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 Technology28.6%+15.24 ppHealth Care16.6%+8.70 ppFinancials13.3%+6.14 ppIndustrials10.2%+4.03 ppConsumer Staples7.5%+3.95 ppEnergy3.1%+1.92 ppReal Estate3.2%+1.74 ppUtilities3.2%+1.64 ppMaterials3.2%+1.62 ppCommunication Services3.9%+1.42 ppConsumer Discretionary7.2%-46.41 pp

2 · Industry

Inside Industrials

Rail Transportation1.01%+0.57 ppIndustrial Machinery & Supplies & Components1.09%+0.53 ppAir Freight & Logistics0.79%+0.40 ppAerospace & Defense2.48%+0.34 ppIndustrial Conglomerates0.87%+0.32 ppElectrical Components & Equipment0.62%+0.30 ppBuilding Products0.52%+0.24 ppHuman Resource & Employment Services0.45%+0.23 ppEnvironmental & Facilities Services0.40%+0.21 ppConstruction Machinery & Heavy Transportation Equipment0.58%+0.20 ppAgricultural & Farm Machinery0.38%+0.16 ppResearch & Consulting Services0.19%+0.10 ppCargo Ground Transportation0.14%+0.09 ppHeavy Electrical Equipment0.07%+0.07 ppPassenger Airlines0.23%+0.07 ppTrading Companies & Distributors0.13%+0.06 ppDiversified Support Services0.11%+0.05 ppConstruction & Engineering0.10%+0.05 ppData Processing & Outsourced Services0.06%+0.03 ppPassenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.45%+0.232 pp
Concentrated

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

View all contributions →
Human Resource & Employment Services · weight
0.45%
Industry change · 12M
+0.23 pp
Human Resource & Employment Services · contribution
+0.232 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Automatic Data Processing →
ADP
United States$85.9bn0.298%-0.031 pp+0.149 pp+19.7%No
Paychex →
PAYX
United States$43.0bn0.149%+0.004 pp+0.083 pp+33.9%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.