When did O join the S&P 500?

Realty Income Corporation joined the S&P 500 index on 2015-04-07.

O is in the Real Estate sector, Retail REITs industry.

O — Realty Income Corporation

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

Retail REITs · Real Estate

Realty Income owns approximately 15,500 properties, predominantly freestanding, single-tenant, net-leased retail properties. Its properties span 49 states and Puerto Rico, leased to 250 tenants across 47 industries. Recent acquisitions have expanded into industrial, gaming, office, manufacturing, and distribution properties, which collectively represent approximately 20% of revenue.

Industry Peers

FRT KIM REG SPG

Sector Peers

AMT ARE AVB BXP CBRE CCI CPT CSGP DLR DOC

Key Facts

Status	Active
Sector	Real Estate
Industry	Retail REITs
Joined	2015-04-07
Tenure	11 yrs

S&P 500 Timeline

2015-04-07Joined S&P 500

Institutional Holdings (13F)

1,439 institutions hold O, totaling 853.5M shares ($50.8B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	120.2M	$7.4B
2	BlackRock, Inc.	107.9M	$6.6B
3	VANGUARD PORTFOLIO MANAGEMENT LLC	81.2M	$5.0B
4	STATE STREET CORP	63.8M	$3.9B
5	MORGAN STANLEY	48.6M	$2.9B
6	GEODE CAPITAL MANAGEMENT, LLC	30.3M	$1.9B
7	BARCLAYS PLC	20.7M	$1.2B
8	BANK OF AMERICA CORP /DE/	17.3M	$1.1B
9	PARNASSUS INVESTMENTS, LLC	14.1M	$865M
10	JPMORGAN CHASE & CO	13.8M	$846M

View all holders →

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