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 | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $16,000 | -78.4% | 1,901 | -82.0% | 0.00% | – |
| Q4 2020 | $74,000 | +516.7% | 10,534 | +233.1% | 0.00% | – |
| Q3 2020 | $12,000 | -45.5% | 3,162 | -42.1% | 0.00% | – |
| Q2 2020 | $22,000 | +1000.0% | 5,463 | +509.0% | 0.00% | – |
| Q1 2020 | $2,000 | -91.3% | 897 | -88.2% | 0.00% | – |
| Q4 2019 | $23,000 | -25.8% | 7,578 | +44.8% | 0.00% | – |
| Q3 2019 | $31,000 | +24.0% | 5,234 | +3.5% | 0.00% | – |
| Q2 2019 | $25,000 | – | 5,059 | +252850.0% | 0.00% | – |
| Q1 2019 | $0 | -100.0% | 2 | -100.0% | 0.00% | – |
| Q4 2018 | $118,000 | -28.0% | 24,598 | +1.7% | 0.00% | – |
| Q3 2018 | $164,000 | +14.7% | 24,198 | +20.9% | 0.00% | – |
| Q2 2018 | $143,000 | +43.0% | 20,016 | +1.9% | 0.00% | – |
| Q1 2018 | $100,000 | -34.2% | 19,642 | 0.0% | 0.00% | – |
| Q4 2017 | $152,000 | – | 19,642 | – | 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% |