When did TER join the S&P 500?

Teradyne joined the S&P 500 index on 2020-09-21.

What sector is TER in?

TER is in the Information Technology sector, Semiconductor Materials & Equipment industry.

TER — Teradyne

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

Semiconductor Materials & Equipment · Information Technology

Key Facts

Status	Active
Sector	Information Technology
Industry	Semiconductor Materials & Equipment
Joined	2020-09-21
Tenure	5 yrs

Teradyne develops and sells automated test systems. It operates through the following business segments: Semiconductor Test, System Test, Robotics, Wireless Test, and Corporate. The Semiconductor Test segment designs, manufactures, and sells semiconductor test products and services. The System Test segment sells products and services for defense/aerospace, storage test, and production board test business units. The Robotics segment includes operations related to the design, manufacture, and marketing of collaborative robot arms, autonomous mobile robots, and advanced robot control software. The Wireless Test segment involves wireless test products and services. The company also engages in other automated test systems and robotics products.

Industry Peers

AMAT KLAC LRCX Q

Sector Peers

AAPL ACN ADBE ADI ADSK AKAM AMAT AMD ANET APH

S&P 500 Timeline

2020-09-21Joined S&P 500

Institutional Holdings (13F)

1,224 institutions hold TER, totaling 191.5M shares ($47.8B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	20.4M	$6.0B
2	BlackRock, Inc.	16.3M	$4.8B
3	BARCLAYS PLC	24.4M	$3.0B
4	VANGUARD PORTFOLIO MANAGEMENT LLC	8.6M	$2.6B
5	STATE STREET CORP	7.0M	$2.1B
6	MORGAN STANLEY	7.0M	$1.4B
7	GEODE CAPITAL MANAGEMENT, LLC	4.4M	$1.3B
8	FMR LLC	3.6M	$1.1B
9	GOLDMAN SACHS GROUP INC	3.5M	$856M
10	AMERIPRISE FINANCIAL INC	2.8M	$843M

View all holders →

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