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 Banks6.46%+2.34 ppTransaction & Payment Processing Services2.23%+1.23 ppProperty & Casualty Insurance1.24%+0.60 ppFinancial Exchanges & Data1.05%+0.53 ppConsumer Finance0.87%+0.36 ppInvestment Banking & Brokerage1.10%+0.33 ppInsurance Brokers0.60%+0.30 ppLife & Health Insurance0.77%+0.29 ppAsset Management & Custody Banks0.81%+0.25 ppRegional Banks0.56%+0.18 ppMulti-line Insurance0.38%+0.16 ppReinsurance0.06%+0.03 ppMulti-Sector Holdings0.00%+0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.38%
Industry change · 12M
+0.16 pp
Multi-line Insurance · contribution
+0.158 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $48.5bn | 0.257% | +0.008 pp | +0.107 pp | +7.5% | Yes |
| Loews Corporation → L | United States | $15.6bn | 0.083% | -0.007 pp | +0.032 pp | +3.0% | No |
| Assurant → AIZ | United States | $7.7bn | 0.041% | +0.006 pp | +0.019 pp | +19.3% | 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.