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, Q2 2025
Institutional positions in Ribbon Communications Inc. as of Jun 30, 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
- 145
- +2 vs. Q1 2025
- Shares held
- 128.1M
- +691.4K (+0.5%) vs. Q1 2025
- Total value
- $508.9M
- +$13.7M (+2.8%) vs. Q1 2025
- New holders
- 22
- 60 more added
- Sold out
- 20
- 34 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 52,037,577 | $208.7M | 0.01% | −1,2970.0% | Reduced |
| Neuberger Berman Group LLC | 18,461,960 | $69.2M | 0.05% | +150,433+0.8% | Added |
| Paradigm Capital Management Inc | 8,748,200 | $35.1M | 1.71% | −763,000−8.0% | Reduced |
| BlackRock, Inc. | 7,738,835 | $31.0M | 0.00% | −50,070−0.6% | Reduced |
| Vanguard Group Inc | 7,524,387 | $30.2M | 0.00% | +66,920+0.9% | Added |
| Dimensional Fund Advisors LP | 6,565,166 | $26.3M | 0.01% | +191,831+3.0% | Added |
| Royce & Associates LP | 3,672,435 | $14.7M | 0.15% | +580,367+18.8% | Added |
| Geode Capital Management, LLC | 2,303,256 | $9.24M | 0.00% | +169,402+7.9% | Added |
| State Street Corp | 2,092,819 | $8.39M | 0.00% | +90,202+4.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 1,476,053 | $5.92M | 0.02% | +286,803+24.1% | Added |
| First Wilshire Securities Management Inc | 1,331,200 | $5.34M | 1.45% | −6,014−0.4% | Reduced |
| Franklin Resources Inc | 1,090,798 | $4.37M | 0.00% | −129,882−10.6% | Reduced |
| First Eagle Investment Management, LLC | 1,025,914 | $4.11M | 0.01% | +145,159+16.5% | Added |
| Northern Trust Corp | 998,939 | $4.01M | 0.00% | +192,001+23.8% | Added |
| Herald Investment Management Ltd | 912,869 | $3.66M | 0.54% | 00.0% | Unchanged |
| Millennium Management LLC | 830,148 | $3.33M | 0.00% | +585,049+238.7% | Added |
| Charles Schwab Investment Management Inc | 766,198 | $3.07M | 0.00% | +18,417+2.5% | Added |
| Victory Capital Management Inc | 491,177 | $1.97M | 0.00% | −114,129−18.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 483,170 | $1.94M | 0.00% | −73,154−13.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 432,097 | $1.73M | 0.01% | +16,829+4.1% | Added |
| White Pine Capital LLC | 418,957 | $1.68M | 0.53% | +63,435+17.8% | Added |
| D. E. Shaw & Co., Inc. | 416,687 | $1.67M | 0.00% | 00.0% | Unchanged |
| Silverberg Bernstein Capital Management LLC | 392,579 | $1.57M | 1.08% | +98,996+33.7% | Added |
| UBS Asset Management Americas Inc | 370,850 | $1.49M | 0.00% | +85,201+29.8% | Added |
| Raymond James Financial Inc | 348,642 | $1.40M | 0.00% | +53,214+18.0% | Added |
| Bank of New York Mellon Corp | 328,139 | $1.32M | 0.00% | +8,596+2.7% | Added |
| Commonwealth Equity Services, LLC | 290,276 | $1.16M | 0.00% | +1,000+0.3% | Added |
| State of Wisconsin Investment Board | 275,903 | $1.11M | 0.00% | +76,619+38.4% | Added |
| Nuveen, LLC | 269,521 | $1.08M | 0.00% | −61,273−18.5% | Reduced |
| UBS Group AG | 268,893 | $1.08M | 0.00% | +65,682+32.3% | Added |
| Morgan Stanley | 256,966 | $1.03M | 0.00% | −135,904−34.6% | Reduced |
| Goldman Sachs Group Inc | 242,711 | $973.3K | 0.00% | −114,629−32.1% | Reduced |
| Pacific Ridge Capital Partners, LLC | 235,329 | $943.7K | 0.23% | 00.0% | Unchanged |
| AQR Capital Management LLC | 225,100 | $902.7K | 0.00% | +19,813+9.7% | Added |
| Gsa Capital Partners LLP | 210,110 | $843.0K | 0.06% | +166,428+381.0% | Added |
| Russell Investments Group, Ltd. | 203,224 | $814.9K | 0.00% | +14,788+7.8% | Added |
| Barclays PLC | 200,049 | $802.2K | 0.00% | +65,307+48.5% | Added |
| Swiss National Bank | 185,474 | $743.8K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 184,047 | $738.0K | 0.00% | +37,871+25.9% | Added |
| Rhumbline Advisers | 176,592 | $708.1K | 0.00% | +23,409+15.3% | Added |
| Invesco Ltd. | 169,395 | $679.3K | 0.00% | −17,310−9.3% | Reduced |
| Voya Investment Management LLC | 165,458 | $663.5K | 0.00% | −2,296−1.4% | Reduced |
| Ameriprise Financial Inc | 148,710 | $596.3K | 0.00% | +11,789+8.6% | Added |
| Options Solutions, LLC | 130,188 | $523.4K | 0.19% | +8,866+7.3% | Added |
| Polen Capital Management LLC | 130,188 | $522.1K | 0.00% | +130,188 | New |
| Penn Capital Management Co Inc | 119,815 | $480.5K | 0.04% | +30,516+34.2% | Added |
