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%-0.14 ppConstruction Materials0.25%+0.11 ppIndustrial Gases0.53%-0.08 ppSpecialty Chemicals0.42%-0.08 ppSteel0.15%+0.04 ppGold0.17%+0.03 ppFertilizers & Agricultural Chemicals0.14%-0.03 ppCopper0.16%+0.02 ppCommodity Chemicals0.03%-0.01 ppMetal, Glass & Plastic Containers0.03%-0.00 pp
3 · Sub-industry
Inside Paper & Plastic Packaging Products & Materials
Paper & Plastic Packaging Products & Materials · weight
0.17%
Industry change · 12M
-0.14 pp
Paper & Plastic Packaging Products & Materials · contribution
-0.141 pp
Company participation
60%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 | $20.0bn | 0.035% | +0.008 pp | -0.108 pp | +0.2% | No |
| International Paper → IP | United States | $20.2bn | 0.035% | +0.008 pp | -0.018 pp | -14.7% | Yes |
| Avery Dennison → AVY | United States | $12.4bn | 0.022% | +0.002 pp | -0.008 pp | -5.4% | Yes |
| Smurfit Westrock → SW | United States | $24.3bn | 0.042% | +0.012 pp | -0.006 pp | +10.5% | Yes |
| Packaging Corporation of America → PKG | United States | $21.2bn | 0.037% | -27.534 pp | +0.000 pp | +29.6% | 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.