MEC · Mayville Engineering Company, Inc.

$24.09 +0.69 (+2.95%) At close · Aug 14

Market Cap

$614.30M

25.50M

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-07-06	596,903	258,598	855,501	48.1%
2026-06-29	920,730	345,430	1,266,160	47.8%
2026-06-22	640,153	593,066	1,233,219	41.3%
2026-06-15	587,696	281,254	868,950	36.7%
2026-06-08	1,444,808	522,360	1,967,168	52.0%
2026-06-01	2,129,709	613,623	2,743,332	55.1%
2026-05-25	427,192	271,371	698,563	45.1%
2026-05-18	1,354,990	434,971	1,789,961	43.4%
2026-05-11	842,499	151,766	994,265	47.7%
2026-05-04	433,031	252,065	685,096	44.4%
2026-04-27	221,476	71,707	293,183	39.4%
2026-04-20	82,496	51,506	134,002	34.1%
2026-04-13	150,377	57,856	208,233	34.4%
2026-04-06	171,886	71,043	242,929	40.2%
2026-03-30	146,988	87,279	234,267	37.7%
2026-03-23	167,599	66,219	233,818	39.8%
2026-03-16	161,145	95,213	256,358	33.1%
2026-03-09	252,190	89,859	342,049	37.7%
2026-03-02	498,080	191,069	689,149	38.2%
2026-02-23	178,945	61,967	240,912	39.3%
2026-02-16	118,980	99,130	218,110	46.7%
2026-02-09	179,751	129,868	309,619	44.9%
2026-02-02	213,644	154,118	367,762	39.6%
2026-01-26	236,167	81,306	317,473	40.9%
2026-01-19	88,570	72,148	160,718	37.4%
2026-01-12	348,869	222,828	571,697	51.5%
2026-01-05	212,394	66,755	279,149	34.1%
2025-12-29	198,739	128,326	327,065	45.5%
2025-12-22	144,839	60,646	205,485	42.8%
2025-12-15	254,775	125,683	380,458	30.8%
2025-12-08	215,425	119,325	334,750	40.4%
2025-12-01	169,218	86,911	256,129	39.9%
2025-11-24	137,600	83,380	220,980	35.5%
2025-11-17	321,411	501,037	822,448	39.9%
2025-11-10	238,219	111,098	349,317	39.9%
2025-11-03	374,636	275,858	650,494	40.8%
2025-10-27	303,811	160,557	464,368	45.0%
2025-10-20	714,869	307,912	1,022,781	42.8%
2025-10-13	156,001	138,210	294,211	43.1%
2025-10-06	142,654	61,459	204,113	39.7%
2025-09-29	148,549	119,546	268,095	44.9%
2025-09-22	150,050	89,083	239,133	33.8%
2025-09-15	186,649	114,027	300,676	37.5%
2025-09-08	168,470	66,066	234,536	47.5%
2025-09-01	90,079	45,792	135,871	35.2%
2025-08-25	128,579	57,315	185,894	37.0%
2025-08-18	109,843	62,790	172,633	32.8%

Showing 1–47 of 47 weeks

Key facts CIK 1766368 CUSIP 578605107 13F (30d) 149 filings 148 filers Visit website Investor relations