DXCM
DexCom, Inc. · Healthcare · Medical - Devices
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | -1 | 360.94K | $29.46M | n/a | −1 |
| Q2 2026 | 166 | +2 | 299.42M | $20.12B | +7 | −7 |
| Q1 2026 | 169 | 0 | 297.37M | $18.71B | +3 | −4 |
| Q4 2025 | 168 | 0 | 314.09M | $20.85B | +1 | n/a |
| Q3 2025 | 26 | +1 | 175.97M | $11.84B | +1 | −1 |
| Q2 2025 | 23 | -1 | 152.74M | $13.33B | n/a | −1 |
| Q1 2025 | 21 | 0 | 61.18M | $4.17B | n/a | n/a |
| Q4 2024 | 21 | +1 | 69.06M | $5.37B | +1 | n/a |
| Q3 2024 | 19 | -2 | 54.56M | $3.66B | n/a | −2 |
| Q2 2024 | 21 | n/a | 52.99M | $6.01B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | 271.35K | -80.4% | $23.41M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | Wealth Enhancement Advisory… | 81.72K | +5.2% | $5.36M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | TD Waterhouse Canada Inc. | 7.87K | +17.4% | $679,675 | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Ninety One UK Ltd | $27,681 | was 0.0% |
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 · 2.56K sh · $220,975
Director · 6.54K sh · $549,538
Officer · 1.70K sh · $142,868
Director · 1.55K sh · $130,231
Officer · 3.64K sh · $302,936
Officer · 2.56K sh · $226,669
Officer, Director · 19.31K sh · $1.73M
Officer, Director · 97 sh · $8,867
Officer, Director · 7.35K sh · $667,332
Officer · 1.70K sh · $156,281
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology