When did AWK join the S&P 500?

American Water Works joined the S&P 500 index on 2016-03-04.

What sector is AWK in?

AWK is in the Utilities sector, Water Utilities industry.

AWK — American Water Works

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

Water Utilities · Utilities

Key Facts

Status	Active
Sector	Utilities
Industry	Water Utilities
Joined	2016-03-04
Tenure	10 yrs

American Water Works Company, Inc. provides water and wastewater services. It operates through the following segments: Regulated Businesses, Market-Based Businesses, and Other. The Regulated Businesses segment provides water and wastewater services to customers. The Market-Based Businesses segment includes the Military Services Group, which provides services to various military facilities under long-term contracts with the U.S. government. The Other segment refers to corporate costs not allocated to operating segments, elimination of intersegment transactions, fair value adjustments, and acquisition-related income and deductions not allocated to operating segments for performance evaluation and resource allocation purposes.

Industry Peers

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Sector Peers

AEE AEP AES ATO CEG CMS CNP D DTE DUK

S&P 500 Timeline

2016-03-04Joined S&P 500

Institutional Holdings (13F)

3 institutions hold AWK, totaling 36K shares ($5113) · As of 2026Q1

Rank	Institution	Shares	Value
1	Capital Innovations LLC	36K	$4901
2	Raiffeisen Bank International AG	98	$166
3	HUNTINGTON NATIONAL BANK	1	$46

View all holders →

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