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
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Health Care
Life Sciences Tools & Services2.24%+0.50 ppPharmaceuticals5.03%-0.32 ppManaged Health Care2.11%+0.18 ppHealth Care Supplies0.27%+0.15 ppHealth Care Services0.84%-0.15 ppHealth Care Equipment3.48%+0.12 ppBiotechnology2.43%-0.06 ppHealth Care Facilities0.20%-0.04 ppHealth Care Distributors0.31%-0.03 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Life Sciences Tools & Services
Life Sciences Tools & Services · weight
2.24%
Industry change · 12M
+0.50 pp
Life Sciences Tools & Services · contribution
+0.497 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2020 · 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 |
|---|---|---|---|---|---|---|---|
| Thermo Fisher Scientific → TMO | United States | $187.5bn | 0.888% | +0.887 pp | +0.257 pp | +57.1% | Yes |
| Danaher Corporation → DHR | United States | $144.6bn | 0.684% | +0.684 pp | +0.227 pp | +67.3% | Yes |
| Agilent Technologies → A | United States | $31.5bn | 0.149% | +0.149 pp | +0.027 pp | +35.9% | Yes |
| Illumina, Inc. → ILMN | United States | $41.6bn | 0.197% | +0.197 pp | -0.023 pp | -1.0% | Yes |
| Mettler Toledo → MTD | United States | $23.9bn | 0.113% | +0.113 pp | +0.023 pp | +41.6% | Yes |
| IQVIA → IQV | United States | $29.5bn | 0.140% | +0.140 pp | -0.008 pp | +6.6% | Yes |
| Waters Corporation → WAT | United States | $13.8bn | 0.065% | +0.065 pp | -0.006 pp | +5.3% | 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.