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
Transaction & Payment Processing Services0.81%-0.38 ppDiversified Banks3.93%+0.33 ppInvestment Banking & Brokerage1.48%+0.33 ppAsset Management & Custody Banks1.43%-0.18 ppConsumer Finance0.86%+0.17 ppInsurance Brokers0.57%-0.12 ppFinancial Exchanges & Data0.95%-0.10 ppProperty & Casualty Insurance0.98%-0.08 ppLife & Health Insurance0.35%-0.06 ppMulti-line Insurance0.16%-0.01 ppRegional Banks0.31%-0.01 ppReinsurance0.03%-0.01 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Property & Casualty Insurance
Property & Casualty Insurance · weight
0.98%
Industry change · 12M
-0.08 pp
Property & Casualty Insurance · contribution
-0.082 pp
Company participation
63%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 |
|---|---|---|---|---|---|---|---|
| Progressive Corporation → PGR | United States | $133.5bn | 0.262% | -0.028 pp | -0.057 pp | -3.0% | No |
| Chubb Limited → CB | United States | $122.8bn | 0.241% | +0.015 pp | -0.012 pp | +13.7% | Yes |
| Arch Capital Group → ACGL | United States | $34.8bn | 0.068% | +0.000 pp | -0.011 pp | +3.9% | Yes |
| Allstate → ALL | United States | $54.5bn | 0.107% | -0.007 pp | -0.009 pp | +10.1% | No |
| Hartford (The) → HIG | United States | $38.4bn | 0.075% | +0.000 pp | +0.003 pp | +28.1% | Yes |
| Travelers Companies (The) → TRV | United States | $64.7bn | 0.127% | +0.001 pp | +0.003 pp | +22.4% | Yes |
| W. R. Berkley Corporation → WRB | United States | $26.6bn | 0.052% | -0.006 pp | +0.002 pp | +23.0% | No |
| Cincinnati Financial → CINF | United States | $25.5bn | 0.050% | +0.000 pp | -0.001 pp | +16.3% | 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.