Ribbon CommunicationsRBBN
13F holders, Q1 2025 (March 31)144holders +11
27new positions
16sold out
4famous investors
$3.89avg. 13F price*
At the end of Q1 2025, 144 institutions reported holding Ribbon Communications Inc. (RBBN) in their 13F filings, up 11 from Q4 2024. 27 opened new positions and 16 sold out. The largest holders were JPMorgan Chase & Co. ($204.0M), Neuberger Berman Group LLC ($67.5M) and Paradigm Capital Management Inc. ($37.3M). 4 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Ribbon Communications Inc.
- CUSIP
- 762544104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $8.2M |
| Exits | 16 | $3.4M |
All 13F filers, Q4 2024 → Q1 2025: 4,326,226 shares bought and 2,943,310 shares sold, net +1,382,916 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 144 holders
| JPMorgan Chase & Co. | 0.02% | Add +0.0% | 52,038,874 | $204.0M |
| Neuberger Berman Group LLC | 0.06% | Reduce -0.8% | 18,311,527 | $67.5M |
| Paradigm Capital Management Inc. | 2.07% | Reduce -6.2% | 9,511,200 | $37.3M |
| BlackRock, Inc. | 0.00% | Reduce -0.0% | 7,788,905 | $30.5M |
| Vanguard Group Inc. | 0.00% | Add +0.8% | 7,457,467 | $29.2M |
| Dimensional Fund Advisors LP | 0.01% | Add +0.9% | 6,373,335 | $25.0M |
| Royce & Associates LP | 0.13% | Add +10.3% | 3,092,068 | $12.1M |
| Geode Capital Management, LLC | 0.00% | Add +1.8% | 2,133,854 | $8.4M |
| State Street Corp. | 0.00% | Add +0.8% | 2,002,617 | $7.9M |
| First Wilshire Securities Management Inc. | 1.50% | Add +0.2% | 1,337,214 | $5.2M |
| Franklin Resources Inc. | 0.00% | Reduce -6.1% | 1,220,680 | $4.8M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Add +76.1% | 1,189,250 | $4.7M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.67% | Reduce -18.8% | 912,869 | $3.6M |
| First Eagle Investment Management, LLC | 0.01% | Add +7.5% | 880,755 | $3.5M |
| Northern Trust Corp. | 0.00% | Reduce -2.6% | 806,938 | $3.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.7% | 747,781 | $2.9M |
| Victory Capital Management Inc. | 0.00% | Add +8.9% | 605,306 | $2.4M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -5.7% | 556,324 | $2.2M |
| D. E. Shaw & Co. | 0.00% | Reduce -11.3% | 416,687 | $1.6M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -2.7% | 415,268 | $1.6M |
| Morgan Stanley | 0.00% | Reduce -11.4% | 392,870 | $1.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -14.2% | 357,340 | $1.4M |
| White Pine Capital LLC | 0.48% | Add +0.8% | 355,522 | $1.4M |
| Nuveen, LLC | 0.00% | — | 330,794 | $1.3M |
| Hillsdale Investment Management Inc. | 0.07% | New | 326,627 | $1.3M |
| Bank of America Corp. | 0.00% | Add +177.6% | 321,060 | $1.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.4% | 319,543 | $1.3M |
| Raymond James Financial Inc. | 0.00% | New | 295,428 | $1.2M |
| Silverberg Bernstein Capital Management LLC | 1.07% | Reduce -7.1% | 293,583 | $1.2M |
| Commonwealth Equity Services, LLC | 0.00% | New | 289,276 | $1.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -40.1% | 285,649 | $1.1M |
| Millennium Management | 0.00% | Add +2040.0% | 245,099 | $961K |
| Pacific Ridge Capital Partners, LLC | 0.24% | Reduce -0.8% | 235,329 | $922K |
| AQR Capital Management | 0.00% | New | 205,287 | $805K |
| UBS Group AG | 0.00% | Reduce -59.6% | 203,211 | $797K |
| State of Wisconsin Investment Board | 0.00% | New | 199,284 | $781K |
| Inspire Investing, LLC | 0.09% | Reduce -5.0% | 192,780 | $756K |
| Russell Investments Group, Ltd. | 0.00% | Add +19.2% | 188,436 | $739K |
