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

Materials30.1%+27.83 pp Energy2.0%-0.58 pp Communication Services2.1%-0.59 pp Utilities2.1%-0.66 pp Real Estate1.6%-0.88 pp Industrials7.7%-1.89 pp Consumer Staples4.9%-2.28 pp Consumer Discretionary8.4%-3.45 pp Health Care8.2%-4.24 pp Financials7.7%-4.88 pp Information Technology25.3%-8.39 pp

2 · Industry

Inside Materials

Paper & Plastic Packaging Products & Materials28.54%+28.18 pp Industrial Gases0.41%-0.24 pp Specialty Chemicals0.36%-0.19 pp Gold0.19%+0.09 pp Construction Materials0.22%+0.08 pp Fertilizers & Agricultural Chemicals0.11%-0.04 pp Commodity Chemicals0.03%-0.03 pp Steel0.09%-0.02 pp Copper0.13%+0.02 pp Metal, Glass & Plastic Containers0.02%-0.01 pp

3 · Sub-industry

Inside Paper & Plastic Packaging Products & Materials

Paper & Plastic Packaging Products & Materials28.54%+28.176 pp

Concentrated

Most of this industry's gains came from a few companies.

View all contributions →

Paper & Plastic Packaging Products & Materials · weight

28.54%

Industry change · 12M

+28.18 pp

Paper & Plastic Packaging Products & Materials · contribution

+28.176 pp

Company participation

20%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 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
Packaging Corporation of America → PKG	United States	$20710.0bn	28.426%	+28.390 pp	+28.383 pp	+11.7%	Yes
Amcor → AMCR	United States	$22.4bn	0.031%	-0.162 pp	-0.133 pp	+1.4%	No
International Paper → IP	United States	$23.1bn	0.032%	-0.009 pp	-0.035 pp	-19.4%	No
Smurfit Westrock → SW	United States	$24.6bn	0.034%	-0.003 pp	-0.027 pp	-7.2%	No
Avery Dennison → AVY	United States	$15.1bn	0.021%	-0.005 pp	-0.012 pp	+6.7%	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.