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 Technology28.8%+2.60 pp Consumer Discretionary12.5%+1.60 pp Industrials10.0%+0.17 pp Energy3.5%-0.07 pp Materials2.9%-0.09 pp Real Estate2.9%-0.37 pp Health Care15.9%-0.60 pp Communication Services2.8%-0.63 pp Consumer Staples7.1%-0.63 pp Utilities2.9%-0.75 pp Financials10.7%-1.24 pp

2 · Industry

Inside Information Technology

Systems Software8.15%+0.92 pp Application Software3.83%+0.83 pp Semiconductors3.59%+0.33 pp Technology Hardware, Storage & Peripherals9.66%+0.30 pp Semiconductor Materials & Equipment0.51%+0.14 pp Communications Equipment0.97%+0.10 pp Electronic Equipment & Instruments0.35%-0.02 pp IT Consulting & Other Services1.29%+0.02 pp Electronic Manufacturing Services0.13%-0.01 pp Electronic Components0.13%-0.01 pp Technology Distributors0.09%+0.01 pp Internet Services & Infrastructure0.12%-0.00 pp

3 · Sub-industry

Inside Electronic Equipment & Instruments

Electronic Equipment & Instruments0.35%-0.022 pp

Concentrated

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

View all contributions →

Electronic Equipment & Instruments · weight

0.35%

Industry change · 12M

-0.02 pp

Electronic Equipment & Instruments · contribution

-0.022 pp

Company participation

75%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 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
Keysight Technologies → KEYS	United States	$23.7bn	0.075%	+0.004 pp	-0.029 pp	-18.7%	No
Roper Technologies → ROP	United States	$53.3bn	0.170%	+0.050 pp	+0.017 pp	+24.7%	Yes
Zebra Technologies → ZBRA	United States	$14.1bn	0.045%	+0.012 pp	-0.011 pp	-8.8%	Yes
Teledyne Technologies → TDY	United States	$19.7bn	0.063%	+0.018 pp	+0.001 pp	+13.6%	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.