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 Technology17.9%+8.09 pp Financials16.2%+6.66 pp Health Care16.5%+6.53 pp Industrials13.4%+5.79 pp Consumer Staples9.0%+3.80 pp Communication Services5.3%+3.36 pp Materials3.2%+2.13 pp Real Estate3.8%+1.85 pp Utilities3.9%+1.83 pp Energy3.5%+1.02 pp Consumer Discretionary7.1%-41.06 pp

2 · Industry

Inside Information Technology

Systems Software5.79%+2.96 pp Semiconductors3.26%+1.48 pp Application Software3.07%+1.32 pp Technology Hardware, Storage & Peripherals1.90%+0.66 pp IT Consulting & Other Services1.45%+0.59 pp Communications Equipment1.25%+0.43 pp Electronic Equipment & Instruments0.28%+0.18 pp Semiconductor Materials & Equipment0.30%+0.17 pp Technology Distributors0.10%+0.10 pp Internet Services & Infrastructure0.19%+0.09 pp Electronic Manufacturing Services0.16%+0.07 pp Electronic Components0.14%+0.04 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals1.90%+0.655 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

1.90%

Industry change · 12M

+0.66 pp

Technology Hardware, Storage & Peripherals · contribution

+0.655 pp

Company participation

50%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2019 · 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	$276.3bn	1.440%	+0.159 pp	+0.544 pp	+15.4%	Yes
Seagate Technology → STX	United States	$15.6bn	0.081%	+0.013 pp	+0.042 pp	+52.6%	Yes
Hewlett Packard Enterprise → HPE	United States	$21.4bn	0.112%	+0.009 pp	+0.036 pp	+10.9%	Yes
Western Digital → WDC	United States	$11.6bn	0.060%	-0.003 pp	+0.028 pp	+25.4%	No
HP Inc. → HPQ	United States	$25.7bn	0.134%	-0.034 pp	+0.005 pp	-25.7%	No
NetApp → NTAP	United States	$13.3bn	0.069%	-0.005 pp	+0.000 pp	-26.7%	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.