DexCom, Inc.
US ˙ NasdaqGS ˙ US2521311074

SecurityDXCM / DexCom, Inc.
InstitutionAxa S.a.
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Axa S.a. closes position in DXCM / DexCom, Inc.

On November 14, 2025 - Axa S.a. filed a 13F-HR form disclosing ownership of 0 shares of DexCom, Inc. (US:DXCM) valued at $0 USD as of September 30, 2025. The entity filed a previous 13F-HR on August 14, 2025 disclosing 2,167,155 shares of DexCom, Inc.. The current value of the position is $0 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2025-11-14 2025-09-30 13F DEXCOM COM 252131107 0 -100.00 0
2025-08-14 2025-06-30 13F DEXCOM COM 252131107 2,167,155 -105,623 -4.65 189,171 21.88 0.3775
2025-05-15 2025-03-31 13F DEXCOM COM 252131107 2,272,778 15,629 0.69 155,208 -11.58 0.5098
2025-02-14 2024-12-31 13F DEXCOM COM 252131107 2,257,149 -76,332 -3.27 175,538 12.21 0.5332
2024-11-14 2024-09-30 13F DEXCOM COM 252131107 2,333,481 -46,780 -1.97 156,437 -42.03 0.4632
2025-02-25 2024-06-30 13F/A-1 DEXCOM COM 252131107 2,380,261 422,480 21.58 269,874 -0.62 0.8028
2024-08-14 2024-06-30 13F DEXCOM COM 252131107 2,380,261 422,480 269,874 0.8028
2024-05-15 2024-03-31 13F DEXCOM COM 252131107 1,957,781 17,102 0.88 271,544 12.76 0.8140
2024-07-16 2023-12-31 13F/A-1 DEXCOM COM 252131107 1,940,679 -84,863 -4.19 240,819 27.43 0.7765
2024-02-14 2023-12-31 13F DEXCOM COM 252131107 1,940,679 -84,863 240,819 0.4716
2023-11-14 2023-09-30 13F DEXCOM COM 252131107 2,025,542 -119,385 -5.57 188,983 -31.44 0.6643
2023-08-14 2023-06-30 13F DEXCOM COM 252131107 2,144,927 254,036 13.43 275,645 25.47 0.9160
2023-05-15 2023-03-31 13F DEXCOM COM 252131107 1,890,891 3,072 0.16 219,684 2.76 0.7556
2023-02-14 2022-12-31 13F DEXCOM COM 252131107 1,887,819 30,958 1.67 213,777 42.95 0.7714
2023-02-14 2022-09-30 13F/A-1 Dexcom COM 252131107 1,856,861 -229,094 -10.98 149,552 -3.80 0.5883
2022-11-14 2022-09-30 13F Dexcom COM 252131107 1,856,861 -229,094 149,552 0.5884
2023-02-14 2022-06-30 13F/A-1 Dexcom COM 252131107 2,085,955 1,551,180 290.06 155,466 -43.18 0.5761
2022-08-15 2022-06-30 13F Dexcom COM 252131107 2,085,955 1,551,180 155,467 0.5762
2023-02-14 2022-03-31 13F/A-1 Dexcom COM 252131107 534,775 -51,454 -8.78 273,591 -13.08 0.7776
2022-05-13 2022-03-31 13F Dexcom COM 252131107 534,775 -51,454 273,590 0.7776
2022-02-14 2021-12-31 13F Dexcom COM 252131107 586,229 44,915 8.30 314,775 6.34 0.8046
2021-11-15 2021-09-30 13F Dexcom COM 252131107 541,314 -4,286 -0.79 296,022 27.06 0.8308
2021-08-13 2021-06-30 13F/A-1 Dexcom COM 252131107 545,600 1,641 0.30 232,972 19.17 0.6569
2021-08-13 2021-06-30 13F Dexcom COM 252131107 545,600 1,641 232,972 0.3933
2021-05-14 2021-03-31 13F Dexcom COM 252131107 543,959 -5,433 -0.99 195,494 -3.76 0.5953
2021-02-12 2020-12-31 13F DexCom COM 252131107 549,392 46,419 9.23 203,122 -2.03 0.6375
2021-02-11 2020-09-30 13F/A-1 DexCom COM 252131107 502,973 -23,004 -4.37 207,340 -2.76 0.7494
2020-11-13 2020-09-30 13F DexCom COM 252131107 502,973 -23,004 207,340 413,883.5473
2021-02-12 2020-06-30 13F/A-1 DEXCOM COM 252131107 525,977 -418 -0.08 213,232 50.44 0.8401
