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Steel Dynamics, Inc. (STLD)
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The market capitalization for Steel Dynamics, Inc. (STLD) is $36.04 Billion, making it a Large Cap company. Market cap is calculated by multiplying the current stock price by the total number of shares outstanding.

Market Capitalization

$36.04B

$36.04 Billion

Calculation

Stock Price
$249.91
Shares Outstanding
144.21M
Market Cap
$36.04B

Market Cap = Price × Shares Outstanding

Size Classification

Large Cap

$10B - $1T

Companies with market capitalization between $10 billion and $1 trillion.

Market Cap Size Scale

Micro Cap

<$250M

Small Cap

$250M-$2B

Mid Cap

$2B-$10B

Large Cap

$10B-$1T

Mega Cap

>$1T

STLD Market Cap: $36.04 Billion

Related Valuation Metrics

Key Statistics

Market Cap$36.04 Billion
Stock Price$249.91
Shares Outstanding144.21M
Size CategoryLarge Cap
P/E Ratio26.76
P/B Ratio3.95
Data as of Saturday, June 20, 2026

About Steel Dynamics, Inc.

Steel Dynamics, Inc. is a prominent American steel manufacturer and metal recycling enterprise, conducting its operations through three distinct business divisions. The Steel Operations segment is responsible for producing a broad range of steel products, including hot, cold, and coated rolled steel, various structural shapes like beams, channels, and angles, flat and reinforcing bars, and a diverse selection of rail and engineered steel bar products. This segment also provides specialized processing services for both bar products (such as turning, polishing, and heat treating) and specialty items (including cutting, welding, and galvanizing). Its offerings cater to numerous industries, such as construction, automotive, manufacturing, transportation, heavy and agricultural equipment, and pipe and tube production. Sales are channeled directly to end-users, steel fabricators, and service centers. The Metals Recycling Operations division focuses on acquiring, processing, and reselling ferrous (e.g., heavy melting steel, shredded scrap, cast iron) and nonferrous (e.g., aluminum, copper, stainless steel) scrap metals, transforming them into reusable materials. This division further offers supplementary services including transportation logistics, marketing, brokerage, and scrap management. The Steel Fabrication Operations segment manufactures crucial components for commercial building construction, such as steel joists, girders, trusses, and steel deck products. Established in 1993 and headquartered in Fort Wayne, Indiana, the company also engages in exporting its products internationally.

Fort Wayne, IN
13,000 employees
Basic Materials / Steel
Sector
Basic Materials
Industry
Steel
CEO
Mark D. Millett