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›Insurance Brokers›Insurance Brokers

1 · Sector

Weight and 12M allocation change

Communication Services5.0%+1.82 ppConsumer Staples9.1%+0.76 ppMaterials2.8%+0.64 ppUtilities3.9%+0.57 ppHealth Care17.2%+0.54 ppReal Estate3.9%+0.51 ppConsumer Discretionary7.0%-0.07 ppInformation Technology17.6%-0.07 ppEnergy3.9%-1.29 ppFinancials16.3%-1.64 ppIndustrials13.4%-1.77 pp

2 · Industry

Inside Financials

Diversified Banks6.48%-1.30 ppTransaction & Payment Processing Services2.12%+0.42 ppInvestment Banking & Brokerage1.16%-0.41 ppAsset Management & Custody Banks0.85%-0.31 ppRegional Banks0.58%-0.17 ppInsurance Brokers0.63%+0.10 ppProperty & Casualty Insurance1.27%+0.09 ppLife & Health Insurance0.84%-0.06 ppFinancial Exchanges & Data1.04%+0.06 ppMulti-line Insurance0.39%-0.03 ppConsumer Finance0.93%-0.02 ppReinsurance0.06%+0.00 ppMulti-Sector Holdings0.00%-0.00 pp

3 · Sub-industry

Inside Insurance Brokers

Insurance Brokers0.63%+0.097 pp
Concentrated

Most of this industry's gains came from a few companies.

View all contributions →
Insurance Brokers · weight
0.63%
Industry change · 12M
+0.10 pp
Insurance Brokers · contribution
+0.097 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Aon plc →
AON
United States$43.3bn0.252%+0.014 pp+0.045 pp+30.4%Yes
Marsh McLennan →
MRSH
United States$48.5bn0.282%+0.010 pp+0.035 pp+21.3%Yes
Arthur J. Gallagher & Co. →
AJG
United States$15.6bn0.091%+0.005 pp+0.018 pp+29.1%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.