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›Consumer Staples›Food Retail›Food Retail
Food Retail · weight
0.12%
Industry change · 12M
+0.01 pp
Food Retail · contribution
+0.013 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2026 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Casey's →
CASY
United States$28.4bn0.049%+0.049 pp+0.049 pp+75.9%Yes
Kroger →
KR
United States$38.1bn0.066%+0.007 pp-0.036 pp-7.0%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.