When did EFX join the S&P 500?

Equifax joined the S&P 500 index on 1997-06-19.

What sector is EFX in?

EFX is in the Industrials sector, Research & Consulting Services industry.

EFX — Equifax

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

Research & Consulting Services · Industrials

Equifax Inc. provides information solutions and human resources business process outsourcing services. The company operates through the following segments: U.S. Information Solutions, Workforce Solutions, and International. The U.S. Information Solutions segment includes consumer and commercial information services, mortgage origination information, financial marketing services, and identity management. The Workforce Solutions segment covers employment, income, and Social Security number verification services, as well as complementary wage-based transaction and employment tax management services. The International segment provides information, technology, and services

Industry Peers

VRSK

Sector Peers

ADP ALLE AME AOS AXON BA BLDR BR CARR CAT

Key Facts

Status	Active
Sector	Industrials
Industry	Research & Consulting Services
Joined	1997-06-19
Tenure	29 yrs

S&P 500 Timeline

1997-06-19Joined S&P 500

Institutional Holdings (13F)

876 institutions hold EFX, totaling 145.0M shares ($25.6B) · As of 2026Q1

Rank	Institution	Shares	Value
1	MORGAN STANLEY	12.9M	$2.8B
2	VANGUARD CAPITAL MANAGEMENT LLC	15.7M	$2.8B
3	BlackRock, Inc.	9.5M	$1.7B
4	HARRIS ASSOCIATES L P	7.5M	$1.4B
5	VANGUARD PORTFOLIO MANAGEMENT LLC	5.3M	$949M
6	STATE STREET CORP	5.0M	$905M
7	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	4.7M	$856M
8	BARCLAYS PLC	3.6M	$845M
9	Soroban Capital Partners LP	4.2M	$754M
10	Capital International Investors	3.7M	$662M

View all holders →

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