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
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 & Materials0.16%-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 Paper & Plastic Packaging Products & Materials
Paper & Plastic Packaging Products & Materials · weight
0.16%
Industry change · 12M
-0.19 pp
Paper & Plastic Packaging Products & Materials · contribution
-0.190 pp
Company participation
60%
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 |
|---|---|---|---|---|---|---|---|
| Amcor → AMCR | United States | $19.4bn | 0.033% | -0.002 pp | -0.156 pp | +8.6% | Yes |
| International Paper → IP | United States | $17.6bn | 0.030% | -0.006 pp | -0.020 pp | -25.0% | No |
| Smurfit Westrock → SW | United States | $23.1bn | 0.039% | -0.003 pp | -0.006 pp | +6.7% | Yes |
| Packaging Corporation of America → PKG | United States | $20.4bn | 0.034% | -0.003 pp | -0.005 pp | +7.9% | No |
| Avery Dennison → AVY | United States | $12.9bn | 0.022% | +0.000 pp | -0.004 pp | +7.6% | 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.