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DexCom
DXCM

910 hedge funds and large institutions have $24.5B invested in DexCom in 2025 Q3 according to their latest regulatory filings, with 111 funds opening new positions, 337 increasing their positions, 344 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.34% less ownership

Funds ownership: 93.37% → 93.03% (-0.34%)

2% less repeat investments, than reductions

Existing positions increased: 337 | Existing positions reduced: 344

3% less funds holding

Funds holding: 939 → 910 (-29)

11% less call options, than puts

Call options by funds: $480M | Put options by funds: $539M

16% less first-time investments, than exits

New positions opened: 111 | Existing positions closed: 132

23% less capital invested

Capital invested by funds: $31.9B → $24.5B (-$7.41B)

25% less funds holding in top 10

Funds holding in top 10: 8 → 6 (-2)

Holders
910
Holders Change
-29
Holders Change %
-3.09%
% of All Funds
11.94%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.08%
New
111
Increased
337
Reduced
344
Closed
132
Calls
$480M
Puts
$539M
Net Calls
-$58.5M
Net Calls Change
-$29.9M

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
+$428M
2
Millennium Management
Millennium Management
New York
+$252M
3
Holocene Advisors
Holocene Advisors
New York
+$193M
4
CIBC Private Wealth Group
CIBC Private Wealth Group
Georgia
+$182M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$177M

Top Sellers

1
Sands Capital Management
Sands Capital Management
Virginia
-$397M
2
Capital Research Global Investors
Capital Research Global Investors
California
-$240M
3
Artisan Partners
Artisan Partners
Wisconsin
-$220M
4
Axa
Axa
France
-$189M
5
Marshall Wace
Marshall Wace
United Kingdom
-$167M
Name Holding Trade Value Shares
Change 		Change in
Stake
AW
851
Avion Wealth
Texas
$2K -$3.4K -43 -54%
PCM
852
Penserra Capital Management
California
$2K – – –
CCM
853
Cloud Capital Management
Washington
$2K +$2.61K +33 New
VWM
854
Vermillion Wealth Management
Minnesota
$1.95K +$2.29K +29 New
DPW
855
DiNuzzo Private Wealth
Pennsylvania
$1.81K +$475 +6 +33%
NMG
856
New Millennium Group
Utah
$1.61K -$7.91K -100 -81%
PWMG
857
Prestige Wealth Management Group
New Jersey
$1.61K +$1.42K +18 +300%
WA
858
Westfuller Advisors
New York
$1.57K +$1.82K +23 New
ANBT
859
American National Bank & Trust
Texas
$1.55K – – –
DWM
860
Dogwood Wealth Management
Kansas
$1.41K -$3.8K -48 -70%
NL
861
NVWM LLC
Pennsylvania
$1.41K -$791 -10 -32%
PWA
862
Principia Wealth Advisory
Texas
$1.41K +$79 +1 +5%
AWM
863
Activest Wealth Management
Florida
$1.35K -$1.58K -20 -50%
CAC
864
Core Alternative Capital
Georgia
$1.35K -$158 -2 -9%
HWP
865
Highline Wealth Partners
California
$1.35K – – –
RCM
866
Richardson Capital Management
Wisconsin
$1.35K – – –
TC
867
Truvestments Capital
Florida
$1.35K – – –
AT
868
Avalon Trust
New Mexico
$1.21K +$1.42K +18 New
FWM
869
FSA Wealth Management
Massachusetts
$1.21K – – –
KG
870
Kilter Group
New York
$1.14K -$1.19K -15 -47%
TIM
871
Tortoise Investment Management
New York
$1.08K – – –
PG
872
Proffitt & Goodson
Tennessee
$1.08K +$1.27K +16 New
BHWM
873
Bay Harbor Wealth Management
Maryland
$1.08K +$396 +5 +45%
OWP
874
ORG Wealth Partners
Texas
$1.01K – – –
RBC
875
Roble Belko & Company
Pennsylvania
$1K – – –
33 34
35
36 37

DXCM Hedge Fund Activity: Q3 2025 in Review

910 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in DexCom (DXCM) for Q3 2025, worth a combined $24.5B — down 23% from $31.9B a quarter earlier.

Sellers outnumbered buyers: 132 funds closed out of DXCM and 111 opened new positions — a net loss of 21 holders — while 344 trimmed existing stakes and 337 added.

The largest buyer was Citadel Advisors, adding an estimated $428M. The largest seller was Sands Capital Management, cutting an estimated $397M.

  • 910 institutional investors held DexCom (DXCM) as of Q3 2025, down from 939 in Q2 2025.
  • Funds reported $24.5B of DexCom stock for Q3 2025, down 23% quarter-over-quarter.
  • 111 funds opened new DexCom positions in Q3 2025 and 132 closed out, a net change of -21 holders.
  • The largest DexCom buyer in Q3 2025 was Citadel Advisors, an estimated $428M added.
  • The largest DexCom seller in Q3 2025 was Sands Capital Management, an estimated $397M sold.

Based on aggregated 13F filings for Q3 2025.