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
0.044%
12M weight contribution
-0.020 pp
3M weight contribution
-0.022 pp
12M price return
-17.4%
Share of matched S&P 500 members
Monthly observations through Oct 2025
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 |
|---|---|---|---|---|---|
| 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 |
| Jul 2024 | $27.2bn | 0.049% | -0.057 pp | -45.6% | No |
| Jun 2024 | $45.1bn | 0.085% | -0.031 pp | -11.8% | No |
| May 2024 | $47.2bn | 0.090% | -0.022 pp | +1.3% | No |
| Apr 2024 | $50.7bn | 0.147% | -0.012 pp | +5.0% | Yes |
| Mar 2024 | $53.5bn | 0.148% | -0.005 pp | +19.4% | Yes |
| Feb 2024 | $44.4bn | 0.127% | -0.024 pp | +3.7% | No |
| Jan 2024 | $46.9bn | 0.139% | -0.002 pp | +13.3% | Yes |
| Dec 2023 | $47.9bn | 0.143% | -0.015 pp | +9.6% | Yes |
| Nov 2023 | $44.6bn | 0.139% | -0.013 pp | -0.7% | Yes |
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.