When did APH join the S&P 500?

Amphenol joined the S&P 500 index on 2008-09-30.

What sector is APH in?

APH is in the Information Technology sector, Electronic Components industry.

APH — Amphenol

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

Electronic Components · Information Technology

Key Facts

Status	Active
Sector	Information Technology
Industry	Electronic Components
Joined	2008-09-30
Tenure	17 yrs

Amphenol Corporation designs, manufactures, and markets electrical, electronic, and fiber optic connectors, interconnect systems, antennas, sensors and sensor-based products, and specialty cables. The company operates through three segments: Harsh Environment Solutions, Communications Solutions, and Interconnect and Sensor Systems. The Harsh Environment Solutions segment produces and sells a wide range of

Industry Peers

COHR GLW

Sector Peers

AAPL ACN ADBE ADI ADSK AKAM AMAT AMD ANET APP

S&P 500 Timeline

2008-09-30Joined S&P 500

Institutional Holdings (13F)

2,117 institutions hold APH, totaling 1.39B shares ($164.5B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	159.8M	$20.2B
2	BlackRock, Inc.	102.0M	$12.9B
3	FMR LLC	79.5M	$10.0B
4	STATE STREET CORP	57.4M	$7.3B
5	MORGAN STANLEY	53.8M	$6.9B
6	JPMORGAN CHASE & CO	49.3M	$5.9B
7	BARCLAYS PLC	64.2M	$5.5B
8	VANGUARD PORTFOLIO MANAGEMENT LLC	35.9M	$4.5B
9	Capital International Investors	35.3M	$4.5B
10	GEODE CAPITAL MANAGEMENT, LLC	31.3M	$3.9B

View all holders →

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