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 Technology29.9%+5.36 pp Consumer Discretionary12.3%+1.32 pp Materials2.8%-0.26 pp Communication Services2.9%-0.31 pp Industrials9.8%-0.31 pp Real Estate2.9%-0.32 pp Utilities2.9%-0.55 pp Energy3.3%-0.63 pp Consumer Staples6.8%-0.92 pp Financials11.2%-1.15 pp Health Care15.3%-2.24 pp

2 · Industry

Inside Information Technology

Systems Software9.18%+2.48 pp Technology Hardware, Storage & Peripherals9.52%+1.23 pp Application Software3.99%+1.12 pp Semiconductors3.68%+0.55 pp Semiconductor Materials & Equipment0.49%+0.08 pp Communications Equipment0.87%-0.05 pp Electronic Equipment & Instruments0.35%-0.03 pp Electronic Components0.12%-0.02 pp IT Consulting & Other Services1.33%+0.02 pp Electronic Manufacturing Services0.13%-0.01 pp Technology Distributors0.09%+0.00 pp Internet Services & Infrastructure0.12%-0.00 pp

3 · Sub-industry

Inside Electronic Equipment & Instruments

Electronic Equipment & Instruments0.35%-0.030 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

-0.03 pp

Electronic Equipment & Instruments · contribution

-0.030 pp

Company participation

75%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 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	$24.1bn	0.075%	-0.000 pp	-0.035 pp	-24.9%	Yes
Roper Technologies → ROP	United States	$57.5bn	0.179%	+0.010 pp	+0.021 pp	+23.4%	Yes
Zebra Technologies → ZBRA	United States	$12.2bn	0.038%	-0.007 pp	-0.009 pp	-12.3%	No
Teledyne Technologies → TDY	United States	$19.0bn	0.059%	-0.003 pp	-0.008 pp	-4.1%	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.