When did DXCM join the S&P 500?

Dexcom joined the S&P 500 index on 2020-05-12.

What sector is DXCM in?

DXCM is in the Health Care sector, Health Care Equipment industry.

DXCM — Dexcom

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

Health Care Equipment · Health Care

S&P 500 Timeline

2020-05-12Joined S&P 500

Dexcom designs and commercializes continuous glucose monitoring (CGM) systems for diabetes patients. CGM systems serve as an alternative to traditional blood glucose meters. The company is developing its CGM system for integration with insulin pumps manufactured by Insulet and Tandem, enabling automated insulin delivery. Dexcom's CGM products are available through medical device distributors and retail pharmacies.

Key Facts

Status	Active
Sector	Health Care
Industry	Health Care Equipment
Joined	2020-05-12
Tenure	6 yrs

Industry Peers

ABT BAX BDX BSX EW GEHC IDXX ISRG MDT PODD

Sector Peers

A ABBV ABT ALGN AMGN BAX BDX BIIB BMY BSX

Institutional Holdings (13F)

982 institutions hold DXCM, totaling 2.03B shares ($31.2B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	50.0M	$3.1B
2	BlackRock, Inc.	153.5M	$2.6B
3	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	306.2M	$2.2B
4	Employees Provident Fund Board	17.4M	$1.4B
5	BARCLAYS PLC	30.6M	$1.3B
6	VANGUARD PORTFOLIO MANAGEMENT LLC	19.2M	$1.2B
7	STATE STREET CORP	44.6M	$1.2B
8	BAILLIE GIFFORD & CO	15.6M	$980M
9	MORGAN STANLEY	19.9M	$951M
10	ALLIANCEBERNSTEIN L.P.	12.9M	$858M

View all holders →

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