DexCom Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

XTRA:DC4 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
10 Nov 25	Buy€867,073	Jacob Leach	Individual	18,200	€47.98
15 Aug 25	Sell€13,579	Mark Foletta	Individual	195	€69.64
15 Jul 25	Sell€593	Mark Foletta	Individual	8	€74.09

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of DC4?
Owner Type	Number of Shares	Ownership Percentage
Public Companies	0	0%
Private Companies	21	0.00000544%
State or Government	517,599	0.134%
Individual Insiders	1,410,575	0.366%
General Public	9,044,889	2.34%
Institutions	374,899,893	97.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 57.48% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
12.7%	The Vanguard Group, Inc.	49,074,378	€2.7b	-0.77%	0.03%
10.3%	BlackRock, Inc.	39,833,187	€2.2b	2.64%	0.03%
4.69%	State Street Global Advisors, Inc.	18,093,554	€983.7m	7.35%	0.03%
4.03%	Baillie Gifford & Co.	15,552,587	€845.6m	-2.08%	0.46%
2.85%	Geode Capital Management, LLC	11,006,183	€598.4m	0.39%	0.03%
2.57%	UBS Asset Management AG	9,922,837	€539.5m	-4.94%	0.05%
2.23%	AllianceBernstein L.P.	8,624,132	€468.9m	1,960%	0.15%
1.89%	Norges Bank Investment Management	7,282,743	€396.0m	40.3%	0.03%
1.5%	Jennison Associates LLC	5,789,944	€314.8m	-42.6%	0.2%
1.3%	JP Morgan Asset Management	5,030,114	€273.5m	22%	0.03%
1.28%	Amundi Asset Management SAS	4,948,965	€269.1m	-1.81%	0.05%
1.21%	Invesco Capital Management LLC	4,656,394	€253.2m	14.9%	0.07%
1.17%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	4,522,516	€245.9m	-26.5%	0.06%
1.08%	Deutsche Asset & Wealth Management	4,170,853	€226.8m	56.2%	0.06%
1.02%	D. E. Shaw & Co., L.P.	3,938,568	€214.1m	78.7%	0.19%
0.88%	Northern Trust Global Investments	3,376,421	€183.6m	-9.27%	0.02%
0.83%	Morgan Stanley	3,202,018	€174.1m	36.2%	0.02%
0.81%	CIBC Private Wealth Advisors, Inc.	3,128,114	€170.1m	7.58%	0.32%
0.8%	Charles Schwab Investment Management, Inc.	3,079,311	€167.4m	0%	0.02%
0.8%	Wellington Management Group LLP	3,073,575	€167.1m	3,780%	0.03%
0.78%	AQR Capital Management, LLC	3,011,441	€163.7m	609%	0.1%
0.75%	Bank of America Corporation	2,904,191	€157.9m	-5.89%	0.04%
0.68%	Legal & General Investment Management Limited	2,605,282	€141.7m	-1.15%	0.03%
0.65%	Squarepoint OPS LLC	2,527,448	€137.4m	133%	0.31%
0.64%	Raymond James Financial, Inc.	2,452,212	€133.3m	-26.6%	0.04%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/04/19 12:40
End of Day Share Price	2026/04/17 00:00
Earnings	2025/12/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

DexCom, Inc. is covered by 51 analysts. 25 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Jeffrey Johnson	Baird
Travis Steed	Barclays
Matthew Miksic	Barclays