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
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Consumer Discretionary
Consumer Electronics44.84%+44.77 ppHome Improvement Retail0.96%-0.87 ppRestaurants0.92%-0.54 ppHotels, Resorts & Cruise Lines0.42%-0.52 ppAutomobile Manufacturers0.27%-0.31 ppBroadline Retail0.23%-0.21 ppApparel, Accessories & Luxury Goods0.26%-0.15 ppCasinos & Gaming0.08%-0.13 ppAutomotive Parts & Equipment0.06%-0.09 ppHomebuilding0.07%-0.09 ppComputer & Electronics Retail0.05%-0.07 ppAutomotive Retail0.08%-0.05 ppDistributors0.05%-0.04 ppLeisure Products0.04%-0.03 ppOther Specialty Retail0.06%-0.03 ppApparel Retail0.31%-0.02 ppFootwear0.00%+0.00 ppHomefurnishing Retail0.00%+0.00 pp
3 · Sub-industry
Inside Automobile Manufacturers
Automobile Manufacturers · weight
0.27%
Industry change · 12M
-0.31 pp
Automobile Manufacturers · contribution
-0.306 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2018 · 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 |
|---|---|---|---|---|---|---|---|
| General Motors → GM | United States | $47.2bn | 0.169% | +0.017 pp | -0.175 pp | -17.9% | No |
| Ford Motor Company → F | United States | $28.5bn | 0.102% | -0.008 pp | -0.131 pp | -27.0% | 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.