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 Technology26.9%+26.90 ppHealth Care15.8%+15.74 ppIndustrials12.3%+12.31 ppConsumer Discretionary7.4%+7.35 ppConsumer Staples7.1%+7.09 ppCommunication Services4.5%+4.49 ppMaterials3.3%+3.27 ppReal Estate3.1%+3.13 ppUtilities3.0%+2.97 ppEnergy2.4%+2.40 ppFinancials14.3%-85.64 pp

2 · Industry

Inside Industrials

Aerospace & Defense4.22%+4.21 ppIndustrial Machinery & Supplies & Components1.14%+1.14 ppIndustrial Conglomerates1.05%+1.05 ppAir Freight & Logistics0.87%+0.87 ppRail Transportation0.84%+0.84 ppConstruction Machinery & Heavy Transportation Equipment0.67%+0.67 ppElectrical Components & Equipment0.64%+0.64 ppBuilding Products0.59%+0.59 ppHuman Resource & Employment Services0.43%+0.43 ppEnvironmental & Facilities Services0.39%+0.39 ppAgricultural & Farm Machinery0.39%+0.39 ppPassenger Airlines0.27%+0.27 ppResearch & Consulting Services0.20%+0.20 ppTrading Companies & Distributors0.13%+0.13 ppDiversified Support Services0.11%+0.11 ppCargo Ground Transportation0.11%+0.11 ppConstruction & Engineering0.10%+0.10 ppHeavy Electrical Equipment0.09%+0.09 ppData Processing & Outsourced Services0.07%+0.07 ppPassenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.43%+0.434 pp
Concentrated

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

View all contributions →
Human Resource & Employment Services · weight
0.43%
Industry change · 12M
+0.43 pp
Human Resource & Employment Services · contribution
+0.434 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 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$84.5bn0.298%+0.141 pp+0.298 pp+36.3%Yes
Paychex →
PAYX
United States$38.7bn0.137%+0.067 pp+0.136 pp+45.9%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.