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
Specialty Chemicals0.93%+0.93 ppIndustrial Gases0.76%+0.75 ppPaper & Plastic Packaging Products & Materials0.50%+0.50 ppFertilizers & Agricultural Chemicals0.20%+0.20 ppCopper0.19%+0.19 ppGold0.18%+0.18 ppCommodity Chemicals0.17%+0.17 ppConstruction Materials0.16%+0.16 ppSteel0.10%+0.10 ppMetal, Glass & Plastic Containers0.09%+0.09 pp
3 · Sub-industry
Inside Specialty Chemicals
Specialty Chemicals · weight
0.93%
Industry change · 12M
+0.93 pp
Specialty Chemicals · contribution
+0.927 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2021 · 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 |
|---|---|---|---|---|---|---|---|
| Sherwin-Williams → SHW | United States | $72.5bn | 0.256% | +0.213 pp | +0.256 pp | +42.6% | Yes |
| Ecolab → ECL | United States | $58.9bn | 0.208% | +0.088 pp | +0.208 pp | +4.5% | Yes |
| PPG Industries → PPG | United States | $40.3bn | 0.142% | +0.073 pp | +0.142 pp | +62.6% | Yes |
| International Flavors & Fragrances → IFF | United States | $37.2bn | 0.131% | +0.063 pp | +0.131 pp | +25.0% | Yes |
| LyondellBasell → LYB | United States | $34.4bn | 0.121% | +0.053 pp | +0.121 pp | +64.0% | Yes |
| Albemarle Corporation → ALB | United States | $19.7bn | 0.069% | +0.036 pp | +0.069 pp | +120.7% | Yes |
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.