When did WY join the S&P 500?

Weyerhaeuser joined the S&P 500 index on 1979-10-01.

What sector is WY in?

WY is in the Real Estate sector, Timber REITs industry.

WY — Weyerhaeuser

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

Timber REITs · Real Estate

S&P 500 Timeline

1979-10-01Joined S&P 500

Weyerhaeuser Company is engaged in the production, distribution and sale of forest products. It operates through the following segments: Timberlands, Real Estate, Energy and Natural Resources (RE&ENR) and Wood Products. The Timberlands segment manages global private commercial timberlands, engaged in the growing and harvesting of timber, construction, pulp, paper and other wood products. The RE&ENR segment provides a premium on timber value by identifying and monetizing higher and better land use and capturing the full value of surface and subsurface assets. The Wood Products segment provides lumber, structural panels, engineered wood products and complementary building products for residential, multifamily, industrial and light commercial applications.

Key Facts

Status	Active
Sector	Real Estate
Industry	Timber REITs
Joined	1979-10-01
Tenure	46 yrs

Industry Peers

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Sector Peers

AMT ARE AVB BXP CBRE CCI CPT CSGP DLR DOC

Institutional Holdings (13F)

902 institutions hold WY, totaling 820.6M shares ($19.5B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	93.9M	$2.3B
2	First Eagle Investment Management, LLC	92.6M	$2.3B
3	BlackRock, Inc.	67.4M	$1.6B
4	VANGUARD PORTFOLIO MANAGEMENT LLC	61.1M	$1.5B
5	WELLINGTON MANAGEMENT GROUP LLP	38.1M	$932M
6	STATE STREET CORP	33.2M	$811M
7	BARCLAYS PLC	24.9M	$764M
8	NORGES BANK	23.2M	$679M
9	MORGAN STANLEY	22.0M	$534M
10	GEODE CAPITAL MANAGEMENT, LLC	20.7M	$505M

View all holders →

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