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View all 978 holding institutions

Across its top 20 institutional holders, DXCM's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 10/100, avg. turnover score 43/100).

Notable Holders

DXCM ranks #497 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

978 institutions disclose a position in DXCM, but none treat it as a major bet — even Castle Hook Partners LP, its most concentrated holder, allocates just 1.2% of its own portfolio to it.

Arrowstreet Capital, Limited Partnership has added to its DXCM position for two straight quarters, increasing it by $378.6M to reach $462.9M today.

JPMorgan has trimmed its DXCM position for two straight quarters, cutting it by $185.1M while still holding $232.7M.

DXCM is down 0.5% today, but institutions show net buying of $4.6B this quarter — a divergence between today's price move and the underlying institutional flow.

Company Fundamentals

DXCM posted net income of $999.7M over the trailing twelve months, and currently trades at a P/E of 36.4.

Profitable — net income of $999.7M over the trailing twelve months
Revenue grew 15.5% year over year
Net income improved year over year, from $571.5M to $999.7M
Generated $1.4B in positive operating cash flow
Current ratio of 1.88x — enough short-term assets to cover short-term liabilities
Liabilities run 1.31x equity — within a conventional range

Price Chart

DXCM Quarterly 13F Institutional Trade Shifts

Recent Activity

+$4.7B

Total Buy Value

$2.2B

Total Sell Value

New buy118

Trim354

Add401

Sold out107

519

Net Buyers

461

Net Sellers

Top Movers

DXCM

Q2 2026

Top 5 Institutional Movers

Invesco

+$678.3M

Add

California State Teachers Retirement System

+$544.8M

Add

Norges Bank

+$462.6M

New buy

Arrowstreet Capital Partnership

+$303.1M

Add

Vanguard GroupAggregated

+$264.2M

Add

Data by AlphaSMO • Not financial advice.

Smart Money Convergence

DXCM does not currently show a 13F-and-insider convergence signal — its insider confidence score is 0/100, below the threshold this product uses to flag combined buying pressure.

13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Recent DXCM Insider Buying & Selling Activity (Form 4)

90d confidence

unique buyers

—

buy value

data as of 2026-09-02

12-Month Buy/Sell Activity

Mar 25

Jul 25

Nov 25

Jul 26

BuySell

Action	Insider	Title	Date	Value
Sell	Sadie Stern	EVP Chief People & Culture Off	2026-08-27	$227K
Sell	Kevin R Sayer	Executive Chair	2026-08-20	$1.73M
Sell	Kevin R Sayer	Executive Chair	2026-08-20	$667K
Sell	Kevin R Sayer	Executive Chair	2026-08-20	$9K
Sell	Michael Jon Brown	EVP Chief Legal Compliance Off	2026-08-14	$156K
Sell	Bridgette P Heller	Director	2026-08-12	$89K
Sell	Mark G Foletta	Director	2026-08-03	$171K
Sell	Mark G Foletta	Director	2026-07-31	$160K

View all insider trades →

Congress Trading (STOCK Act)

Action	Member	Trade Date	Amount
Sell (Full)	Tina Smith Senate	2026-05-07	$100K–$250K
Sell (Partial)	Tina Smith Senate	2026-04-29	$100K–$250K
Buy	John Boozman Senate	2026-01-26	$1K–$15K

View all congress trades →

Form 144 Pre-Sale Notices

Filings (90d)

$7.74M

Total Est. Value

97K shares

Planned Shares

Last Filed 2026-08-27

Filer	Title/Relationship	Filing Date	Planned Shares	Est. Value
SADIE STERN	Officer	2026-08-27	3K shares	$227K
KEVIN R SAYER	Officer, Director	2026-08-20	27K shares	$2.41M
MICHAEL BROWN	Officer	2026-08-14	2K shares	$156K
Heller Bridgette P	Director	2026-08-12	1K shares	$89K
FOLETTA MARK G	Director	2026-08-03	2K shares	$171K
FOLETTA MARK G	Director	2026-07-31	2K shares	$160K
KEVIN R SAYER	Officer, Director	2026-07-20	27K shares	$2.04M
MICHAEL BROWN	Officer	2026-07-15	2K shares	$127K
KEVIN R SAYER	Officer, Director	2026-07-06	27K shares	$1.93M
Brown Michael Jon	Officer	2026-06-15	2K shares	$128K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

Filings (14d)

Data as of 2026-07-30

2026-07-30

DexCom issued a press release on July 30, 2026, announcing its financial results for the quarter ended June 30, 2026, plus certain other information, and disclosed it under Item 2.02 of an 8-K. The press release is attached as Exhibit 99.1, but it is "furnished" rather than "filed" with the SEC, so it does not carry the same legal liability as a formal filing. The excerpt doesn't include the actual revenue or profit figures, so you'd need the press release itself for the numbers.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

CUSIP

252131107, 252131957

FAQ

Who are the top institutional investors holding DEXCOM INC (DXCM)?

Major stakeholders currently include BlackRock, Inc. ($2.6B), Vanguard Capital Management LLC ($1.7B), Vanguard Portfolio Management LLC ($1.3B). Based on the latest 13F filings, there are a total of 978 tracked investment funds and institutions maintaining positions in DXCM.

What is the overall institutional sentiment toward DXCM recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $4.6B, driven by 519 managers accumulating shares while 461 reduced their exposure.

Which institutions have been selling or reducing their DXCM positions?

In the latest period, 354 funds trimmed their holdings, and 107 managers completely exited their positions. The aggregate reported sell value was $2.2B.

Are there any notable investors adding DXCM to their portfolios?

Yes, buying activity remains notable. 118 institutions opened new positions in {ticker}, and 401 existing holders added to their shares. The total reported buy value for the quarter amounted to $4.7B.

* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.

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News

Articles

Data as of 2026-09-01

MarketWatch2026-09-01

DexCom Inc. stock outperforms competitors despite losses on the day

Stock Titan2026-09-01

Dexcom’s update will stream live around 8 a.m. on Sept. 9

FinancialContent2026-09-01

3 Reasons DXCM Has Explosive Upside Potential

TradingView2026-09-01

3 Reasons DXCM Has Explosive Upside Potential

AD HOC NEWS2026-08-31

Dexcom stock holds steady as CGM growth supports recent earnings

Developer Access

Access DXCM's institutional ownership data programmatically:

REST API

curl https://alphasmo.com/api/v1/market/stock/DXCM

CLI

npx alphasmo stocks get DXCM

Full API & MCP documentation →