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 & Materials0.17%-0.21 ppIndustrial Gases0.49%-0.11 ppSpecialty Chemicals0.41%-0.09 ppConstruction Materials0.21%+0.06 ppGold0.22%+0.05 ppCopper0.18%+0.05 ppSteel0.15%+0.04 ppFertilizers & Agricultural Chemicals0.14%-0.02 ppMetal, Glass & Plastic Containers0.03%-0.00 ppCommodity Chemicals0.04%+0.00 pp
3 · Sub-industry
Inside Paper & Plastic Packaging Products & Materials
Paper & Plastic Packaging Products & Materials · weight
0.17%
Industry change · 12M
-0.21 pp
Paper & Plastic Packaging Products & Materials · contribution
-0.214 pp
Company participation
80%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 |
|---|---|---|---|---|---|---|---|
| Amcor → AMCR | United States | $21.2bn | 0.035% | +0.004 pp | -0.171 pp | +12.9% | Yes |
| International Paper → IP | United States | $20.1bn | 0.033% | +0.003 pp | -0.021 pp | -19.9% | Yes |
| Smurfit Westrock → SW | United States | $24.6bn | 0.041% | +0.004 pp | -0.010 pp | +2.0% | Yes |
| Packaging Corporation of America → PKG | United States | $20.8bn | 0.035% | +0.001 pp | -0.006 pp | +10.0% | No |
| Avery Dennison → AVY | United States | $13.2bn | 0.022% | +0.001 pp | -0.006 pp | +3.7% | 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.