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 Chemicals0.54%-0.15 ppIndustrial Gases0.64%-0.11 ppSteel0.11%-0.08 ppCopper0.11%-0.05 ppCommodity Chemicals0.06%-0.05 ppConstruction Materials0.15%-0.03 ppGold0.11%+0.03 ppMetal, Glass & Plastic Containers0.04%-0.02 ppFertilizers & Agricultural Chemicals0.16%-0.01 ppPaper & Plastic Packaging Products & Materials0.34%+0.00 pp
3 · Sub-industry
Inside Specialty Chemicals
Specialty Chemicals · weight
0.54%
Industry change · 12M
-0.15 pp
Specialty Chemicals · contribution
-0.147 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2025 · 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 |
|---|---|---|---|---|---|---|---|
| PPG Industries → PPG | United States | $26.8bn | 0.060% | -0.008 pp | -0.039 pp | -16.5% | No |
| LyondellBasell → LYB | United States | $24.6bn | 0.055% | -0.012 pp | -0.036 pp | -14.9% | No |
| Sherwin-Williams → SHW | United States | $90.2bn | 0.201% | -0.012 pp | -0.031 pp | +18.7% | No |
| Albemarle Corporation → ALB | United States | $9.9bn | 0.022% | -0.004 pp | -0.018 pp | -25.5% | No |
| International Flavors & Fragrances → IFF | United States | $22.3bn | 0.050% | -0.010 pp | -0.012 pp | +9.8% | No |
| Ecolab → ECL | United States | $70.8bn | 0.158% | -0.006 pp | -0.011 pp | +27.5% | 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.