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 Technology16.9%+0.89 pp Financials18.6%+0.16 pp Health Care16.8%+0.07 pp Utilities3.2%+0.02 pp Materials2.1%-0.02 pp Real Estate3.2%-0.05 pp Consumer Discretionary7.0%-0.09 pp Communication Services3.3%-0.14 pp Industrials15.3%-0.24 pp Energy4.4%-0.28 pp Consumer Staples9.0%-0.33 pp

2 · Industry

Inside Information Technology

Semiconductors3.41%+0.19 pp Technology Hardware, Storage & Peripherals1.86%+0.17 pp Systems Software4.42%+0.16 pp Application Software2.93%+0.14 pp Communications Equipment1.45%+0.14 pp IT Consulting & Other Services1.79%+0.04 pp Semiconductor Materials & Equipment0.39%+0.04 pp Electronic Manufacturing Services0.22%+0.01 pp Internet Services & Infrastructure0.14%+0.01 pp Electronic Equipment & Instruments0.17%+0.01 pp Electronic Components0.17%-0.00 pp Technology Distributors0.00%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals1.86%+0.167 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

1.86%

Industry change · 12M

+0.17 pp

Technology Hardware, Storage & Peripherals · contribution

+0.167 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 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
Apple Inc. → AAPL	United States	$225.9bn	1.354%	+0.128 pp	+0.128 pp	+6.8%	Yes
Hewlett Packard Enterprise → HPE	United States	$29.6bn	0.178%	+0.028 pp	+0.028 pp	+13.4%	Yes
Western Digital → WDC	United States	$19.6bn	0.117%	+0.004 pp	+0.004 pp	-2.2%	Yes
NetApp → NTAP	United States	$16.2bn	0.097%	+0.004 pp	+0.004 pp	-1.5%	Yes
Seagate Technology → STX	United States	$15.2bn	0.091%	+0.001 pp	+0.001 pp	-3.3%	Yes
HP Inc. → HPQ	United States	$3.9bn	0.023%	+0.001 pp	+0.001 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.