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 2021 | $3,498,000 | +1.1% | 578,300 | -0.1% | 0.23% | -12.4% |
| Q3 2021 | $3,461,000 | -21.4% | 578,800 | 0.0% | 0.27% | -23.7% |
| Q2 2021 | $4,404,000 | -7.3% | 578,800 | 0.0% | 0.35% | -12.1% |
| Q1 2021 | $4,753,000 | +25.2% | 578,800 | 0.0% | 0.40% | +10.2% |
| Q4 2020 | $3,797,000 | +68.1% | 578,800 | -0.9% | 0.36% | +62.6% |
| Q3 2020 | $2,259,000 | -1.5% | 583,900 | 0.0% | 0.22% | +6.2% |
| Q2 2020 | $2,294,000 | +27.5% | 583,900 | -1.7% | 0.21% | -3.7% |
| Q1 2020 | $1,799,000 | -3.2% | 593,900 | -1.0% | 0.22% | +34.0% |
| Q4 2019 | $1,859,000 | +36.4% | 599,600 | +156.9% | 0.16% | +36.1% |
| Q3 2019 | $1,363,000 | – | 233,375 | – | 0.12% | – |
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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% |