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 Chemicals0.53%-0.18 ppIndustrial Gases0.60%-0.18 ppSteel0.10%-0.08 ppCopper0.12%-0.06 ppCommodity Chemicals0.06%-0.05 ppFertilizers & Agricultural Chemicals0.14%-0.04 ppConstruction Materials0.15%-0.03 ppMetal, Glass & Plastic Containers0.04%-0.02 ppPaper & Plastic Packaging Products & Materials0.34%+0.00 ppGold0.10%-0.00 pp
3 · Sub-industry
Inside Specialty Chemicals
Specialty Chemicals · weight
0.53%
Industry change · 12M
-0.18 pp
Specialty Chemicals · contribution
-0.182 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2024 · 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 | $85.6bn | 0.194% | -0.030 pp | -0.044 pp | +9.9% | No |
| PPG Industries → PPG | United States | $27.7bn | 0.063% | -0.009 pp | -0.042 pp | -18.5% | No |
| LyondellBasell → LYB | United States | $24.1bn | 0.055% | -0.018 pp | -0.037 pp | -17.4% | No |
| Albemarle Corporation → ALB | United States | $10.1bn | 0.023% | -0.003 pp | -0.028 pp | -39.5% | No |
| Ecolab → ECL | United States | $66.4bn | 0.150% | -0.019 pp | -0.018 pp | +19.3% | No |
| International Flavors & Fragrances → IFF | United States | $21.6bn | 0.049% | -0.013 pp | -0.013 pp | +6.3% | 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.