What is the 13F Pro Quality Score for MEC?

13F Pro ranks Mayville Engineering Company, Inc. (MEC) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View MEC's current score at https://13fpro.ai/research/MEC (free sign-up required for the full ranking).

Where does 13F Pro source MEC data?

All Mayville Engineering Company, Inc. fundamentals and ownership data come directly from SEC EDGAR. Mayville Engineering Company, Inc. files with the SEC under CIK 1766368. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is MEC in?

Mayville Engineering Company, Inc. (MEC) is classified in the Industrials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/industrials.

How often is MEC research updated on 13F Pro?

MEC's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

Mayville Engineering Company, Inc.(MEC)Stock Analysis

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13F Pro Quality Score

34.0/100

Rank #2,216 of 2,879 stocks

View Industrials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

21.8/100

Profitability

26.7/100

Balance Sheet

29.4/100

Earnings Quality

30.0/100

Free Cash Flow

39.9/100

Institutional Flow

61.5/100

Revenue Scale

38.5/100

Dilution Risk

70.6/100

MEC Stock Analysis & AI Quality Score

AI stock analysis and institutional research for Mayville Engineering Company, Inc. (MEC), a Industrials sector company. 13F Pro's AI-powered ranking engine scores MEC at 34.0/100 on a 32-signal composite quality model, placing it at rank #2,216 of 2,879 stocks — the bottom half of the AI-ranked universe. Areas of concern include revenue growth (21.8) and profitability (26.7), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), Mayville Engineering Company, Inc. reports quarterly revenue of $144.8M, net income of $-8.2M, an operating margin of -5.3%. Top institutional holders of MEC by reported 13-F value include Allspring Global Investments Holdings,, DIMENSIONAL FUND ADVISORS, BlackRock,, based on the most recent SEC filings. MEC trades on the NYSE exchange and files with the SEC under CIK 1766368. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MEC daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Mayville Engineering Company, Inc. directly from SEC EDGAR.

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Fun facts about Mayville Engineering Company, Inc.

Quirks, history, and lore behind MEC — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. industrial manufacturer · small-cap · listed on NYSE · headquartered in Wisconsin.
2
The Numbers
Annual revenue in the range of $500–600 million, with operations spread across multiple U.S. manufacturing facilities — a quiet but sizable contract shop.
3
The History
Founded in 1945 as a small fabrication shop, it spent decades growing through acquisitions before going public on the NYSE in 2019.
4
The Secret
It doesn't sell finished products you'd recognize — it's a contract manufacturer making metal components and assemblies for other companies' branded equipment.
5
The Lore
Its customers include makers of commercial vehicles, agricultural equipment, and construction machinery — basically, if it's a big machine that works outside, there's a good chance this company made a part of it.
6
The Giveaway
Its ticker is literally its initials — MEC — and its hometown of Mayville, Wisconsin is basically the company's company town.

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Revenue

Q1 2026

$144.8M

Net Income

Q1 2026

$-8.2M

Free Cash Flow

Q1 2026

$-6.9M

Operating Margin

Q1 2026

-5.3%

ROIC

Q1 2026

-3.3%

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

-6.0% YoY

$546.5MFY 2025

FY22 $539.4MFY23 $588.4MFY24 $581.6MFY25 $546.5M

Net Income

-131.2% YoY

$-8.1MFY 2025

FY22 $18.7MFY23 $7.8MFY24 $26.0MFY25 $-8.1M

Operating Income

-108.6% YoY

$-3.8MFY 2025

FY22 $25.8MFY23 $20.2MFY24 $44.6MFY25 $-3.8M

EPS (Diluted)

