DexCom, Inc.
MX ˙ BMV ˙ US2521311074
SecurityMX:DXCM / DexCom, Inc.
InstitutionRehmann Capital Advisory Group
Latest Disclosed Ownership4,854 shares
Latest Disclosed Value $ 304,831
Rehmann Capital Advisory Group reports 31.90% increase in ownership of DXCM / DexCom, Inc.

On May 15, 2026 - Rehmann Capital Advisory Group filed a 13F-HR form disclosing ownership of 4,854 shares of DexCom, Inc. (MX:DXCM) valued at $304,831 USD as of March 31, 2026. The entity filed a previous 13F-HR on March 4, 2026 disclosing 3,680 shares of DexCom, Inc.. This represents a change in shares of 31.90% during the quarter.

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)
2026-05-15 2026-03-31 13F DEXCOM COM 252131107 4,854 1,174 31.90 305 24.59 0.0159
2026-03-04 2025-12-31 13F DEXCOM COM 252131107 3,680 3,680 245 0.0127
2025-11-13 2025-09-30 13F DEXCOM COM 252131107 0 -2,437 -100.00 0 -100.00
2025-07-30 2025-06-30 13F DEXCOM COM 252131107 2,437 2,437 213 0.0129
2024-11-18 2024-09-30 13F DEXCOM COM 252131107 0 -2,388 -100.00 0 -100.00
2024-08-12 2024-06-30 13F DEXCOM COM 252131107 2,388 7 0.29 271 -18.18 0.0194
2024-05-03 2024-03-31 13F DEXCOM COM 252131107 2,381 -99 -3.99 330 7.49 0.0246
2024-02-13 2023-12-31 13F DEXCOM COM 252131107 2,480 -76 -2.97 308 28.99 0.0255
2023-11-14 2023-09-30 13F DEXCOM COM 252131107 2,556 -113 -4.23 238 -30.41 0.0222
2023-08-23 2023-06-30 13F/A-1 DEXCOMINC COM 252131107 2,669 -556 -17.24 343 -8.56 0.0308
2023-08-15 2023-06-30 13F DEXCOM COM 252131107 3,225 0 375 0.0352
2023-05-12 2023-03-31 13F DEXCOM COM 252131107 3,225 -172 -5.06 375 -2.60 0.0352
2023-02-10 2022-12-31 13F DEXCOM COM 252131107 3,397 64 1.92 385 43.28 0.0394
2022-11-14 2022-09-30 13F DEXCOM COM 252131107 3,333 119 3.70 268 12.13 0.0298
2022-08-12 2022-06-30 13F DEXCOM COM 252131107 3,214 2,355 274.16 240 -45.56 0.0264
2022-06-03 2022-03-31 13F DEXCOM COM 252131107 859 5 0.59 439 -4.15 0.0417
2022-03-02 2021-12-31 13F DEXCOM DXCM 252131107 854 -61 -6.67 459 -8.40 0.0426
2021-11-16 2021-09-30 13F DEXCOM COM 252131107 915 -7 -0.76 500 26.90 0.0474
2021-08-13 2021-06-30 13F DEXCOM COM 252131107 922 -773 -45.60 395 13.87 0.0381
2021-05-26 2021-03-31 13F DEXCOM COM 252131107 1,695 381 29.00 346 -43.56 0.0354
2021-02-19 2020-12-31 13F DEXCOM COM 252131107 1,314 417 46.49 613 66.12 0.0692
2020-11-19 2020-09-30 13F DEXCOM COM 252131107 897 -102 -10.21 370 -8.66 0.0469
2020-11-20 2020-06-30 13F/A-1 DEXCOM COM 252131107 999 1 0.10 405 50.75 0.0553
2020-11-20 2020-03-31 13F/A-1 DEXCOM COM 252131107 998 998 -0.10 269 -33.66 0.0438
2020-01-02 2019-09-30 13F DEXCOM COM 252131107 0 -1,326 -100.00 0 -100.00
2019-08-27 2019-06-30 13F DEXCOM COM 252131107 1,326 -138 -9.43 199 13.79 0.0245
2019-05-22 2019-03-31 13F DEXCOM COM 252131107 1,464 -413 -22.00 174 -22.32 0.0236
2019-02-12 2018-12-31 13F DEXCOM COM 252131107 1,877 -383 -16.95 225 -30.65 0.0337
2018-12-07 2018-09-30 13F/A-1 DEXCOMINC COM 252131107 2,260 -157 -6.50 323 41.05 0.0446
2018-09-20 2018-06-30 13F DEXCOM COM 252131107 2,417 -183 -7.04 230 18.65 0.0333
2018-04-24 2018-03-31 13F DEXCOM COM 252131107 2,600 2,600 193 0.0300
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.