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 Financial Exchanges & Data
Financial Exchanges & Data · weight
0.63%
Industry change · 12M
-0.51 pp
Financial Exchanges & Data · contribution
-0.507 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 |
|---|---|---|---|---|---|---|---|
| S&P Global → SPGI | United States | $120.2bn | 0.175% | -0.118 pp | -0.179 pp | -15.6% | No |
| Intercontinental Exchange → ICE | United States | $89.3bn | 0.130% | -0.051 pp | -0.105 pp | -7.8% | No |
| Moody's Corporation → MCO | United States | $77.3bn | 0.113% | -0.066 pp | -0.086 pp | -5.6% | No |
| MSCI → MSCI | United States | $39.6bn | 0.058% | -0.027 pp | -0.047 pp | -3.4% | No |
| Nasdaq, Inc. → NDAQ | United States | $48.3bn | 0.070% | -0.038 pp | -0.033 pp | +13.3% | No |
| FactSet → FDS | United States | $8.1bn | 0.012% | -0.010 pp | -0.029 pp | -51.6% | No |
| Cboe Global Markets → CBOE | United States | $29.4bn | 0.043% | -0.009 pp | -0.013 pp | +24.9% | No |
| CME Group → CME | United States | $19.7bn | 0.029% | -0.007 pp | -0.013 pp | +15.6% | 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.