Observatory · observe first
Dexcom
DXCM · United States · Health Care Equipment · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.055%
12M weight contribution
-0.012 pp
3M weight contribution
+0.024 pp
12M price return
+3.3%
Share of matched S&P 500 members
Monthly observations through Jul 2026
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| Jul 2026 | $31.5bn | 0.055% | -0.012 pp | +3.3% | Yes |
| Jun 2026 | $26.0bn | 0.045% | -0.029 pp | -22.8% | Yes |
| May 2026 | $28.5bn | 0.049% | -0.027 pp | -14.1% | Yes |
| Apr 2026 | $23.0bn | 0.031% | -0.036 pp | -16.6% | No |
| Mar 2026 | $24.2bn | 0.035% | -0.028 pp | -8.0% | No |
| Feb 2026 | $28.3bn | 0.039% | -0.038 pp | -16.9% | No |
| Jan 2026 | $28.5bn | 0.055% | -0.021 pp | -15.9% | Yes |
| Dec 2025 | $25.9bn | 0.051% | -0.018 pp | -14.7% | No |
| Nov 2025 | $24.8bn | 0.049% | -0.019 pp | -18.6% | No |
| Oct 2025 | $22.7bn | 0.044% | -0.020 pp | -17.4% | No |
| Sep 2025 | $26.4bn | 0.053% | -0.010 pp | +0.4% | No |
| Aug 2025 | $29.5bn | 0.061% | -0.006 pp | +8.7% | No |
| Jul 2025 | $31.7bn | 0.067% | +0.018 pp | +19.1% | No |
| Jun 2025 | $34.2bn | 0.074% | -0.011 pp | -23.0% | Yes |
| May 2025 | $33.6bn | 0.076% | -0.014 pp | -27.8% | Yes |
| Apr 2025 | $27.9bn | 0.067% | -0.080 pp | -44.0% | No |
| Mar 2025 | $26.7bn | 0.063% | -0.085 pp | -50.8% | No |
| Feb 2025 | $34.5bn | 0.077% | -0.050 pp | -23.2% | Yes |
| Jan 2025 | $33.9bn | 0.075% | -0.064 pp | -28.4% | Yes |
| Dec 2024 | $30.4bn | 0.069% | -0.074 pp | -37.3% | Yes |
| Nov 2024 | $30.5bn | 0.067% | -0.072 pp | -32.5% | Yes |
| Oct 2024 | $27.5bn | 0.065% | -0.052 pp | -20.7% | No |
| Sep 2024 | $26.9bn | 0.063% | -0.058 pp | -28.1% | No |
| Aug 2024 | $27.8bn | 0.067% | -0.058 pp | -31.3% | No |
Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.