| Susquehanna International Group, LLP | 116,688 | $467.9K | 0.00% | +4,040+3.6% | Added |
| Verition Fund Management LLC | 116,427 | $466.9K | 0.00% | +116,427 | New |
| Alliancebernstein L.P. | 113,317 | $454.4K | 0.00% | +14,430+14.6% | Added |
| Bank of America Corp | 104,634 | $419.6K | 0.00% | −216,426−67.4% | Reduced |
| Legal & General Group Plc | 102,056 | $409.2K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 94,755 | $380.0K | 0.00% | −1,215−1.3% | Reduced |
| California State Teachers Retirement System | 89,506 | $358.9K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 81,937 | $328.6K | 0.01% | +20,665+33.7% | Added |
| Intech Investment Management LLC | 79,654 | $319.4K | 0.00% | +8,116+11.3% | Added |
| Jane Street Group, LLC | 72,396 | $290.3K | 0.00% | −28,815−28.5% | Reduced |
| Teacher Retirement System of Texas | 72,022 | $288.8K | 0.00% | +19,013+35.9% | Added |
| Deutsche Bank AG | 71,403 | $286.3K | 0.00% | −5,667−7.4% | Reduced |
| Assenagon Asset Management S.A. | 70,123 | $281.2K | 0.00% | −8,207−10.5% | Reduced |
| Wells Fargo & Company | 65,755 | $263.7K | 0.00% | +5,237+8.7% | Added |
| Los Angeles Capital Management LLC | 64,160 | $257.3K | 0.00% | +5,600+9.6% | Added |
| Bailard, Inc. | 63,600 | $255.0K | 0.01% | +2,155+3.5% | Added |
| Price T Rowe Associates Inc | 60,139 | $242.0K | 0.00% | −7,195−10.7% | Reduced |
| XTX Topco Ltd | 57,995 | $232.6K | 0.01% | −99,833−63.3% | Reduced |
| MetLife Investment Management | 56,676 | $227.3K | 0.00% | +18,238+47.4% | Added |
| Worth Venture Partners, LLC | 55,564 | $222.8K | 0.34% | +5,000+9.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 52,590 | $210.9K | 0.00% | −2,340−4.3% | Reduced |
| Citigroup Inc | 51,096 | $204.9K | 0.00% | −31,364−38.0% | Reduced |
| Public Employees Retirement System of Ohio | 50,945 | $204.3K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 47,307 | $189.7K | 0.00% | +38,011+408.9% | Added |
| Balyasny Asset Management LLC | 46,472 | $186.4K | 0.00% | +46,472 | New |
| State Board of Administration of Florida Retirement System | 37,543 | $150.5K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 36,842 | $147.7K | 0.00% | +2,436+7.1% | Added |
| AXA S.A. | 36,762 | $147.4K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 35,625 | $143.0K | 0.00% | 00.0% | Unchanged |
| Colony Group, LLC | 35,585 | $142.7K | 0.00% | +50.0% | Added |
| HSBC Holdings PLC | 32,599 | $131.2K | 0.00% | −1,507−4.4% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 30,173 | $121.0K | 0.00% | +30,173 | New |
| Envestnet Asset Management Inc | 29,892 | $119.9K | 0.00% | −2,221−6.9% | Reduced |
| Arizona State Retirement System | 28,199 | $113.1K | 0.00% | +559+2.0% | Added |
| Renaissance Technologies LLC | 27,500 | $110.3K | 0.00% | −117,312−81.0% | Reduced |
| HighTower Advisors, LLC | 25,147 | $100.8K | 0.00% | +56+0.2% | Added |
| Creative Planning | 24,621 | $98.7K | 0.00% | +9,682+64.8% | Added |
| Essex Financial Services, Inc. | 24,076 | $96.5K | 0.01% | +21+0.1% | Added |
| Prelude Capital Management, LLC | 23,738 | $95.2K | 0.01% | −9,980−29.6% | Reduced |
| New York State Common Retirement Fund | 22,549 | $90.4K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 21,239 | $85.2K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 20,811 | $83.5K | 0.00% | +20,811 | New |
| Vista Investment Partners LLC | 20,400 | $81.8K | 0.02% | 00.0% | Unchanged |
| Simplex Trading, LLC | 19,880 | $79.0K | 0.00% | +18,687+1,566.4% | Added |
| ProShare Advisors LLC | 19,236 | $77.1K | 0.00% | −581−2.9% | Reduced |
| Ironwood Investment Management LLC | 18,645 | $74.8K | 0.04% | −573−3.0% | Reduced |
| STRS Ohio | 17,600 | $70.6K | 0.00% | 00.0% | Unchanged |
| Polymer Capital Management (US) LLC | 17,417 | $69.8K | 0.01% | −42,150−70.8% | Reduced |
| Jump Financial, LLC | 16,790 | $67.3K | 0.00% | +16,790 | New |
| KLP Kapitalforvaltning AS | 15,500 | $62.2K | 0.00% | 00.0% | Unchanged |
| Tiaa Trust, National Association | 15,000 | $60.1K | 0.00% | +15,000 | New |
| Almanack Investment Partners, LLC. | 14,550 | $58.3K | 0.01% | +14,550 | New |
| NewEdge Wealth, LLC | 15,069 | $57.0K | 0.00% | −61−0.4% | Reduced |
| First Bank & Trust | 13,725 | $55.0K | 0.01% | −15,537−53.1% | Reduced |