Ribbon CommunicationsRBBN
13F holders, Q1 2026 (March 31)150holders −3
33new positions
35sold out
4famous investors
$2.07avg. 13F price*
At the end of Q1 2026, 150 institutions reported holding Ribbon Communications Inc. (RBBN) in their 13F filings, down 3 from Q4 2025. 33 opened new positions and 35 sold out. The largest holders were JPMorgan Chase & Co. ($108.0M), Neuberger Berman Group LLC ($33.2M) and Paradigm Capital Management Inc. ($17.0M). 4 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ribbon Communications Inc.
- CUSIP
- 762544104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 33 | $1.9M |
| Exits | 35 | $8.8M |
All 13F filers, Q4 2025 → Q1 2026: 5,997,403 shares bought and 6,772,204 shares sold, net −774,801 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 150 holders
| JPMorgan Chase & Co. | 0.01% | Add +0.0% | 52,043,036 | $108.0M |
| Neuberger Berman Group LLC | 0.03% | Reduce -0.4% | 17,361,988 | $33.2M |
| Paradigm Capital Management Inc. | 0.65% | Reduce -3.5% | 8,036,335 | $17.0M |
| BlackRock, Inc. | 0.00% | Reduce -12.3% | 6,724,007 | $14.3M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -1.9% | 6,351,110 | $13.5M |
| Royce & Associates LP | 0.10% | Add +5.7% | 4,879,741 | $10.3M |
| Vanguard Capital Management LLC | 0.00% | — | 4,216,459 | $8.9M |
| Vanguard Portfolio Management LLC | 0.00% | — | 3,335,665 | $7.1M |
| Geode Capital Management, LLC | 0.00% | Add +4.9% | 2,414,560 | $5.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +4.7% | 2,089,722 | $4.4M |
| State Street Corp. | 0.00% | Reduce -9.0% | 1,910,027 | $4.0M |
| D. E. Shaw & Co. | 0.00% | Add +57.0% | 1,538,472 | $3.3M |
| Acadian Asset Management LLC | 0.00% | Add +89.0% | 1,438,490 | $3.0M |
| First Wilshire Securities Management Inc. | 0.67% | Add +11.0% | 1,407,178 | $3.0M |
| AQR Capital Management | 0.00% | Add +155.8% | 1,257,347 | $2.7M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +18.2% | 1,216,876 | $2.6M |
| Marshall Wace, LLP | 0.00% | Add +343.2% | 769,787 | $1.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -5.4% | 744,745 | $1.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -7.9% | 708,163 | $1.5M |
| Northern Trust Corp. | 0.00% | Reduce -23.5% | 705,858 | $1.5M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -23.0% | 685,310 | $1.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 587,429 | $1.2M |
| Citadel Advisors | 0.00% | Add +966.7% | 574,989 | $1.2M |
| Millennium Management | 0.00% | Add +804.7% | 491,320 | $1.0M |
| Silverberg Bernstein Capital Management LLC | 0.51% | Add +0.5% | 438,123 | $929K |
| Morgan Stanley | 0.00% | Add +7.9% | 423,465 | $898K |
| Victory Capital Management Inc. | 0.00% | Add +20.8% | 422,351 | $895K |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.2% | 377,364 | $800K |
| Russell Investments Group, Ltd. | 0.00% | Add +302.0% | 351,873 | $746K |
| Gsa Capital Partners LLP | 0.04% | Add +1.8% | 292,756 | $621K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -0.0% | 284,723 | $604K |
| Pacific Ridge Capital Partners, LLC | 0.11% | Add +0.0% | 246,176 | $522K |
| American Century Companies Inc. | 0.00% | Reduce -0.7% | 212,363 | $450K |
| Bank of America Corp. | 0.00% | Add +41.0% | 208,230 | $441K |
| Voya Investment Management LLC | 0.00% | Add +38.9% | 207,699 | $440K |
| OP Asset Management Ltd | 0.00% | New | 206,802 | $438K |
| ExodusPoint Capital Management, LP | 0.00% | Reduce -0.7% | 196,908 | $417K |
| UBS Group AG | 0.00% | Add +0.8% | 192,850 | $409K |
| Invesco Ltd. | 0.00% | Add +7.7% | 181,843 | $386K |
| Nuveen, LLC | 0.00% | Add +0.6% | 177,201 | $376K |
| Alliancebernstein L.P. | 0.00% | Add +0.8% | 120,149 | $346K |
| XTX Topco Ltd | 0.01% | Add +56.4% | 160,942 | $341K |
| EntryPoint Capital, LLC | 0.09% | Add +12.6% | 140,304 | $297K |
| Engineers Gate Manager LP | 0.00% | Add +152.3% | 139,962 | $297K |
