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 Technology17.1%+1.04 pp Utilities3.4%+0.20 pp Real Estate3.4%+0.14 pp Materials2.1%-0.03 pp Consumer Discretionary7.0%-0.06 pp Energy4.6%-0.08 pp Communication Services3.4%-0.08 pp Health Care16.6%-0.13 pp Consumer Staples9.1%-0.27 pp Financials18.1%-0.33 pp Industrials15.2%-0.39 pp

2 · Industry

Inside Industrials

Aerospace & Defense6.76%-0.32 pp Industrial Conglomerates1.30%-0.07 pp Air Freight & Logistics0.92%-0.06 pp Rail Transportation0.98%+0.04 pp Construction Machinery & Heavy Transportation Equipment0.80%-0.03 pp Passenger Airlines0.57%+0.01 pp Research & Consulting Services0.19%+0.01 pp Environmental & Facilities Services0.36%+0.01 pp Human Resource & Employment Services0.44%-0.01 pp Building Products0.46%-0.01 pp Electrical Components & Equipment0.73%+0.01 pp Trading Companies & Distributors0.11%+0.00 pp Cargo Ground Transportation0.08%+0.00 pp Agricultural & Farm Machinery0.31%+0.00 pp Diversified Support Services0.03%+0.00 pp Construction & Engineering0.07%+0.00 pp Industrial Machinery & Supplies & Components1.08%+0.00 pp Data Processing & Outsourced Services0.00%+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 Services0.44%-0.008 pp

Concentrated

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

View all contributions →

Human Resource & Employment Services · weight

0.44%

Industry change · 12M

-0.01 pp

Human Resource & Employment Services · contribution

-0.008 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 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	$50.3bn	0.309%	-0.004 pp	-0.004 pp	-7.7%	No
Paychex → PAYX	United States	$22.1bn	0.136%	-0.004 pp	-0.004 pp	-9.8%	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.