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 Banks2.53%-1.29 ppTransaction & Payment Processing Services0.51%-0.71 ppAsset Management & Custody Banks0.87%-0.66 ppFinancial Exchanges & Data0.62%-0.49 ppProperty & Casualty Insurance0.70%-0.44 ppInsurance Brokers0.38%-0.43 ppInvestment Banking & Brokerage0.99%-0.32 ppConsumer Finance0.49%-0.21 ppLife & Health Insurance0.24%-0.19 ppRegional Banks0.25%-0.07 ppMulti-line Insurance0.11%-0.07 ppReinsurance0.02%-0.02 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Regional Banks
Regional Banks · weight
0.25%
Industry change · 12M
-0.07 pp
Regional Banks · contribution
-0.073 pp
Company participation
17%
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 |
|---|---|---|---|---|---|---|---|
| M&T Bank → MTB | United States | $32.3bn | 0.044% | -0.013 pp | -0.026 pp | +16.6% | No |
| Regions Financial Corporation → RF | United States | $24.0bn | 0.033% | -0.011 pp | -0.015 pp | +22.5% | No |
| KeyCorp → KEY | United States | $22.6bn | 0.031% | -0.008 pp | -0.012 pp | +25.5% | No |
| Citizens Financial Group → CFG | United States | $25.6bn | 0.035% | -0.011 pp | -0.010 pp | +36.3% | No |
| Huntington Bancshares → HBAN | United States | $34.1bn | 0.047% | +0.000 pp | -0.007 pp | +6.0% | No |
| Fifth Third Bancorp → FITB | United States | $44.6bn | 0.061% | +0.005 pp | -0.003 pp | +18.0% | 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.