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
Paper & Plastic Packaging Products & Materials0.55%-0.07 ppSpecialty Chemicals0.71%-0.06 ppCopper0.15%+0.06 ppCommodity Chemicals0.17%-0.03 ppConstruction Materials0.15%-0.03 ppGold0.19%+0.02 ppMetal, Glass & Plastic Containers0.12%+0.02 ppSteel0.06%-0.02 ppFertilizers & Agricultural Chemicals0.19%-0.01 ppIndustrial Gases0.80%-0.01 pp
3 · Sub-industry
Inside Fertilizers & Agricultural Chemicals
Fertilizers & Agricultural Chemicals · weight
0.19%
Industry change · 12M
-0.01 pp
Fertilizers & Agricultural Chemicals · contribution
-0.014 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 |
|---|---|---|---|---|---|---|---|
| CF Industries → CF | United States | $8.3bn | 0.034% | +0.033 pp | -0.017 pp | -15.8% | Yes |
| Corteva → CTVA | United States | $28.8bn | 0.117% | +0.117 pp | +0.008 pp | +33.5% | Yes |
| Mosaic Company (The) → MOS | United States | $8.7bn | 0.035% | +0.035 pp | -0.005 pp | +7.6% | 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.