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 Discretionary46.1%+39.16 pp Materials1.8%-1.34 pp Real Estate1.7%-1.86 pp Energy1.1%-2.06 pp Utilities1.7%-2.24 pp Communication Services2.8%-2.38 pp Information Technology16.1%-3.01 pp Consumer Staples4.4%-4.39 pp Industrials6.9%-6.49 pp Health Care9.7%-6.87 pp Financials7.7%-8.52 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals5.52%+3.40 pp Systems Software4.28%-2.28 pp Semiconductors2.09%-1.28 pp Application Software2.08%-1.17 pp IT Consulting & Other Services0.74%-0.74 pp Communications Equipment0.55%-0.60 pp Electronic Equipment & Instruments0.24%-0.10 pp Internet Services & Infrastructure0.10%-0.10 pp Electronic Manufacturing Services0.10%-0.06 pp Technology Distributors0.05%-0.05 pp Electronic Components0.08%-0.04 pp Semiconductor Materials & Equipment0.28%-0.01 pp

3 · Sub-industry

Inside Electronic Equipment & Instruments

Electronic Equipment & Instruments0.24%-0.103 pp

Concentrated

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

View all contributions →

Electronic Equipment & Instruments · weight

0.24%

Industry change · 12M

-0.10 pp

Electronic Equipment & Instruments · contribution

-0.103 pp

Company participation

50%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2021 · 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
Roper Technologies → ROP	United States	$41.2bn	0.099%	-0.085 pp	-0.097 pp	+3.5%	No
Teledyne Technologies → TDY	United States	$13.2bn	0.032%	-0.022 pp	+0.032 pp	-2.2%	No
Keysight Technologies → KEYS	United States	$26.3bn	0.063%	-0.030 pp	-0.023 pp	+52.3%	Yes
Zebra Technologies → ZBRA	United States	$20.7bn	0.050%	-0.022 pp	-0.014 pp	+62.3%	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.