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 Banks3.62%-0.31 ppInvestment Banking & Brokerage1.17%-0.24 ppAsset Management & Custody Banks0.77%+0.19 ppProperty & Casualty Insurance1.03%-0.14 ppLife & Health Insurance0.49%-0.12 ppRegional Banks0.33%-0.11 ppTransaction & Payment Processing Services1.26%-0.11 ppInsurance Brokers0.73%-0.09 ppFinancial Exchanges & Data1.21%+0.06 ppMulti-line Insurance0.21%-0.03 ppConsumer Finance0.60%+0.02 ppReinsurance0.05%-0.00 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.21%
Industry change · 12M
-0.03 pp
Multi-line Insurance · contribution
-0.029 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $47.6bn | 0.142% | -0.002 pp | -0.028 pp | +9.8% | Yes |
| Loews Corporation → L | United States | $15.5bn | 0.046% | -0.001 pp | -0.004 pp | +19.8% | Yes |
| Assurant → AIZ | United States | $8.9bn | 0.026% | +0.001 pp | +0.003 pp | +37.5% | 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.