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›Industrials›Human Resource & Employment Services›Human Resource & Employment Services

1 · Sector

Weight and 12M allocation change

Information Technology17.9%+7.76 ppHealth Care16.6%+6.64 ppFinancials15.9%+6.02 ppIndustrials13.4%+5.24 ppConsumer Staples9.3%+4.44 ppCommunication Services5.4%+3.44 ppReal Estate4.0%+2.04 ppUtilities3.9%+2.00 ppMaterials2.9%+1.73 ppEnergy3.6%+0.89 ppConsumer Discretionary7.2%-40.20 pp

2 · Industry

Inside Industrials

Aerospace & Defense5.20%+1.75 ppIndustrial Conglomerates1.41%+0.71 ppIndustrial Machinery & Supplies & Components0.95%+0.39 ppRail Transportation0.97%+0.38 ppHuman Resource & Employment Services0.56%+0.27 ppEnvironmental & Facilities Services0.47%+0.27 ppConstruction Machinery & Heavy Transportation Equipment0.65%+0.25 ppAir Freight & Logistics0.77%+0.23 ppBuilding Products0.44%+0.19 ppElectrical Components & Equipment0.59%+0.19 ppPassenger Airlines0.48%+0.15 ppResearch & Consulting Services0.24%+0.12 ppAgricultural & Farm Machinery0.27%+0.12 ppDiversified Support Services0.13%+0.10 ppTrading Companies & Distributors0.09%+0.04 ppConstruction & Engineering0.08%+0.04 ppData Processing & Outsourced Services0.08%+0.03 ppCargo Ground Transportation0.06%+0.02 ppHeavy Electrical Equipment0.00%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.56%+0.268 pp
Concentrated

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

View all contributions →
Human Resource & Employment Services · weight
0.56%
Industry change · 12M
+0.27 pp
Human Resource & Employment Services · contribution
+0.268 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Automatic Data Processing →
ADP
United States$73.7bn0.401%-0.005 pp+0.193 pp+18.1%Yes
Paychex →
PAYX
United States$29.4bn0.160%-0.020 pp+0.075 pp+15.1%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.