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 Technology18.1%+8.41 pp Financials16.5%+6.93 pp Health Care16.8%+6.27 pp Industrials13.7%+6.24 pp Consumer Staples8.8%+3.60 pp Communication Services5.3%+3.22 pp Materials3.2%+1.80 pp Utilities3.7%+1.59 pp Real Estate3.6%+1.58 pp Energy3.4%+1.00 pp Consumer Discretionary7.0%-40.65 pp

2 · Industry

Inside Information Technology

Systems Software5.97%+3.08 pp Semiconductors3.23%+1.49 pp Application Software3.15%+1.39 pp Technology Hardware, Storage & Peripherals1.96%+0.93 pp IT Consulting & Other Services1.47%+0.58 pp Communications Equipment1.16%+0.34 pp Semiconductor Materials & Equipment0.30%+0.17 pp Electronic Equipment & Instruments0.29%+0.15 pp Technology Distributors0.10%+0.10 pp Internet Services & Infrastructure0.18%+0.08 pp Electronic Manufacturing Services0.16%+0.07 pp Electronic Components0.13%+0.04 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals1.96%+0.927 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

1.96%

Industry change · 12M

+0.93 pp

Technology Hardware, Storage & Peripherals · contribution

+0.927 pp

Company participation

33%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 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	$296.9bn	1.496%	+0.213 pp	+0.792 pp	+51.9%	Yes
Seagate Technology → STX	United States	$15.7bn	0.079%	+0.006 pp	+0.038 pp	+46.5%	Yes
Hewlett Packard Enterprise → HPE	United States	$20.7bn	0.104%	+0.006 pp	+0.031 pp	+8.8%	No
HP Inc. → HPQ	United States	$29.8bn	0.150%	+0.003 pp	+0.029 pp	-9.8%	No
Western Digital → WDC	United States	$11.3bn	0.057%	-0.013 pp	+0.024 pp	+16.0%	No
NetApp → NTAP	United States	$13.8bn	0.070%	+0.007 pp	+0.014 pp	-6.7%	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.