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
Universe›Materials›Paper & Plastic Packaging Products & Materials›Paper & Plastic Packaging Products & Materials
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Materials
Paper & Plastic Packaging Products & Materials27.79%+27.26 ppSpecialty Chemicals0.51%-0.38 ppIndustrial Gases0.58%-0.21 ppFertilizers & Agricultural Chemicals0.15%-0.17 ppGold0.08%-0.11 ppCommodity Chemicals0.09%-0.09 ppCopper0.12%-0.08 ppMetal, Glass & Plastic Containers0.04%-0.04 ppConstruction Materials0.13%-0.03 ppSteel0.12%-0.01 pp
3 · Sub-industry
Inside Paper & Plastic Packaging Products & Materials
Paper & Plastic Packaging Products & Materials · weight
27.79%
Industry change · 12M
+27.26 pp
Paper & Plastic Packaging Products & Materials · contribution
+27.264 pp
Company participation
25%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2023 · 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 |
|---|---|---|---|---|---|---|---|
| Packaging Corporation of America → PKG | United States | $11154.3bn | 27.555% | +27.512 pp | +27.502 pp | -18.0% | Yes |
| Amcor → AMCR | United States | $70.9bn | 0.175% | -0.116 pp | -0.179 pp | -23.1% | No |
| International Paper → IP | United States | $10.2bn | 0.025% | -0.020 pp | -0.039 pp | -36.1% | No |
| Avery Dennison → AVY | United States | $13.0bn | 0.032% | -0.020 pp | -0.019 pp | -5.5% | 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.