Observatory · observe first
Albemarle Corporation
ALB · United States · Specialty Chemicals · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.029%
12M weight contribution
+0.009 pp
3M weight contribution
-0.001 pp
12M price return
+136.8%
Share of matched S&P 500 members
Monthly observations through Feb 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 |
|---|---|---|---|---|---|
| Feb 2026 | $21.1bn | 0.029% | +0.009 pp | +136.8% | Yes |
| Jan 2026 | $20.1bn | 0.038% | +0.016 pp | +106.9% | Yes |
| Dec 2025 | $16.6bn | 0.033% | +0.010 pp | +67.7% | Yes |
| Nov 2025 | $15.3bn | 0.030% | +0.002 pp | +23.3% | Yes |
| Oct 2025 | $11.6bn | 0.023% | -0.004 pp | +5.9% | Yes |
| Sep 2025 | $9.5bn | 0.019% | -0.007 pp | -12.5% | Yes |
| Aug 2025 | $10.0bn | 0.021% | -0.005 pp | -3.9% | Yes |
| Jul 2025 | $8.0bn | 0.017% | -0.003 pp | -26.1% | No |
| Jun 2025 | $7.4bn | 0.016% | -0.005 pp | -33.0% | No |
| May 2025 | $6.6bn | 0.015% | -0.013 pp | -53.7% | No |
| Apr 2025 | $6.9bn | 0.017% | -0.024 pp | -50.5% | No |
| Mar 2025 | $8.5bn | 0.020% | -0.023 pp | -44.3% | No |
| Feb 2025 | $9.1bn | 0.020% | -0.026 pp | -43.3% | No |
| Jan 2025 | $9.9bn | 0.022% | -0.018 pp | -25.5% | No |
| Dec 2024 | $10.1bn | 0.023% | -0.028 pp | -39.5% | No |
| Nov 2024 | $12.7bn | 0.028% | -0.016 pp | -9.9% | Yes |
| Oct 2024 | $11.1bn | 0.026% | -0.024 pp | -24.2% | Yes |
| Sep 2024 | $11.1bn | 0.026% | -0.041 pp | -43.5% | No |
| Aug 2024 | $10.6bn | 0.026% | -0.049 pp | -54.0% | No |
| Jul 2024 | $11.0bn | 0.020% | -0.035 pp | -55.3% | No |
| Jun 2024 | $11.2bn | 0.021% | -0.039 pp | -56.7% | No |
| May 2024 | $14.4bn | 0.028% | -0.029 pp | -36.0% | No |
| Apr 2024 | $14.1bn | 0.041% | -0.033 pp | -34.5% | No |
| Mar 2024 | $15.5bn | 0.043% | -0.045 pp | -39.8% | 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.