MEC
Mayville Engineering Company, Inc.Company with tickers: MEC
CIK
1766368
CUSIP
578605107
Shares Outstanding
25,494,006
13F Activity (30d)
75 filings
70 filers
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.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 433,031 | 252,065 | 685,096 | 46.9% |
| 2026-04-27 | 221,476 | 71,707 | 293,183 | 51.2% |
| 2026-04-20 | 82,496 | 51,506 | 134,002 | 41.9% |
| 2026-04-13 | 150,377 | 57,856 | 208,233 | 39.2% |
| 2026-04-06 | 171,886 | 71,043 | 242,929 | 41.6% |
| 2026-03-30 | 146,988 | 87,279 | 234,267 | 47.1% |
| 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% |
| 2025-08-11 | 197,700 | 79,972 | 277,672 | 32.8% |
| 2025-08-04 | 402,568 | 226,251 | 628,819 | 46.2% |
| 2025-07-28 | 195,459 | 164,311 | 359,770 | 47.7% |
| 2025-07-21 | 92,187 | 32,092 | 124,279 | 32.7% |
| 2025-07-14 | 82,322 | 58,994 | 141,316 | 28.8% |
| 2025-07-07 | 72,749 | 42,518 | 115,267 | 32.6% |
| 2025-06-30 | 103,021 | 40,847 | 143,868 | 33.7% |
| 2025-06-23 | 186,877 | 129,041 | 315,918 | 34.8% |
| 2025-06-16 | 157,435 | 59,620 | 217,055 | 30.5% |
Showing 1–47 of 47 weeks