RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 118 filers reported holding RIBBON COMMUNICATIONS INC in Q4 2018. The put-call ratio across all filers is 10.22 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $578,000 | +9.3% | 112,290 | +2.4% | 0.00% | 0.0% |
| Q4 2018 | $529,000 | -64.6% | 109,709 | -49.9% | 0.00% | 0.0% |
| Q3 2018 | $1,496,000 | +90.8% | 219,098 | +99.0% | 0.00% | 0.0% |
| Q2 2018 | $784,000 | +52.2% | 110,083 | +8.9% | 0.00% | 0.0% |
| Q1 2018 | $515,000 | -40.2% | 101,071 | -9.2% | 0.00% | 0.0% |
| Q4 2017 | $861,000 | – | 111,334 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| PARADIGM CAPITAL MANAGEMENT INC/NY | 10,312,922 | $31,351,000 | 2.13% |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 1,445,195 | $4,393,000 | 1.64% |
| Zebra Capital Management LLC | 94,689 | $288,000 | 0.85% |
| Herald Investment Management Ltd | 1,088,000 | $3,307,000 | 0.77% |
| Cowen Prime Advisors LLC | 131,719 | $400,000 | 0.23% |
| GLOBEFLEX CAPITAL L P | 197,647 | $601,000 | 0.15% |
| Penserra Capital Management LLC | 1,621,054 | $4,928,000 | 0.13% |
| GSA CAPITAL PARTNERS LLP | 286,571 | $871,000 | 0.13% |
| Pacific Ridge Capital Partners, LLC | 139,570 | $424,000 | 0.10% |
| Meridian Wealth Advisors, LLC | 64,866 | $197,000 | 0.05% |