Institutional Ownership
Martin Marietta Matls Inc
CUSIP 573284106COMMLMQ1 2026
Shares Short
2.45M
As of Jul 15, 2026
Days to Cover
4.22
Short shares ÷ avg daily volume
Change vs Prior
+9.7%
vs previous settlement
Avg Daily Volume
579.0K
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 | 2.45M | 2.23M | +9.7% | 579.0K | 4.22 |
| Jun 30, 2026 | 2.23M | 2.16M | +3.2% | 738.5K | 3.02 |
| Jun 15, 2026 | 2.16M | 2.22M | -2.5% | 505.9K | 4.27 |
| May 29, 2026 | 2.22M | 1.66M | +33.1% | 659.3K | 3.36 |
| May 15, 2026 | 1.66M | 1.44M | +15.6% | 479.1K | 3.47 |
| Apr 30, 2026 | 1.44M | 1.68M | -14.2% | 520.6K | 2.76 |
| Apr 15, 2026 | 1.68M | 1.89M | -11.3% | 337.9K | 4.96 |
| Mar 31, 2026 | 1.89M | 1.72M | +9.7% | 561.7K | 3.37 |
| Mar 13, 2026 | 1.72M | 1.79M | -3.6% | 655.0K | 2.63 |
| Feb 27, 2026 | 1.79M | 1.63M | +9.6% | 597.9K | 2.99 |
| Feb 13, 2026 | 1.63M | 2.11M | -22.8% | 595.3K | 2.74 |
| Jan 30, 2026 | 2.11M | 2.00M | +5.6% | 359.8K | 5.88 |