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%-5.80 ppHealth Care Equipment0.00%-3.29 ppBiotechnology0.00%-2.47 ppManaged Health Care0.00%-2.08 ppLife Sciences Tools & Services0.00%-1.83 ppHealth Care Services0.00%-0.92 ppHealth Care Distributors0.00%-0.36 ppHealth Care Facilities0.00%-0.24 ppHealth Care Supplies0.00%-0.15 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Equipment
Health Care Equipment · weight
0.00%
Industry change · 12M
-3.29 pp
Health Care Equipment · contribution
-3.292 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $167.9bn | 0.001% | +0.000 pp | -0.781 pp | +26.7% | No |
| Medtronic → MDT | United States | $132.1bn | 0.001% | +0.000 pp | -0.722 pp | +8.8% | No |
| Stryker Corporation → SYK | United States | $73.5bn | 0.000% | +0.000 pp | -0.398 pp | +8.0% | No |
| Boston Scientific → BSX | United States | $53.2bn | 0.000% | +0.000 pp | -0.311 pp | -1.1% | No |
| Becton Dickinson → BDX | United States | $51.5bn | 0.000% | +0.000 pp | -0.281 pp | +7.1% | No |
| Baxter International → BAX | United States | $45.8bn | 0.000% | +0.000 pp | -0.218 pp | +23.9% | No |
| Zimmer Biomet → ZBH | United States | $25.4bn | 0.000% | +0.000 pp | -0.132 pp | +11.8% | No |
| Idexx Laboratories → IDXX | United States | $26.2bn | 0.000% | +0.000 pp | -0.125 pp | +23.7% | No |
| Intuitive Surgical → ISRG | United States | $22.5bn | 0.000% | +0.000 pp | -0.104 pp | +24.8% | No |
| ResMed| → RMD | United States | $23.3bn | 0.000% | +0.000 pp | -0.095 pp | +42.4% | No |
| Edwards Lifesciences → EW | United States | $15.5bn | 0.000% | +0.000 pp | -0.069 pp | +31.6% | No |
| Revvity → RVTY | United States | $11.2bn | 0.000% | +0.000 pp | -0.056 pp | +16.7% | No |
| Steris → STE | United States | $14.1bn | 0.000% | +0.000 pp | +0.000 pp | +25.3% | No |
| Dexcom → DXCM | United States | $8.7bn | 0.000% | +0.000 pp | +0.000 pp | +211.9% | 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.