MAYVILLE ENGR CO INC COM is a security (CUSIP 578605107) tracked across SEC portfolio filings. 127 institutional managers reported $296.0M on Form 13F as of 2026-06-30; 14 registered fund positions totaling $8.6M via N-PORT as of 2026-05-31.
Showing 15 of 127 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Allspring Global Investments Holdings, LLC | CHARLOTTE, NC | $35.8M | 2,000,350 |
| Boston Partners | BOSTON, MA | $25.8M | 696,429 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $16.6M | 926,216 |
| BlackRock, Inc. | New York, NY | $15.8M | 881,854 |
| Portolan Capital Management, LLC | Boston, MA | $14.7M | 821,136 |
| First Eagle Investment Management, LLC | NEW YORK, NY | $13.8M | 369,575 |
| ROYCE & ASSOCIATES LP | New York, NY | $13.5M | 751,001 |
| VANGUARD GROUP INC | Valley Forge, PA | $11.7M | 627,655 |
| EVR Research LP | RICHMOND, VA | $11.1M | 620,000 |
| BLAIR WILLIAM & CO/IL | Chicago, IL | $10.1M | 565,300 |
| Granahan Investment Management, LLC | WALTHAM, MA | $7.0M | 387,470 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $6.8M | 380,972 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $6.0M | 335,835 |
| STATE STREET CORP | BOSTON, MA | $5.1M | 285,850 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | NEW YORK, NY | $4.8M | 269,681 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $2.9M | 0.36% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $1.8M | 1.03% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $1.0M | 1.39% |
| TIFF MULTI-ASSET FUND | TIFF Investment Program | $772K | 5.55% |
| Perritt MicroCap Opportunities Fund | Perritt Funds Inc | $588K | 94.36% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $413K | 0.86% |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | Goldman Sachs ETF Trust | $413K | 4.18% |
| Embark Small Cap Equity Fund | Harbor Funds II | $263K | 4.60% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $154K | 0.05% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $152K | 0.03% |
| Vericimetry U.S. Small Cap Value Fund | VERICIMETRY FUNDS | $35K | 2.07% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $33K | 0.78% |
| Longview Advantage ETF | RBB Fund Trust | $18K | 0.27% |
| TIAA Separate Account VA-1 - Stock Index Account | TIAA Separate Account VA-1 | $16K | 0.12% |