Who owns Mayville Engineering Co Inc (MEC)?
85 US mutual funds and ETFs from 59 fund families reported a position in MEC for the quarter ending 2026-06-30. Against their own report a quarter earlier, 37 raised shares, 22 opened a new position, 12 cut and 5 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Vanguard Index Funds | 2 | 16.9% |
| Allspring Funds Trust | 1 | 16.7% |
| Ishares Trust | 4 | 14.0% |
| Janus Investment Fund | 1 | 11.0% |
| Royce Fund | 1 | 8.3% |
| Brighthouse Funds Trust I | 1 | 4.3% |
Tracked managers holding MEC
None of the managers Prior Moves tracks on 13F reports MEC in its latest filing.
Source: SEC Form N-PORT, which funds file about 60 days after quarter end, and the latest 13F filings. Share counts, not trades: a change can reflect fund inflows or outflows rather than a decision about MEC. A record of holdings, not a forecast and not investment advice. See all owner pages or the forecast board for the names our model ranks.
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