What is the 13F Pro Quality Score for MLI?

13F Pro ranks MUELLER INDUSTRIES INC (MLI) 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 MLI's current score at https://13fpro.ai/company/MLI (free sign-up required for the full ranking).

Which hedge funds own the most MLI stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of MLI include BlackRock,, FIRST ADVISORS, FMR. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/company/MLI as soon as new 13F filings post.

Where does 13F Pro source MLI data?

All MUELLER INDUSTRIES INC fundamentals and ownership data come directly from SEC EDGAR. MUELLER INDUSTRIES INC files with the SEC under CIK 89439. 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 MLI in?

MUELLER INDUSTRIES INC (MLI) is classified in the Materials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/materials.

What drives MLI's revenue?

Per MUELLER INDUSTRIES INC's latest 10-Q filed with the SEC on 2026-07-22, the biggest revenue drivers are: Piping Systems ($935,580 thousand external net sales, +27.3% YoY); Industrial Metals ($349,179 thousand external net sales, +31.2% YoY); Climate ($143,164 thousand external net sales, +5.4% YoY). Figures are extracted from the filing text and machine-verified against the document. Full breakdown at https://13fpro.ai/company/MLI.

How often is MLI research updated on 13F Pro?

MLI'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.

MUELLER INDUSTRIES INC(MLI)Stock Analysis

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SEC EDGAR: CIK 89439 MLI stock profile & AI dashboard →

13F Pro Quality Score

68.7/100

Rank #306 of 2,961 stocksTOP 25%

View Materials peers →

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

Revenue Growth

75.7/100

Profitability

77.9/100

Balance Sheet

96.7/100

Earnings Quality

39.1/100

Free Cash Flow

64.2/100

Institutional Flow

0.7/100

Revenue Scale

76.9/100

Dilution Risk

69.2/100

Email me the moment this company reports earnings

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Why MLI Scores 69/100

exact factor attribution · 2026-09-11

MLI's composite is driven by revenue growth and capital efficiency, held back by institutional flow and earnings quality. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Revenue growth

+5.1 pts

76th pct

Capital efficiency

+4.7 pts

97th pct

Profitability

+4.2 pts

78th pct

Scale

+4.0 pts

77th pct

Free cash flow

+2.1 pts

64th pct

Earnings growth

+1.2 pts

73th pct

Shareholder dilution

+1.0 pts

69th pct

Earnings quality

-1.1 pts

39th pct

Institutional flow

-2.5 pts

1th pct

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

MLI Stock Analysis & AI Quality Score

Data updated 2026-09-11

AI stock analysis and institutional research for MUELLER INDUSTRIES INC (MLI), a Materials sector company. 13F Pro's AI-powered ranking engine scores MLI at 68.7/100 on a 32-signal composite quality model, placing it at rank #306 of 2,961 stocks — the top 25% of the AI-ranked universe. MLI scores in the top quartile across balance sheet strength (96.7), profitability (77.9), revenue scale (76.9). Areas of concern include institutional flow (0.7) and earnings quality (39.1), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q2 2026), MUELLER INDUSTRIES INC reports quarterly revenue of $1.4B, net income of $249.7M, an operating margin of 21.7%. Top institutional holders of MLI by reported 13-F value include BlackRock, FIRST ADVISORS, FMR, based on the most recent SEC filings. MLI trades on the NYSE exchange and files with the SEC under CIK 89439. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MLI 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 MUELLER INDUSTRIES INC directly from SEC EDGAR. MUELLER INDUSTRIES INC's 13F Pro composite quality score has ranged between 56 and 77 since 2021, currently 68.7 — an improving long-term trajectory across 68 quarterly and live scoring snapshots.

✦

Fun facts about MUELLER INDUSTRIES INC

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

1
The Basics
U.S. industrial manufacturer · mid-cap · listed on the NYSE · headquartered in Tennessee.
2
The Numbers
Annual revenue in the range of $3–4 billion, with operating margins that make Wall Street smile — this is a high-margin, asset-heavy business that quietly mints cash.
3
The History
Tracing roots back to the mid-20th century, it grew aggressively through acquisitions into one of North America's dominant processors of a single, ancient metal.
4
The Secret
Its entire empire is built on copper and brass — tubing, fittings, valves, and rods — the unglamorous plumbing and HVAC guts hiding inside every building you've ever entered.
5
The Lore
It operates dozens of manufacturing facilities across the U.S., Europe, and beyond, and is considered the largest copper products manufacturer in North America — a title few people outside the trades have ever heard of.
6
The Giveaway
Its ticker is MLI, its name sounds like a German engineer, and if your house has copper pipes or brass fittings, there's a solid chance this Memphis company made them.

