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 |
|---|---|---|---|---|---|
| Engineers Gate Manager LP | 13,176 | $52.8K | 0.00% | +13,176 | New |
| Occudo Quantitative Strategies LP | 12,534 | $50.3K | 0.01% | +12,534 | New |
| Prudential Financial Inc | 11,711 | $47.0K | 0.00% | +11,711 | New |
| CIBC World Markets Corp | 11,558 | $46.3K | 0.00% | −8,755−43.1% | Reduced |
| Royal Bank of Canada | 11,318 | $46.0K | 0.00% | +5,441+92.6% | Added |
| Keel Point, LLC | 11,102 | $44.5K | 0.00% | +11,102 | New |
| Susquehanna Fundamental Investments, LLC | 11,100 | $44.5K | 0.00% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 11,076 | $44.4K | 0.00% | +11,076 | New |
| LPL Financial LLC | 11,041 | $44.3K | 0.00% | +11,041 | New |
| Grimes & Company, Inc. | 10,030 | $40.2K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 10,025 | $40.2K | 0.00% | +8,213+453.3% | Added |
| Integrated Wealth Concepts LLC | 10,022 | $40.2K | 0.00% | +10,022 | New |
| Fortis Advisors, LLC | 10,000 | $40.1K | 0.03% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 8,663 | $34.7K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 8,632 | $34.6K | 0.00% | −33,672−79.6% | Reduced |
| Fifth Third Bancorp | 6,477 | $26.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 5,591 | $22.4K | 0.00% | −1,747−23.8% | Reduced |
| Comerica Bank | 4,563 | $18.3K | 0.00% | +443+10.8% | Added |
| Great West Life Assurance Co | 3,680 | $15.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 3,651 | $14.6K | 0.00% | +1,068+41.3% | Added |
| CWM, LLC | 3,525 | $14.0K | 0.00% | +835+31.0% | Added |
| Amalgamated Bank | 3,119 | $13.0K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 2,913 | $11.7K | 0.00% | +212+7.8% | Added |
| Sterling Capital Management LLC | 2,453 | $9.84K | 0.00% | +873+55.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,362 | $9.00K | 0.00% | +2,362 | New |
| Medallion Wealth Advisors, LLC | 1,920 | $8.03K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,400 | $5.60K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,036 | $4.15K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 818 | $3.00K | 0.00% | +818 | New |
| Caitong International Asset Management Co., Ltd | 549 | $2.20K | 0.00% | +549 | New |
| SBI Securities Co., Ltd. | 500 | $2.00K | 0.00% | +500 | New |
| Rothschild Investment LLC | 420 | $1.68K | 0.00% | +145+52.7% | Added |
| Advisor Group Holdings, Inc. | 281 | $1.13K | 0.00% | +15+5.6% | Added |
| Essential Partners LLC | 273 | $1.09K | 0.00% | +273 | New |
| EverSource Wealth Advisors, LLC | 213 | $854 | 0.00% | +85+66.4% | Added |
| Maryland Capital Advisors Inc. | 200 | $802 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 199 | $798 | 0.00% | +166+503.0% | Added |
| Nisa Investment Advisors, LLC | 166 | $666 | 0.00% | −251−60.2% | Reduced |
| Larson Financial Group LLC | 102 | $409 | 0.00% | +9+9.7% | Added |
| CoreCap Advisors, LLC | 80 | $321 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 73 | $293 | 0.00% | +73 | New |
| TFC Financial Management | 12 | $49 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 10 | $40 | 0.00% | +10 | New |
| Arlington Trust Co LLC | 6 | $24 | 0.00% | 00.0% | Unchanged |
| 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 |