Institutional Ownership
Fastenal Co
CUSIP 311900104COMFASTQ1 2026
Shares Short
31.48M
As of Jul 15, 2026
Days to Cover
3.40
Short shares ÷ avg daily volume
Change vs Prior
+1.9%
vs previous settlement
Avg Daily Volume
9.25M
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 | 31.48M | 30.91M | +1.9% | 9.25M | 3.40 |
| Jun 30, 2026 | 30.91M | 31.32M | -1.3% | 8.24M | 3.75 |
| Jun 15, 2026 | 31.32M | 28.46M | +10.1% | 6.51M | 4.81 |
| May 29, 2026 | 28.46M | 28.16M | +1.1% | 6.90M | 4.12 |
| May 15, 2026 | 28.16M | 24.52M | +14.8% | 6.48M | 4.35 |
| Apr 30, 2026 | 24.52M | 24.25M | +1.1% | 6.18M | 3.97 |
| Apr 15, 2026 | 24.25M | 27.51M | -11.8% | 8.48M | 2.86 |
| Mar 31, 2026 | 27.51M | 31.14M | -11.6% | 8.40M | 3.28 |
| Mar 13, 2026 | 31.14M | 31.93M | -2.5% | 7.88M | 3.95 |
| Feb 27, 2026 | 31.93M | 33.15M | -3.7% | 6.43M | 4.96 |
| Feb 13, 2026 | 33.15M | 34.67M | -4.4% | 10.06M | 3.29 |
| Jan 30, 2026 | 34.67M | 31.51M | +10.0% | 10.31M | 3.36 |