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 Asset Management & Custody Banks
Asset Management & Custody Banks · weight
0.90%
Industry change · 12M
-0.57 pp
Asset Management & Custody Banks · contribution
-0.569 pp
Company participation
8%
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 |
|---|---|---|---|---|---|---|---|
| BlackRock → BLK | United States | $149.0bn | 0.217% | -0.108 pp | -0.132 pp | +3.7% | No |
| KKR & Co. → KKR | United States | $82.5bn | 0.120% | -0.102 pp | -0.124 pp | -19.5% | No |
| Blackstone Inc. → BX | United States | $85.3bn | 0.124% | -0.099 pp | -0.118 pp | -14.9% | No |
| Apollo Global Management → APO | United States | $64.4bn | 0.094% | -0.071 pp | -0.092 pp | -17.4% | No |
| Ameriprise Financial → AMP | United States | $40.5bn | 0.059% | -0.030 pp | -0.051 pp | -7.0% | No |
| BNY Mellon → BNY | United States | $81.5bn | 0.119% | -0.040 pp | -0.024 pp | +44.5% | No |
| T. Rowe Price → TROW | United States | $19.7bn | 0.029% | -0.015 pp | -0.020 pp | +3.4% | No |
| Ares Management → ARES | United States | $11.3bn | 0.016% | -0.016 pp | +0.016 pp | -23.1% | Yes |
| State Street Corporation → STT | United States | $35.3bn | 0.051% | -0.019 pp | -0.010 pp | +45.6% | No |
| Northern Trust → NTRS | United States | $25.9bn | 0.038% | -0.013 pp | -0.008 pp | +45.0% | No |
| Franklin Resources → BEN | United States | $12.3bn | 0.018% | -0.006 pp | -0.006 pp | +29.7% | No |
| Invesco → IVZ | United States | $10.8bn | 0.016% | -0.007 pp | -0.000 pp | +66.7% | 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.