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

Consumer Discretionary11.2%+3.78 pp Energy3.9%+1.03 pp Health Care16.9%+0.53 pp Utilities3.4%+0.25 pp Industrials10.1%+0.16 pp Real Estate3.3%+0.09 pp Materials3.3%+0.07 pp Consumer Staples7.4%+0.03 pp Communication Services3.4%-0.27 pp Financials12.7%-1.04 pp Information Technology24.5%-4.63 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals8.16%-1.83 pp Systems Software6.57%-1.44 pp Application Software3.04%-0.49 pp Semiconductors3.26%-0.45 pp IT Consulting & Other Services1.23%-0.16 pp Semiconductor Materials & Equipment0.42%-0.11 pp Communications Equipment0.89%-0.08 pp Electronic Equipment & Instruments0.39%-0.03 pp Electronic Components0.14%-0.02 pp Electronic Manufacturing Services0.14%-0.02 pp Internet Services & Infrastructure0.13%-0.02 pp Technology Distributors0.09%+0.00 pp

3 · Sub-industry

Inside Electronic Equipment & Instruments

Electronic Equipment & Instruments0.39%-0.028 pp

Concentrated

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

View all contributions →

Electronic Equipment & Instruments · weight

0.39%

Industry change · 12M

-0.03 pp

Electronic Equipment & Instruments · contribution

-0.028 pp

Company participation

75%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2023 · 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
Zebra Technologies → ZBRA	United States	$16.3bn	0.056%	+0.004 pp	-0.036 pp	-37.9%	Yes
Keysight Technologies → KEYS	United States	$32.1bn	0.110%	-0.001 pp	+0.006 pp	+6.2%	Yes
Teledyne Technologies → TDY	United States	$19.9bn	0.068%	+0.002 pp	+0.002 pp	+0.7%	Yes
Roper Technologies → ROP	United States	$45.3bn	0.155%	-0.001 pp	-0.000 pp	-1.8%	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.