RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 129 filers reported holding RIBBON COMMUNICATIONS INC in Q4 2020. The put-call ratio across all filers is 19.08 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $60,000 | -22.1% | 10,011 | 0.0% | 0.04% | -27.3% |
| Q2 2021 | $77,000 | -6.1% | 10,011 | 0.0% | 0.06% | -9.8% |
| Q1 2021 | $82,000 | +7.9% | 10,011 | -49.2% | 0.06% | +10.9% |
| Q3 2020 | $76,000 | -1.3% | 19,700 | 0.0% | 0.06% | -14.1% |
| Q2 2020 | $77,000 | -1.3% | 19,700 | -23.0% | 0.06% | -11.1% |
| Q1 2020 | $78,000 | -1.3% | 25,600 | 0.0% | 0.07% | +20.0% |
| Q4 2019 | $79,000 | +1.3% | 25,600 | +91.0% | 0.06% | +13.2% |
| Q3 2019 | $78,000 | – | 13,400 | – | 0.05% | – |
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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% |