When did STLD join the S&P 500?

Steel Dynamics joined the S&P 500 index on 2022-12-22.

What sector is STLD in?

STLD is in the Materials sector, Steel industry.

STLD — Steel Dynamics

Name: STLD Institutional Holdings (13F) — 2026Q1
Creator: SEC EDGAR
License: https://www.sec.gov/data

Steel · Materials

Key Facts

Status	Active
Sector	Materials
Industry	Steel
Joined	2022-12-22
Tenure	3 yrs

Steel Dynamics, Inc. manufactures steel products and recycles metals. It operates through the following segments: Steel Operations, Metal Recycling Operations, and Steel Fabrication Operations. The Steel Operations segment includes flat roll products, including hot rolled, cold rolled and coated steel; long products, including structural steel beams, piling, and standard and premium rail; and steel finishing services, such as turning, polishing, straightening, chamfering, threading and precision sawing. The Metal Recycling Operations segment provides ferrous and non-ferrous scrap metal recycling, scrap management, transportation and brokerage products and services. The Steel Fabrication Operations segment provides steel joists, girders and steel deck, including specialty deck.

Industry Peers

NUE

Sector Peers

ALB AMCR APD AVY BALL CF CRH CTVA DD DOW

S&P 500 Timeline

2022-12-22Joined S&P 500

Institutional Holdings (13F)

938 institutions hold STLD, totaling 148.4M shares ($24.5B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	18.0M	$3.2B
2	BlackRock, Inc.	12.4M	$2.2B
3	MORGAN STANLEY	9.9M	$1.6B
4	STATE STREET CORP	7.5M	$1.4B
5	VANGUARD PORTFOLIO MANAGEMENT LLC	6.8M	$1.2B
6	FMR LLC	4.4M	$794M
7	GEODE CAPITAL MANAGEMENT, LLC	3.8M	$688M
8	Capital Research Global Investors	3.6M	$654M
9	BARCLAYS PLC	4.9M	$616M
10	HSBC HOLDINGS PLC	3.1M	$538M

View all holders →

Data source: Wikipedia · CC BY-SA 4.0 · SEC EDGAR 13F · Updated 2026-07-10