DXCM
DexCom, Inc. · Healthcare · Medical - Devices
Momentum inputs (comparable managers):
holder breadth +4.0% ·
share flow +5.7% ·
net new positions 0.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | The Vanguard Group ✦ (passive) | 49.46M | +2.4% | $3.33B | 0.1% | ▲ Add | 2 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 38.82M | -0.5% | $2.61B | 0.0% | ▼ Trim | 2 | SEC ↗ ×24 |
| 3 | State Street Global Advisors ✦ (passive) | 16.86M | 0.0% | $1.13B | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 4 | Baillie Gifford ✦ | 15.88M | -4.9% | $1.07B | 0.8% | ▼ Trim | 6 | SEC ↗ ×4 |
| 5 | JPMorgan Chase ✦ | 12.43M | n/a | $836.26M | 0.0% | n/c | 1 | SEC ↗ ×44 |
| 6 | Geode Capital Management ✦ (passive) | 10.96M | +1.8% | $734.94M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 7 | Citadel Advisors ✦ | 6.78M | +395.2% | $456.12M | 0.4% | ▲ Add | 6 | SEC ↗ ×2 |
| 8 | Morgan Stanley ✦ | 4.35M | n/a | $292.90M | 0.0% | n/c | 1 | SEC ↗ ×19 |
| 9 | Millennium Management ✦ | 3.43M | +1265.3% | $230.89M | 0.2% | ▲ Add | 6 | SEC ↗ ×2 |
| 10 | Point72 Asset Management ✦ | 2.24M | New | $150.46M | 0.3% | New | 1 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 2.20M | +12.3% | $148.27M | 0.1% | ▲ Add | 6 | SEC ↗ ×2 |
| 12 | Goldman Sachs Group ✦ | 2.13M | n/a | $143.35M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 13 | T. Rowe Price ✦ | 1.90M | +8.6% | $127.72M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 14 | Marshall Wace ✦ | 1.71M | -55.3% | $115.02M | 0.1% | ▼ Trim | 6 | SEC ↗ ×4 |
| 15 | Fidelity (FMR) ✦ | 1.51M | -28.6% | $101.92M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 16 | Two Sigma Investments ✦ | 1.50M | +670.7% | $101.01M | 0.2% | ▲ Add | 6 | SEC ↗ |
| 17 | Capital World Investors ✦ | 1.38M | -0.2% | $93.13M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 18 | Renaissance Technologies ✦ | 841.56K | +20.6% | $56.63M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 444.63K | -28.8% | $29.77M | 0.0% | ▼ Trim | 6 | SEC ↗ ×6 |
| 20 | Arrowstreet Capital ✦ | 397.22K | +40.7% | $26.73M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 21 | Fisher Asset Management ✦ | 263.56K | -8.0% | $17.74M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 22 | Adage Capital Partners ✦ | 207.00K | -49.4% | $13.93M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 23 | Bridgewater Associates ✦ | 120.50K | -52.5% | $8.11M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 24 | Wellington Management ✦ | 79.27K | -75.0% | $5.33M | 0.0% | ▼ Trim | 6 | SEC ↗ ×5 |
| 25 | GAMCO Investors ✦ | 52.00K | 0.0% | $3.50M | 0.0% | Held | 6 | SEC ↗ |
| 26 | Gotham Asset Management ✦ | 13.55K | -83.7% | $912,049 | 0.0% | ▼ Trim | 6 | 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 | $150.46M | 0.3% |
Exited
| Norges Bank | $453.28M | was 0.1% |
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