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DEXCOM INC (DXCM)

Name: DEXCOM INC (DXCM) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001093557 · EDGAR filings · Updated 2026-07-21

DEXCOM INC (DXCM) has reported institutional ownership of 94.2%, with 951 institutional managers holding positions valued at $22.8B per the latest 13F reporting period.

Institutional ownership

94.2%

Institutional managers

951

Reported 13F value

$22.8B

Insider activity

69 trans.

−$3.11M net selling

Latest updates

2026-07-21 — Insider transaction reported (Form 4)
2026-07-20 — Notice of proposed sale filed (Form 144)
2026-07-16 — Insider transaction reported (Form 4)
2026-07-15 — Notice of proposed sale filed (Form 144)
2026-07-07 — Insider transaction reported (Form 4)
2026-07-06 — Notice of proposed sale filed (Form 144)
2026-06-17 — Insider transaction reported (Form 4)
2026-06-17 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, DEXCOM INC has 951 institutional holders and institutional ownership of 94.2%.

#	Institution	Reported value	% of tracked total
1	BlackRock, Inc.	$2.45B	10.7%
2	VANGUARD CAPITAL MANAGEMENT LLC	$1.57B	6.9%
3	VANGUARD PORTFOLIO MANAGEMENT LLC	$1.21B	5.3%
4	STATE STREET CORP	$1.13B	4.9%
5	BAILLIE GIFFORD & CO	$979.7M	4.3%
6	ALLIANCEBERNSTEIN L.P.	$857.7M	3.8%
7	GEODE CAPITAL MANAGEMENT, LLC	$772.9M	3.4%
8	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	$612.1M	2.7%
9	WELLINGTON MANAGEMENT GROUP LLP	$585.7M	2.6%
10	Amundi	$397.7M	1.7%

Full holder history and quarter-over-quarter changes are available inside the app.

Insider activity

Insiders reported 69 transactions (2 buys, 22 sells) across 18 reporting insiders, with a net reported value of −$3.11M.

Quarterly net insider value, as reported in Form 4 filings.

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See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-21.