STLD on Nasdaq

Steel Dynamics

Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons5

American materials company

Steel Dynamics, Inc. (SDI) is an American steel producer based in Fort Wayne, Indiana.3 From Wikipedia, CC BY-SA 4.0

$240.86 down 2.06 (0.85%)Price as of Oct 15, 2026 at 19:45 UTC

Last updated Oct 16, 2026.

Overview

1993Founded1

Compare with U.S. Steel, Ternium or Tenaris, or pick any stock.

  • TickerSTLD on Nasdaq1
  • Industryiron and steel industry1
  • HeadquartersFort Wayne1
  • Websitewww.steeldynamics.com
  • Incorporated inIN6
  • Business address7575 W Jefferson Blvd, Fort Wayne, In 468046
  • Filer categoryLarge accelerated filer6

Steel Dynamics, Inc. (SDI) is an American steel producer based in Fort Wayne, Indiana. With a production capacity of 13 million tons of steel, the company is the third largest producer of carbon steel products in the United States. It is among the most profitable American steel companies in terms of profit margins and operating margin per ton. Based on its 2021 revenue, the company ranked 196th on the 2022 edition of the Fortune 500.3

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2025

13.2%Gross margin8
8.1%Operating margin8
6.5%Net margin8
3.6%Revenue growth, 20258
13.2%Return on equity8
0.47×Debt to equity8
$501.5MFree cash flow8

What sells

Revenue by product, business segment and region, as the company reports it to the SEC.

Regions

United States brought in 94% of the revenue Steel Dynamics broke down this way in fiscal 2025.

  1. United States$17.0B894%up 6% from 2024
  2. Outside the United States$1.2B86%down 21% from 2024
Regions by year
Regions202320242025
United States$17.0B$16.1B$17.0B
Outside the United States$1.8B$1.5B$1.2B

Where the money goes

Where each dollar of revenue went, fiscal 2025

  • Cost of revenue87¢$15.8B
  • Selling, general and admin4¢$765.3M
  • Other costs1¢$135.6M
  • Income tax2¢$305.7M
  • Profit7¢$1.2B

Out of $18.2B in revenue.8

Where each dollar of operating cash went, fiscal 2025

  • Capital spending44¢$948.0M
  • Dividends paid14¢$291.2M
  • Share buybacks42¢$900.9M

Out of $1.4B of cash from operations. Spending exceeded cash from operations; the rest came from savings or borrowing.8

Financial statements

Revenue91011128$18.2B in 2025+74% since 2019
0$10.0B$20.0B$30.0B2019: $10.5B$10.5B20192020: $9.6B$9.6B2020−8%2021: $18.4B$18.4B2021+92%2022: $22.3B$22.3B2022+21%2023: $18.8B$18.8B2023−16%2024: $17.5B$17.5B2024−7%2025: $18.2B$18.2B2025+4%
Gross profit91011128$2.4B in 2025+56% since 2019
0$2.0B$4.0B$6.0B$8.0B2019: $1.5B$1.5B20192020: $1.4B$1.4B2020−6%2021: $5.4B$5.4B2021+274%2022: $6.1B$6.1B2022+14%2023: $4.0B$4.0B2023−34%2024: $2.8B$2.8B2024−31%2025: $2.4B$2.4B2025−15%
Operating income91011128$1.5B in 2025+50% since 2019
0$2.0B$4.0B$6.0B2019: $986.9M$986.9M20192020: $847.1M$847.1M2020−14%2021: $4.3B$4.3B2021+408%2022: $5.1B$5.1B2022+18%2023: $3.2B$3.2B2023−38%2024: $1.9B$1.9B2024−38%2025: $1.5B$1.5B2025−24%
Net income91011128$1.2B in 2025+75% since 2019
0$1.0B$2.0B$3.0B$4.0B2019: $677.9M$677.9M20192020: $570.8M$570.8M2020−16%2021: $3.2B$3.2B2021+463%2022: $3.9B$3.9B2022+20%2023: $2.5B$2.5B2023−37%2024: $1.5B$1.5B2024−37%2025: $1.2B$1.2B2025−23%

