When did PSA join the S&P 500?

Public Storage joined the S&P 500 index on 2005-08-19.

What sector is PSA in?

PSA is in the Real Estate sector, Self-Storage REITs industry.

PSA — Public Storage

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

Self-Storage REITs · Real Estate

S&P 500 Timeline

2005-08-19Joined S&P 500

Public Storage is a real estate investment trust (REIT) that acquires, develops, owns, and operates self-storage facilities. It operates through three segments: Self-Storage Operations, which reflects rental of all self-storage facilities; Ancillary Operations, which handles merchandise sales and reinsurance of insurance policies covering losses to goods stored by self-storage tenants—activities incidental to the primary self-storage rental business; and Other Items, which includes general costs, administrative costs, and investment costs.

Key Facts

Status	Active
Sector	Real Estate
Industry	Self-Storage REITs
Joined	2005-08-19
Tenure	20 yrs

Industry Peers

EXR

Sector Peers

AMT ARE AVB BXP CBRE CCI CPT CSGP DLR DOC

Institutional Holdings (13F)

1,099 institutions hold PSA, totaling 170.3M shares ($42.8B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	20.5M	$5.6B
2	BlackRock, Inc.	16.7M	$4.5B
3	VANGUARD PORTFOLIO MANAGEMENT LLC	13.5M	$3.7B
4	STATE STREET CORP	10.2M	$2.8B
5	Capital International Investors	6.4M	$1.7B
6	BARCLAYS PLC	5.3M	$1.6B
7	MORGAN STANLEY	5.1M	$1.4B
8	GEODE CAPITAL MANAGEMENT, LLC	4.2M	$1.1B
9	JPMORGAN CHASE & CO	3.8M	$1.0B
10	FMR LLC	3.6M	$981M

View all holders →

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