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What's Driving MLI's Business? Latest 10-Q Breakdown

✓ 37/37 datapoints verified

AI-extracted from MUELLER INDUSTRIES INC's 10-Q filed 2026-07-22 — Q2 FY2026 (quarter ended June 27, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

Net sales rose 25.5% to $1.43B on higher copper and brass selling prices, but gross margin fell to 27.7% from 31.0% and operating income grew only 1.9%.

Biggest Revenue Drivers

Piping Systems$935,580 thousand external net sales+27.3% YoY

Higher net selling prices in core lines, primarily copper tube, of $125.7 million, plus $62.5 million of sales recorded by Bison, acquired March 30, 2026.

Industrial Metals$349,179 thousand external net sales+31.2% YoY

Higher net selling prices of $58.9 million in brass rod and high-quality wire and cable, plus higher unit sales volume of $33.3 million.

Biggest Revenue Drivers

Total revenue: $1,427,923 thousand+25.5% YoY

Piping Systems$935,580 thousand external net sales+27.3% YoY

Higher net selling prices in core lines, primarily copper tube, of $125.7 million, plus $62.5 million of sales recorded by Bison, acquired March 30, 2026.

Within Piping Systems

Tube and fittings$794,194 thousand

Largest product line within Piping Systems; copper tube, fittings, and line sets sold to plumbing, refrigeration, and air-conditioning wholesalers.

Industrial Metals$349,179 thousand external net sales+31.2% YoY

Higher net selling prices of $58.9 million in brass rod and high-quality wire and cable, plus higher unit sales volume of $33.3 million.

Climate$143,164 thousand external net sales+5.4% YoY

Higher demand, particularly for products utilized in commercial construction, and an increase in volume and price in certain product lines.

Largest Expense Items

Cost of goods sold$1,032,577 thousand72.3% of net sales vs 69.0%

Increased primarily due to the factors noted regarding the change in net sales, chiefly the rise in raw material costs passed through to selling prices.

Selling, general, and administrative expense$67,850 thousand4.8% of net sales vs 5.9%

Higher employment costs of $1.6 million, legal and professional fees of $1.5 million, and $1.4 million of incremental Bison expenses, largely offset by other declines.

Depreciation and amortization$17,335 thousand

Consistent with the second quarter of 2025.

Corporate expenses$23,742 thousand

Unallocated general corporate expenses, up from $19,366 thousand in the prior-year quarter.

Margins: Gross margin fell to 27.7% from 31.0% a year ago, with Piping Systems down to 30.4% from 34.1% and Climate to 35.7% from 38.6% as raw material costs rose.

Watch Items from the Filing

Growth was price-led, not volume-led: $184.6 million came from higher net selling prices tied to raw material costs versus only $17.4 million from higher core unit volume.
Operating income rose just 1.9% to $310.0 million on 25.5% sales growth; the prior-year quarter included a $36.3 million tornado insurance gain.
Customs and Border Protection denied Southland's protests on April 8, 2026 and demanded approximately $5.1 million in duties and interest; the Company cannot estimate potential duty liability.
Environmental exposure: $13.7–$14.8 million estimated for Shasta mine remediation over 30 years, reserved at the low end, with Lead Refinery NPL loss range not estimable.
Balance sheet strength: $1.4 billion cash on hand, total debt of $5.2 million or 0.1% of total capitalization, and a 4.8-to-1 current ratio.

AI-extracted and verified against SEC EDGAR filing text. Not investment advice.

