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 Services0.62%-0.51 ppDiversified Banks3.22%-0.49 ppProperty & Casualty Insurance0.80%-0.40 ppInsurance Brokers0.41%-0.37 ppFinancial Exchanges & Data0.77%-0.35 ppAsset Management & Custody Banks1.18%-0.25 ppInvestment Banking & Brokerage1.41%+0.10 ppLife & Health Insurance0.31%-0.08 ppConsumer Finance0.62%-0.06 ppMulti-line Insurance0.13%-0.05 ppRegional Banks0.32%+0.02 ppReinsurance0.02%-0.01 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Financial Exchanges & Data
Financial Exchanges & Data · weight
0.77%
Industry change · 12M
-0.35 pp
Financial Exchanges & Data · contribution
-0.345 pp
Company participation
63%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $118.7bn | 0.206% | +0.034 pp | -0.131 pp | -16.6% | No |
| Intercontinental Exchange → ICE | United States | $83.6bn | 0.145% | +0.017 pp | -0.089 pp | -16.8% | No |
| Moody's Corporation → MCO | United States | $79.2bn | 0.137% | +0.021 pp | -0.058 pp | -4.6% | No |
| FactSet → FDS | United States | $8.9bn | 0.015% | +0.004 pp | -0.024 pp | -45.5% | Yes |
| MSCI → MSCI | United States | $46.0bn | 0.080% | +0.022 pp | -0.019 pp | +13.5% | Yes |
| Nasdaq, Inc. → NDAQ | United States | $52.3bn | 0.091% | +0.022 pp | -0.018 pp | +12.1% | Yes |
| CME Group → CME | United States | $18.2bn | 0.032% | +0.002 pp | -0.012 pp | -1.7% | Yes |
| Cboe Global Markets → CBOE | United States | $34.9bn | 0.060% | +0.017 pp | +0.006 pp | +46.2% | 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.