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 Technology27.3%+27.25 pp Health Care16.4%+16.43 pp Industrials12.2%+12.14 pp Consumer Discretionary7.3%+7.28 pp Consumer Staples7.1%+7.13 pp Communication Services4.4%+4.36 pp Materials3.3%+3.25 pp Real Estate3.2%+3.19 pp Utilities3.0%+3.01 pp Energy2.1%+2.14 pp Financials13.7%-86.17 pp

2 · Industry

Inside Industrials

Aerospace & Defense4.00%+4.00 pp Industrial Machinery & Supplies & Components1.14%+1.14 pp Industrial Conglomerates1.05%+1.05 pp Rail Transportation0.96%+0.96 pp Air Freight & Logistics0.79%+0.79 pp Electrical Components & Equipment0.66%+0.66 pp Construction Machinery & Heavy Transportation Equipment0.63%+0.62 pp Building Products0.62%+0.62 pp Human Resource & Employment Services0.45%+0.45 pp Environmental & Facilities Services0.41%+0.41 pp Agricultural & Farm Machinery0.39%+0.39 pp Passenger Airlines0.24%+0.24 pp Research & Consulting Services0.21%+0.21 pp Trading Companies & Distributors0.14%+0.14 pp Diversified Support Services0.12%+0.12 pp Cargo Ground Transportation0.11%+0.11 pp Construction & Engineering0.09%+0.09 pp Heavy Electrical Equipment0.09%+0.09 pp Data Processing & Outsourced Services0.07%+0.07 pp Passenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.45%+0.446 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

+0.45 pp

Human Resource & Employment Services · contribution

+0.446 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2021 · 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	$89.2bn	0.306%	+0.017 pp	+0.306 pp	+61.2%	Yes
Paychex → PAYX	United States	$41.0bn	0.140%	+0.013 pp	+0.140 pp	+62.6%	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.