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 Banks3.28%-0.51 ppInvestment Banking & Brokerage1.11%-0.23 ppTransaction & Payment Processing Services1.29%-0.23 ppRegional Banks0.31%-0.16 ppConsumer Finance0.54%-0.07 ppAsset Management & Custody Banks0.49%-0.07 ppLife & Health Insurance0.50%-0.05 ppFinancial Exchanges & Data1.15%+0.05 ppInsurance Brokers0.82%+0.04 ppMulti-line Insurance0.20%-0.02 ppReinsurance0.05%+0.01 ppProperty & Casualty Insurance0.97%+0.00 ppMulti-Sector Holdings0.00%+0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.20%
Industry change · 12M
-0.02 pp
Multi-line Insurance · contribution
-0.018 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2023 · 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 | $41.7bn | 0.133% | +0.038 pp | -0.008 pp | +15.8% | Yes |
| Assurant → AIZ | United States | $7.4bn | 0.024% | +0.008 pp | -0.007 pp | -10.2% | Yes |
| Loews Corporation → L | United States | $14.0bn | 0.045% | +0.013 pp | -0.003 pp | +12.7% | 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.