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 Chemicals0.86%-0.02 ppConstruction Materials0.17%-0.01 ppMetal, Glass & Plastic Containers0.08%+0.01 ppFertilizers & Agricultural Chemicals0.12%+0.01 ppSteel0.12%+0.00 ppGold0.12%-0.00 ppIndustrial Gases0.21%+0.00 ppCopper0.16%+0.00 ppPaper & Plastic Packaging Products & Materials0.27%-0.00 ppCommodity Chemicals0.00%+0.00 pp
3 · Sub-industry
Inside Fertilizers & Agricultural Chemicals
Fertilizers & Agricultural Chemicals · weight
0.12%
Industry change · 12M
+0.01 pp
Fertilizers & Agricultural Chemicals · contribution
+0.007 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2018 · 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 |
|---|---|---|---|---|---|---|---|
| Mosaic Company (The) → MOS | United States | $10.1bn | 0.061% | +0.006 pp | +0.006 pp | -3.5% | Yes |
| CF Industries → CF | United States | $9.6bn | 0.058% | +0.001 pp | +0.001 pp | -2.1% | 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.