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
2 · Industry
Inside Information Technology
Semiconductors13.54%+10.43 ppSystems Software8.64%+2.13 ppApplication Software3.56%+0.95 ppTechnology Hardware, Storage & Peripherals6.94%+0.63 ppCommunications Equipment1.06%+0.51 ppIT Consulting & Other Services1.15%+0.36 ppSemiconductor Materials & Equipment0.64%+0.19 ppElectronic Components0.23%+0.13 ppElectronic Equipment & Instruments0.28%+0.06 ppElectronic Manufacturing Services0.16%+0.05 ppInternet Services & Infrastructure0.14%+0.04 ppTechnology Distributors0.05%-0.01 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
6.94%
Industry change · 12M
+0.63 pp
Technology Hardware, Storage & Peripherals · contribution
+0.634 pp
Company participation
57%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2025 · 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 | $3064.4bn | 6.608% | -1.315 pp | +0.554 pp | -2.1% | No |
| Supermicro → SMCI | United States | $29.3bn | 0.063% | +0.015 pp | +0.054 pp | -40.2% | Yes |
| Seagate Technology → STX | United States | $30.6bn | 0.066% | +0.023 pp | +0.025 pp | +43.7% | Yes |
| HP Inc. → HPQ | United States | $23.0bn | 0.050% | -0.012 pp | -0.015 pp | -27.4% | No |
| Western Digital → WDC | United States | $22.3bn | 0.048% | +0.015 pp | +0.013 pp | +11.9% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $26.8bn | 0.058% | +0.010 pp | +0.006 pp | -0.6% | Yes |
| NetApp → NTAP | United States | $21.3bn | 0.046% | +0.004 pp | -0.004 pp | -15.7% | 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.