When did TDY join the S&P 500?

Teledyne joined the S&P 500 index on 2020-06-22.

What sector is TDY in?

TDY is in the Information Technology sector, Electronic Equipment & Instruments industry.

TDY — Teledyne

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

Electronic Equipment & Instruments · Information Technology

Key Facts

Status	Active
Sector	Information Technology
Industry	Electronic Equipment & Instruments
Joined	2020-06-22
Tenure	6 yrs

Teledyne Technologies Inc. provides information sensing, analysis, and distribution technologies for industrial growth markets requiring advanced technology and high reliability. The company operates through four segments: Digital Imaging, Instrumentation, Aerospace and Defense Electronics, and Engineering Systems. The Digital Imaging segment (largest revenue source) offers high-performance sensors, cameras, and systems for visible, infrared, and X-ray spectra, serving industrial, government, and medical markets, as well as micro-electro-mechanical systems (MEMS) and high-performance, high-reliability semiconductors including analog-to-digital and digital-to-analog converters. Geographically, the company operates in the United States, Europe, Asia, and other regions.

Industry Peers

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Sector Peers

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S&P 500 Timeline

2020-06-22Joined S&P 500

Institutional Holdings (13F)

844 institutions hold TDY, totaling 52.8M shares ($28.9B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	6.1M	$3.7B
2	BlackRock, Inc.	4.1M	$2.5B
3	JANUS HENDERSON GROUP PLC	3.1M	$1.9B
4	VANGUARD PORTFOLIO MANAGEMENT LLC	2.4M	$1.4B
5	STATE STREET CORP	2.2M	$1.3B
6	FIL Ltd	1.6M	$976M
7	Dodge & Cox	1.6M	$971M
8	Aristotle Capital Management, LLC	1.6M	$967M
9	GEODE CAPITAL MANAGEMENT, LLC	1.3M	$792M
10	JPMORGAN CHASE & CO	1.3M	$742M

View all holders →

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