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 Technology27.2%+8.81 pp Consumer Discretionary7.5%+0.48 pp Materials3.1%-0.14 pp Communication Services5.1%-0.22 pp Real Estate2.9%-0.60 pp Utilities2.9%-0.78 pp Health Care16.1%-0.85 pp Consumer Staples7.8%-0.86 pp Industrials12.1%-1.12 pp Energy1.9%-1.68 pp Financials13.4%-3.05 pp

2 · Industry

Inside Industrials

Aerospace & Defense4.04%-1.18 pp Passenger Airlines0.27%-0.17 pp Industrial Machinery & Supplies & Components1.16%+0.15 pp Air Freight & Logistics0.83%+0.14 pp Industrial Conglomerates1.20%-0.12 pp Building Products0.53%+0.11 pp Agricultural & Farm Machinery0.34%+0.07 pp Human Resource & Employment Services0.44%-0.07 pp Rail Transportation0.91%-0.05 pp Environmental & Facilities Services0.38%-0.04 pp Research & Consulting Services0.23%+0.03 pp Electrical Components & Equipment0.62%-0.03 pp Construction Machinery & Heavy Transportation Equipment0.67%-0.02 pp Cargo Ground Transportation0.10%+0.02 pp Trading Companies & Distributors0.12%+0.01 pp Construction & Engineering0.09%+0.01 pp Data Processing & Outsourced Services0.07%+0.00 pp Diversified Support Services0.13%+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%-0.070 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

-0.07 pp

Human Resource & Employment Services · contribution

-0.070 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2020 · 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	$75.6bn	0.306%	+0.306 pp	-0.056 pp	+5.9%	Yes
Paychex → PAYX	United States	$33.6bn	0.136%	+0.136 pp	-0.014 pp	+13.3%	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.