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 Financial Exchanges & Data
Financial Exchanges & Data · weight
0.72%
Industry change · 12M
-0.23 pp
Financial Exchanges & Data · contribution
-0.227 pp
Company participation
50%
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 |
|---|---|---|---|---|---|---|---|
| S&P Global → SPGI | United States | $116.8bn | 0.196% | -0.002 pp | -0.085 pp | -13.6% | No |
| Intercontinental Exchange → ICE | United States | $85.3bn | 0.143% | +0.022 pp | -0.050 pp | -8.6% | Yes |
| Moody's Corporation → MCO | United States | $78.7bn | 0.132% | -0.005 pp | -0.039 pp | -3.9% | No |
| MSCI → MSCI | United States | $39.2bn | 0.066% | -0.005 pp | -0.022 pp | -3.7% | No |
| Nasdaq, Inc. → NDAQ | United States | $51.4bn | 0.086% | +0.009 pp | -0.015 pp | +5.4% | Yes |
| CME Group → CME | United States | $17.5bn | 0.029% | +0.004 pp | -0.007 pp | +0.7% | Yes |
| FactSet → FDS | United States | $9.6bn | 0.016% | +0.002 pp | -0.006 pp | -4.1% | Yes |
| Cboe Global Markets → CBOE | United States | $28.7bn | 0.048% | +0.004 pp | -0.003 pp | +13.1% | 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.