RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 113 filers reported holding RIBBON COMMUNICATIONS INC in Q4 2019. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $217,000 | +10.2% | 35,900 | +8.8% | 0.07% | +15.6% |
| Q3 2021 | $197,000 | +131.8% | 33,000 | +217.3% | 0.06% | +23.1% |
| Q1 2021 | $85,000 | +19.7% | 10,400 | -14.5% | 0.05% | +92.6% |
| Q3 2019 | $71,000 | -1.4% | 12,160 | -13.8% | 0.03% | -55.7% |
| Q1 2018 | $72,000 | -20.9% | 14,100 | +19.5% | 0.06% | -9.0% |
| Q4 2017 | $91,000 | – | 11,800 | – | 0.07% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| VIEX Capital Advisors, LLC | 405,094 | $2,086,000 | 1.85% |
| Horrell Capital Management, Inc. | 700,000 | $3,605,000 | 1.84% |
| Millrace Asset Group, Inc. | 390,077 | $2,009,000 | 1.70% |
| Engine Capital Management, LP | 439,516 | $2,264,000 | 1.48% |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 2,800,700 | $14,424,000 | 1.27% |
| CENTRAL SECURITIES CORP | 1,387,100 | $7,144,000 | 1.13% |
| OAK MANAGEMENT CORP | 533,246 | $2,746,000 | 1.06% |
| Cowen Prime Services LLC | 300,083 | $1,545,000 | 0.80% |
| Meridian Wealth Advisors, LLC | 89,866 | $463,000 | 0.34% |
| Pacific Ridge Capital Partners, LLC | 228,540 | $1,177,000 | 0.32% |