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
Asset Management & Custody Banks1.44%+0.72 ppDiversified Banks3.65%-0.24 ppTransaction & Payment Processing Services1.18%-0.11 ppInvestment Banking & Brokerage1.28%+0.10 ppLife & Health Insurance0.42%-0.06 ppInsurance Brokers0.80%+0.04 ppMulti-line Insurance0.18%-0.04 ppRegional Banks0.30%-0.04 ppConsumer Finance0.66%-0.04 ppProperty & Casualty Insurance1.22%+0.03 ppReinsurance0.04%-0.01 ppFinancial Exchanges & Data1.12%+0.01 ppMulti-Sector Holdings0.00%+0.00 pp
3 · Sub-industry
Inside Multi-line Insurance
Multi-line Insurance · weight
0.18%
Industry change · 12M
-0.04 pp
Multi-line Insurance · contribution
-0.039 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2025 · 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 | $48.4bn | 0.116% | +0.014 pp | -0.032 pp | +10.6% | Yes |
| Loews Corporation → L | United States | $18.5bn | 0.044% | +0.003 pp | -0.004 pp | +15.9% | Yes |
| Assurant → AIZ | United States | $9.8bn | 0.024% | -0.001 pp | -0.003 pp | +12.2% | 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.