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
Latest available · not live
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Materials
Paper & Plastic Packaging Products & Materials0.16%-0.19 ppIndustrial Gases0.47%-0.10 ppSpecialty Chemicals0.39%-0.07 ppCopper0.17%+0.06 ppSteel0.14%+0.04 ppConstruction Materials0.19%+0.04 ppGold0.20%+0.02 ppFertilizers & Agricultural Chemicals0.13%-0.02 ppMetal, Glass & Plastic Containers0.02%-0.00 ppCommodity Chemicals0.03%+0.00 pp
3 · Sub-industry
Inside Fertilizers & Agricultural Chemicals
Fertilizers & Agricultural Chemicals · weight
0.13%
Industry change · 12M
-0.02 pp
Fertilizers & Agricultural Chemicals · contribution
-0.015 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2026 · 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 | $6.9bn | 0.012% | -0.000 pp | -0.010 pp | -35.3% | No |
| Corteva → CTVA | United States | $51.8bn | 0.087% | -0.011 pp | -0.005 pp | +15.9% | No |
| CF Industries → CF | United States | $17.4bn | 0.029% | +0.000 pp | +0.000 pp | +31.1% | 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.