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 Banks2.64%-1.01 ppTransaction & Payment Processing Services0.50%-0.68 ppProperty & Casualty Insurance0.66%-0.56 ppFinancial Exchanges & Data0.60%-0.52 ppAsset Management & Custody Banks0.94%-0.50 ppInsurance Brokers0.33%-0.46 ppInvestment Banking & Brokerage1.05%-0.23 ppLife & Health Insurance0.24%-0.18 ppConsumer Finance0.50%-0.17 ppMulti-line Insurance0.10%-0.08 ppRegional Banks0.26%-0.04 ppReinsurance0.02%-0.02 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.10%
Industry change · 12M
-0.08 pp
Multi-line Insurance · contribution
-0.082 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 |
|---|---|---|---|---|---|---|---|
| American International Group → AIG | United States | $40.1bn | 0.054% | -0.023 pp | -0.062 pp | -6.2% | No |
| Loews Corporation → L | United States | $23.2bn | 0.031% | -0.010 pp | -0.013 pp | +30.0% | No |
| Assurant → AIZ | United States | $11.7bn | 0.016% | -0.007 pp | -0.008 pp | +24.5% | 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.