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

Consumer Discretionary11.4%+4.38 ppEnergy3.6%+0.25 ppConsumer Staples7.5%+0.07 ppUtilities3.3%-0.11 ppMaterials3.1%-0.19 ppIndustrials10.0%-0.23 ppReal Estate3.1%-0.29 ppCommunication Services3.2%-0.40 ppHealth Care16.5%-0.47 ppInformation Technology27.3%-1.33 ppFinancials11.1%-1.69 pp

2 · Industry

Inside Industrials

Rail Transportation0.80%-0.30 ppAerospace & Defense2.47%+0.11 ppIndustrial Machinery & Supplies & Components1.14%+0.11 ppIndustrial Conglomerates0.74%-0.11 ppConstruction Machinery & Heavy Transportation Equipment0.71%+0.08 ppAir Freight & Logistics0.73%-0.05 ppHeavy Electrical Equipment0.02%-0.04 ppPassenger Airlines0.19%-0.04 ppHuman Resource & Employment Services0.46%-0.03 ppDiversified Support Services0.14%+0.03 ppResearch & Consulting Services0.19%-0.03 ppElectrical Components & Equipment0.63%+0.02 ppEnvironmental & Facilities Services0.44%+0.02 ppAgricultural & Farm Machinery0.42%-0.01 ppConstruction & Engineering0.12%+0.01 ppBuilding Products0.50%+0.01 ppCargo Ground Transportation0.13%-0.00 ppData Processing & Outsourced Services0.06%-0.00 ppTrading Companies & Distributors0.15%+0.00 ppPassenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.46%-0.032 pp
Concentrated

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

View all contributions →
Human Resource & Employment Services · weight
0.46%
Industry change · 12M
-0.03 pp
Human Resource & Employment Services · contribution
-0.032 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Paychex →
PAYX
United States$41.3bn0.141%-0.009 pp-0.025 pp-13.8%No
Automatic Data Processing →
ADP
United States$92.2bn0.315%-0.043 pp-0.007 pp-0.2%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.