MEC · Company research
Mayville Engineering Company, Inc. (MEC): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
25records availableBasic Materials
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Janney Montgomery Scott LLC | 1329948 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31304 | 1173 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| KORNITZER CAPITAL MANAGEMENT INC /KS | 898358 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29587 | 1108329 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26 | 974 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5395 | 202097 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24820 | 929757 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1232395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 313943 | 11760305 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 111402 | 4173118 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| DELTA CAPITAL MANAGEMENT LLC | 893738 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9920 | 372 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 320098 | 11994584 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| HARBOR CAPITAL ADVISORS, INC. | 1039128 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28625 | 1072 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20001 | 749227 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 295 | 11051 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| JB CAPITAL PARTNERS LP | 1138532 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250512 | 9384180 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 112455 | 4212564 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Ophir Asset Management Pty Ltd | 1844640 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 326699 | 12238145 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Driehaus Capital Management LLC | 938206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 846354 | 31704421 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8648 | 323954 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| KENNEDY CAPITAL MANAGEMENT LLC | 884589 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 336377 | 12600682 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AWM Investment Company, Inc. | 1535264 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 180000 | 6742800 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Informed Momentum Co LLC | 1510989 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129182 | 4839158 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6893 | 184 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4651 | 174226 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| WESBANCO BANK INC | 877134 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18000 | 674280 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| TUDOR INVESTMENT CORP ET AL | 923093 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 169848 | 6362506 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 350030 | 6283039 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.