MAYVILLE ENGR CO INC (MEC) is held by 73 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is Allspring Global Investments Holdings, LLC as of Q1 2026.

Are institutions buying or selling MEC?

In Q1 2026, 35 institutions opened or increased positions in MAYVILLE ENGR CO INC while 40 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on MEC?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MAYVILLE ENGR CO INC.

How many hedge funds hold MEC?

73 institutional investors report holding MAYVILLE ENGR CO INC (MEC) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MEC?

As of Q1 2026, tracked institutions in MAYVILLE ENGR CO INC show 35 buyers versus 40 sellers — net outflows.

MAYVILLE ENGR CO INC

MEC·578605107·US·Common Stock·Industrials - Metal Fabrication-13D/G

Holders

Avg rating(21 Elite)

$188.2M

Total Value

47% (82)

Fund Consensus

35 buying - 40 selling

Smart Money Verdict

View all

Held by 73 funds

21 elite

Who's Trading

Activist

Allspring Global Investments Holdings, LLC4.2%Jul 8, 2026

ActivistPOPortolan Capital Management, LLC5.9%May 28, 2026

InsiderRAReddy Jagadeesh ASell $266KMay 7, 2026

InsiderRAReddy Jagadeesh ASell $299KMay 7, 2026

InsiderLPLeuba Sean PSell $126KMar 5, 2026

InsiderLPLeuba Sean PSell $50KMar 5, 2026

ActivistHIHilve Holdings Ltd4.9%Feb 13, 2026

Activist

Allspring Global Investments Holdings, LLC10.1%Jan 8, 2026

InsiderFLFisher Steven LSell $95KDec 11, 2025

InsiderFLFisher Steven LSell $96KDec 11, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
Allspring Global Investments Holdings, LLC	Decreased	2M(-2.5%)	$35.8M	0.1%	+148.67%	0
DIMENSIONAL FUND ADVISORS LP	Increased	926,216(+5.6%)	$16.6M	0.0%	+111.64%	30
BlackRock, Inc.	Increased	881,854(+1.9%)	$15.8M	0.0%	+113.54%	29
ROYCE & ASSOCIATES LP	Increased	751,001(+20.3%)	$13.5M	0.1%	+132.15%	40
VAVANGUARD CAPITAL MANAGEMENT LLC	New	594,938	$10.7M	0.0%	+59.73%	38
BLAIR WILLIAM & CO/IL	Decreased	565,300(-3.2%)	$10.1M	0.0%	+97.04%	0
First Eagle Investment Management, LLC	Increased	404,075(+12.8%)	$7.3M	0.0%	+95.50%	31
MILLENNIUM MANAGEMENT LLC	Increased	380,972(+148.7%)	$6.8M	0.0%	+65.28%	44
AMERIPRISE FINANCIAL INC	Increased	351,790(+0.3%)	$6.3M	0.0%	+147.03%	27
GEODE CAPITAL MANAGEMENT, LLC	Increased	335,835(+2.1%)	$6M	0.0%	+137.70%	28
STATE STREET CORP	Increased	285,850(+0.3%)	$5.1M	0.0%	+123.34%	27
SILVERCREST ASSET MANAGEMENT GROUP LLC	Increased	269,681(+49.9%)	$4.8M	0.0%	+69.14%	37
Boston Partners	Increased	232,637(+4.5%)	$4.2M	0.0%	+131.44%	28
AMERICAN CENTURY COMPANIES INC	Decreased	221,673(-21.1%)	$4M	0.0%	+112.20%	0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	185,261(-35.8%)	$3.3M	0.0%	+80.11%	0
BANK OF AMERICA CORP /DE/	Decreased	183,599(-16.1%)	$3.3M	0.0%	+115.74%	0
WAWealthspire Advisors, LLC	Increased	141,607(+48.4%)	$2.5M	0.0%	+103.40%	36
Russell Investments Group, Ltd.	Decreased	138,215(-27.3%)	$2.5M	0.0%	+123.77%	0
Empowered Funds, LLC	Increased	123,293(+9.8%)	$2.2M	0.0%	+137.09%	29
SEI INVESTMENTS CO	Increased	122,878(+47.0%)	$2.2M	0.0%	+86.02%	36