When did CNP join the S&P 500?

CenterPoint Energy joined the S&P 500 index on 1985-07-31.

What sector is CNP in?

CNP is in the Utilities sector, Multi-Utilities industry.

CNP — CenterPoint Energy

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

Multi-Utilities · Utilities

Key Facts

Status	Active
Sector	Utilities
Industry	Multi-Utilities
Joined	1985-07-31
Tenure	40 yrs

CenterPoint Energy is a holding company engaged in electricity generation and distribution. It operates through the following segments: CenterPoint Energy, Houston Electric and CERC. The CenterPoint Energy segment includes electricity transmission and distribution services in the Texas Gulf Coast region and primarily in southwestern Indiana, as well as generation and wholesale electricity operations in the MISO region. The Houston Electric segment includes electricity transmission services for transmission service customers in the ERCOT region, and distribution services for sales representatives in the Texas Gulf Coast region. The CERC segment includes restructuring, including natural gas sales, transportation and distribution to residential, commercial, industrial and institutional customers in Indiana, Louisiana, Minnesota, Mississippi, Ohio and Texas, as well as permanent pipeline connections interconnected with various interstate and intrastate pipeline companies through CEIP.

Industry Peers

AEE CMS D DTE ED NEE NI PCG PNW SRE

Sector Peers

AEE AEP AES ATO AWK CEG CMS D DTE DUK

S&P 500 Timeline

1985-07-31Joined S&P 500

Institutional Holdings (13F)

844 institutions hold CNP, totaling 1.77B shares ($29.9B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	85.0M	$3.7B
2	Capital Research Global Investors	72.3M	$3.1B
3	BlackRock, Inc.	73.6M	$2.5B
4	STATE STREET CORP	57.8M	$1.6B
5	Capital International Investors	36.1M	$1.6B
6	VANGUARD PORTFOLIO MANAGEMENT LLC	33.8M	$1.5B
7	MORGAN STANLEY	59.3M	$1.1B
8	GEODE CAPITAL MANAGEMENT, LLC	17.1M	$736M
9	FMR LLC	21.9M	$590M
10	BARCLAYS PLC	36.3M	$572M

View all holders →

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