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 Chemicals0.90%+0.90 ppIndustrial Gases0.73%+0.73 ppPaper & Plastic Packaging Products & Materials0.49%+0.49 ppFertilizers & Agricultural Chemicals0.20%+0.20 ppCopper0.17%+0.17 ppConstruction Materials0.15%+0.15 ppGold0.15%+0.15 ppCommodity Chemicals0.15%+0.15 ppMetal, Glass & Plastic Containers0.10%+0.10 ppSteel0.10%+0.10 pp
3 · Sub-industry
Inside Fertilizers & Agricultural Chemicals
Fertilizers & Agricultural Chemicals · weight
0.20%
Industry change · 12M
+0.20 pp
Fertilizers & Agricultural Chemicals · contribution
+0.198 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 |
|---|---|---|---|---|---|---|---|
| Corteva → CTVA | United States | $30.9bn | 0.108% | -0.007 pp | +0.108 pp | +47.9% | No |
| Mosaic Company (The) → MOS | United States | $13.6bn | 0.048% | +0.005 pp | +0.048 pp | +97.1% | Yes |
| CF Industries → CF | United States | $12.0bn | 0.042% | +0.003 pp | +0.042 pp | +87.1% | 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.