# RIBBON COMMUNICATIONS INC (RBBN)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/RBBN/

- Reporting holders: 3
- Reported value: $41.4K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [VISTA INVESTMENT PARTNERS LLC](https://holderbook.com/funds/2023386-vista-investment-partners-llc/) | $35.9K | 20,400 | 0.0% | 12 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $5.3K | 3,030 | 0.0% | 5 |
| [CoreCap Advisors, LLC](https://holderbook.com/funds/1902501-corecap-advisors-llc/) | $141 | 80 | 0.0% | 9 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 3 | $41.4K |
| Q2 2026 | 161 | $299.8M |
| Q1 2026 | 150 | $269.4M |
| Q4 2025 | 156 | $370.0M |
| Q3 2025 | 154 | $680.6M |
| Q2 2025 | 145 | $510.0M |
| Q1 2025 | 147 | $496.9M |
| Q4 2024 | 135 | $521.1M |
| Q3 2024 | 127 | $572.3M |
| Q2 2024 | 128 | $597.0M |
| Q1 2024 | 132 | $567.1M |
| Q4 2023 | 126 | $524.6M |