RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 143 filers reported holding RIBBON COMMUNICATIONS INC in Q1 2021. The put-call ratio across all filers is 5.43 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $1,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q3 2020 | $1,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q2 2020 | $1,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q1 2020 | $1,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q3 2019 | $1,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q2 2019 | $1,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q1 2019 | $1,000 | – | 200 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Engine Capital Management, LP | 521,894 | $3,716,000 | 2.54% |
| Cowen Prime Services LLC | 687,276 | $4,893,000 | 2.41% |
| Horrell Capital Management, Inc. | 534,300 | $3,804,000 | 1.91% |
| Millrace Asset Group, Inc. | 313,064 | $2,229,000 | 1.70% |
| CENTRAL SECURITIES CORP | 1,387,100 | $9,876,000 | 1.54% |
| Jafra Capital Management LP | 300,000 | $2,136,000 | 0.74% |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 1,085,820 | $7,731,000 | 0.62% |
| MENTA CAPITAL LLC | 300,684 | $2,141,000 | 0.50% |
| Pacific Ridge Capital Partners, LLC | 193,100 | $1,375,000 | 0.32% |
| ALGERT GLOBAL LLC | 169,513 | $1,207,000 | 0.25% |