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 9 sales; 982 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 | – | Dec 6, 20242 filings | Apr 24, 2025 | SEC |
| Vanguard Capital Management LLC | 13G | 7.49%28.8M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.02%19.3M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| State Street Corp | 13G | 5.00%18.9M shares | New | Nov 10, 20261 filing | Nov 10, 2026 | 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
22 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 |
|---|---|---|---|---|---|---|
| Nov 10, 20267:08 AM ET | State Street Corp | 13G | 5.00%18.9M shares | New | Sep 30, 2026 | SEC |
| 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 |
| Dec 6, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 25, 20241:48 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 20234:22 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 27, 20232:36 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 25, 202310:36 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 8, 20225:12 PM ET | BlackRock Inc. | 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
109 notices from officers, directors and other affiliates planning to sell Dexcom Inc shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Oct 27, 20264:07 PM ET | Sadie SternOfficer | 2.56K | $201.7K | Oct 27, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 15, 20264:02 PM ET | Michael BrownOfficer | 1.70K | $145.3K | Oct 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 28, 20264:12 PM ET | Sadie SternOfficer | 2.56K | $221.0K | Sep 28, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 15, 20264:01 PM ET | Michael BrownOfficer | 1.70K | $142.9K | Sep 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 15, 20269:52 AM ET | Augustinos NicholasDirector | 6.54K | $549.5K | Sep 15, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 14, 20269:42 AM ET | Augustinos NicholasDirector | 1.55K | $130.2K | Sep 14, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 10, 20264:05 PM ET | Jereme SylvainOfficer | 3.64K | $302.9K | Sep 10, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 27, 20264:10 PM ET | Sadie SternOfficer | 2.56K | $226.7K | Aug 27, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 20, 20264:49 PM ET | Kevin R SayerOfficer · Director | 26.8K | $2.41M | Aug 20, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 14, 20264:22 PM ET | Michael BrownOfficer | 1.70K | $156.3K | Aug 14, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 12, 202610:22 AM ET | Heller Bridgette PDirector | 1.01K | $89.3K | Aug 12, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 3, 20264:10 PM ET | Foletta Mark GDirector | 2.00K | $170.6K | Aug 3, 202610b5-1 | UBS Financial Services, Inc. | SEC |
| Jul 31, 20264:06 PM ET | Foletta Mark GDirector | 2.00K | $160.0K | Jul 31, 202610b5-1 | UBS Financial Services, Inc. | SEC |
| Jul 20, 20264:05 PM ET | Kevin R SayerOfficer · Director | 26.8K | $2.04M | Jul 20, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jul 15, 20264:04 PM ET | Michael BrownOfficer | 1.70K | $126.5K | Jul 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jul 6, 20264:21 PM ET | Kevin R SayerOfficer · Director | 26.8K | $1.93M | Jul 6, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 15, 20265:47 PM ET | Foletta Mark GDirector | 4.00K | $302.8K | Jun 15, 202610b5-1 | UBS Financial Services, Inc. | SEC |
| Jun 15, 20264:01 PM ET | Michael BrownOfficer | 1.70K | $128.4K | Jun 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 4, 20264:10 PM ET | Jon C ColemanOfficer | 4.91K | $364.1K | Jun 4, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 3, 20264:03 PM ET | Jon C ColemanOfficer | 4.91K | $358.6K | Jun 3, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 21, 20265:05 PM ET | Kevin R SayerOfficer · Director | 26.8K | $1.93M | May 21, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 15, 20264:05 PM ET | Michael BrownOfficer | 1.70K | $101.8K | May 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 12, 20269:47 AM ET | Heller Bridgette PDirector | 1.01K | $60.7K | May 12, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Apr 15, 20264:06 PM ET | Michael BrownOfficer | 1.70K | $107.2K | Apr 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 16, 20264:02 PM ET | Michael BrownOfficer | 1.70K | $110.2K | Mar 16, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
Showing the latest 25. See the DXCM notices from the last 12 months