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 |
|---|---|---|---|---|---|
| Options Solutions, LLC | 130,188 | $523.4K | 0.19% | +8,866+7.3% | Added |
| Ameriprise Financial Inc | 148,710 | $596.3K | 0.00% | +11,789+8.6% | Added |
| Voya Investment Management LLC | 165,458 | $663.5K | 0.00% | −2,296−1.4% | Reduced |
| Invesco Ltd. | 169,395 | $679.3K | 0.00% | −17,310−9.3% | Reduced |
| Rhumbline Advisers | 176,592 | $708.1K | 0.00% | +23,409+15.3% | Added |
| American Century Companies Inc | 184,047 | $738.0K | 0.00% | +37,871+25.9% | Added |
| Swiss National Bank | 185,474 | $743.8K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 200,049 | $802.2K | 0.00% | +65,307+48.5% | Added |
| Russell Investments Group, Ltd. | 203,224 | $814.9K | 0.00% | +14,788+7.8% | Added |
| Gsa Capital Partners LLP | 210,110 | $843.0K | 0.06% | +166,428+381.0% | Added |
| AQR Capital Management LLC | 225,100 | $902.7K | 0.00% | +19,813+9.7% | Added |
| Pacific Ridge Capital Partners, LLC | 235,329 | $943.7K | 0.23% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 242,711 | $973.3K | 0.00% | −114,629−32.1% | Reduced |
| Morgan Stanley | 256,966 | $1.03M | 0.00% | −135,904−34.6% | Reduced |
| UBS Group AG | 268,893 | $1.08M | 0.00% | +65,682+32.3% | Added |
| Nuveen, LLC | 269,521 | $1.08M | 0.00% | −61,273−18.5% | Reduced |
| State of Wisconsin Investment Board | 275,903 | $1.11M | 0.00% | +76,619+38.4% | Added |
| Commonwealth Equity Services, LLC | 290,276 | $1.16M | 0.00% | +1,000+0.3% | Added |
| Bank of New York Mellon Corp | 328,139 | $1.32M | 0.00% | +8,596+2.7% | Added |
| Raymond James Financial Inc | 348,642 | $1.40M | 0.00% | +53,214+18.0% | Added |
| UBS Asset Management Americas Inc | 370,850 | $1.49M | 0.00% | +85,201+29.8% | Added |
| Silverberg Bernstein Capital Management LLC | 392,579 | $1.57M | 1.08% | +98,996+33.7% | Added |
| D. E. Shaw & Co., Inc. | 416,687 | $1.67M | 0.00% | 00.0% | Unchanged |
| White Pine Capital LLC | 418,957 | $1.68M | 0.53% | +63,435+17.8% | Added |
| Jacobs Levy Equity Management, Inc | 432,097 | $1.73M | 0.01% | +16,829+4.1% | Added |
| Arrowstreet Capital, Limited Partnership | 483,170 | $1.94M | 0.00% | −73,154−13.1% | Reduced |
| Victory Capital Management Inc | 491,177 | $1.97M | 0.00% | −114,129−18.9% | Reduced |
| Charles Schwab Investment Management Inc | 766,198 | $3.07M | 0.00% | +18,417+2.5% | Added |
| Millennium Management LLC | 830,148 | $3.33M | 0.00% | +585,049+238.7% | Added |
| Herald Investment Management Ltd | 912,869 | $3.66M | 0.54% | 00.0% | Unchanged |
| Northern Trust Corp | 998,939 | $4.01M | 0.00% | +192,001+23.8% | Added |
| First Eagle Investment Management, LLC | 1,025,914 | $4.11M | 0.01% | +145,159+16.5% | Added |
| Franklin Resources Inc | 1,090,798 | $4.37M | 0.00% | −129,882−10.6% | Reduced |
| First Wilshire Securities Management Inc | 1,331,200 | $5.34M | 1.45% | −6,014−0.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 1,476,053 | $5.92M | 0.02% | +286,803+24.1% | Added |
| State Street Corp | 2,092,819 | $8.39M | 0.00% | +90,202+4.5% | Added |
| Geode Capital Management, LLC | 2,303,256 | $9.24M | 0.00% | +169,402+7.9% | Added |
| Royce & Associates LP | 3,672,435 | $14.7M | 0.15% | +580,367+18.8% | Added |
| Dimensional Fund Advisors LP | 6,565,166 | $26.3M | 0.01% | +191,831+3.0% | Added |
| Vanguard Group Inc | 7,524,387 | $30.2M | 0.00% | +66,920+0.9% | Added |
| BlackRock, Inc. | 7,738,835 | $31.0M | 0.00% | −50,070−0.6% | Reduced |
| Paradigm Capital Management Inc | 8,748,200 | $35.1M | 1.71% | −763,000−8.0% | Reduced |
| Neuberger Berman Group LLC | 18,461,960 | $69.2M | 0.05% | +150,433+0.8% | Added |
| JPMorgan Chase & Co | 52,037,577 | $208.7M | 0.01% | −1,2970.0% | Reduced |
| IFP Advisors, Inc | 43 | – | – | +33+330.0% | Added |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −326,627−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −192,780−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −178,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −152,716−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −72,268−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −62,221−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −44,847−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −38,010−100.0% | Sold out |
| Manatuck Hill Partners, LLC | 0 | $0 | 0.00% | −32,573−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −31,554−100.0% | Sold out |
| Vestmark Advisory Solutions, Inc. | 0 | $0 | 0.00% | −30,138−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −14,500−100.0% | Sold out |
| Heron Bay Capital Management | 0 | $0 | 0.00% | −12,764−100.0% | Sold out |
| Uniplan Investment Counsel, Inc. | 0 | $0 | 0.00% | −2,498−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −1,136−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −930−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −237−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −228−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −172−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −145−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |