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 Chemicals0.55%-0.16 ppIndustrial Gases0.65%-0.12 ppSteel0.12%-0.08 ppConstruction Materials0.14%-0.06 ppCommodity Chemicals0.06%-0.05 ppPaper & Plastic Packaging Products & Materials0.37%+0.05 ppCopper0.12%-0.04 ppFertilizers & Agricultural Chemicals0.14%-0.04 ppMetal, Glass & Plastic Containers0.03%-0.02 ppGold0.11%+0.00 pp
3 · Sub-industry
Inside Fertilizers & Agricultural Chemicals
Fertilizers & Agricultural Chemicals · weight
0.14%
Industry change · 12M
-0.04 pp
Fertilizers & Agricultural Chemicals · contribution
-0.036 pp
Company participation
33%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2025 · 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 |
|---|---|---|---|---|---|---|---|
| CF Industries → CF | United States | $13.7bn | 0.031% | -0.004 pp | -0.013 pp | +2.9% | No |
| Mosaic Company (The) → MOS | United States | $7.6bn | 0.017% | -0.002 pp | -0.012 pp | -20.9% | No |
| Corteva → CTVA | United States | $43.2bn | 0.097% | +0.002 pp | -0.011 pp | +18.7% | 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.