Every line of the income statement in the latest annual report, as filed.8

Period ending2025-12-312024-12-312023-12-31
Total net sales$18.2B$17.5B$18.8B
Costs of goods sold$15.8B$14.7B$14.7B
Gross profit$2.4B$2.8B$4.0B
Selling, general and administrative expenses$765.3M$664.1M$588.6M
Profit sharing$123.0M$164.9M$272.0M
Amortization of intangible assets$27.9M$30.5M$34.0M
Operating income$1.5B$1.9B$3.2B
Interest expense, net of capitalized interest$70.0M$56.3M$76.5M
Other (income) expense, net-$87.0M-$96.2M-$144.2M
Income before income taxes$1.5B$2.0B$3.2B
Income tax expense$305.7M$432.9M$751.6M
Net income$1.2B$1.5B$2.5B
Net income attributable to noncontrolling interests-$1.7M-$12.8M-$16.4M
Net income attributable to Steel Dynamics, Inc.$1.2B$1.5B$2.5B
Basic earnings per share attributable to Steel Dynamics, Inc. stockholders (in dollars per share)$8.02$9.89$14.72
Weighted average common shares outstanding (in shares)147.8M shares155.4M shares166.6M shares
Diluted earnings per share attributable to Steel Dynamics, Inc. stockholders, including the effect of assumed conversions when dilutive (in dollars per share)$7.99$9.84$14.64
Weighted average common shares and share equivalents outstanding (in shares)148.4M shares156.1M shares167.4M shares
Dividends declared per share (in dollars per share)$2.00$1.84$1.70

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The story

Steel Dynamics was founded in 1993 by three former executives of Nucor with $370 million in funding. It began production at its $275 million Butler, Indiana, flat roll mill in 1996 and reported its first annual profit in 1997.

During the early 2000s recession, the company offered many incentive programs for employees to cut costs and improve standards and outperformed most other steel manufacturers.

In 2007, the company acquired The Techs, three hot-dip galvanization plants in Pittsburgh that coat flat-rolled steel, and OmniSource Corporation, a scrap metal processor and trader.

In 2014, the company acquired Severstal Columbus for $1.625 billion. The acquisition increased the company's production capacity to 11 million tons.

In 2016, the company acquired Vulcan Threaded Products for $126 million.

In 2016, the company began construction of a $100 million facility in Columbus, Mississippi.

In 2017, the company began a $28 million expansion of its Roanoke Bar Division.

In 2017, the company began a $75 million expansion of its Structural and Rail Division.

Read the full text

In 2018, the company acquired the former Kentucky Electric Steel plant in Coalton, Kentucky.

in 2020, production for the Sinton, TX, facility commenced. It is a 2,400-acre complex which is supposed to also house several other businesses who work with SDI in other cities. 3,000 jobs should be created when complete.

From Wikipedia’s article on Steel Dynamics, shared under CC BY-SA 4.0.7

Products and brands

  • steel

Listed on Wikidata.1

Former names

  • STEEL DYNAMICS INCNov 20, 1996 to Oct 9, 20266

Timeline

  1. Nov 22, 1996Went public Listed on NASDAQ1
  2. 1993Founded Founded1

Recent filings

  1. Oct 9, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  2. Oct 9, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  3. Oct 9, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  4. Oct 9, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  5. Oct 9, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  6. Oct 9, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  7. Sep 18, 20268-K
  8. Aug 18, 20268-K/A
  9. Aug 14, 20268-K
  10. Aug 14, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  11. Aug 6, 2026SCHEDULE 13G
  12. Aug 4, 20268-K
  13. Jul 28, 202610-Q
  14. Jul 28, 20264 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
  15. Jul 21, 20268-K

Every filing from the last three years, summarized. The full record is on SEC EDGAR.2