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 Banks6.84%-1.63 ppInvestment Banking & Brokerage1.24%-0.45 ppTransaction & Payment Processing Services1.97%+0.43 ppAsset Management & Custody Banks0.95%-0.28 ppRegional Banks0.63%-0.17 ppMulti-line Insurance0.34%-0.09 ppFinancial Exchanges & Data0.97%+0.08 ppConsumer Finance0.89%-0.07 ppInsurance Brokers0.60%+0.06 ppProperty & Casualty Insurance1.17%-0.03 ppReinsurance0.05%-0.01 ppLife & Health Insurance0.83%-0.00 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.34%
Industry change · 12M
-0.09 pp
Multi-line Insurance · contribution
-0.094 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2019 · 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 | $37.6bn | 0.218% | +0.091 pp | -0.092 pp | -22.7% | Yes |
| Loews Corporation → L | United States | $14.8bn | 0.086% | +0.036 pp | -0.011 pp | -3.0% | Yes |
| Assurant → AIZ | United States | $6.4bn | 0.037% | +0.017 pp | +0.010 pp | +23.4% | 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.