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%-5.60 ppHealth Care Equipment0.00%-3.33 ppBiotechnology0.00%-2.40 ppManaged Health Care0.00%-1.95 ppLife Sciences Tools & Services0.00%-1.90 ppHealth Care Services0.00%-0.91 ppHealth Care Distributors0.00%-0.37 ppHealth Care Facilities0.00%-0.25 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
-3.33 pp
Health Care Equipment · contribution
-3.327 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 | $161.7bn | 0.001% | +0.000 pp | -0.799 pp | +10.5% | No |
| Medtronic → MDT | United States | $123.0bn | 0.001% | +0.000 pp | -0.703 pp | -3.2% | No |
| Stryker Corporation → SYK | United States | $67.6bn | 0.000% | +0.000 pp | -0.414 pp | -11.3% | No |
| Boston Scientific → BSX | United States | $49.1bn | 0.000% | +0.000 pp | -0.322 pp | -18.3% | No |
| Becton Dickinson → BDX | United States | $49.9bn | 0.000% | +0.000 pp | -0.281 pp | -3.9% | No |
| Baxter International → BAX | United States | $43.8bn | 0.000% | +0.000 pp | -0.225 pp | +6.2% | No |
| Idexx Laboratories → IDXX | United States | $28.0bn | 0.000% | +0.000 pp | -0.128 pp | +19.9% | No |
| Zimmer Biomet → ZBH | United States | $24.0bn | 0.000% | +0.000 pp | -0.126 pp | +2.2% | No |
| Intuitive Surgical → ISRG | United States | $22.2bn | 0.000% | +0.000 pp | -0.109 pp | +8.6% | No |
| ResMed| → RMD | United States | $27.8bn | 0.000% | +0.000 pp | -0.094 pp | +58.9% | No |
| Edwards Lifesciences → EW | United States | $14.3bn | 0.000% | +0.000 pp | -0.069 pp | +12.2% | No |
| Revvity → RVTY | United States | $10.9bn | 0.000% | +0.000 pp | -0.058 pp | +2.1% | No |
| Steris → STE | United States | $13.0bn | 0.000% | +0.000 pp | +0.000 pp | +4.0% | No |
| Dexcom → DXCM | United States | $9.4bn | 0.000% | +0.000 pp | +0.000 pp | +170.6% | 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.