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
Transaction & Payment Processing Services0.73%-0.50 ppAsset Management & Custody Banks1.38%-0.30 ppInvestment Banking & Brokerage1.51%+0.26 ppInsurance Brokers0.55%-0.15 ppDiversified Banks3.74%-0.14 ppProperty & Casualty Insurance0.92%-0.12 ppFinancial Exchanges & Data0.96%-0.12 ppLife & Health Insurance0.35%-0.08 ppConsumer Finance0.78%+0.05 ppMulti-line Insurance0.14%-0.03 ppRegional Banks0.32%-0.01 ppReinsurance0.03%-0.01 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Diversified Banks
Diversified Banks · weight
3.74%
Industry change · 12M
-0.14 pp
Diversified Banks · contribution
-0.136 pp
Company participation
57%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 |
|---|---|---|---|---|---|---|---|
| JPMorgan Chase → JPM | United States | $832.7bn | 1.593% | -0.083 pp | -0.080 pp | +16.8% | No |
| Citigroup → C | United States | $207.0bn | 0.396% | +0.031 pp | +0.054 pp | +46.0% | Yes |
| Bank of America → BAC | United States | $388.5bn | 0.743% | -0.021 pp | -0.047 pp | +17.6% | No |
| Wells Fargo → WFC | United States | $284.1bn | 0.543% | +0.009 pp | -0.040 pp | +17.3% | No |
| Truist Financial → TFC | United States | $65.8bn | 0.126% | +0.014 pp | -0.015 pp | +13.3% | Yes |
| PNC Financial Services → PNC | United States | $87.6bn | 0.168% | +0.027 pp | -0.010 pp | +15.2% | Yes |
| U.S. Bancorp → USB | United States | $87.2bn | 0.167% | +0.025 pp | +0.001 pp | +22.6% | 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.