Dexcom
Builds continuous glucose monitors for diabetes care and broader metabolic-health tracking.
$90.77
After-hours close−0.05 (−0.06%)
At close$90.82(+1.71%)
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Breakdown13F · Form 4
Institutions 113.41%Insiders 0.51%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 377.36M · Float 376.05M · 99.7% free float
Institutions13F, as of Jun 30, 2026
1,020 holders · 427.97M shares · 125 new positions · 518 increased · 348 reduced · 116 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 38.24M | 10.13% | −720.2K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 25.21M | 6.68% | +188.8K | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 19.66M | 5.21% | +436.6K | Aug 13, 2026 |
| State Street Corp | 18.38M | 4.87% | +446.0K | Aug 7, 2026 |
| Invesco Ltd. | 15.29M | 4.05% | +7.21M | Aug 14, 2026 |
| Baillie Gifford & Co | 14.80M | 3.92% | −797.9K | Aug 6, 2026 |
| Geode Capital Management, LLC | 12.43M | 3.29% | +79.9K | Aug 12, 2026 |
| AllianceBernstein L.P. | 11.69M | 3.10% | −1.23M | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 8.30% | 32.50M | 13G | Apr 24, 2025 ↗ |
| Vanguard Capital Management | 7.49% | 28.85M | 13G | Apr 29, 2026 ↗ |
| Vanguard Portfolio Management | 5.02% | 19.32M | 13G | Apr 29, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Jacob Steven Leach | director, officer: President, CEO, and Director | 418.9K | 0.11% | Aug 25, 2026 |
| Eric Topol | director | 380.5K | 0.10% | May 12, 2025 |
| Kevin R. Sayer | director, officer: Executive Chair | 302.2K | 0.08% | Aug 24, 2026 |
| Jereme M. Sylvain | officer: EVP, Chief Financal Officer | 150.4K | 0.04% | Aug 25, 2026 |
| Sadie Stern | officer: EVP Chief People & Culture Off | 126.0K | 0.03% | Aug 28, 2026 |
| Michael Jon Brown | officer: EVP Chief Legal Compliance Off | 101.5K | 0.03% | Aug 25, 2026 |
| Jon Coleman | officer: EVP, Chief Commercial Officer | 95.5K | 0.03% | Jun 5, 2026 |
| Steven R. Altman | director | 69.2K | 0.02% | Jun 1, 2026 |
| Mark G. Foletta | director | 55.2K | 0.01% | Aug 4, 2026 |
| Richard Alexander Collins | director | 45.8K | 0.01% | Jun 1, 2026 |
5 ten-percent owners hold 26.51M shares by Form 4, outside the officers-and-directors figure above · 30 people have not refiled in the last 18 months (4.17M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 27, 2026 | Sadie Sternofficer: EVP Chief People & Culture Off | Sale | 2,565 | $88.37 | 126,043 |
| Aug 20, 2026 | Kevin R. Sayerdirector, officer: Executive Chair | Sale · 3 lots | 26,756 | $90.01 | 302,214 |
| Aug 14, 2026 | Michael Jon Brownofficer: EVP Chief Legal Compliance Off | Sale | 1,700 | $91.93 | 102,953 |
| Aug 12, 2026 | Bridgette P. Hellerdirector | Sale | 1,012 | $88.29 | 29,570 |
| Aug 3, 2026 | Mark G. Folettadirector | Sale | 2,000 | $85.32 | 48,852 |
| Jul 31, 2026 | Mark G. Folettadirector | Sale | 2,000 | $80.00 | 50,852 |
| Jul 20, 2026 | Kevin R. Sayerdirector, officer: Executive Chair | Sale | 26,756 | $76.32 | 328,970 |
| Jul 15, 2026 | Michael Jon Brownofficer: EVP Chief Legal Compliance Off | Sale | 1,700 | $74.42 | 104,653 |
| Jul 6, 2026 | Kevin R. Sayerdirector, officer: Executive Chair | Sale | 26,756 | $72.00 | 355,726 |
| Jun 15, 2026 | Mark G. Folettadirector | Sale · 2 lots | 4,000 | $74.13 | 52,852 |
CongressHouse and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Ro Khanna · CA17 | Purchase | $1,001 – $15,000 | May 1, 2026 | Jun 11, 2026 ↗ | |
| Rep. Ro Khanna · CA17 | Purchase | $1,001 – $15,000 | Spouse | Apr 13, 2026 | May 13, 2026 ↗ |
| Sen. John Boozman · AR | Purchase | $1,001 – $15,000 | Joint | Jan 26, 2026 | Feb 15, 2026 ↗ |
| Sen. John Boozman · AR | Purchase | $1,001 – $15,000 | Joint | Jan 26, 2026 | Feb 14, 2026 ↗ |