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%+0.31 ppManaged Health Care2.22%+0.19 ppBiotechnology2.33%+0.06 ppHealth Care Facilities0.26%+0.03 ppHealth Care Supplies0.29%+0.02 ppHealth Care Equipment3.33%-0.02 ppHealth Care Services0.87%+0.01 ppPharmaceuticals4.84%-0.01 ppHealth Care Distributors0.29%-0.00 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
+0.31 pp
Life Sciences Tools & Services · contribution
+0.313 pp
Company participation
44%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $208.4bn | 0.668% | -0.009 pp | +0.101 pp | +48.6% | No |
| Thermo Fisher Scientific → TMO | United States | $262.9bn | 0.842% | +0.053 pp | +0.095 pp | +43.5% | Yes |
| Charles River Laboratories → CRL | United States | $19.0bn | 0.061% | -0.012 pp | +0.061 pp | +50.8% | No |
| IQVIA → IQV | United States | $53.9bn | 0.173% | +0.012 pp | +0.034 pp | +57.5% | Yes |
| Illumina, Inc. → ILMN | United States | $57.8bn | 0.185% | -0.018 pp | -0.027 pp | +2.8% | No |
| Bio-Techne → TECH | United States | $5.1bn | 0.016% | -0.000 pp | +0.016 pp | +63.4% | Yes |
| Mettler Toledo → MTD | United States | $39.0bn | 0.125% | +0.013 pp | +0.015 pp | +48.9% | Yes |
| Waters Corporation → WAT | United States | $22.7bn | 0.073% | -0.004 pp | +0.011 pp | +50.6% | No |
| Agilent Technologies → A | United States | $48.2bn | 0.154% | -0.013 pp | +0.007 pp | +35.5% | 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.