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 Banks3.54%-0.33 ppTransaction & Payment Processing Services0.68%-0.30 ppFinancial Exchanges & Data0.77%-0.27 ppAsset Management & Custody Banks1.30%-0.21 ppConsumer Finance0.63%-0.21 ppInsurance Brokers0.47%-0.20 ppProperty & Casualty Insurance0.87%-0.15 ppLife & Health Insurance0.33%-0.04 ppInvestment Banking & Brokerage1.44%+0.03 ppMulti-line Insurance0.13%-0.03 ppReinsurance0.02%-0.01 ppRegional Banks0.32%-0.00 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Property & Casualty Insurance
Property & Casualty Insurance · weight
0.87%
Industry change · 12M
-0.15 pp
Property & Casualty Insurance · contribution
-0.151 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2026 · 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 |
|---|---|---|---|---|---|---|---|
| Progressive Corporation → PGR | United States | $126.8bn | 0.211% | +0.018 pp | -0.089 pp | -6.0% | Yes |
| Hartford (The) → HIG | United States | $37.2bn | 0.062% | +0.002 pp | -0.015 pp | +5.6% | Yes |
| Arch Capital Group → ACGL | United States | $33.5bn | 0.056% | +0.002 pp | -0.015 pp | +7.1% | Yes |
| W. R. Berkley Corporation → WRB | United States | $25.1bn | 0.042% | +0.001 pp | -0.015 pp | -3.2% | Yes |
| Chubb Limited → CB | United States | $131.3bn | 0.219% | +0.009 pp | -0.009 pp | +23.8% | Yes |
| Cincinnati Financial → CINF | United States | $26.1bn | 0.043% | +0.001 pp | -0.006 pp | +13.1% | Yes |
| Allstate → ALL | United States | $65.2bn | 0.109% | +0.017 pp | -0.003 pp | +29.2% | Yes |
| Travelers Companies (The) → TRV | United States | $76.3bn | 0.127% | +0.020 pp | +0.000 pp | +36.9% | 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.