K | 0.00% | +1,453+4.0% | Added |
| State Board of Administration of Florida Retirement System | 37,543 | $108.9K | 0.00% | 00.0% | Unchanged |
| Palisade Capital Management LLC | 37,500 | $108.8K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 36,342 | $105.6K | 0.00% | −115−0.3% | Reduced |
| Wells Fargo & Company | 36,323 | $105.3K | 0.00% | +10,393+40.1% | Added |
| Envestnet Asset Management Inc | 35,507 | $103.0K | 0.00% | +6,095+20.7% | Added |
| Worth Venture Partners, LLC | 33,183 | $96.2K | 0.05% | −34,405−50.9% | Reduced |
| Arizona State Retirement System | 26,314 | $76.3K | 0.00% | −343−1.3% | Reduced |
| HighTower Advisors, LLC | 25,080 | $73.0K | 0.00% | +130+0.5% | Added |
| BNP Paribas Arbitrage, SA | 24,444 | $70.9K | 0.00% | −13,620−35.8% | Reduced |
| Essex Financial Services, Inc. | 24,000 | $69.6K | 0.01% | 00.0% | Unchanged |
| Royal Bank of Canada | 23,014 | $67.0K | 0.00% | +8,099+54.3% | Added |
| HSBC Holdings PLC | 21,214 | $61.4K | 0.00% | −4,482−17.4% | Reduced |
| Vista Investment Partners LLC | 20,400 | $59.2K | 0.02% | +20,400 | New |
| Ironwood Investment Management LLC | 18,866 | $54.7K | 0.03% | −392−2.0% | Reduced |
| Wolverine Trading, LLC | 18,196 | $52.8K | 0.00% | +18,196 | New |
| Qtron Investments LLC | 17,986 | $52.2K | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 15,724 | $45.6K | 0.00% | +15,724 | New |
| Caxton Associates LP | 15,169 | $44.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 15,156 | $43.0K | 0.00% | +4,397+40.9% | Added |
| ProShare Advisors LLC | 14,704 | $42.6K | 0.00% | +3,163+27.4% | Added |
| Renaissance Technologies LLC | 14,000 | $41.0K | 0.00% | −17,600−55.7% | Reduced |
| Vestmark Advisory Solutions, Inc. | 13,803 | $40.0K | 0.00% | +13,803 | New |
| NewEdge Wealth, LLC | 13,803 | $40.0K | 0.00% | +13,803 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,942 | $37.5K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 11,900 | $34.5K | 0.00% | +11,900 | New |