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›Internet Services & Infrastructure›Internet Services & Infrastructure
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Information Technology
Systems Software8.74%+2.04 ppTechnology Hardware, Storage & Peripherals9.23%+1.49 ppSemiconductors4.01%+0.98 ppApplication Software3.81%+0.95 ppSemiconductor Materials & Equipment0.51%+0.12 ppCommunications Equipment0.85%-0.07 ppIT Consulting & Other Services1.33%+0.05 ppElectronic Manufacturing Services0.18%+0.05 ppElectronic Equipment & Instruments0.36%-0.03 ppElectronic Components0.12%-0.02 ppInternet Services & Infrastructure0.12%-0.01 ppTechnology Distributors0.09%+0.00 pp
3 · Sub-industry
Inside Internet Services & Infrastructure
Internet Services & Infrastructure · weight
0.12%
Industry change · 12M
-0.01 pp
Internet Services & Infrastructure · contribution
-0.010 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 |
|---|---|---|---|---|---|---|---|
| Verisign → VRSN | United States | $21.0bn | 0.063% | -0.007 pp | -0.016 pp | +0.3% | No |
| Akamai Technologies → AKAM | United States | $17.9bn | 0.053% | -0.001 pp | +0.005 pp | +40.4% | 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.