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 Financials
Diversified Banks4.17%-4.27 ppInvestment Banking & Brokerage0.80%-0.82 ppAsset Management & Custody Banks0.54%-0.67 ppProperty & Casualty Insurance0.66%-0.57 ppTransaction & Payment Processing Services0.98%-0.54 ppConsumer Finance0.51%-0.44 ppRegional Banks0.38%-0.40 ppLife & Health Insurance0.46%-0.38 ppFinancial Exchanges & Data0.54%-0.31 ppMulti-line Insurance0.19%-0.26 ppInsurance Brokers0.32%-0.20 ppReinsurance0.03%-0.02 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Diversified Banks
Diversified Banks · weight
4.17%
Industry change · 12M
-4.27 pp
Diversified Banks · contribution
-4.268 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 |
|---|---|---|---|---|---|---|---|
| JPMorgan Chase → JPM | United States | $362.5bn | 1.229% | -1.054 pp | -1.060 pp | -4.1% | No |
| Bank of America → BAC | United States | $269.9bn | 0.915% | -0.884 pp | -0.989 pp | -13.0% | No |
| Wells Fargo → WFC | United States | $256.4bn | 0.869% | -0.759 pp | -0.979 pp | -17.4% | No |
| Citigroup → C | United States | $159.9bn | 0.542% | -0.513 pp | -0.642 pp | -15.3% | No |
| U.S. Bancorp → USB | United States | $85.2bn | 0.289% | -0.219 pp | -0.252 pp | -6.8% | No |
| PNC Financial Services → PNC | United States | $59.7bn | 0.202% | -0.194 pp | -0.227 pp | -17.1% | No |
| Truist Financial → TFC | United States | $37.9bn | 0.128% | -0.101 pp | -0.120 pp | -9.0% | 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.