Dexcom Inc
DXCM- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001093557
In the last 90 days, Dexcom Inc insiders filed 0 open-market purchases and 11 sales; 975 institutions reported holding it in 13F filings for Q2 2026, worth $26.0B in total; no superinvestor holds it.
Holders of 5% or more of DXCM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Dexcom Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 8.30%32.5M shares | – | Apr 24, 20251 filing | Apr 24, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Dexcom Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 20266:24 PM ET | Vanguard Capital Management LLC | 13G | 7.49%28.8M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 202612:51 PM ET | Vanguard Portfolio Management LLC | 13G | 5.02%19.3M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20266:02 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −12.61 ppfrom 12.61%Below 5% | Mar 13, 2026 | SEC |
| Oct 30, 20252:56 PM ET | Vanguard Group Inc | 13G/A | 12.61%49.5M shares | – | Sep 30, 2025 | SEC |
| Apr 24, 20259:20 AM ET | BlackRock, Inc. | 13G/A | 8.30%32.5M shares | – | Mar 31, 2025 | SEC |
| Feb 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Dec 6, 2021 | Baillie Gifford & Co | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 5, 20217:51 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 14, 2021 | Baillie Gifford & Co | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Dexcom Inc shares.
No Form 144 notices for Dexcom Inc are on file.