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
Pharmaceuticals0.01%-5.35 ppHealth Care Equipment0.00%-3.54 ppBiotechnology0.00%-2.36 ppManaged Health Care0.00%-1.88 ppLife Sciences Tools & Services0.00%-1.78 ppHealth Care Services0.00%-0.95 ppHealth Care Distributors0.00%-0.35 ppHealth Care Facilities0.00%-0.22 ppHealth Care Supplies0.00%-0.10 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Equipment
Health Care Equipment · weight
0.00%
Industry change · 12M
-3.54 pp
Health Care Equipment · contribution
-3.542 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 |
|---|---|---|---|---|---|---|---|
| Abbott Laboratories → ABT | United States | $193.8bn | 0.001% | +0.000 pp | -0.819 pp | +30.4% | No |
| Medtronic → MDT | United States | $144.1bn | 0.001% | -0.000 pp | -0.787 pp | +1.9% | No |
| Stryker Corporation → SYK | United States | $74.4bn | 0.000% | -0.000 pp | -0.449 pp | -9.1% | No |
| Boston Scientific → BSX | United States | $58.7bn | 0.000% | -0.000 pp | -0.323 pp | -4.0% | No |
| Becton Dickinson → BDX | United States | $54.0bn | 0.000% | -0.000 pp | -0.286 pp | -3.2% | No |
| Baxter International → BAX | United States | $44.1bn | 0.000% | -0.000 pp | -0.244 pp | +0.1% | No |
| Zimmer Biomet → ZBH | United States | $28.3bn | 0.000% | -0.000 pp | -0.151 pp | +2.0% | No |
| Idexx Laboratories → IDXX | United States | $33.3bn | 0.000% | +0.000 pp | -0.135 pp | +35.0% | No |
| ResMed| → RMD | United States | $26.2bn | 0.000% | -0.000 pp | -0.109 pp | +31.0% | No |
| Intuitive Surgical → ISRG | United States | $28.5bn | 0.000% | +0.000 pp | -0.107 pp | +42.9% | No |
| Edwards Lifesciences → EW | United States | $53.4bn | 0.000% | +0.000 pp | -0.083 pp | +16.1% | No |
| Revvity → RVTY | United States | $13.2bn | 0.000% | +0.000 pp | -0.050 pp | +42.8% | No |
| Steris → STE | United States | $13.6bn | 0.000% | -0.000 pp | +0.000 pp | +4.6% | No |
| Dexcom → DXCM | United States | $10.2bn | 0.000% | +0.000 pp | +0.000 pp | +147.9% | 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.