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›Technology Hardware, Storage & Peripherals›Technology Hardware, Storage & Peripherals

1 · Sector

Weight and 12M allocation change

Information Technology17.6%+1.59 pp Energy5.1%+0.44 pp Utilities3.3%+0.18 pp Real Estate3.4%+0.15 pp Consumer Discretionary7.1%+0.03 pp Materials2.1%-0.02 pp Health Care16.6%-0.10 pp Communication Services3.2%-0.30 pp Industrials15.2%-0.43 pp Financials18.0%-0.50 pp Consumer Staples8.4%-1.02 pp

2 · Industry

Inside Information Technology

Semiconductors3.65%+0.43 pp Systems Software4.69%+0.42 pp Technology Hardware, Storage & Peripherals2.08%+0.39 pp Application Software3.12%+0.33 pp Communications Equipment1.39%+0.07 pp IT Consulting & Other Services1.70%-0.05 pp Internet Services & Infrastructure0.15%+0.03 pp Electronic Components0.16%-0.02 pp Semiconductor Materials & Equipment0.34%-0.01 pp Electronic Equipment & Instruments0.17%+0.01 pp Electronic Manufacturing Services0.20%-0.01 pp Technology Distributors0.00%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals2.08%+0.386 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

2.08%

Industry change · 12M

+0.39 pp

Technology Hardware, Storage & Peripherals · contribution

+0.386 pp

Company participation

67%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2018 · 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
HP Inc. → HPQ	United States	$36.2bn	0.219%	+0.196 pp	+0.197 pp	-5.0%	Yes
Apple Inc. → AAPL	United States	$229.6bn	1.393%	+0.039 pp	+0.167 pp	+12.5%	Yes
NetApp → NTAP	United States	$18.3bn	0.111%	+0.014 pp	+0.017 pp	+11.4%	Yes
Seagate Technology → STX	United States	$16.2bn	0.098%	+0.007 pp	+0.008 pp	+3.2%	Yes
Hewlett Packard Enterprise → HPE	United States	$23.7bn	0.144%	-0.034 pp	-0.005 pp	-6.7%	No
Western Digital → WDC	United States	$18.9bn	0.115%	-0.003 pp	+0.001 pp	-5.6%	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.