Institutional Ownership
Ultragenyx Pharmaceutical In
CUSIP 90400D108COMRAREQ1 2026
Shares Short
13.44M
As of Jul 15, 2026
Days to Cover
6.94
Short shares ÷ avg daily volume
Change vs Prior
-17.2%
vs previous settlement
Avg Daily Volume
1.94M
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 | 13.44M | 16.22M | -17.2% | 1.94M | 6.94 |
| Jun 30, 2026 | 16.22M | 14.31M | +13.3% | 4.50M | 3.60 |
| Jun 15, 2026 | 14.31M | 14.70M | -2.7% | 1.62M | 8.85 |
| May 29, 2026 | 14.70M | 13.98M | +5.2% | 1.50M | 9.83 |
| May 15, 2026 | 13.98M | 13.67M | +2.3% | 1.70M | 8.22 |
| Apr 30, 2026 | 13.67M | 12.09M | +13.1% | 1.63M | 8.40 |
| Apr 15, 2026 | 12.09M | 11.41M | +5.9% | 1.71M | 7.09 |
| Mar 31, 2026 | 11.41M | 9.93M | +14.9% | 2.37M | 4.81 |
| Mar 13, 2026 | 9.93M | 9.60M | +3.5% | 2.08M | 4.78 |
| Feb 27, 2026 | 9.60M | 9.86M | -2.7% | 1.78M | 5.40 |
| Feb 13, 2026 | 9.86M | 9.10M | +8.4% | 2.52M | 3.92 |
| Jan 30, 2026 | 9.10M | 8.86M | +2.6% | 2.36M | 3.85 |