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 Technology26.2%+5.17 pp Consumer Discretionary7.6%+1.03 pp Industrials12.5%+0.98 pp Financials14.5%+0.40 pp Materials3.4%+0.25 pp Energy2.2%-0.33 pp Utilities3.2%-0.52 pp Real Estate3.1%-0.54 pp Communication Services4.6%-0.59 pp Consumer Staples7.1%-2.07 pp Health Care15.5%-3.78 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals8.38%+6.20 pp Systems Software7.03%-0.75 pp Semiconductor Materials & Equipment0.57%+0.28 pp Communications Equipment0.94%-0.25 pp IT Consulting & Other Services1.33%-0.17 pp Semiconductors3.46%-0.16 pp Internet Services & Infrastructure0.15%-0.07 pp Electronic Components0.17%+0.06 pp Electronic Equipment & Instruments0.42%+0.05 pp Application Software3.54%-0.04 pp Electronic Manufacturing Services0.16%+0.02 pp Technology Distributors0.09%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals8.38%+6.198 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

8.38%

Industry change · 12M

+6.20 pp

Technology Hardware, Storage & Peripherals · contribution

+6.198 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 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	$2193.8bn	7.951%	+2.645 pp	+6.152 pp	+80.4%	Yes
HP Inc. → HPQ	United States	$42.7bn	0.155%	+0.080 pp	+0.030 pp	+127.4%	Yes
NetApp → NTAP	United States	$16.6bn	0.060%	+0.025 pp	+0.006 pp	+76.9%	Yes
Seagate Technology → STX	United States	$21.2bn	0.077%	+0.040 pp	+0.005 pp	+94.5%	Yes
Hewlett Packard Enterprise → HPE	United States	$20.8bn	0.076%	+0.037 pp	+0.003 pp	+65.9%	Yes
Western Digital → WDC	United States	$16.3bn	0.059%	+0.028 pp	+0.001 pp	+53.3%	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.