DexCom, Inc.· DXCM

🇺🇸 US · LargeSP500NASDAQ

Healthcare Medical - Devices Website

Price: $89.35
Day: +1.61%
Mkt Cap: $33.72B
52W Range: $54.11 – $92.59
Volume: 14.52M
Beta: 1.42

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 3.2 / 5 (Neutral), from 3 of 3 components
Institutions Q2 2026: 1,023 institutions hold; 522 added, 347 reduced
Insiders Q3 2026: no purchases, 15 sales ($8.4M)

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DexCom, Inc.

DXCM|Healthcare|Medical - Devices

Current price: $89

Smart Money

Dimension 5 of 5

Insider selling pace · Q3 2026

2.7x

vs own 6-quarter average

Seller breadth · Q3 2026

7 sellers

vs 4.2 avg per quarter

Institutional net breadth · Q2 2026

+185

646 adding vs 461 reducing

Institutional ownership · Q2 2026

N/A

overlapping 13F filings

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

BLACKROCK, INC.

38.2M

-1.5%

VANGUARD CAPITAL MANAGEMENT LLC

25.2M

+1.1%

VANGUARD PORTFOLIO MANAGEMENT LLC

19.7M

+2.6%

STATE STREET CORP

18.4M

+2.9%

INVESCO LTD.

15.3M

+90.0%

BAILLIE GIFFORD & CO

14.8M

-4.8%

ETF & Fund Activity, Q2 2026

How the covering funds split between buying, holding and selling

149

236

127

149 buying236 unchanged127 selling

512 funds held DXCM in Q2 2026, holding 167.8M shares between them, up 1.0% on the quarter.

Largest fund holders

SPDR SERIES TRUST1.6M sh

GLENMEDE FUND INC305.5K sh

NATIONWIDE MUTUAL FUNDS64.9K sh

Notable Insider Transactions, Q3 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · Jan 29

SAYER KEVIN R

$2.9M

Sale · Mar 12

SAYER KEVIN R

$2.3M

Sale · Jul 20

SAYER KEVIN R

$2.0M

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated September 20, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

DXCM Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.2/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

-35

Institutional Flow

50% weight

+52

Fund Flow

10% weight

Overall Smart Money sentiment of 3.2/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 19, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for DXCM

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Bearish Signal

Elevated insider selling in Q3 2026

15 sales totaling $8.4M (104.7K shares)

Share volume is elevated at 2.7x the historical average

7 different insiders sold this quarter

Buying seen in 1 of 15 quarters

2.7x

Selling pace

vs own 6-qtr average

Elevated

3.67%

Stake sold

of active insiders' holdings

7 sellers

Seller breadth

vs 4.2 avg per quarter

Q4 2025

Last insider purchase

buying in 1 of 16 quarters

Notable Recent Transactions, DXCM

Top 8 highest-value insider trades from the last 8 quarters

SAYER KEVIN R

CEO

Sell

33,359 shares at $86.91

≈9.5% of their stake at the time

Jan 29, 2025$2.90M

SAYER KEVIN R

CEO

Sell

32,498 shares at $70.38

≈8.0% of their stake at the time

Mar 12, 2025$2.29M

SAYER KEVIN R

Executive Chair

Sell

26,756 shares at $76.32

≈7.5% of their stake at the time

Jul 20, 2026$2.04M

SAYER KEVIN R

Executive Chair

Sell

26,759 shares at $72.00

≈6.5% of their stake at the time

May 21, 2026$1.93M

SAYER KEVIN R

Executive Chair

Sell

26,756 shares at $72.00

≈7.0% of their stake at the time

Jul 6, 2026$1.93M

SAYER KEVIN R

Executive Chair

Sell

19,308 shares at $89.71

≈5.9% of their stake at the time

Aug 20, 2026$1.73M

Leach Jacob Steven

COO

Sell

14,076 shares at $70.38

≈4.3% of their stake at the time

Mar 12, 2025$990.67K

Brown Michael Jon

General Counsel

Sell

13,000 shares at $70.38

≈11.0% of their stake at the time

Mar 12, 2025$914.94K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for DXCM

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

13F filings cover more than 100% of shares this quarter (overlapping reports), so ownership and share-flow figures are unreliable

Slight accumulation: 646 adding vs 461 reducing

+185

Net breadth

646 adding vs 461 reducing

Accumulating

1.40

Add / reduce ratio

in Q2 2026

+10

New − closed

124 initiated, 114 exited

6 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+646 growing-461 shrinkingNet: +185

124

522

347

114

New (124)

Increased (522)

Reduced (347)

Closed (114)

Top Institutional Holders, DXCM

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

38.2M

$2.6B

Ownership

9.97%

-1.5%

VANGUARD CAPITAL MANAGEMENT LLC

25.2M

$1.7B

Ownership

6.57%

+1.1%

VANGUARD PORTFOLIO MANAGEMENT LLC

19.7M

$1.3B

Ownership

5.12%

+2.6%

STATE STREET CORP

18.4M

$1.2B

Ownership

4.79%

+2.9%

INVESCO LTD.

15.3M

$1.0B

Ownership

3.98%

+90.0%

BAILLIE GIFFORD & CO

14.8M

$996.9M

Ownership

3.86%

-4.8%

GEODE CAPITAL MANAGEMENT, LLC

12.4M

$834.2M

Ownership

3.24%

+1.0%

ALLIANCEBERNSTEIN L.P.

11.7M

$734.3M

Ownership

3.05%

-9.2%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 512 ETFs and mutual funds reporting

149 buying127 sellingNet: +22

149

236

127

Buying (149)

Unchanged (236)

Selling (127)

In total, funds bought 8.6M shares and sold 7.0M this quarter. Each fund counts once in the bar above, whatever the size of its move.

Neutral

Mixed fund activity in Q2 2026

512 ETFs and mutual funds reporting

149 buying vs 127 selling (balanced)

Top Fund Holders, DXCM

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

1.6M

Weight

8.05%

Jul 31, 2026No change

GLENMEDE FUND INC

305.5K

Weight

18.60%

Jul 31, 2026Increased

NATIONWIDE MUTUAL FUNDS

64.9K

Weight

0.01%

Jul 31, 2026Decreased

Northern Lights Fund Trust

14.0K

Weight

0.03%

Jul 31, 2026No change

PFS FUNDS

9.2K

Weight

47.20%

Jul 31, 2026No change

LORD ABBETT SERIES FUND INC

7.2K

Weight

0.02%

Jun 30, 2026No change

VARIABLE INSURANCE PRODUCTS FUND

7.0K

Weight

0.04%

Jun 30, 2026No change

DEUTSCHE DWS INVESTMENTS VIT FUNDS

5.4K

Weight

0.99%

Jun 30, 2026Increased

DexCom, Inc.· DXCM

Holdings Analysis

Insider Trading Activity

1.3Transaction History220Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings165Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History220Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings165Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights