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 Asset Management & Custody Banks
Asset Management & Custody Banks · weight
1.15%
Industry change · 12M
-0.30 pp
Asset Management & Custody Banks · contribution
-0.304 pp
Company participation
25%
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 |
|---|---|---|---|---|---|---|---|
| Blackstone Inc. → BX | United States | $84.1bn | 0.141% | -0.011 pp | -0.111 pp | -31.7% | No |
| KKR & Co. → KKR | United States | $82.0bn | 0.138% | -0.006 pp | -0.094 pp | -29.2% | No |
| BlackRock → BLK | United States | $164.0bn | 0.275% | +0.017 pp | -0.086 pp | -7.3% | Yes |
| Apollo Global Management → APO | United States | $68.5bn | 0.115% | -0.003 pp | -0.037 pp | -11.5% | No |
| Ares Management → ARES | United States | $12.0bn | 0.020% | +0.000 pp | +0.020 pp | -24.3% | No |
| Ameriprise Financial → AMP | United States | $43.5bn | 0.073% | +0.001 pp | -0.020 pp | +1.6% | No |
| State Street Corporation → STT | United States | $48.0bn | 0.081% | -0.001 pp | +0.015 pp | +54.4% | Yes |
| BNY Mellon → BNY | United States | $98.1bn | 0.165% | -0.008 pp | +0.011 pp | +35.2% | No |
| T. Rowe Price → TROW | United States | $22.2bn | 0.037% | -0.005 pp | -0.008 pp | +6.7% | No |
| Franklin Resources → BEN | United States | $16.3bn | 0.027% | -0.003 pp | +0.003 pp | +45.7% | No |
| Invesco → IVZ | United States | $13.3bn | 0.022% | +0.002 pp | +0.002 pp | +35.7% | Yes |
| Northern Trust → NTRS | United States | $31.0bn | 0.052% | -0.004 pp | +0.001 pp | +28.5% | 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.