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 Technology34.8%+5.79 pp Financials11.4%+0.39 pp Utilities2.9%-0.05 pp Industrials9.8%-0.10 pp Consumer Staples7.0%-0.16 pp Real Estate2.6%-0.19 pp Materials2.5%-0.37 pp Communication Services2.5%-0.40 pp Consumer Discretionary11.2%-0.92 pp Energy2.5%-1.08 pp Health Care12.9%-2.90 pp

2 · Industry

Inside Industrials

Passenger Ground Transportation0.36%+0.36 pp Aerospace & Defense2.20%-0.21 pp Heavy Electrical Equipment0.22%+0.20 pp Air Freight & Logistics0.42%-0.18 pp Rail Transportation0.62%-0.16 pp Diversified Support Services0.37%+0.14 pp Industrial Conglomerates0.58%-0.11 pp Agricultural & Farm Machinery0.26%-0.10 pp Industrial Machinery & Supplies & Components1.10%-0.07 pp Building Products0.55%+0.07 pp Human Resource & Employment Services0.40%-0.05 pp Electrical Components & Equipment0.62%-0.04 pp Environmental & Facilities Services0.46%-0.04 pp Passenger Airlines0.19%+0.04 pp Construction Machinery & Heavy Transportation Equipment0.74%+0.03 pp Trading Companies & Distributors0.18%+0.03 pp Construction & Engineering0.15%+0.02 pp Research & Consulting Services0.17%-0.01 pp Cargo Ground Transportation0.14%+0.01 pp Data Processing & Outsourced Services0.06%-0.01 pp

3 · Sub-industry

Inside Human Resource & Employment Services

Human Resource & Employment Services0.40%-0.047 pp

Concentrated

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

View all contributions →

Human Resource & Employment Services · weight

0.40%

Industry change · 12M

-0.05 pp

Human Resource & Employment Services · contribution

-0.047 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2024 · 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	$118.0bn	0.277%	+0.085 pp	-0.028 pp	+35.6%	Yes
Paychex → PAYX	United States	$50.1bn	0.118%	+0.035 pp	-0.019 pp	+29.4%	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.