13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Surgical & Medical Instruments & ApparatusBellwetherCompounder
DXCM

DEXCOM INC

1,007 institutions still hold DEXCOM INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 252131107·Surgical & Medical Instruments & Apparatus·1,007 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 0.4%
vs prior quarter
13F value held
$13.6B
56.0% inst. owned
of float
Holders
1,007
+49 QoQ
filers reporting
Activity
+24 / −105
+900 added · −925 reduced
this quarter
Concentration
18.04%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

1,007 institutions reported DXCM in Q1 2026. BlackRock, Inc. leads at 18.0% of the visible book. +49 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$2.4B39.0M0.04%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.6B25.0M0.04%Q1 202603
Vanguard Portfolio Management
CIK 0002100121
$1.2B19.2M0.06%Q1 202604
STATE STREET CORP
CIK 0000093751
$1.1B17.9M0.04%Q1 202605
BAILLIE GIFFORD & CO
CIK 0001088875
$980M15.6M1.00%Q1 202606
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$858M12.9M0.28%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$773M12.3M0.05%Q1 202608
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$612M9.7M0.13%Q1 202609
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$586M9.3M0.11%Q1 202610
Amundi
CIK 0001330387
$398M6.3M0.11%Q1 202611
JENNISON ASSOCIATES LLC
CIK 0000053417
$384M5.8M0.23%Q4 202512
JPMORGAN CHASE & CO
CIK 0000019617
$371M6.0M0.02%Q1 202613
Invesco Ltd.
CIK 0000914208
$351M5.6M0.05%Q1 202614
UBS Group AG
CIK 0001610520
$335M5.3M0.05%Q1 202615
MORGAN STANLEY
CIK 0000895421
$317M5.0M0.02%Q1 202616
D. E. Shaw & Co., Inc.
CIK 0001009207
$275M4.1M0.15%Q4 202517
AMERIPRISE FINANCIAL INC
CIK 0000820027
$266M4.2M0.06%Q1 202618
CIBC Bancorp USA Inc.
CIK 0001711924
$265M4.2M0.36%Q1 202619
GOLDMAN SACHS GROUP INC
CIK 0000886982
$230M3.7M0.03%Q1 202620
NORTHERN TRUST CORP
CIK 0000073124· Index
$215M3.4M0.03%Q1 2026
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