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
Industrial Gases0.82%+0.70 ppPaper & Plastic Packaging Products & Materials0.61%+0.48 ppSpecialty Chemicals0.81%+0.34 ppCommodity Chemicals0.19%+0.19 ppFertilizers & Agricultural Chemicals0.21%+0.13 ppGold0.17%+0.11 ppConstruction Materials0.20%+0.11 ppMetal, Glass & Plastic Containers0.13%+0.08 ppSteel0.08%+0.02 ppCopper0.07%+0.01 pp
3 · Sub-industry
Inside Fertilizers & Agricultural Chemicals
Fertilizers & Agricultural Chemicals · weight
0.21%
Industry change · 12M
+0.13 pp
Fertilizers & Agricultural Chemicals · contribution
+0.130 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2019 · 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 | $21.0bn | 0.111% | +0.111 pp | +0.111 pp | +0.0% | Yes |
| CF Industries → CF | United States | $10.7bn | 0.057% | +0.001 pp | +0.017 pp | -7.2% | Yes |
| Mosaic Company (The) → MOS | United States | $7.9bn | 0.042% | -0.010 pp | +0.002 pp | -36.5% | 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.