RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 117 filers reported holding RIBBON COMMUNICATIONS INC in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $1,000 | – | 240 | +196.3% | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 81 | -79.9% | 0.00% | – |
| Q2 2019 | $2,000 | +100.0% | 402 | +77.9% | 0.00% | – |
| Q1 2019 | $1,000 | 0.0% | 226 | -26.9% | 0.00% | – |
| Q4 2018 | $1,000 | -94.1% | 309 | -90.6% | 0.00% | – |
| Q2 2018 | $17,000 | 0.0% | 3,270 | 0.0% | 0.00% | – |
| Q1 2018 | $17,000 | -32.0% | 3,270 | 0.0% | 0.00% | – |
| Q4 2017 | $25,000 | – | 3,270 | – | 0.00% | – |
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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% |