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 Banks2.63%-1.07 ppTransaction & Payment Processing Services0.51%-0.73 ppAsset Management & Custody Banks0.90%-0.57 ppProperty & Casualty Insurance0.70%-0.54 ppFinancial Exchanges & Data0.63%-0.51 ppInsurance Brokers0.38%-0.49 ppInvestment Banking & Brokerage1.03%-0.22 ppLife & Health Insurance0.24%-0.20 ppConsumer Finance0.50%-0.16 ppMulti-line Insurance0.11%-0.09 ppRegional Banks0.25%-0.06 ppReinsurance0.02%-0.02 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Property & Casualty Insurance
Property & Casualty Insurance · weight
0.70%
Industry change · 12M
-0.54 pp
Property & Casualty Insurance · contribution
-0.542 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $116.2bn | 0.169% | -0.092 pp | -0.225 pp | -25.4% | No |
| Chubb Limited → CB | United States | $127.2bn | 0.185% | -0.055 pp | -0.102 pp | +8.6% | No |
| Allstate → ALL | United States | $53.8bn | 0.078% | -0.028 pp | -0.052 pp | +2.1% | No |
| Travelers Companies (The) → TRV | United States | $63.1bn | 0.092% | -0.035 pp | -0.051 pp | +12.0% | No |
| Arch Capital Group → ACGL | United States | $34.2bn | 0.050% | -0.018 pp | -0.036 pp | -0.2% | No |
| Hartford (The) → HIG | United States | $37.3bn | 0.054% | -0.021 pp | -0.030 pp | +11.1% | No |
| W. R. Berkley Corporation → WRB | United States | $24.8bn | 0.036% | -0.016 pp | -0.028 pp | -4.4% | No |
| Cincinnati Financial → CINF | United States | $24.5bn | 0.036% | -0.014 pp | -0.019 pp | +9.0% | 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.