RBBN
Ribbon Communications Inc.Company with tickers: RBBN
CIK
1708055
CUSIP
762544104
Shares Outstanding
176,139,067
13F Activity (30d)
122 filings
119 filers
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-15 | 3,544,743 | 3,424,570 | +120,173 | 5.20 |
| 2026-04-30 | 3,424,570 | 3,192,230 | +232,340 | 2.98 |
| 2026-04-15 | 3,192,230 | 3,151,966 | +40,264 | 3.06 |
| 2026-03-31 | 3,151,966 | 3,004,557 | +147,409 | 5.90 |
| 2026-03-13 | 3,004,557 | 3,369,224 | -364,667 | 3.93 |
| 2026-02-27 | 3,369,224 | 3,707,139 | -337,915 | 3.16 |
| 2026-02-13 | 3,707,139 | 3,494,153 | +212,986 | 2.39 |
| 2026-01-30 | 3,494,153 | 3,377,824 | +116,329 | 8.03 |
| 2026-01-15 | 3,377,824 | 3,352,510 | +25,314 | 5.62 |
| 2025-12-31 | 3,352,510 | 3,218,179 | +134,331 | 5.79 |
| 2025-12-15 | 3,218,179 | 3,136,135 | +82,044 | 4.57 |
| 2025-11-28 | 3,136,135 | 3,255,200 | -119,065 | 4.20 |
| 2025-11-14 | 3,255,200 | 3,135,484 | +119,716 | 4.85 |
| 2025-10-31 | 3,135,484 | 3,059,236 | +76,248 | 3.17 |
| 2025-10-15 | 3,059,236 | 3,282,234 | -222,998 | 5.14 |
| 2025-09-30 | 3,282,234 | 3,366,393 | -84,159 | 6.46 |
| 2025-09-15 | 3,366,393 | 3,087,018 | +279,375 | 4.94 |
| 2025-08-29 | 3,087,018 | 3,169,755 | -82,737 | 6.89 |
| 2025-08-15 | 3,169,755 | 2,805,004 | +364,751 | 5.99 |
| 2025-07-31 | 2,805,004 | 2,714,275 | +90,729 | 4.30 |
| 2025-07-15 | 2,714,275 | 2,213,851 | +500,424 | 7.00 |
| 2025-06-30 | 2,213,851 | 2,138,708 | +75,143 | 3.94 |
| 2025-06-13 | 2,138,708 | 1,846,696 | +292,012 | 2.70 |
| 2025-05-30 | 1,846,696 | 1,787,788 | +58,908 | 4.87 |