DXCM
DexCom, Inc. · Healthcare · Medical - Devices
Momentum inputs (comparable managers):
holder breadth +5.0% ·
share flow -3.1% ·
net new positions +4.8%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 168 | +2 | 305.11M | $20.50B | +7 | −5 |
| Q1 2026 | 169 | 0 | 297.37M | $18.71B | +3 | −4 |
| Q4 2025 | 168 | 0 | 314.09M | $20.85B | +1 | — |
| Q3 2025 | 26 | +1 | 175.97M | $11.84B | +1 | −1 |
| Q2 2025 | 23 | -1 | 152.74M | $13.33B | — | −1 |
| Q1 2025 | 21 | 0 | 61.18M | $4.17B | — | — |
| Q4 2024 | 21 | +1 | 69.06M | $5.37B | +1 | — |
| Q3 2024 | 19 | -2 | 54.56M | $3.66B | — | −2 |
| Q2 2024 | 21 | — | 52.99M | $6.01B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 16.69M | — | $1.30B | 0.1% | n/c | 1 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 16.69M | — | $1.30B | 0.1% | n/c | 1 | SEC ↗ |
| 3 | Baillie Gifford ✦ | 14.61M | -2.7% | $1.14B | 0.9% | ▼ Trim | 3 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 14.61M | -2.7% | $1.14B | 0.9% | ▼ Trim | 3 | SEC ↗ |
| 5 | Baillie Gifford ✦ | 14.61M | -2.7% | $1.14B | 0.9% | ▼ Trim | 3 | SEC ↗ |
| 6 | Baillie Gifford ✦ | 14.61M | -2.7% | $1.14B | 0.9% | ▼ Trim | 3 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 9.99M | +0.6% | $775.26M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 8 | Geode Capital Management ✦ (passive) | 9.99M | +0.6% | $775.26M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 4.96M | -1.0% | $385.37M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 4.26M | +245.4% | $331.41M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 4.26M | +245.4% | $331.41M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 12 | Capital World Investors ✦ | 3.84M | -49.6% | $298.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 3.53M | +45.3% | $274.54M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 3.53M | +45.3% | $274.54M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 15 | Millennium Management ✦ | 3.08M | +800.3% | $239.22M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 16 | Millennium Management ✦ | 3.08M | +800.3% | $239.22M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 17 | T. Rowe Price ✦ | 1.94M | -39.7% | $150.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 1.94M | -39.7% | $150.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Point72 Asset Management ✦ | 1.60M | New | $124.34M | 0.3% | New | 1 | SEC ↗ |
| 20 | Renaissance Technologies ✦ | 889.87K | +7.1% | $69.21M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 21 | Two Sigma Investments ✦ | 863.02K | +4.6% | $67.12M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 22 | Two Sigma Investments ✦ | 863.02K | +4.6% | $67.12M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 23 | Fisher Asset Management ✦ | 761.84K | -11.0% | $59.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | AQR Capital Management ✦ | 608.21K | +208.3% | $47.30M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 25 | AQR Capital Management ✦ | 608.21K | +208.3% | $47.30M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 26 | AQR Capital Management ✦ | 608.21K | +208.3% | $47.30M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 608.21K | +208.3% | $47.30M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 608.21K | +208.3% | $47.30M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 29 | Adage Capital Partners ✦ | 555.12K | +1.3% | $43.17M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 30 | Marshall Wace ✦ | 539.29K | +104.3% | $41.94M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 31 | Marshall Wace ✦ | 539.29K | +104.3% | $41.94M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 32 | Marshall Wace ✦ | 539.29K | +104.3% | $41.94M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 33 | Gotham Asset Management ✦ | 114.68K | +45.5% | $8.92M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 34 | Bridgewater Associates ✦ | 97.94K | -69.4% | $7.62M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Arrowstreet Capital ✦ | 54.83K | -32.7% | $4.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | GAMCO Investors ✦ | 52.00K | 0.0% | $4.04M | 0.0% | Held | 3 | SEC ↗ |
| 37 | Wellington Management ✦ | 25.84K | -99.5% | $2.01M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Wellington Management ✦ | 25.84K | -99.5% | $2.01M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Wellington Management ✦ | 25.84K | -99.5% | $2.01M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Wellington Management ✦ | 25.84K | -99.5% | $2.01M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Wellington Management ✦ | 25.84K | -99.5% | $2.01M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $124.34M | 0.3% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 15.50K shares, $973 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 19.31K sh · $1.73M
Officer, Director · 7.35K sh · $667,332
Officer, Director · 97 sh · $8,867
Officer · 1.70K sh · $156,281
Director · 1.01K sh · $89,349
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology