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 & Services2.30%+0.26 ppPharmaceuticals4.65%-0.21 ppHealth Care Equipment3.22%-0.14 ppHealth Care Services0.79%-0.11 ppHealth Care Distributors0.27%-0.05 ppBiotechnology2.37%+0.02 ppHealth Care Supplies0.29%+0.02 ppHealth Care Facilities0.24%+0.02 ppManaged Health Care2.07%+0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Life Sciences Tools & Services
Life Sciences Tools & Services · weight
2.30%
Industry change · 12M
+0.26 pp
Life Sciences Tools & Services · contribution
+0.258 pp
Company participation
56%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 2021 · 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 |
|---|---|---|---|---|---|---|---|
| Danaher Corporation → DHR | United States | $203.8bn | 0.688% | +0.002 pp | +0.088 pp | +43.7% | Yes |
| Charles River Laboratories → CRL | United States | $18.5bn | 0.062% | -0.012 pp | +0.062 pp | +56.0% | No |
| Thermo Fisher Scientific → TMO | United States | $249.4bn | 0.842% | +0.112 pp | +0.060 pp | +36.4% | Yes |
| IQVIA → IQV | United States | $49.5bn | 0.167% | +0.001 pp | +0.030 pp | +53.3% | Yes |
| Bio-Techne → TECH | United States | $4.6bn | 0.016% | -0.001 pp | +0.016 pp | +56.1% | Yes |
| Illumina, Inc. → ILMN | United States | $55.5bn | 0.188% | -0.030 pp | -0.007 pp | +13.4% | No |
| Waters Corporation → WAT | United States | $20.0bn | 0.068% | -0.017 pp | +0.007 pp | +41.4% | No |
| Mettler Toledo → MTD | United States | $34.8bn | 0.118% | -0.002 pp | +0.001 pp | +31.7% | Yes |
| Agilent Technologies → A | United States | $45.7bn | 0.154% | -0.024 pp | +0.001 pp | +29.8% | 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.