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›Information Technology›Electronic Manufacturing Services›Electronic Manufacturing Services

1 · Sector

Weight and 12M allocation change

Information Technology34.6%+6.31 pp Utilities2.9%+0.04 pp Consumer Staples7.1%+0.00 pp Real Estate2.6%-0.16 pp Industrials9.7%-0.18 pp Financials11.0%-0.18 pp Materials2.6%-0.35 pp Communication Services2.5%-0.43 pp Consumer Discretionary11.3%-1.04 pp Energy2.5%-1.29 pp Health Care13.5%-2.72 pp

2 · Industry

Inside Information Technology

Semiconductors11.59%+8.00 pp Technology Hardware, Storage & Peripherals8.55%-0.69 pp Systems Software7.84%-0.38 pp Application Software3.39%-0.31 pp Communications Equipment0.77%-0.19 pp IT Consulting & Other Services1.18%-0.11 pp Electronic Equipment & Instruments0.30%-0.06 pp Electronic Components0.18%+0.05 pp Technology Distributors0.07%-0.02 pp Electronic Manufacturing Services0.14%+0.01 pp Internet Services & Infrastructure0.13%+0.01 pp Semiconductor Materials & Equipment0.49%+0.00 pp

3 · Sub-industry

Inside Electronic Manufacturing Services

Electronic Manufacturing Services0.14%+0.009 pp

Concentrated

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

View all contributions →

Electronic Manufacturing Services · weight

0.14%

Industry change · 12M

+0.01 pp

Electronic Manufacturing Services · contribution

+0.009 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 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
Jabil → JBL	United States	$13.6bn	0.032%	+0.007 pp	+0.032 pp	-5.3%	Yes
TE Connectivity → TEL	United States	$45.9bn	0.107%	+0.020 pp	-0.023 pp	+24.4%	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.