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DXCM in the 13F filings

Dexcom Inc · CUSIP 252131107

Sector · Medical devices and instrumentsTheme · Healthcare: biopharma and medtech· L3VLUP-definedTheme · Surgical, medical and electromedical devices
Quarter
Q3 2026 · early filersQ2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023
Quarter end
31 Mar 2025
the date the book describes
Filed
21 Jul 2025
latest of these filings; the earliest 2 May 2025
Managers listing it
24
at least, of 95 tracked, among listed positions
Comparable managers
95
filed both Q4 2024 and Q1 2025; 22 listed it in both
Shares listed
53,535,993
combined, among listed positions
Reported value
$3.7bn
combined, at the quarter end

Among the 95 comparable managers: 8 buyers (opened or added shares) and 19 sellers (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.

Managers listing DXCM in Q1 2025

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2024, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

24 of 24 holders

ActionFiling
Baillie Gifford & Co14,179,830$968m0.85%Trimmed-432,9627 May 2025 (the filing on sec.gov)
Capital Research Global Investors12,036,698$822m0.18%Trimmed-2,335,05312 May 2025 (the filing on sec.gov)
Invesco Ltd5,254,854$359m0.07%Added+256,38912 May 2025 (the filing on sec.gov)
MFS Investment Management3,194,829$218m0.07%Added+2,015,9712 May 2025 (the filing on sec.gov)
D. E. Shaw & Co.3,081,769$210m0.19%Trimmed-448,36415 May 2025 (the filing on sec.gov)
Capital World Investors3,073,258$210munder 0.1%Trimmed-769,36212 May 2025 (the filing on sec.gov)
Janus Henderson Group Ltd2,533,008$172m0.09%Added+2,011,19615 May 2025 (the filing on sec.gov)
Citadel Advisors LLC2,127,423$145munder 0.1%Trimmed-2,134,01815 May 2025 (the filing on sec.gov)
Artisan Partners LP1,814,176$124m0.20%Trimmed-39,38914 May 2025 (the filing on sec.gov)
Marshall Wace LLP1,059,581$72m0.09%Added+520,28615 May 2025 (the filing on sec.gov)
Holocene Advisors LP816,063$56m0.16%Trimmed-774,00715 May 2025 (the filing on sec.gov)
AQR Capital Management LLC709,033$47munder 0.1%Added+100,82415 May 2025 (the filing on sec.gov)
Renaissance Technologies LLC630,774$43m0.07%Trimmed-259,10014 May 2025 (the filing on sec.gov)
Two Sigma Investments LP616,589$42m0.09%Trimmed-246,43615 May 2025 (the filing on sec.gov)
Two Sigma Advisers LP599,076$41m0.09%Trimmed-644,70015 May 2025 (the filing on sec.gov)
Woodline Partners LP475,730$32m0.21%Trimmed-338,69215 May 2025 (the filing on sec.gov)
Point72 Asset Management LP386,904$26m0.06%Trimmed-1,211,95121 Jul 2025 (the filing on sec.gov)
Man Group PLC294,130$20m0.05%Trimmed-10,28515 May 2025 (the filing on sec.gov)
Walleye Capital LLC251,472$17m0.08%Addedn.a.14 May 2025 (the filing on sec.gov)
Acadian Asset Management LLC188,628$13munder 0.1%Addedn.a.21 May 2025 (the filing on sec.gov)
Bridgewater Associates LP71,296$4.9munder 0.1%Trimmed-26,64214 May 2025 (the filing on sec.gov)
GAMCO Investors Inc52,000$3.6munder 0.1%Held014 May 2025 (the filing on sec.gov)
Quantbot Technologies LP47,390$3.2m0.10%Added+27,38813 May 2025 (the filing on sec.gov)
Winton Group Ltd41,482$2.8m0.17%Trimmed-42915 May 2025 (the filing on sec.gov)

Largest increases and reductions, by shares

Q4 2024 to Q1 2025, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (0)

No new position among listed positions.

Exited (4)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
26 in Q3 2024 to 17 in Q2 2026

Tracked managers listing it, at least.

0102030402014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
DXCM by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20134$58mn.a.n.a.
Q3 20134$227mn.a.n.a.
Q4 20135$273mn.a.n.a.
Q1 20145$286mn.a.n.a.
Q2 20145$375mn.a.n.a.
Q3 20145$530mn.a.n.a.
Q4 20148$731mn.a.n.a.
Q1 20159$986mn.a.n.a.
Q2 201512$1.7bnn.a.n.a.
Q3 201516$1.6bnn.a.n.a.
Q4 201515$1.7bnn.a.n.a.
Q1 201613$1.7bnn.a.n.a.
Q2 201612$2.2bnn.a.n.a.
Q3 201613$2.9bnn.a.n.a.
Q4 201612$1.8bnn.a.n.a.
Q1 201711$2.6bnn.a.n.a.
Q2 201713$2.6bnn.a.n.a.
Q3 201713$2.1bnn.a.n.a.
Q4 201715$2.6bnn.a.n.a.
Q1 201817$3.4bnn.a.n.a.
Q2 201817$3.5bnn.a.n.a.
Q3 201826$4.2bnn.a.n.a.
Q4 201825$2.7bnn.a.n.a.
Q1 201921$2.8bnn.a.n.a.
Q2 201917$4.0bnn.a.n.a.
Q3 201918$4.3bnn.a.n.a.
Q4 201927$6.3bnn.a.n.a.
Q1 202032$7.8bnn.a.n.a.
Q2 202029$10.3bnn.a.n.a.
Q3 202025$9.9bnn.a.n.a.
Q4 202024$8.8bnn.a.n.a.
Q1 202122$8.4bnn.a.n.a.
Q2 202117$9.4bnn.a.n.a.
Q3 202122$12.0bnn.a.n.a.
Q4 202133$11.1bnn.a.n.a.
Q1 202225$9.9bnn.a.n.a.
Q2 202229$5.6bnn.a.n.a.
Q3 202224$6.0bnn.a.n.a.
Q4 202226$8.3bnn.a.n.a.
Q1 202333$8.9bnn.a.n.a.
Q2 202328$8.9bnn.a.n.a.
Q3 202332$6.9bnn.a.n.a.
Q4 202328$10.0bn1119
Q1 202429$10.7bn1318
Q2 202430$8.8bn1810
Q3 202426$4.7bn1612
Q4 202431$5.1bn1713
Q1 202524$3.7bn819
Q2 202520$4.5bn154
Q3 202529$4.1bn1910
Q4 202528$4.6bn2121
Q1 202625$4.6bn1718
Q2 202617$4.6bn1817

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

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How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own DXCM, latest filings →Back to the 13F Explorer →