-132.3% YoY

$-0.40FY 2025

FY22 $0.91FY23 $0.38FY24 $1.24FY25 $-0.40

Total Assets

+26.5% YoY

$563.6MFY 2025

FY22 $440.6MFY23 $496.7MFY24 $445.6MFY25 $563.6M

Op. Cash Flow

-57.1% YoY

$38.6MFY 2025

FY22 $52.4MFY23 $40.4MFY24 $89.8MFY25 $38.6M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2020	FY 2019
Revenue	$546.5M -6.0%	$581.6M -1.2%	$588.4M +9.1%	$539.4M +50.8%	$357.6M -31.2%	$519.7M
Net Income	$-8.1M -131.2%	$26.0M +231.1%	$7.8M -58.1%	$18.7M +364.1%	$-7.1M -49.2%	$-4.8M
Operating Income	$-3.8M -108.6%	$44.6M +120.7%	$20.2M -21.7%	$25.8M +496.6%	$-6.5M -231.9%	$-2.0M
EPS (Diluted)	$-0.40 -132.3%	$1.24 +226.3%	$0.38 -58.2%	$0.91 +352.8%	$-0.36 -33.3%	$-0.27
Total Assets	$563.6M +26.5%	$445.6M -10.3%	$496.7M +12.7%	$440.6M +30.1%	$338.5M -6.9%	$363.6M
Operating Cash Flow	$38.6M -57.1%	$89.8M +122.5%	$40.4M -23.0%	$52.4M +43.5%	$36.5M +9.3%	$33.4M

AI Insight: MEC Financial Trends

Mayville Engineering has deteriorated from $16M net income in Q4 2024 to -$8M losses in Q1 2026 with operating margins turning negative.

• Revenue declined from $164M in Q2 2024 to $145M in Q1 2026, down 12% over eight quarters.

• Net income collapsed from $16M profit in Q4 2024 to -$8M loss in Q1 2026.

• Operating income turned negative, falling from $23M in Q4 2024 to -$8M in Q1 2026.

• Operating cash flow deteriorated from $38M in Q4 2024 to negative $3M in Q1 2026.

⚠ Equity has eroded from $252M in Q4 2024 to $232M in Q1 2026 amid mounting losses.

⚠ Operating margins have turned negative for two consecutive quarters after positive Q4 2024 performance.

AI Insight: MEC Ratio Trends

MEC's profitability collapsed from 19.0% operating margin in Q4 2024 to deeply negative -5.3% in Q1 2026.

• Operating margin deteriorated from 19.0% in Q4 2024 to -5.3% in Q1 2026.

• ROIC plunged from 36.6% in Q4 2024 to -13.2% in Q1 2026.

• Net profit margin turned negative from Q2 2025 onward, reaching -5.7% in Q1 2026.

• ROE declined sharply from 25.4% in Q4 2024 to -14.1% in Q1 2026.

⚠ Five consecutive quarters of margin compression since Q4 2024 peak performance.

⚠ All profitability metrics turned negative in latest quarter for first time in dataset.

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Available Research

13F Pro tracks comprehensive data for Mayville Engineering Company, Inc. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of MEC

Allspring Global Investments Holdings, LLC
$35.8M2,000,350 sh
DIMENSIONAL FUND ADVISORS LP
$16.6M926,216 sh
BlackRock, Inc.
$15.8M881,854 sh
Portolan Capital Management, LLC
$14.7M821,136 sh
ROYCE & ASSOCIATES LP
$13.5M751,001 sh
EVR Research LP
$11.1M620,000 sh
VANGUARD CAPITAL MANAGEMENT LLC
$10.7M594,938 sh
BLAIR WILLIAM & CO/IL
$10.1M565,300 sh
First Eagle Investment Management, LLC
$7.3M404,075 sh
Granahan Investment Management, LLC
$7.0M387,470 sh

Fund	Value	Shares
Allspring Global Investments Holdings, LLC	$35.8M	2,000,350
DIMENSIONAL FUND ADVISORS LP	$16.6M	926,216
BlackRock, Inc.	$15.8M	881,854
Portolan Capital Management, LLC	$14.7M	821,136
ROYCE & ASSOCIATES LP	$13.5M	751,001
EVR Research LP	$11.1M	620,000
VANGUARD CAPITAL MANAGEMENT LLC	$10.7M	594,938
BLAIR WILLIAM & CO/IL	$10.1M	565,300
First Eagle Investment Management, LLC	$7.3M	404,075
Granahan Investment Management, LLC	$7.0M	387,470

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Is MEC a good stock to buy?

13F Pro's AI-powered analysis of Mayville Engineering Company, Inc. (MEC) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Industrials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for MEC are available on the MEC stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own MEC?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling MEC. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of Mayville Engineering Company, Inc.'s investment landscape.