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 Technology17.1%+1.04 pp Utilities3.4%+0.20 pp Real Estate3.4%+0.14 pp Materials2.1%-0.03 pp Consumer Discretionary7.0%-0.06 pp Energy4.6%-0.08 pp Communication Services3.4%-0.08 pp Health Care16.6%-0.13 pp Consumer Staples9.1%-0.27 pp Financials18.1%-0.33 pp Industrials15.2%-0.39 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals2.02%+0.33 pp Semiconductors3.46%+0.24 pp Systems Software4.41%+0.14 pp Application Software2.90%+0.11 pp Communications Equipment1.43%+0.11 pp IT Consulting & Other Services1.78%+0.04 pp Semiconductor Materials & Equipment0.39%+0.04 pp Internet Services & Infrastructure0.14%+0.02 pp Electronic Equipment & Instruments0.18%+0.01 pp Electronic Manufacturing Services0.22%+0.01 pp Electronic Components0.17%-0.01 pp Technology Distributors0.00%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals2.02%+0.331 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

2.02%

Industry change · 12M

+0.33 pp

Technology Hardware, Storage & Peripherals · contribution

+0.331 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 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	$36.0bn	0.221%	+0.199 pp	+0.199 pp	-5.5%	Yes
Apple Inc. → AAPL	United States	$212.8bn	1.306%	+0.080 pp	+0.080 pp	+0.6%	Yes
Hewlett Packard Enterprise → HPE	United States	$27.2bn	0.167%	+0.018 pp	+0.018 pp	+7.4%	Yes
Western Digital → WDC	United States	$20.8bn	0.127%	+0.014 pp	+0.014 pp	+4.3%	Yes
Seagate Technology → STX	United States	$16.7bn	0.102%	+0.013 pp	+0.013 pp	+7.1%	Yes
NetApp → NTAP	United States	$16.5bn	0.101%	+0.008 pp	+0.008 pp	+0.3%	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.