MLM
Martin Marietta Materials Inc
$569.35
-8.37 (-1.45%)
At close · Jul 13
Market Cap
$34.19B
Shares
60,045,900
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
54/100
Short interest 3.7% of shares — P64
Days to cover 3.0 — P60
Price vs VWAP -3.3% — P42
Short-volume trend +0.6% — P54
Short interest change +3.2% — P55
Worst FTD 0.00% of shares — P25
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-30 | 2,229,187 | 2,160,946 | +68,241 | 3.02 |
| 2026-06-15 | 2,160,946 | 2,215,305 | -54,359 | 4.27 |
| 2026-05-29 | 2,215,305 | 1,664,180 | +551,125 | 3.36 |
| 2026-05-15 | 1,664,180 | 1,439,413 | +224,767 | 3.47 |
| 2026-04-30 | 1,439,413 | 1,677,013 | -237,600 | 2.76 |
| 2026-04-15 | 1,677,013 | 1,890,998 | -213,985 | 4.96 |
| 2026-03-31 | 1,890,998 | 1,723,193 | +167,805 | 3.37 |
| 2026-03-13 | 1,723,193 | 1,788,257 | -65,064 | 2.63 |
| 2026-02-27 | 1,788,257 | 1,632,050 | +156,207 | 2.99 |
| 2026-02-13 | 1,632,050 | 2,114,191 | -482,141 | 2.74 |
| 2026-01-30 | 2,114,191 | 2,002,181 | +112,010 | 5.88 |
| 2026-01-15 | 2,002,181 | 1,989,623 | +12,558 | 4.29 |
| 2025-12-31 | 1,989,623 | 1,742,510 | +247,113 | 4.80 |
| 2025-12-15 | 1,742,510 | 1,625,834 | +116,676 | 4.80 |
| 2025-11-28 | 1,625,834 | 1,596,544 | +29,290 | 3.68 |
| 2025-11-14 | 1,596,544 | 1,597,944 | -1,400 | 3.38 |
| 2025-10-31 | 1,597,944 | 1,779,938 | -181,994 | 5.22 |
| 2025-10-15 | 1,779,938 | 1,660,226 | +119,712 | 5.44 |
| 2025-09-30 | 1,660,226 | 1,652,791 | +7,435 | 4.58 |
| 2025-09-15 | 1,652,791 | 1,685,207 | -32,416 | 4.53 |
| 2025-08-29 | 1,685,207 | 1,975,623 | -290,416 | 4.31 |
| 2025-08-15 | 1,975,623 | 2,168,389 | -192,766 | 3.95 |
| 2025-07-31 | 2,168,389 | 2,176,304 | -7,915 | 6.10 |
| 2025-07-15 | 2,176,304 | 1,996,318 | +179,986 | 6.44 |
Showing 1–24 of 24 settlements
Key facts
CIK
916076
CUSIP
573284106
13F (30d)
120 filings
83 filers
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