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 Discretionary52.2%+52.24 ppInformation Technology13.5%+13.45 ppHealth Care8.1%+8.05 ppFinancials7.4%+7.34 ppIndustrials6.6%+6.58 ppConsumer Staples3.8%+3.78 ppCommunication Services2.4%+2.43 ppMaterials1.7%+1.66 ppReal Estate1.5%+1.53 ppEnergy1.2%+1.20 ppUtilities1.7%-98.26 pp

2 · Industry

Inside Industrials

Aerospace & Defense2.26%+2.26 ppIndustrial Machinery & Supplies & Components0.61%+0.60 ppIndustrial Conglomerates0.58%+0.58 ppRail Transportation0.47%+0.47 ppAir Freight & Logistics0.42%+0.42 ppConstruction Machinery & Heavy Transportation Equipment0.39%+0.39 ppElectrical Components & Equipment0.33%+0.33 ppBuilding Products0.30%+0.30 ppAgricultural & Farm Machinery0.23%+0.23 ppHuman Resource & Employment Services0.23%+0.23 ppEnvironmental & Facilities Services0.20%+0.20 ppPassenger Airlines0.17%+0.17 ppResearch & Consulting Services0.10%+0.10 ppTrading Companies & Distributors0.07%+0.07 ppDiversified Support Services0.06%+0.06 ppCargo Ground Transportation0.05%+0.05 ppConstruction & Engineering0.05%+0.05 ppHeavy Electrical Equipment0.04%+0.04 ppData Processing & Outsourced Services0.03%+0.03 ppPassenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.23%+0.226 pp
Concentrated

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

View all contributions →
Human Resource & Employment Services · weight
0.23%
Industry change · 12M
+0.23 pp
Human Resource & Employment Services · contribution
+0.226 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Automatic Data Processing →
ADP
United States$80.7bn0.158%-0.148 pp+0.157 pp+41.1%No
Paychex →
PAYX
United States$35.3bn0.069%-0.067 pp+0.069 pp+61.0%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.