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%-6.09 ppHealth Care Equipment0.00%-3.37 ppBiotechnology0.00%-2.70 ppManaged Health Care0.00%-2.12 ppLife Sciences Tools & Services0.00%-1.87 ppHealth Care Services0.00%-0.95 ppHealth Care Distributors0.00%-0.36 ppHealth Care Facilities0.00%-0.26 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
-3.37 pp
Health Care Equipment · contribution
-3.374 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $139.2bn | 0.001% | -0.753 pp | -0.806 pp | +0.3% | No |
| Medtronic → MDT | United States | $120.9bn | 0.001% | -0.745 pp | -0.701 pp | +1.2% | No |
| Stryker Corporation → SYK | United States | $62.4bn | 0.000% | -0.385 pp | -0.423 pp | -14.7% | No |
| Boston Scientific → BSX | United States | $45.6bn | 0.000% | -0.309 pp | -0.305 pp | -15.0% | No |
| Becton Dickinson → BDX | United States | $47.8bn | 0.000% | -0.277 pp | -0.296 pp | -6.8% | No |
| Baxter International → BAX | United States | $41.2bn | 0.000% | -0.209 pp | -0.239 pp | +0.9% | No |
| Zimmer Biomet → ZBH | United States | $20.3bn | 0.000% | -0.147 pp | -0.145 pp | -20.2% | No |
| Intuitive Surgical → ISRG | United States | $19.1bn | 0.000% | -0.112 pp | -0.125 pp | -13.2% | No |
| Idexx Laboratories → IDXX | United States | $20.7bn | 0.000% | -0.110 pp | -0.110 pp | +8.3% | No |
| ResMed| → RMD | United States | $21.3bn | 0.000% | -0.109 pp | -0.085 pp | +43.3% | No |
| Edwards Lifesciences → EW | United States | $13.1bn | 0.000% | -0.080 pp | -0.076 pp | -1.4% | No |
| Revvity → RVTY | United States | $8.4bn | 0.000% | -0.053 pp | -0.061 pp | -21.6% | No |
| Steris → STE | United States | $11.9bn | 0.000% | -0.063 pp | +0.000 pp | +10.4% | 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.