Observatory · observe first
McKesson Corporation
MCK · United States · Health Care Distributors · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.180%
12M weight contribution
-0.003 pp
3M weight contribution
+0.044 pp
12M price return
+24.0%
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 | $102.9bn | 0.180% | -0.003 pp | +24.0% | Yes |
| Jun 2026 | $90.8bn | 0.158% | -0.040 pp | +3.5% | No |
| May 2026 | $89.2bn | 0.155% | -0.049 pp | +3.6% | No |
| Apr 2026 | $99.9bn | 0.135% | -0.079 pp | +14.8% | No |
| Mar 2026 | $106.0bn | 0.154% | -0.046 pp | +29.1% | No |
| Feb 2026 | $120.9bn | 0.166% | -0.013 pp | +54.9% | No |
| Jan 2026 | $102.6bn | 0.196% | +0.028 pp | +40.3% | Yes |
| Dec 2025 | $101.2bn | 0.198% | +0.034 pp | +44.5% | Yes |
| Nov 2025 | $108.8bn | 0.214% | +0.038 pp | +40.8% | Yes |
| Oct 2025 | $100.9bn | 0.198% | +0.045 pp | +62.8% | Yes |
| Sep 2025 | $96.1bn | 0.192% | +0.043 pp | +56.9% | No |
| Aug 2025 | $85.4bn | 0.177% | +0.001 pp | +22.8% | No |
| Jul 2025 | $86.8bn | 0.183% | +0.039 pp | +12.9% | No |
| Jun 2025 | $91.7bn | 0.198% | +0.055 pp | +26.0% | Yes |
| May 2025 | $90.0bn | 0.204% | +0.062 pp | +26.9% | Yes |
| Apr 2025 | $89.3bn | 0.215% | +0.010 pp | +33.3% | Yes |
| Mar 2025 | $84.3bn | 0.200% | +0.005 pp | +25.9% | Yes |
| Feb 2025 | $80.2bn | 0.179% | -0.017 pp | +23.2% | Yes |
| Jan 2025 | $75.5bn | 0.168% | -0.030 pp | +19.5% | Yes |
| Dec 2024 | $72.3bn | 0.164% | -0.020 pp | +23.7% | Yes |
| Nov 2024 | $79.8bn | 0.176% | -0.019 pp | +34.0% | Yes |
| Oct 2024 | $64.9bn | 0.153% | -0.056 pp | +10.5% | Yes |
| Sep 2024 | $64.1bn | 0.149% | -0.047 pp | +14.3% | No |
| Aug 2024 | $72.8bn | 0.176% | -0.001 pp | +36.7% | 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.