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 Services0.73%-0.50 ppAsset Management & Custody Banks1.38%-0.30 ppInvestment Banking & Brokerage1.51%+0.26 ppInsurance Brokers0.55%-0.15 ppDiversified Banks3.74%-0.14 ppProperty & Casualty Insurance0.92%-0.12 ppFinancial Exchanges & Data0.96%-0.12 ppLife & Health Insurance0.35%-0.08 ppConsumer Finance0.78%+0.05 ppMulti-line Insurance0.14%-0.03 ppRegional Banks0.32%-0.01 ppReinsurance0.03%-0.01 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Property & Casualty Insurance
Property & Casualty Insurance · weight
0.92%
Industry change · 12M
-0.12 pp
Property & Casualty Insurance · contribution
-0.125 pp
Company participation
13%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 | $122.0bn | 0.233% | -0.003 pp | -0.088 pp | -10.1% | No |
| Allstate → ALL | United States | $52.1bn | 0.100% | +0.001 pp | -0.014 pp | +5.5% | No |
| Arch Capital Group → ACGL | United States | $34.8bn | 0.067% | +0.004 pp | -0.011 pp | +3.2% | No |
| Chubb Limited → CB | United States | $121.8bn | 0.233% | +0.020 pp | -0.011 pp | +14.6% | Yes |
| Travelers Companies (The) → TRV | United States | $63.5bn | 0.121% | +0.004 pp | -0.002 pp | +17.9% | No |
| Cincinnati Financial → CINF | United States | $25.1bn | 0.048% | +0.001 pp | +0.000 pp | +20.1% | No |
| Hartford (The) → HIG | United States | $37.6bn | 0.072% | +0.004 pp | +0.000 pp | +23.1% | No |
| W. R. Berkley Corporation → WRB | United States | $26.1bn | 0.050% | -0.003 pp | +0.000 pp | +19.7% | 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.