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 Technology41.0%+4.61 ppIndustrials10.3%+0.34 ppEnergy2.4%+0.09 ppMaterials2.1%-0.14 ppUtilities2.5%-0.22 ppReal Estate2.0%-0.28 ppConsumer Discretionary11.2%-0.41 ppHealth Care10.4%-0.48 ppCommunication Services2.2%-0.51 ppConsumer Staples5.7%-1.01 ppFinancials10.3%-1.99 pp

2 · Industry

Inside Industrials

Construction Machinery & Heavy Transportation Equipment1.21%+0.54 ppHeavy Electrical Equipment0.58%+0.25 ppConstruction & Engineering0.40%+0.24 ppElectrical Components & Equipment0.84%+0.21 ppHuman Resource & Employment Services0.22%-0.17 ppPassenger Ground Transportation0.26%-0.17 ppDiversified Support Services0.19%-0.15 ppEnvironmental & Facilities Services0.34%-0.14 ppAerospace & Defense2.45%-0.10 ppResearch & Consulting Services0.07%-0.09 ppIndustrial Conglomerates0.49%-0.08 ppIndustrial Machinery & Supplies & Components0.89%-0.08 ppBuilding Products0.54%-0.06 ppPassenger Airlines0.23%+0.06 ppTrading Companies & Distributors0.22%+0.06 ppData Processing & Outsourced Services0.03%-0.03 ppAir Freight & Logistics0.34%+0.03 ppCargo Ground Transportation0.13%+0.02 ppRail Transportation0.56%+0.00 ppAgricultural & Farm Machinery0.30%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.22%-0.166 pp
Concentrated

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

View all contributions →
Human Resource & Employment Services · weight
0.22%
Industry change · 12M
-0.17 pp
Human Resource & Employment Services · contribution
-0.166 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 2026 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Automatic Data Processing →
ADP
United States$89.5bn0.156%+0.036 pp-0.114 pp-25.4%Yes
Paychex →
PAYX
United States$35.2bn0.061%+0.013 pp-0.052 pp-29.6%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.