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
Copper0.14%-0.03 ppPaper & Plastic Packaging Products & Materials0.25%-0.02 ppConstruction Materials0.17%-0.02 ppMetal, Glass & Plastic Containers0.09%+0.01 ppIndustrial Gases0.22%+0.01 ppFertilizers & Agricultural Chemicals0.12%+0.01 ppGold0.13%+0.01 ppSpecialty Chemicals0.88%-0.00 ppSteel0.12%-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
+0.008 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $10.4bn | 0.064% | +0.009 pp | +0.009 pp | -1.2% | Yes |
| CF Industries → CF | United States | $9.1bn | 0.056% | -0.001 pp | -0.001 pp | -7.9% | 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.