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›Semiconductors›Semiconductors

1 · Sector

Weight and 12M allocation change

Information Technology26.2%+5.17 pp Consumer Discretionary7.6%+1.03 pp Industrials12.5%+0.98 pp Financials14.5%+0.40 pp Materials3.4%+0.25 pp Energy2.2%-0.33 pp Utilities3.2%-0.52 pp Real Estate3.1%-0.54 pp Communication Services4.6%-0.59 pp Consumer Staples7.1%-2.07 pp Health Care15.5%-3.78 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals8.38%+6.20 pp Systems Software7.03%-0.75 pp Semiconductor Materials & Equipment0.57%+0.28 pp Communications Equipment0.94%-0.25 pp IT Consulting & Other Services1.33%-0.17 pp Semiconductors3.46%-0.16 pp Internet Services & Infrastructure0.15%-0.07 pp Electronic Components0.17%+0.06 pp Electronic Equipment & Instruments0.42%+0.05 pp Application Software3.54%-0.04 pp Electronic Manufacturing Services0.16%+0.02 pp Technology Distributors0.09%+0.00 pp

3 · Sub-industry

Inside Semiconductors

Semiconductors3.46%-0.161 pp

Concentrated

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

View all contributions →

Semiconductors · weight

3.46%

Industry change · 12M

-0.16 pp

Semiconductors · contribution

-0.161 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 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
Intel → INTC	United States	$232.3bn	0.842%	+0.302 pp	-0.579 pp	-1.6%	Yes
NXP Semiconductors → NXPI	United States	$53.1bn	0.192%	+0.192 pp	+0.192 pp	+95.7%	Yes
Qualcomm → QCOM	United States	$156.6bn	0.567%	+0.144 pp	+0.072 pp	+80.4%	Yes
Monolithic Power Systems → MPWR	United States	$16.5bn	0.060%	+0.060 pp	+0.060 pp	+82.1%	Yes
Micron Technology → MU	United States	$96.5bn	0.350%	+0.140 pp	+0.052 pp	+79.7%	Yes
Analog Devices → ADI	United States	$56.5bn	0.205%	+0.074 pp	-0.021 pp	+42.5%	Yes
Advanced Micro Devices → AMD	United States	$99.2bn	0.359%	+0.111 pp	+0.016 pp	+55.8%	Yes
Microchip Technology → MCHP	United States	$20.2bn	0.073%	+0.031 pp	+0.015 pp	+73.6%	Yes
Skyworks Solutions → SWKS	United States	$29.9bn	0.108%	+0.042 pp	+0.010 pp	+76.9%	Yes
Nvidia → NVDA	United States	$9.3bn	0.034%	+0.014 pp	+0.009 pp	+105.7%	Yes
Texas Instruments → TXN	United States	$166.7bn	0.604%	+0.240 pp	+0.008 pp	+60.8%	Yes
Broadcom → AVGO	United States	$18.6bn	0.068%	+0.024 pp	+0.007 pp	+74.0%	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.