MTZ · Mastec Inc

$241.00 -10.13 (-4.03%) At close · Aug 28

S&P 400 member Russell 1000 member Rebalance outlook locked

Market Cap

$20.17B

80.30M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-08-28	284,281	802	647,244	43.9%
2026-08-27	276,526	555	458,149	60.4%
2026-08-26	292,881	0	716,294	40.9%
2026-08-25	324,003	480	832,909	38.9%
2026-08-24	289,053	297	779,143	37.1%
2026-08-21	339,346	136	568,688	59.7%
2026-08-20	307,200	1	554,582	55.4%
2026-08-19	300,828	26	815,924	36.9%
2026-08-18	348,471	0	532,178	65.5%
2026-08-17	542,574	37	726,841	74.6%
2026-08-14	603,480	0	780,450	77.3%
2026-08-13	618,297	423	841,164	73.5%
2026-08-12	507,770	1	671,345	75.6%
2026-08-11	397,336	612	498,499	79.7%
2026-08-10	377,096	7	559,194	67.4%
2026-08-07	416,737	0	684,670	60.9%
2026-08-06	257,923	165	373,157	69.1%
2026-08-05	299,997	2	463,536	64.7%
2026-08-04	438,822	0	678,095	64.7%
2026-08-03	529,354	16,660	985,487	53.7%
2026-07-31	785,604	33,331	1,607,394	48.9%
2026-07-30	612,405	8	1,103,659	55.5%
2026-07-29	244,554	2,774	605,866	40.4%
2026-07-28	287,973	65	570,205	50.5%
2026-07-27	231,036	157	647,051	35.7%
2026-07-24	177,574	0	326,225	54.4%
2026-07-23	200,791	9	278,525	72.1%
2026-07-22	223,061	1	334,038	66.8%
2026-07-21	218,158	4	391,419	55.7%
2026-07-20	147,591	795	374,004	39.5%
2026-07-17	394,930	644	904,425	43.7%
2026-07-16	301,909	1,587	563,688	53.6%
2026-07-15	293,969	239	467,512	62.9%
2026-07-14	159,568	1,383	297,356	53.7%
2026-07-13	168,961	357	315,383	53.6%
2026-07-10	282,593	0	425,386	66.4%
2026-07-09	228,940	310	328,218	69.8%
2026-07-08	331,125	0	576,981	57.4%
2026-07-07	296,091	110	485,649	61.0%
2026-07-06	128,569	113	254,932	50.4%
2026-07-02	203,304	3	358,075	56.8%
2026-07-01	220,064	330	484,628	45.4%
2026-06-30	218,693	0	572,109	38.2%
2026-06-29	385,743	0	604,422	63.8%
2026-06-26	513,455	25	673,070	76.3%
2026-06-25	246,965	0	460,586	53.6%
2026-06-24	154,697	28	250,311	61.8%
2026-06-23	268,687	46	457,807	58.7%
2026-06-22	253,781	0	466,685	54.4%
2026-06-18	300,129	10	490,185	61.2%

Showing 1–50 of 64 days

Key facts CIK 15615 CUSIP 576323109 13F (30d) 682 filings 653 filers Visit website Investor relations