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 2024
Institutional positions in Ribbon Communications Inc. as of Dec 31, 2024. 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
- 133
- +8 vs. Q3 2024
- Shares held
- 126.0M
- +1.10M (+0.9%) vs. Q3 2024
- Total value
- $519.8M
- +$117.5M (+29.2%) vs. Q3 2024
- New holders
- 21
- 50 more added
- Sold out
- 13
- 37 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Ribbon Communications Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Maxi Investments CY Ltd | 195,266 | $812.0K | 0.16% | +195,266 | New |
| CWM Advisors, LLC | 202,858 | $843.9K | 0.09% | +202,858 | New |
| Invesco Ltd. | 209,813 | $872.8K | 0.00% | +785+0.4% | Added |
| Pacific Ridge Capital Partners, LLC | 237,325 | $987.3K | 0.23% | 00.0% | Unchanged |
| Silverberg Bernstein Capital Management LLC | 316,110 | $1.32M | 1.16% | −49,900−13.6% | Reduced |
| Federated Hermes, Inc. | 318,474 | $1.32M | 0.00% | −114,700−26.5% | Reduced |
| Bank of New York Mellon Corp | 327,544 | $1.36M | 0.00% | −37,625−10.3% | Reduced |
| Nuveen Asset Management, LLC | 330,620 | $1.38M | 0.00% | −18,208−5.2% | Reduced |
| White Pine Capital LLC | 352,747 | $1.47M | 0.49% | −2,114−0.6% | Reduced |
| Goldman Sachs Group Inc | 416,631 | $1.73M | 0.00% | +46,005+12.4% | Added |
| Jacobs Levy Equity Management, Inc | 426,932 | $1.78M | 0.01% | +17,556+4.3% | Added |
| Morgan Stanley | 443,409 | $1.84M | 0.00% | +39,611+9.8% | Added |
| D. E. Shaw & Co., Inc. | 469,499 | $1.95M | 0.00% | +84,999+22.1% | Added |
| UBS Asset Management Americas Inc | 476,868 | $1.98M | 0.00% | +119,266+33.4% | Added |
| UBS Group AG | 502,756 | $2.09M | 0.00% | +335,139+199.9% | Added |
| Victory Capital Management Inc | 555,839 | $2.31M | 0.00% | +51,336+10.2% | Added |
| Arrowstreet Capital, Limited Partnership | 589,756 | $2.45M | 0.00% | −100,314−14.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 675,265 | $2.81M | 0.01% | +258,909+62.2% | Added |
| Charles Schwab Investment Management Inc | 760,767 | $3.16M | 0.00% | −2,125−0.3% | Reduced |
| First Eagle Investment Management, LLC | 819,369 | $3.41M | 0.01% | +748,090+1,049.5% | Added |
| Northern Trust Corp | 828,163 | $3.45M | 0.00% | +56,461+7.3% | Added |
| Herald Investment Management Ltd | 1,123,678 | $4.67M | 0.77% | −292,191−20.6% | Reduced |
| Franklin Resources Inc | 1,300,343 | $5.41M | 0.00% | −182,355−12.3% | Reduced |
| First Wilshire Securities Management Inc | 1,334,473 | $5.55M | 1.51% | +164,738+14.1% | Added |
| State Street Corp | 1,987,456 | $8.27M | 0.00% | +88,742+4.7% | Added |
| Geode Capital Management, LLC | 2,096,000 | $8.72M | 0.00% | −5,366−0.3% | Reduced |
| Royce & Associates LP | 2,802,858 | $11.7M | 0.11% | +266,580+10.5% | Added |
| Dimensional Fund Advisors LP | 6,314,669 | $26.3M | 0.01% | +302,039+5.0% | Added |
| Vanguard Group Inc | 7,402,073 | $30.8M | 0.00% | +295,524+4.2% | Added |
| BlackRock, Inc. | 7,790,461 | $32.4M | 0.00% | +108,702+1.4% | Added |
| Paradigm Capital Management Inc | 10,138,621 | $42.2M | 1.95% | −454,079−4.3% | Reduced |
| Neuberger Berman Group LLC | 18,463,941 | $72.3M | 0.06% | −74,465−0.4% | Reduced |
| JPMorgan Chase & Co | 52,037,673 | $216.5M | 0.02% | +960.0% | Added |
| Brandes Investment Partners, LP | 0 | $0 | 0.00% | −808,799−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −90,043−100.0% | Sold out |
| SG Capital Management LLC | 0 | $0 | 0.00% | −88,110−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −76,269−100.0% | Sold out |
| Meridian Wealth Advisors, LLC | 0 | $0 | 0.00% | −64,866−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −40,908−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −46,886−100.0% | Sold out |
| Palisade Capital Management LLC | 0 | $0 | 0.00% | −27,500−100.0% | Sold out |
| Kathmere Capital Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,538−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −902−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| ClariVest Asset Management LLC | – | – | – | – | Not filed |