| LSV Asset Management | 0.00% | No change | 135,800 | $288K |
| Rhumbline Advisers | 0.00% | Add +0.1% | 128,405 | $272K |
| Vanguard Global Advisers, LLC | 0.00% | — | 126,258 | $268K |
| Franklin Resources Inc. | 0.00% | Add +52.8% | 108,769 | $231K |
| Ameriprise Financial Inc. | 0.00% | Reduce -16.7% | 107,484 | $228K |
| Barclays PLC | 0.00% | Reduce -49.7% | 101,833 | $216K |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.03% | Reduce -87.5% | 100,000 | $212K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | Reduce -15.2% | 93,190 | $198K |
| Bridgeway Capital Management, LLC | 0.00% | New | 88,231 | $187K |
| Empowered Funds, LLC | 0.00% | New | 88,231 | $187K |
| Sei Investments Co. | 0.00% | Reduce -41.7% | 81,706 | $173K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 69,822 | $149K |
| Creative Planning | 0.00% | New | 64,892 | $138K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 60,645 | $129K |
| Dynamic Technology Lab Private Ltd | 0.02% | Reduce -34.6% | 59,495 | $126K |
| State of Wyoming | 0.01% | New | 54,933 | $116K |
| Susquehanna Fundamental Investments, LLC | 0.00% | No change | 54,537 | $116K |
| Susquehanna International Group, LLP | 0.00% | New | 52,231 | $111K |
| Vident Advisory, LLC | 0.00% | New | 50,192 | $106K |
| WINTON GROUP Ltd | 0.00% | Add +51.4% | 50,115 | $106K |
| Prelude Capital Management, LLC | 0.01% | Add +20.4% | 49,038 | $104K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.5% | 44,653 | $95K |
| MetLife Investment Management, LLC | 0.00% | Add +5.7% | 39,460 | $84K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -6.0% | 37,927 | $80K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 37,543 | $80K |
| Wells Fargo & Company | 0.00% | Reduce -66.2% | 37,438 | $79K |
| Citigroup Inc. | 0.00% | Add +9.7% | 36,567 | $78K |
| SG Americas Securities, LLC | 0.00% | Reduce -22.6% | 32,161 | $68K |
| Polymer Capital Management (US) LLC | 0.01% | New | 31,877 | $68K |
| Focus Partners Wealth | 0.00% | Reduce -10.5% | 31,412 | $67K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -11.4% | 27,704 | $59K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -0.9% | 26,477 | $56K |
| Abacus Wealth Partners, LLC | 0.01% | New | 26,091 | $55K |
| Virtu Financial LLC | 0.00% | New | 25,706 | $54K |
| Deutsche Bank AG | 0.00% | Reduce -70.4% | 25,382 | $54K |
| State of Alaska, Department of Revenue | 0.00% | No change | 25,390 | $53K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 24,692 | $52K |
| Essex Financial Services, Inc. | 0.00% | Add +0.6% | 24,661 | $52K |
| Mariner, LLC | 0.00% | New | 23,093 | $49K |
| Two Sigma Securities, LLC | 0.01% | Reduce -25.3% | 22,964 | $49K |
| New York State Common Retirement Fund | 0.00% | No change | 22,549 | $48K |
| Intech Investment Management LLC | 0.00% | Reduce -19.0% | 21,940 | $47K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 21,784 | $46K |
| Vista Investment Partners LLC | 0.01% | No change | 20,400 | $43K |
| BNP Paribas Financial Markets | 0.00% | Add +1.7% | 20,036 | $42K |
| Jones Financial Companies LLLP | 0.00% | Add +10.7% | 19,118 | $41K |
| Ironwood Investment Management LLC | 0.02% | Reduce -1.6% | 18,066 | $38K |
| STRS Ohio | 0.00% | No change | 17,600 | $37K |
| Vestmark Advisory Solutions, Inc. | 0.00% | New | 16,260 | $34K |
| NewEdge Wealth, LLC | 0.00% | New | 16,260 | $34K |
| Seven Mile Advisory | 0.02% | New | 15,976 | $34K |
| LPL Financial LLC | 0.00% | Add +12.1% | 15,601 | $33K |
| Trilogy Capital Inc. | 0.00% | Reduce -76.5% | 15,360 | $33K |
| Prudential Financial Inc. | 0.00% | New | 14,638 | $31K |
| NINE MASTS CAPITAL Ltd | 0.01% | New | 14,377 | $30K |
| Ieq Capital, LLC | 0.00% | New | 14,129 | $30K |
"% of holder's portfolio" is RBBN's weight in each manager's 13F, not the share of Ribbon Communications Inc. the manager owns.