Mayville Engineering Ownership | Who Owns Mayville Engineering?
Mayville Engineering Ownership Summary
Mayville Engineering is owned by 93.25% institutional investors, 23.36% insiders. Allspring global investments is the largest institutional shareholder, holding 4.69% of MEC shares. Allspring Special Small Cap Value A is the top mutual fund, with 2.71% of its assets in Mayville Engineering shares.
MEC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Mayville Engineering | 93.25% | 23.36% | -16.62% |
| Sector | Industrials Stocks | 68.69% | 16.25% | 15.07% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Allspring global investments | 1.07M | 4.69% | $16.76M |
| Blackrock funding, inc. /de | 881.85K | 4.32% | $15.83M |
| Blackrock | 849.57K | 4.15% | $14.15M |
| Portolan capital management | 821.14K | 4.02% | $14.74M |
| Fmr | 846.18K | 3.72% | $12.69M |
| Vanguard group | 627.65K | 3.07% | $11.75M |
| Evr research lp | 620.00K | 3.04% | $11.13M |
| Dimensional fund advisors lp | 685.12K | 3.01% | $10.28M |
| Royce & associates lp | 667.01K | 2.93% | $10.01M |
| Blair william & co/il | 567.54K | 2.49% | $8.51M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Evr research lp | 620.00K | 4.45% | $11.13M |
| Panoramic capital | 140.00K | 1.76% | $2.51M |
| Bastion asset management | 128.21K | 0.85% | $1.95M |
| Formula growth | 100.00K | 0.81% | $1.79M |
| Portolan capital management | 821.14K | 0.78% | $14.74M |
| Jb capital partners lp | 250.51K | 0.77% | $4.50M |
| Essential investment partners | 59.24K | 0.60% | $888.54K |
| Granahan investment management | 387.47K | 0.34% | $6.96M |
| Hunter associates investment management | 164.04K | 0.29% | $2.46M |
| Centerbook partners lp | 341.00K | 0.23% | $5.12M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Centerbook partners lp | 341.00K | 0.23% | 310.01K |
| Portolan capital management | 821.14K | 0.78% | 308.37K |
| Ubs group | 316.42K | 0.00% | 233.76K |
| Millennium management | 380.97K | 0.00% | 227.77K |
| Nuveen | 489.01K | 0.00% | 207.09K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Boston partners | - | - | -696.43K |
| Fmr | 846.18K | 0.00% | -433.99K |
| 22nw, lp | - | - | -414.28K |
| Ameriprise financial | - | - | -351.79K |
| Nokomis capital | - | - | -346.97K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Panoramic capital | 140.00K | 1.76% | 140.00K | $2.51M |
| Bastion asset management | 128.21K | 0.85% | 128.21K | $1.95M |
| Diamond hill capital management | 105.52K | 0.02% | 105.52K | $1.58M |
| Vanguard fiduciary trust | 91.04K | 0.00% | 91.04K | $1.63M |
| Numerai gp | 39.76K | 0.07% | 39.76K | $713.60K |
Sold Out
| Holder | Change |
|---|---|
| Root financial partners | -5.00 |
| True wealth design | -9.00 |
| Signaturefd | -13.00 |
| First personal financial services | -25.00 |
| Capital performance advisors llp | -26.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 167 | 34.68% | 21,231,344 | 47.43% | 93 | 1.88% | 102 | 64.52% | 39 | - |
| Mar 31, 2026 | 120 | -2.44% | 14,178,093 | 1.55% | 69 | 1.49% | 62 | - | 37 | -13.95% |
| Dec 31, 2025 | 23 | -77.67% | 3,486,498 | -73.75% | 17 | 0.41% | 10 | -82.76% | 9 | -66.67% |
| Sep 30, 2025 | 34 | -67.31% | 3,911,217 | -68.56% | 19 | 0.52% | 14 | -75.86% | 12 | -55.56% |
| Jun 30, 2025 | 109 | -7.63% | 12,628,125 | 1.54% | 61 | 1.68% | 60 | 13.21% | 29 | -23.68% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Allspring Special Small Cap Value A | 690.23K | 2.71% | 20.37K |
| Fidelity Growth Strategies | 633.30K | 2.48% | -649.20K |
| Tocqueville | 500.00K | 2.44% | - |
| Vanguard MStar Total Stk Mkt Idx Invest | 617.23K | 2.42% | 60.95K |
| Vanguard Total Stock Mkt Idx Inv | 556.28K | 2.18% | 2.34K |
| Vanguard Morn Total Stk Mkt Idx Investor | 556.28K | 2.18% | 2.34K |
| iShares Russell 2000 ETF | 552.28K | 2.17% | - |
| Janus Henderson Venture D | 476.39K | 1.87% | - |
| Janus Henderson US Small Cap Growth | 474.69K | 1.86% | 474.69K |
| Vanguard US Total Market Shares ETF | 318.53K | 1.56% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 06, 2026 | Leuba Sean P | SVP, GC & Secretary | Sell | $327.03K |
| Jun 11, 2026 | Reddy Jagadeesh A | President & CEO | Sell | $549.82K |
| Jun 08, 2026 | Reddy Jagadeesh A | President & CEO | Sell | $45.51K |
| Jun 01, 2026 | Reddy Jagadeesh A | President & CEO | Sell | $518.82K |
| Jun 01, 2026 | Reddy Jagadeesh A | President & CEO | Sell | $538.26K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 1 |
| 2026 Q2 | - | 8 |
| 2026 Q1 | - | 2 |
| 2025 Q4 | - | 4 |
| 2025 Q3 | 3 | - |
MEC Ownership FAQ
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