Read the full 10-Q on SEC EDGAR →Share on X

Revenue

Q2 2026

$1.4B

Net Income

Q2 2026

$249.7M

Free Cash Flow

Q2 2026

$190.7M

Operating Margin

Q2 2026

21.7%

ROIC

Q2 2026

34.9%

D/E Ratio

Q2 2026

0.00

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

+10.9% YoY

$4.18BFY 2025

FY22 $3.98BFY23 $3.42BFY24 $3.77BFY25 $4.18B

Net Income

+26.5% YoY

$765.2MFY 2025

FY22 $658.3MFY23 $602.9MFY24 $604.9MFY25 $765.2M

Operating Income

+24.4% YoY

$958.5MFY 2025

FY22 $877.1MFY23 $756.1MFY24 $770.4MFY25 $958.5M

EPS (Diluted)

+29.2% YoY

$3.43FY 2025

FY22 $0.73FY23 $1.32FY24 $2.65FY25 $3.43

Total Assets

+13.4% YoY

$3.73BFY 2025

FY22 $2.24BFY23 $2.76BFY24 $3.29BFY25 $3.73B

Total Debt

-100.0% YoY

$0.00FY 2025

FY22 $3.5MFY23 $981.0KFY24 $1.1MFY25 $0.00

Op. Cash Flow

+17.0% YoY

$755.4MFY 2025

FY22 $723.9MFY23 $672.8MFY24 $645.9MFY25 $755.4M

Free Cash Flow

+21.4% YoY

$686.6MFY 2025

FY22 $686.3MFY23 $618.7MFY24 $565.7MFY25 $686.6M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$4.18B +10.9%	$3.77B +10.2%	$3.42B -14.1%	$3.98B +5.7%	$3.77B +57.2%	$2.40B
Net Income	$765.2M +26.5%	$604.9M +0.3%	$602.9M -8.4%	$658.3M +40.5%	$468.5M +235.9%	$139.5M
Operating Income	$958.5M +24.4%	$770.4M +1.9%	$756.1M -13.8%	$877.1M +33.7%	$655.8M +166.8%	$245.8M
EPS (Diluted)	$3.43 +29.2%	$2.65 +100.4%	$1.32 +82.1%	$0.73 +41.3%	$0.52 +66.8%	$0.31
Total Assets	$3.73B +13.4%	$3.29B +19.3%	$2.76B +23.1%	$2.24B +29.7%	$1.73B +13.1%	$1.53B
Total Debt	$0.00 -100.0%	$1.1M +11.5%	$981.0K -72.4%	$3.5M -22.2%	$4.6M -98.9%	$410.7M
Operating Cash Flow	$755.4M +17.0%	$645.9M -4.0%	$672.8M -7.1%	$723.9M +132.3%	$311.7M +27.2%	$245.1M
Free Cash Flow	$686.6M +21.4%	$565.7M -8.6%	$618.7M -9.8%	$686.3M +145.2%	$279.9M +39.1%	$201.2M

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Available Research

13F Pro tracks comprehensive data for MUELLER INDUSTRIES 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 MLI

BlackRock, Inc.
$1.4B11,694,093 sh
FIRST TRUST ADVISORS LP
$839.9M6,832,391 sh
FMR LLC
$677.8M5,513,679 sh
VANGUARD CAPITAL MANAGEMENT LLC
$613.6M4,991,457 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$610.8M4,968,744 sh
AQR CAPITAL MANAGEMENT LLC
$578.7M4,707,473 sh
STATE STREET CORP
$437.3M3,556,929 sh
GEODE CAPITAL MANAGEMENT, LLC
$387.2M3,151,982 sh
Invesco Ltd.
$337.8M2,747,660 sh
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
$244.2M1,986,139 sh

Fund	Value	Shares
BlackRock, Inc.	$1.4B	11,694,093
FIRST TRUST ADVISORS LP	$839.9M	6,832,391
FMR LLC	$677.8M	5,513,679
VANGUARD CAPITAL MANAGEMENT LLC	$613.6M	4,991,457
VANGUARD PORTFOLIO MANAGEMENT LLC	$610.8M	4,968,744
AQR CAPITAL MANAGEMENT LLC	$578.7M	4,707,473
STATE STREET CORP	$437.3M	3,556,929
GEODE CAPITAL MANAGEMENT, LLC	$387.2M	3,151,982
Invesco Ltd.	$337.8M	2,747,660
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	$244.2M	1,986,139

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Is MLI a good stock to buy?

13F Pro's AI-powered analysis of MUELLER INDUSTRIES INC (MLI) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Materials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for MLI are available on the MLI 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. MLI is classified as a large company.

Which hedge funds own MLI?

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 MLI. 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 MUELLER INDUSTRIES INC's investment landscape.