DexCom Ownership | Who Owns DexCom?
DexCom Ownership Summary
DexCom is owned by 100.73% institutional investors, 0.27% insiders. Tudor investment corp et al is the largest institutional shareholder, holding 17.64% of DXCM shares. Vanguard MStar Total Stk Mkt Idx Invest is the top mutual fund, with 3.26% of its assets in DexCom shares.
DXCM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | DexCom | 100.73% | 0.27% | -1.00% |
| Sector | Healthcare Stocks | 244.59% | 12.11% | -156.70% |
| Industry | Medical Device Stocks | 52.73% | 12.62% | 34.65% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Tudor investment corp et al | 69.15M | 17.64% | $63.06M |
| Vanguard group | 49.07M | 12.55% | $3.26B |
| Blackrock funding, inc. /de | 38.24M | 9.93% | $2.58B |
| Blackrock | 34.52M | 8.85% | $3.91B |
| Vanguard capital management | 25.21M | 6.55% | $1.70B |
| State street | 18.38M | 4.77% | $1.24B |
| Invesco | 15.29M | 3.97% | $1.03B |
| Baillie gifford | 14.80M | 3.84% | $996.89M |
| Geode capital management | 12.43M | 3.23% | $834.17M |
| Alliancebernstein | 11.69M | 3.04% | $734.35M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Iron triangle partners lp | 850.00K | 8.13% | $57.20M |
| Tri locum partners lp | 820.48K | 6.80% | $55.26M |
| Mig capital | 605.55K | 5.92% | $40.75M |
| Bridger management | 101.89K | 5.00% | $6.40M |
| Parkman healthcare partners | 534.77K | 3.69% | $36.02M |
| Motley fool wealth management | 3.51K | 3.59% | $236.69K |
| Sirios capital management l p | 420.42K | 3.44% | $28.32M |
| Intermede investment partners | 818.84K | 3.15% | $74.91M |
| Aquila investment management | 28.00K | 2.98% | $3.17M |
| Scholtz & company | 77.33K | 2.60% | $5.21M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Tudor investment corp et al | 69.15M | 0.11% | 69.15M |
| Invesco | 15.29M | 0.08% | 7.21M |
| Norges bank | 6.87M | 0.05% | 6.87M |
| Arrowstreet capital, limited partnership | 6.87M | 0.21% | 4.33M |
| Sixth street partners management company | 3.44M | 0.03% | 3.44M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sands capital management | - | - | -4.93M |
| Jpmorgan chase | 3.33M | 0.01% | -2.67M |
| Artisan partners limited partnership | - | - | -2.52M |
| Capital research global investors | - | - | -2.37M |
| Axa | - | - | -2.17M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Tudor investment corp et al | 69.15M | 0.11% | 69.15M | $63.06M |
| Norges bank | 6.87M | 0.05% | 6.87M | $462.57M |
| Sixth street partners management company | 3.44M | 0.03% | 3.44M | $231.63M |
| Axa investment managers | 1.67M | 0.30% | 1.67M | $112.20M |
| Nearwater capital markets | 1.25M | 1.45% | 1.25M | $84.19M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -1.00 |
| Koesten, hirschmann & crabtree | -1.00 |
| Nemes rush group | -1.00 |
| Ruedi wealth management | -1.00 |
| Kozak & associates | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 1,007 | 0.10% | 387,898,646 | 5.93% | 100 | 1.12% | 509 | -1.36% | 346 | 2.98% |
| Mar 31, 2026 | 577 | -41.06% | 133,075,732 | -63.66% | 34 | 0.38% | 297 | -41.88% | 191 | -38.19% |
| Dec 31, 2025 | 684 | -29.70% | 264,734,378 | -27.79% | 67 | 0.77% | 334 | -24.43% | 234 | -32.76% |
| Sep 30, 2025 | 932 | -5.48% | 429,193,998 | 21.20% | 109 | 1.34% | 423 | -8.24% | 330 | -2.08% |
| Jun 30, 2025 | 974 | -1.02% | 366,590,820 | 2.86% | 93 | 1.13% | 453 | -6.41% | 336 | 11.63% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 12.29M | 3.26% | 35.60K |
| Vanguard US Total Market Shares ETF | 12.72M | 3.24% | 139.08K |
| Vanguard Total Stock Mkt Idx Inv | 12.25M | 3.18% | 1.25K |
| Vanguard Morn Total Stk Mkt Idx Investor | 12.25M | 3.18% | 1.25K |
| Vanguard Institutional 500 Index Trust | 11.11M | 2.83% | 76.09K |
| Vanguard 500 Index Investor | 10.13M | 2.68% | 106.50K |
| Vanguard MStar Mid Cap Index Instl | 8.35M | 2.21% | -11.11K |
| Vanguard Morn Mid Cap Index Instl | 8.36M | 2.17% | 12.30K |
| Vanguard Mid Cap Index Institutional | 8.36M | 2.17% | 12.30K |
| Invesco QQQ Trust | 7.98M | 2.11% | -101.20K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 27, 2026 | Stern Sadie | EVP Chief People & Culture Off | Sell | $226.67K |
| Aug 20, 2026 | SAYER KEVIN R | Executive Chair | Sell | $8.87K |
| Aug 20, 2026 | SAYER KEVIN R | Executive Chair | Sell | $667.33K |
| Aug 20, 2026 | SAYER KEVIN R | Executive Chair | Sell | $1.73M |
| Aug 14, 2026 | Brown Michael Jon | EVP Chief Legal Compliance Off | Sell | $156.28K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 11 |
| 2026 Q2 | - | 9 |
| 2026 Q1 | - | 2 |
| 2025 Q4 | 2 | 3 |
| 2025 Q3 | - | 10 |
DXCM Ownership FAQ
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