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
Latest available · not live
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Financials
Diversified Banks3.30%-0.54 ppAsset Management & Custody Banks1.15%-0.30 ppTransaction & Payment Processing Services0.64%-0.26 ppInsurance Brokers0.41%-0.23 ppFinancial Exchanges & Data0.72%-0.23 ppConsumer Finance0.58%-0.21 ppProperty & Casualty Insurance0.83%-0.18 ppInvestment Banking & Brokerage1.28%-0.13 ppLife & Health Insurance0.32%-0.04 ppMulti-line Insurance0.12%-0.03 ppReinsurance0.02%-0.01 ppRegional Banks0.30%-0.00 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Property & Casualty Insurance
Property & Casualty Insurance · weight
0.83%
Industry change · 12M
-0.18 pp
Property & Casualty Insurance · contribution
-0.179 pp
Company participation
38%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $120.5bn | 0.202% | -0.019 pp | -0.087 pp | -10.6% | Yes |
| Hartford (The) → HIG | United States | $33.1bn | 0.056% | -0.007 pp | -0.019 pp | -6.6% | No |
| Allstate → ALL | United States | $56.1bn | 0.094% | -0.012 pp | -0.019 pp | +5.4% | No |
| W. R. Berkley Corporation → WRB | United States | $25.1bn | 0.042% | -0.004 pp | -0.016 pp | -9.4% | Yes |
| Arch Capital Group → ACGL | United States | $31.5bn | 0.053% | -0.006 pp | -0.015 pp | +1.8% | No |
| Chubb Limited → CB | United States | $126.2bn | 0.212% | -0.018 pp | -0.013 pp | +16.3% | No |
| Cincinnati Financial → CINF | United States | $24.5bn | 0.041% | -0.009 pp | -0.008 pp | +3.1% | No |
| Travelers Companies (The) → TRV | United States | $74.4bn | 0.125% | +0.003 pp | -0.001 pp | +29.6% | 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.