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 Banks7.78%-0.66 ppTransaction & Payment Processing Services1.71%+0.18 ppFinancial Exchanges & Data0.98%+0.14 ppInvestment Banking & Brokerage1.57%-0.05 ppLife & Health Insurance0.90%+0.05 ppAsset Management & Custody Banks1.17%-0.05 ppMulti-line Insurance0.41%-0.04 ppProperty & Casualty Insurance1.18%-0.04 ppRegional Banks0.75%-0.04 ppInsurance Brokers0.53%+0.01 ppConsumer Finance0.95%-0.01 ppReinsurance0.06%+0.00 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.41%
Industry change · 12M
-0.04 pp
Multi-line Insurance · contribution
-0.043 pp
Company participation
33%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $47.4bn | 0.288% | -0.023 pp | -0.040 pp | -16.9% | No |
| Loews Corporation → L | United States | $15.6bn | 0.095% | -0.003 pp | -0.004 pp | -5.1% | No |
| Assurant → AIZ | United States | $4.9bn | 0.030% | +0.003 pp | +0.002 pp | +3.3% | 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.