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 Technology27.5%+27.47 pp Health Care16.1%+16.09 pp Industrials11.8%+11.83 pp Consumer Discretionary7.3%+7.33 pp Consumer Staples7.0%+6.99 pp Communication Services4.3%+4.28 pp Materials3.2%+3.15 pp Real Estate3.1%+3.13 pp Utilities3.0%+2.99 pp Energy2.3%+2.34 pp Financials14.3%-85.61 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals8.57%+8.57 pp Systems Software7.61%+7.60 pp Application Software3.96%+3.96 pp Semiconductors3.51%+3.51 pp IT Consulting & Other Services1.36%+1.36 pp Communications Equipment0.99%+0.99 pp Semiconductor Materials & Equipment0.52%+0.52 pp Electronic Equipment & Instruments0.44%+0.44 pp Electronic Manufacturing Services0.16%+0.16 pp Electronic Components0.15%+0.15 pp Internet Services & Infrastructure0.14%+0.14 pp Technology Distributors0.09%+0.09 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals8.57%+8.568 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

8.57%

Industry change · 12M

+8.57 pp

Technology Hardware, Storage & Peripherals · contribution

+8.568 pp

Company participation

33%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2021 · 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	$2339.0bn	8.212%	+0.143 pp	+8.210 pp	+23.0%	Yes
HP Inc. → HPQ	United States	$31.5bn	0.111%	-0.017 pp	+0.111 pp	+48.1%	No
NetApp → NTAP	United States	$20.1bn	0.070%	+0.006 pp	+0.070 pp	+111.2%	Yes
Seagate Technology → STX	United States	$18.8bn	0.066%	-0.005 pp	+0.066 pp	+73.4%	No
Hewlett Packard Enterprise → HPE	United States	$18.6bn	0.065%	-0.002 pp	+0.065 pp	+57.3%	No
Western Digital → WDC	United States	$13.2bn	0.046%	-0.012 pp	+0.046 pp	+54.4%	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.