Observatory · observe first
Johnson & Johnson
JNJ · United States · Pharmaceuticals · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.751%
12M weight contribution
-0.152 pp
3M weight contribution
-0.297 pp
12M price return
+51.1%
Share of matched S&P 500 members
Monthly observations through Apr 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 |
|---|---|---|---|---|---|
| Apr 2026 | $553.3bn | 0.751% | -0.152 pp | +51.1% | No |
| Mar 2026 | $589.1bn | 0.858% | -0.090 pp | +51.5% | No |
| Feb 2026 | $598.7bn | 0.822% | -0.067 pp | +54.7% | No |
| Jan 2026 | $547.5bn | 1.048% | +0.233 pp | +53.9% | Yes |
| Dec 2025 | $498.6bn | 0.977% | +0.187 pp | +47.5% | Yes |
| Nov 2025 | $498.5bn | 0.979% | +0.156 pp | +37.6% | Yes |
| Oct 2025 | $455.0bn | 0.891% | -0.013 pp | +22.0% | Yes |
| Sep 2025 | $446.6bn | 0.894% | -0.014 pp | +18.1% | Yes |
| Aug 2025 | $426.7bn | 0.885% | -0.080 pp | +10.3% | Yes |
| Jul 2025 | $396.8bn | 0.837% | +0.156 pp | +7.8% | No |
| Jun 2025 | $367.5bn | 0.792% | +0.133 pp | +7.9% | No |
| May 2025 | $373.4bn | 0.846% | +0.171 pp | +9.3% | No |
| Apr 2025 | $376.1bn | 0.903% | -0.106 pp | +11.6% | Yes |
| Mar 2025 | $399.3bn | 0.948% | -0.109 pp | +8.2% | Yes |
| Feb 2025 | $397.3bn | 0.889% | -0.225 pp | +5.5% | Yes |
| Jan 2025 | $366.3bn | 0.815% | -0.323 pp | -1.2% | No |
| Dec 2024 | $348.2bn | 0.790% | -0.336 pp | -4.8% | No |
| Nov 2024 | $373.2bn | 0.824% | -0.337 pp | +3.4% | No |
| Oct 2024 | $384.9bn | 0.905% | -0.309 pp | +11.2% | Yes |
| Sep 2024 | $390.1bn | 0.908% | -0.444 pp | +7.3% | Yes |
| Aug 2024 | $399.3bn | 0.965% | -0.374 pp | +5.8% | Yes |
| Jul 2024 | $380.0bn | 0.681% | -0.268 pp | -2.8% | No |
| Jun 2024 | $351.8bn | 0.659% | -0.335 pp | -8.9% | No |
| May 2024 | $353.0bn | 0.675% | -0.321 pp | -2.4% | 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.