MTZ

Mastec Inc

$360.21 -12.68 (-3.40%) At close · Jul 13

Market Cap

$28.85B

79,018,556

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

65/100

Short interest 5.6% of shares — P76 Days to cover 3.2 — P63 Price vs VWAP -7.0% — P34 Short-volume trend +12.1% — P86 Short interest change +19.6% — P77 Worst FTD 0.00% of shares — P37

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.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-06-30	4,404,328	3,682,003	+722,325	1,377,096	3.20
2026-06-15	3,682,003	3,333,421	+348,582	1,044,365	3.53
2026-05-29	3,333,421	3,236,026	+97,395	1,410,491	2.36
2026-05-15	3,236,026	3,107,809	+128,217	1,117,828	2.89
2026-04-30	3,107,809	3,014,187	+93,622	849,855	3.66
2026-04-15	3,014,187	2,834,389	+179,798	656,061	4.59
2026-03-31	2,834,389	2,564,253	+270,136	1,060,166	2.67
2026-03-13	2,564,253	2,569,390	-5,137	1,092,219	2.35
2026-02-27	2,569,390	2,455,571	+113,819	1,120,362	2.29
2026-02-13	2,455,571	2,819,453	-363,882	943,318	2.60
2026-01-30	2,819,453	3,034,907	-215,454	659,314	4.28
2026-01-15	3,034,907	2,424,821	+610,086	1,148,984	2.64
2025-12-31	2,424,821	2,795,936	-371,115	641,457	3.78
2025-12-15	2,795,936	2,782,510	+13,426	891,554	3.14
2025-11-28	2,782,510	1,974,852	+807,658	787,027	3.54
2025-11-14	1,974,852	1,654,215	+320,637	782,765	2.52
2025-10-31	1,654,215	1,789,339	-135,124	1,119,029	1.48
2025-10-15	1,789,339	1,632,171	+157,168	966,157	1.85
2025-09-30	1,632,171	1,641,832	-9,661	932,446	1.75
2025-09-15	1,641,832	1,704,878	-63,046	920,106	1.78
2025-08-29	1,704,878	1,536,126	+168,752	865,078	1.97
2025-08-15	1,536,126	1,168,896	+367,230	1,169,975	1.31
2025-07-31	1,168,896	1,213,975	-45,079	964,666	1.21
2025-07-15	1,213,975	849,740	+364,235	819,813	1.48

Showing 1–24 of 24 settlements

Key facts CIK 15615 CUSIP 576323109 13F (30d) 69 filings 59 filers Visit website Investor relations