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
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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Amcor →
AMCR
United States$21.2bn0.035%+0.004 pp-0.171 pp+12.9%Yes
International Paper →
IP
United States$20.1bn0.033%+0.003 pp-0.021 pp-19.9%Yes
Smurfit Westrock →
SW
United States$24.6bn0.041%+0.004 pp-0.010 pp+2.0%Yes
Packaging Corporation of America →
PKG
United States$20.8bn0.035%+0.001 pp-0.006 pp+10.0%No
Avery Dennison →
AVY
United States$13.2bn0.022%+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.