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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 2024
the date the book describes
Filed
5 Nov 2026
latest of these filings; the earliest 1 May 2024
Managers listing it
29
at least, of 95 tracked, among listed positions
Comparable managers
93
filed both Q4 2023 and Q1 2024; 22 listed it in both
Shares listed
77,237,350
combined, among listed positions
Reported value
$10.7bn
combined, at the quarter end

Among the 93 comparable managers: 13 buyers (opened or added shares) and 18 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 2024

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2023, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

29 of 29 holders

ActionFiling
Baillie Gifford & Co15,688,396$2.2bn1.69%Trimmed-831,9171 May 2024 (the filing on sec.gov)
Capital Research Global Investors13,435,892$1.9bn0.42%Trimmed-1,860,14014 May 2024 (the filing on sec.gov)
Fidelity (FMR LLC)9,346,948$1.3bn0.09%Added+1,234,2115 Nov 2026 (the filing on sec.gov)
Capital World Investors8,072,130$1.1bn0.19%Trimmed-1,206,55514 May 2024 (the filing on sec.gov)
Artisan Partners LP5,769,119$800m1.16%Trimmed-131,18913 May 2024 (the filing on sec.gov)
Invesco Ltd5,574,181$773m0.17%Added+2,030,86514 May 2024 (the filing on sec.gov)
Wellington Management Group LLP4,770,893$662m0.12%Added+1,007,93115 May 2024 (the filing on sec.gov)
T. Rowe Price Associates Inc2,947,440$409m0.05%Trimmed-2,552,45615 May 2024 (the filing on sec.gov)
MFS Investment Management2,086,014$289m0.09%Added+218,22914 May 2024 (the filing on sec.gov)
Holocene Advisors LP1,636,124$227m0.83%Trimmed-36,79015 May 2024 (the filing on sec.gov)
Tiger Global Management LLC1,152,806$160m0.87%Held015 May 2024 (the filing on sec.gov)
Neuberger Berman Group LLC1,129,632$157m0.13%Trimmed-638,21814 Nov 2024 (the filing on sec.gov)
Jane Street Group LLC931,837$129munder 0.1%Addedn.a.16 May 2024 (the filing on sec.gov)
Renaissance Technologies LLC847,672$118m0.18%Addedn.a.13 May 2024 (the filing on sec.gov)
Millennium Management LLC654,596$91munder 0.1%Trimmed-372,56315 May 2024 (the filing on sec.gov)
Janus Henderson Group Ltd559,518$78munder 0.1%Trimmed-14,99915 May 2024 (the filing on sec.gov)
D. E. Shaw & Co.530,951$74m0.06%Addedn.a.15 May 2024 (the filing on sec.gov)
Bridgewater Associates LP370,864$51m0.26%Trimmed-62,29114 May 2024 (the filing on sec.gov)
Balyasny Asset Management LLC280,568$39m0.07%Addedn.a.13 May 2024 (the filing on sec.gov)
Marshall Wace LLP264,000$37m0.06%Trimmed-456,39315 May 2024 (the filing on sec.gov)
Man Group PLC262,774$36m0.09%Added+30,50815 May 2024 (the filing on sec.gov)
Woodline Partners LP222,794$31m0.28%Trimmed-9,59415 May 2024 (the filing on sec.gov)
AQR Capital Management LLC203,674$28munder 0.1%Addedn.a.15 May 2024 (the filing on sec.gov)
ExodusPoint Capital Management LP158,928$22m0.17%Addedn.a.14 May 2024 (the filing on sec.gov)
Walleye Capital LLC152,078$21munder 0.1%Addedn.a.15 May 2024 (the filing on sec.gov)
Page 1 of 2

Largest increases and reductions, by shares

Q4 2023 to Q1 2024, 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 (3)

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

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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.

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