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
8.50%
Industry change · 12M
-1.23 pp
Technology Hardware, Storage & Peripherals · contribution
-1.229 pp
Company participation
83%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2332.3bn8.199%+0.207 pp-1.148 pp-10.2%Yes
Seagate Technology →
STX
United States$13.3bn0.047%+0.010 pp-0.031 pp-34.7%Yes
HP Inc. →
HPQ
United States$29.0bn0.102%-0.001 pp-0.027 pp-11.4%Yes
NetApp →
NTAP
United States$13.9bn0.049%-0.001 pp-0.012 pp-15.2%No
Western Digital →
WDC
United States$9.3bn0.033%+0.003 pp-0.009 pp-24.5%Yes
Hewlett Packard Enterprise →
HPE
United States$20.0bn0.070%-0.003 pp-0.001 pp+1.2%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.