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 Technology29.0%+4.54 pp Consumer Discretionary12.1%+0.51 pp Industrials9.9%+0.06 pp Materials2.9%-0.07 pp Real Estate2.8%-0.34 pp Communication Services2.9%-0.37 pp Utilities2.9%-0.44 pp Energy3.6%-0.51 pp Consumer Staples7.1%-0.55 pp Financials11.0%-1.14 pp Health Care15.8%-1.70 pp

2 · Industry

Inside Information Technology

Systems Software8.94%+2.53 pp Application Software3.75%+0.86 pp Semiconductors3.44%+0.58 pp Technology Hardware, Storage & Peripherals9.37%+0.43 pp Semiconductor Materials & Equipment0.47%+0.12 pp Communications Equipment0.96%+0.09 pp Electronic Equipment & Instruments0.35%-0.04 pp Electronic Components0.12%-0.02 pp Electronic Manufacturing Services0.13%-0.01 pp Technology Distributors0.09%+0.01 pp IT Consulting & Other Services1.29%+0.01 pp Internet Services & Infrastructure0.12%-0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals9.37%+0.427 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

9.37%

Industry change · 12M

+0.43 pp

Technology Hardware, Storage & Peripherals · contribution

+0.427 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2023 · 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	$2669.9bn	9.077%	+2.342 pp	+0.420 pp	+12.0%	Yes
Seagate Technology → STX	United States	$14.3bn	0.049%	+0.020 pp	+0.012 pp	+44.0%	Yes
HP Inc. → HPQ	United States	$26.0bn	0.088%	+0.018 pp	-0.010 pp	-1.2%	Yes
Western Digital → WDC	United States	$9.8bn	0.033%	+0.011 pp	+0.004 pp	+16.8%	Yes
Hewlett Packard Enterprise → HPE	United States	$19.7bn	0.067%	+0.018 pp	+0.002 pp	+11.1%	Yes
NetApp → NTAP	United States	$15.2bn	0.052%	+0.016 pp	-0.002 pp	+8.2%	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.