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 Banks4.12%-4.32 ppInvestment Banking & Brokerage0.77%-0.85 ppAsset Management & Custody Banks0.57%-0.65 ppProperty & Casualty Insurance0.65%-0.58 ppTransaction & Payment Processing Services0.99%-0.53 ppConsumer Finance0.51%-0.45 ppRegional Banks0.38%-0.41 ppLife & Health Insurance0.48%-0.36 ppFinancial Exchanges & Data0.52%-0.32 ppMulti-line Insurance0.22%-0.23 ppInsurance Brokers0.30%-0.22 ppReinsurance0.03%-0.02 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.22%
Industry change · 12M
-0.23 pp
Multi-line Insurance · contribution
-0.232 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2018 · 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 | $47.3bn | 0.151% | -0.138 pp | -0.177 pp | -15.2% | No |
| Loews Corporation → L | United States | $15.9bn | 0.051% | -0.043 pp | -0.049 pp | -2.4% | No |
| Assurant → AIZ | United States | $6.8bn | 0.022% | -0.011 pp | -0.006 pp | +20.1% | 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.