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 Technology17.4%+1.34 pp Energy5.1%+0.43 pp Real Estate3.5%+0.28 pp Utilities3.4%+0.26 pp Health Care16.9%+0.12 pp Consumer Discretionary7.0%-0.03 pp Materials2.1%-0.04 pp Communication Services3.3%-0.15 pp Consumer Staples8.8%-0.60 pp Financials17.7%-0.75 pp Industrials14.7%-0.86 pp

2 · Industry

Inside Industrials

Aerospace & Defense6.55%-0.53 pp Industrial Conglomerates1.21%-0.16 pp Construction Machinery & Heavy Transportation Equipment0.71%-0.12 pp Rail Transportation1.03%+0.09 pp Industrial Machinery & Supplies & Components0.99%-0.09 pp Data Processing & Outsourced Services0.08%+0.08 pp Air Freight & Logistics0.90%-0.08 pp Human Resource & Employment Services0.51%+0.05 pp Passenger Airlines0.51%-0.04 pp Building Products0.43%-0.03 pp Agricultural & Farm Machinery0.28%-0.03 pp Electrical Components & Equipment0.69%-0.03 pp Research & Consulting Services0.20%+0.02 pp Trading Companies & Distributors0.10%-0.01 pp Cargo Ground Transportation0.08%+0.01 pp Diversified Support Services0.03%+0.00 pp Construction & Engineering0.07%+0.00 pp Environmental & Facilities Services0.35%-0.00 pp Heavy Electrical Equipment0.00%+0.00 pp Passenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.51%+0.055 pp

Concentrated

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

View all contributions →

Human Resource & Employment Services · weight

0.51%

Industry change · 12M

+0.05 pp

Human Resource & Employment Services · contribution

+0.055 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 2018 · sorted by absolute contribution to 12-month change

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Automatic Data Processing → ADP	United States	$59.1bn	0.359%	+0.050 pp	+0.046 pp	+9.7%	Yes
Paychex → PAYX	United States	$24.6bn	0.149%	+0.013 pp	+0.009 pp	+1.1%	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.