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
Pharmaceuticals0.00%-6.10 ppHealth Care Equipment0.00%-3.32 ppBiotechnology0.00%-2.84 ppManaged Health Care0.00%-2.16 ppLife Sciences Tools & Services0.00%-1.82 ppHealth Care Services0.00%-1.01 ppHealth Care Distributors0.00%-0.39 ppHealth Care Facilities0.00%-0.28 ppHealth Care Supplies0.00%-0.14 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Equipment
Health Care Equipment · weight
0.00%
Industry change · 12M
-3.32 pp
Health Care Equipment · contribution
-3.324 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 | $135.8bn | 0.001% | -0.761 pp | -0.790 pp | +0.8% | No |
| Medtronic → MDT | United States | $134.9bn | 0.001% | -0.752 pp | -0.704 pp | +13.6% | No |
| Stryker Corporation → SYK | United States | $71.4bn | 0.000% | -0.386 pp | -0.407 pp | +2.2% | No |
| Boston Scientific → BSX | United States | $52.2bn | 0.000% | -0.303 pp | -0.322 pp | -6.8% | No |
| Becton Dickinson → BDX | United States | $49.5bn | 0.000% | -0.270 pp | -0.297 pp | -3.2% | No |
| Baxter International → BAX | United States | $42.6bn | 0.000% | -0.211 pp | -0.222 pp | +12.9% | No |
| Zimmer Biomet → ZBH | United States | $27.3bn | 0.000% | -0.146 pp | -0.143 pp | +10.5% | No |
| Intuitive Surgical → ISRG | United States | $20.6bn | 0.000% | -0.115 pp | -0.121 pp | -2.5% | No |
| Idexx Laboratories → IDXX | United States | $21.7bn | 0.000% | -0.109 pp | -0.105 pp | +20.6% | No |
| ResMed| → RMD | United States | $23.0bn | 0.000% | -0.108 pp | -0.085 pp | +56.9% | No |
| Edwards Lifesciences → EW | United States | $14.3bn | 0.000% | -0.086 pp | -0.068 pp | +21.0% | No |
| Revvity → RVTY | United States | $9.6bn | 0.000% | -0.052 pp | -0.060 pp | -7.9% | No |
| Steris → STE | United States | $13.5bn | 0.000% | +0.000 pp | +0.000 pp | +32.4% | 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.