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
Technology Hardware, Storage & Peripherals · weight
6.89%
Industry change · 12M
+0.55 pp
Technology Hardware, Storage & Peripherals · contribution
+0.555 pp
Company participation
57%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$3100.2bn6.538%-1.127 pp+0.434 pp-6.1%No
Supermicro →
SMCI
United States$35.2bn0.074%+0.029 pp+0.067 pp-16.0%Yes
Seagate Technology →
STX
United States$33.3bn0.070%+0.024 pp+0.032 pp+58.0%Yes
Western Digital →
WDC
United States$27.5bn0.058%+0.021 pp+0.028 pp+55.6%Yes
HP Inc. →
HPQ
United States$23.3bn0.049%-0.009 pp-0.014 pp-28.6%No
Hewlett Packard Enterprise →
HPE
United States$27.1bn0.057%+0.006 pp+0.011 pp+6.9%Yes
NetApp →
NTAP
United States$20.9bn0.044%+0.000 pp-0.003 pp-16.3%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.