2020-08-14 2020-06-30 13F DEXCOM COM 252131107 525,977 -418 213,232 840,911.5091
2021-02-12 2020-03-31 13F/A-2 DEXCOM COM 252131107 526,395 -24,501 -4.45 141,742 17.63 0.7085
2020-06-15 2020-03-31 13F/A-1 DEXCOM COM 252131107 526,395 0 141,742 0.7089
2020-05-15 2020-03-31 13F DEXCOM COM 252131107 526,395 -24,501 141,742 394,186.9399
2021-02-12 2019-12-31 13F/A-1 DEXCOM COM 252131107 550,896 -266,401 -32.60 120,503 -1.21 0.4900
2020-02-18 2019-12-31 13F DEXCOM COM 252131107 550,896 -266,401 120,503 490,647.0146
2021-02-12 2019-09-30 13F/A-1 DEXCOM COM 252131107 817,297 -38,326 -4.48 121,973 -4.86 0.4854
2019-11-14 2019-09-30 13F DEXCOM COM 252131107 817,297 -38,326 121,973 486,070.1701
2021-02-12 2019-06-30 13F/A-1 DEXCOM COM 252131107 855,623 -100,656 -10.53 128,206 12.57 0.5004
2019-08-13 2019-06-30 13F DEXCOM COM 252131107 855,623 -100,656 128,206 502,770.0076
2019-05-14 2019-03-31 13F DEXCOM COM 252131107 956,279 -86,052 -8.26 113,893 -8.79 0.4451
2019-02-13 2018-12-31 13F DEXCOM COM 252131107 1,042,331 125,729 13.72 124,871 -4.76 0.5443
2018-11-08 2018-09-30 13F DEXCOM COM 252131107 916,602 -624,606 -40.53 131,110 -10.43 0.4809
2018-08-13 2018-06-30 13F DEXCOM COM 252131107 1,541,208 -396,928 -20.48 146,384 1.85 0.5611
2018-05-14 2018-03-31 13F DEXCOM COM 252131107 1,938,136 26,930 1.41 143,732 31.04 0.5736
2018-02-13 2017-12-31 13F DEXCOM COM 252131107 1,911,206 592,275 44.91 109,684 69.98 0.4307
2017-12-01 2017-09-30 13F/A-1 DEXCOM COM 252131107 1,318,931 124,920 10.46 64,529 -26.12 0.2780
2017-11-13 2017-09-30 13F DEXCOM COM 252131107 1,318,931 124,920 64,529
2017-08-10 2017-06-30 13F DEXCOM COM 252131107 1,194,011 341,487 40.06 87,342 20.92 0.3965
2017-05-11 2017-03-31 13F DEXCOM COM 252131107 852,524 2,057 0.24 72,234 42.27 0.3261
2017-02-13 2016-12-31 13F DEXCOM COM 252131107 850,467 406,079 91.38 50,773 30.34 0.2382
2016-11-10 2016-09-30 13F DEXCOM COM 252131107 444,388 -120,674 -21.36 38,955 -13.10 0.1711
2016-08-11 2016-06-30 13F DEXCOM COM 252131107 565,062 40,341 7.69 44,826 25.80 0.1997
2016-05-13 2016-03-31 13F DEXCOM COM 252131107 524,721 12,791 2.50 35,634 -15.01 0.1598
2016-02-12 2015-12-31 13F DEXCOM COM 252131107 511,930 -126,439 -19.81 41,927 -23.51 0.1832
2015-11-13 2015-09-30 13F DEXCOM COM 252131107 638,369 392,202 159.32 54,811 178.40 0.2247
2015-08-13 2015-06-30 13F DEXCOM COM 252131107 246,167 -43,015 -14.87 19,688 9.21 0.0788
2015-05-13 2015-03-31 13F DEXCOM COM 252131107 289,182 114,282 65.34 18,028 87.25 0.0743
2015-02-13 2014-12-31 13F DEXCOM COM 252131107 174,900 -422 -0.24 9,628 37.33 0.0386
2014-11-13 2014-09-30 13F DEXCOM COM 252131107 175,322 642 0.37 7,011 1.20 0.0300
2014-08-13 2014-06-30 13F DEXCOM COM 252131107 174,680 -3,241 -1.82 6,928 -5.86 0.0288
2014-05-13 2014-03-31 13F DEXCOM COM 252131107 177,921 -105,011 -37.12 7,359 -26.55 0.0320
2014-02-13 2013-12-31 13F DEXCOM COM 252131107 282,932 -96,806 -25.49 10,019 -6.54 0.0449
2013-11-13 2013-09-30 13F DEXCOM COM 252131107 379,738 3,165 0.84 10,720 26.80 0.0528
2013-08-12 2013-06-30 13F DEXCOM COM 252131107 376,573 376,573 8,454 0.0449
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.