Institutional Ownership
Ribbon Communications Inc
CUSIP 762544104COMRBBNQ1 2026
Shares Short
4.16M
As of Jul 15, 2026
Days to Cover
5.05
Short shares ÷ avg daily volume
Change vs Prior
+14.0%
vs previous settlement
Avg Daily Volume
824.2K
FINRA reported ADV
Short Interest History
17 settlements on record · FINRA consolidated
Higher short interest is bearish: increases show red, decreases green.
| Settlement | Shares Short | Prior | Change | Avg Daily Vol | Days to Cover |
|---|---|---|---|---|---|
| Jul 15, 2026 | 4.16M | 3.65M | +14.0% | 824.2K | 5.05 |
| Jun 30, 2026 | 3.65M | 3.83M | -4.7% | 860.4K | 4.24 |
| Jun 15, 2026 | 3.83M | 3.90M | -1.8% | 797.9K | 4.80 |
| May 29, 2026 | 3.90M | 3.54M | +9.9% | 1.52M | 2.56 |
| May 15, 2026 | 3.54M | 3.42M | +3.5% | 681.2K | 5.20 |
| Apr 30, 2026 | 3.42M | 3.19M | +7.3% | 1.15M | 2.98 |
| Apr 15, 2026 | 3.19M | 3.15M | +1.3% | 1.04M | 3.06 |
| Mar 31, 2026 | 3.15M | 3.00M | +4.9% | 534.0K | 5.90 |
| Mar 13, 2026 | 3.00M | 3.37M | -10.8% | 764.3K | 3.93 |
| Feb 27, 2026 | 3.37M | 3.71M | -9.1% | 1.07M | 3.16 |
| Feb 13, 2026 | 3.71M | 3.49M | +6.1% | 1.55M | 2.39 |
| Jan 30, 2026 | 3.49M | 3.38M | +3.4% | 435.3K | 8.03 |