| Invesco Ltd. | 0.00% | Reduce -11.0% | 186,705 | $732K |
| Swiss National Bank | 0.00% | No change | 185,474 | $727K |
| Bridgeway Capital Management, LLC | 0.02% | New | 178,000 | $698K |
| Voya Investment Management LLC | 0.00% | Add +44.7% | 167,754 | $658K |
| XTX Topco Ltd | 0.03% | New | 157,828 | $619K |
| Rhumbline Advisers | 0.00% | Reduce -1.6% | 153,183 | $600K |
| Squarepoint Ops LLC | 0.00% | Add +15.8% | 152,716 | $599K |
| American Century Companies Inc. | 0.00% | Add +47.3% | 146,176 | $573K |
| Renaissance Technologies | 0.00% | Add +927.0% | 144,812 | $568K |
| Ameriprise Financial Inc. | 0.00% | Add +0.2% | 136,921 | $537K |
| Barclays PLC | 0.00% | Reduce -25.4% | 134,742 | $528K |
| Bantamac Capital, LLC | 0.23% | New | 121,322 | $476K |
| Susquehanna International Group, LLP | 0.00% | Add +147.0% | 112,648 | $442K |
| Legal & General Group Plc | 0.00% | No change | 102,056 | $400K |
| Jane Street Group, LLC | 0.00% | Add +436.9% | 101,211 | $397K |
| Alliancebernstein L.P. | 0.00% | Reduce -0.1% | 98,887 | $388K |
| Sei Investments Co. | 0.00% | Add +19.8% | 95,970 | $376K |
| California State Teachers Retirement System | 0.00% | No change | 89,506 | $351K |
| Penn Capital Management Company, LLC | 0.03% | Add +567.9% | 89,299 | $350K |
| Citigroup Inc. | 0.00% | Reduce -8.7% | 82,460 | $323K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -35.2% | 78,330 | $307K |
| Deutsche Bank AG | 0.00% | Reduce -9.6% | 77,070 | $302K |
| Lazard Asset Management LLC | 0.00% | Add +37.4% | 72,268 | $283K |
| Intech Investment Management LLC | 0.00% | Add +27.2% | 71,538 | $280K |
| T. Rowe Price Associates Inc. | 0.00% | Add +7.6% | 67,334 | $264K |
| SG Americas Securities, LLC | 0.00% | Add +55.9% | 62,221 | $244K |
| Bailard, Inc. | 0.01% | Reduce -18.5% | 61,445 | $241K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -53.4% | 61,272 | $240K |
| Wells Fargo & Company | 0.00% | Add +1.9% | 60,518 | $237K |
| Polymer Capital Management (US) LLC | 0.07% | Add +347.9% | 59,567 | $234K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -12.4% | 58,560 | $230K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.5% | 54,930 | $215K |
| Teacher Retirement System of Texas | 0.00% | New | 53,009 | $208K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -13.1% | 50,945 | $200K |
| Worth Venture Partners, LLC | 1.54% | Add +11.0% | 50,564 | $198K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 44,847 | $176K |
| Gsa Capital Partners LLP | 0.02% | New | 43,682 | $171K |
| BNP Paribas Financial Markets | 0.00% | Add +241.6% | 42,304 | $166K |
| MetLife Investment Management, LLC | 0.00% | Reduce -31.4% | 38,438 | $151K |
| Integrated Quantitative Investments LLC | 0.07% | New | 38,010 | $149K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 37,543 | $147K |
| Janus Henderson Group PLC | 0.00% | No change | 35,625 | $144K |
| AXA S.A. | 0.00% | New | 36,762 | $144K |
| Focus Partners Wealth | 0.00% | Add +1.3% | 35,580 | $139K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.7% | 34,406 | $135K |
| HSBC Holdings PLC | 0.00% | Reduce -9.4% | 34,106 | $133K |
| Prelude Capital Management, LLC | 0.01% | Reduce -0.6% | 33,718 | $132K |
| Manatuck Hill Partners, LLC | 0.06% | New | 32,573 | $128K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -5.8% | 32,113 | $126K |
| Dynamic Technology Lab Private Ltd | 0.02% | New | 31,554 | $124K |
| Vestmark Advisory Solutions, Inc. | 0.00% | Add +118.3% | 30,138 | $118K |
| First Bank & Trust | 0.02% | New | 29,262 | $115K |
