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
Universe›Financials›Asset Management & Custody Banks›Asset Management & Custody Banks
Asset Management & Custody Banks · weight
1.45%
Industry change · 12M
+0.49 pp
Asset Management & Custody Banks · contribution
+0.491 pp
Company participation
55%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
BlackRock →
BLK
United States$180.6bn0.362%+0.011 pp+0.362 pp+25.3%Yes
Apollo Global Management →
APO
United States$76.2bn0.153%-0.022 pp+0.153 pp+8.1%No
KKR & Co. →
KKR
United States$115.8bn0.232%-0.024 pp-0.038 pp+0.1%No
BNY Mellon →
BNY
United States$76.8bn0.154%+0.013 pp+0.030 pp+55.2%Yes
Ameriprise Financial →
AMP
United States$46.3bn0.093%-0.017 pp-0.015 pp+5.8%No
T. Rowe Price →
TROW
United States$22.6bn0.045%-0.001 pp-0.011 pp-1.0%No
Northern Trust →
NTRS
United States$25.7bn0.052%-0.002 pp+0.009 pp+53.7%Yes
Blackstone Inc. →
BX
United States$125.9bn0.252%+0.017 pp-0.005 pp+14.6%Yes
State Street Corporation →
STT
United States$32.9bn0.066%+0.000 pp+0.004 pp+35.4%Yes
Invesco →
IVZ
United States$10.2bn0.020%+0.005 pp+0.002 pp+36.8%Yes
Franklin Resources →
BEN
United States$12.0bn0.024%-0.003 pp-0.000 pp+21.9%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.