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 Equipment & Instruments›Electronic Equipment & Instruments

1 · Sector

Weight and 12M allocation change

Information Technology18.5%+1.48 pp Materials2.6%+0.47 pp Consumer Staples9.0%+0.44 pp Utilities3.8%+0.36 pp Real Estate3.7%+0.31 pp Communication Services3.5%+0.30 pp Consumer Discretionary7.3%+0.14 pp Health Care16.9%+0.03 pp Energy4.1%-0.93 pp Industrials13.9%-1.13 pp Financials16.8%-1.46 pp

2 · Industry

Inside Information Technology

Systems Software5.68%+1.16 pp Application Software3.34%+0.37 pp Technology Hardware, Storage & Peripherals1.85%-0.14 pp Electronic Equipment & Instruments0.30%+0.13 pp IT Consulting & Other Services1.62%-0.11 pp Semiconductor Materials & Equipment0.26%-0.09 pp Communications Equipment1.56%+0.08 pp Internet Services & Infrastructure0.20%+0.06 pp Semiconductors3.36%+0.03 pp Electronic Manufacturing Services0.18%-0.02 pp Electronic Components0.16%+0.00 pp Technology Distributors0.00%+0.00 pp

3 · Sub-industry

Inside Electronic Equipment & Instruments

Electronic Equipment & Instruments0.30%+0.132 pp

Concentrated

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

View all contributions →

Electronic Equipment & Instruments · weight

0.30%

Industry change · 12M

+0.13 pp

Electronic Equipment & Instruments · contribution

+0.132 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2019 · 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
Keysight Technologies → KEYS	United States	$16.4bn	0.091%	+0.045 pp	+0.091 pp	+68.4%	Yes
Roper Technologies → ROP	United States	$37.3bn	0.208%	+0.111 pp	+0.041 pp	+37.0%	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.