| Arizona State Retirement System | 0.00% | Reduce -0.7% | 27,640 | $108K |
| HighTower Advisors, LLC | 0.00% | Reduce -0.7% | 25,091 | $98K |
| Essex Financial Services, Inc. | 0.01% | Reduce -1.0% | 24,055 | $94K |
| New York State Common Retirement Fund | 0.00% | No change | 22,549 | $88K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 21,239 | $83K |
| Vista Investment Partners LLC | 0.02% | No change | 20,400 | $80K |
| Cibc World Markets Corp. | 0.00% | New | 20,313 | $80K |
| ProShare Advisors LLC | 0.00% | Reduce -23.1% | 19,817 | $78K |
| Ironwood Investment Management LLC | 0.04% | Add +0.3% | 19,218 | $75K |
| STRS Ohio | 0.00% | No change | 17,600 | $69K |
| KLP Kapitalforvaltning As | 0.00% | No change | 15,500 | $61K |
| NewEdge Wealth, LLC | 0.00% | Add +9.6% | 15,130 | $59K |
| Creative Planning | 0.00% | Add +38205.1% | 14,939 | $59K |
| Allianz Asset Management GmbH | 0.00% | New | 14,500 | $57K |
| Heron Bay Capital Management | 0.01% | New | 12,764 | $50K |
| Susquehanna Fundamental Investments, LLC | 0.00% | Reduce -48.0% | 11,100 | $44K |
| GRIMES & Co WEALTH MANAGEMENT, LLC | 0.00% | No change | 10,030 | $39K |
| Fortis Advisors, LLC | 0.03% | No change | 10,000 | $39K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 9,296 | $36K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 8,663 | $34K |
| FMR LLC | 0.00% | Add +94.6% | 7,338 | $29K |
| Fifth Third Bancorp | 0.00% | Reduce -49.7% | 6,477 | $25K |
| Royal Bank of Canada | 0.00% | Reduce -49.0% | 5,877 | $23K |
| Comerica Bank | 0.00% | Reduce -4.3% | 4,120 | $16K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 3,680 | $14K |
| Amalgamated Bank | 0.00% | No change | 3,119 | $12K |
| Cwm, LLC | 0.00% | Add +707.8% | 2,690 | $11K |
| US Bancorp \de | 0.00% | Reduce -30.4% | 2,583 | $10K |
| Uniplan Investment Counsel, Inc. | 0.00% | New | 2,498 | $10K |
| Allworth Financial LP | 0.00% | No change | 2,701 | $10K |
| Medallion Wealth Advisors, LLC | 0.00% | No change | 1,920 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -40.8% | 1,812 | $7K |
| Sterling Capital Management LLC | 0.00% | Reduce -46.1% | 1,580 | $6K |
| Community Bank, N.A. | 0.00% | No change | 1,400 | $5K |
| Aster Capital Management (DIFC) Ltd | 0.00% | New | 1,136 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -0.5% | 1,036 | $4K |
| Simplex Trading, LLC | 0.00% | New | 1,193 | $4K |
| Quadrant Capital Group LLC | 0.00% | Add +16.8% | 930 | $4K |
| Nisa Investment Advisors, LLC | 0.00% | Add +151.2% | 417 | $2K |
| Rothschild Investment LLC | 0.00% | No change | 275 | $1K |
| Osaic Holdings, Inc. | 0.00% | Add +5.1% | 266 | $1K |
| Arax Advisory Partners | 0.00% | Reduce -67.0% | 237 | $930 |
| Amundi | 0.00% | New | 228 | $803 |
| Maryland Capital Advisors Inc. | 0.00% | New | 200 | $784 |
| Coldstream Capital Management Inc. | 0.00% | New | 172 | $675 |
| Parkside Financial Bank & Trust | 0.00% | New | 145 | $569 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +106.5% | 128 | $502 |
| Larson Financial Group LLC | 0.00% | New | 93 | $365 |
| CoreCap Advisors, LLC | 0.00% | No change | 80 | $314 |
| Lindbrook Capital, LLC | 0.00% | No change | 70 | $274 |
| True Wealth Design, LLC | 0.00% | New | 33 | $130 |
| TFC Financial Management, Inc. | 0.00% | No change | 12 | $48 |
| IFP Advisors, Inc | 0.00% | Add +150.0% | 10 | $39 |
| Arlington Trust Co LLC | 0.00% | No change | 6 | $24 |
"% of holder's portfolio" is RBBN's weight in each manager's 13F, not the share of Ribbon Communications Inc. the manager owns.