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 Technology36.4%+15.47 ppFinancials12.3%+4.20 ppConsumer Discretionary11.6%+3.35 ppIndustrials9.9%+2.86 ppConsumer Staples6.8%+1.56 ppCommunication Services2.7%+0.86 ppUtilities2.7%+0.78 ppHealth Care10.9%+0.56 ppReal Estate2.3%+0.49 ppEnergy2.3%+0.23 ppMaterials2.2%-30.36 pp

2 · Industry

Inside Industrials

Aerospace & Defense2.55%+0.92 ppHeavy Electrical Equipment0.33%+0.23 ppBuilding Products0.61%+0.22 ppIndustrial Machinery & Supplies & Components0.97%+0.18 ppDiversified Support Services0.34%+0.17 ppElectrical Components & Equipment0.63%+0.15 ppConstruction Machinery & Heavy Transportation Equipment0.68%+0.15 ppPassenger Ground Transportation0.42%+0.14 ppIndustrial Conglomerates0.57%+0.13 ppHuman Resource & Employment Services0.38%+0.12 ppEnvironmental & Facilities Services0.48%+0.11 ppAgricultural & Farm Machinery0.30%+0.10 ppRail Transportation0.55%+0.08 ppConstruction & Engineering0.15%+0.06 ppPassenger Airlines0.17%+0.05 ppTrading Companies & Distributors0.16%+0.04 ppAir Freight & Logistics0.31%-0.04 ppResearch & Consulting Services0.16%+0.04 ppData Processing & Outsourced Services0.06%+0.02 ppCargo Ground Transportation0.10%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.38%+0.120 pp
Concentrated

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

View all contributions →
Human Resource & Employment Services · weight
0.38%
Industry change · 12M
+0.12 pp
Human Resource & Employment Services · contribution
+0.120 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Automatic Data Processing →
ADP
United States$125.2bn0.270%-0.025 pp+0.087 pp+31.9%No
Paychex →
PAYX
United States$52.4bn0.113%-0.019 pp+0.033 pp+26.2%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.