Chuck Royce's RBBN Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 4.88 M shares of Ribbon Communications Inc. (RBBN) worth $10.35 M, representing 0.10% of the portfolio. First purchased in 2017-Q4, this long-term strategic position has been held for 24 quarters.
Based on 13F filings, Chuck Royce has maintained a strategic position in RBBN, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2018, adding 689,095 shares. Largest reduction occurred in Q4 2019, reducing 638,803 shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's Ribbon Communications (RBBN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Ribbon Communications (RBBN) Trades by Chuck Royce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +265,000 | Add 5.74% | 4.88 M | $2.12 |
| Q4 2025 | +309,271 | Add 7.18% | 4.61 M | $2.88 |
| Q3 2025 | +633,035 | Add 17.24% | 4.31 M | $3.80 |
| Q2 2025 | +580,367 | Add 18.77% | 3.67 M | $4.01 |
| Q1 2025 | +289,210 | Add 10.32% | 3.09 M | $3.92 |
| Q4 2024 | +266,580 | Add 10.51% | 2.8 M | $4.16 |
| Q3 2024 | +386,518 | Add 17.98% | 2.54 M | $3.25 |
| Q2 2024 | +134,307 | Add 6.66% | 2.15 M | $3.29 |
| Q1 2024 | +171,009 | Add 9.27% | 2.02 M | $3.20 |
| Q4 2023 | +234,000 | Add 14.53% | 1.84 M | $2.90 |
| Q3 2023 | +558,944 | Add 53.16% | 1.61 M | $2.68 |
| Q2 2023 | +475,000 | Add 82.39% | 1.05 M | $2.79 |
| Q1 2023 | +576,500 | New Buy | 576,500 | $3.42 |
| Q2 2020 | -517,384 | Sold Out | 0 | $0.00 |
| Q1 2020 | -487,631 | Reduce 48.52% | 517,384 | $3.03 |
| Q4 2019 | -638,803 | Reduce 38.86% | 1.01 M | $3.10 |
| Q3 2019 | +90,029 | Add 5.79% | 1.64 M | $5.84 |
| Q2 2019 | -503,303 | Reduce 24.47% | 1.55 M | $4.89 |
| Q1 2019 | +95,000 | Add 4.84% | 2.06 M | $5.15 |
| Q4 2018 | +54,546 | Add 2.86% | 1.96 M | $4.82 |
| Q3 2018 | +181,950 | Add 10.54% | 1.91 M | $6.83 |
| Q2 2018 | +352,154 | Add 25.64% | 1.73 M | $7.12 |
| Q1 2018 | +689,095 | Add 100.69% | 1.37 M | $5.10 |
| Q4 2017 | +684,347 | New Buy | 684,347 | $7.73 |
Chuck Royce's Ribbon Communications Investment FAQs
Chuck Royce first purchased Ribbon Communications Inc. (RBBN) in Q4 2017, acquiring 684,347 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held Ribbon Communications Inc. (RBBN) for 24 quarters since Q4 2017.
Chuck Royce's largest addition to Ribbon Communications Inc. (RBBN) was in Q1 2018, adding 1,373,442 shares worth $7 M.
According to the latest 13F filing for Q1 2026, Chuck Royce's firm, Royce & Associates Lp, owns 4,879,741 shares of Ribbon Communications Inc. (RBBN), valued at approximately $10.35 M.
As of the Q1 2026 filing, Ribbon Communications Inc. (RBBN) represents approximately 0.10% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings.
Chuck Royce's peak holding in Ribbon Communications Inc. (RBBN) was 4,879,741 shares, as reported at the end of Q1 2026.