Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Materials
Industrial Gases0.00%-0.81 ppSpecialty Chemicals0.00%-0.81 ppPaper & Plastic Packaging Products & Materials0.00%-0.61 ppFertilizers & Agricultural Chemicals0.00%-0.21 ppConstruction Materials0.00%-0.20 ppCommodity Chemicals0.00%-0.19 ppGold0.00%-0.16 ppMetal, Glass & Plastic Containers0.00%-0.13 ppSteel0.00%-0.08 ppCopper0.00%-0.07 pp
3 · Sub-industry
Inside Specialty Chemicals
Specialty Chemicals · weight
0.00%
Industry change · 12M
-0.81 pp
Specialty Chemicals · contribution
-0.809 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2020 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| Ecolab → ECL | United States | $57.0bn | 0.000% | -0.000 pp | -0.302 pp | +1.9% | No |
| LyondellBasell → LYB | United States | $23.5bn | 0.000% | -0.000 pp | -0.159 pp | -16.7% | No |
| PPG Industries → PPG | United States | $28.8bn | 0.000% | +0.000 pp | -0.149 pp | +5.0% | No |
| Sherwin-Williams → SHW | United States | $21.1bn | 0.000% | +0.000 pp | -0.090 pp | +27.8% | No |
| International Flavors & Fragrances → IFF | United States | $13.1bn | 0.000% | -0.000 pp | -0.070 pp | +2.4% | No |
| Albemarle Corporation → ALB | United States | $9.5bn | 0.000% | +0.000 pp | -0.039 pp | +31.0% | No |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.