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%-5.24 ppHealth Care Equipment0.00%-3.39 ppBiotechnology0.00%-2.27 ppManaged Health Care0.00%-1.99 ppLife Sciences Tools & Services0.00%-1.75 ppHealth Care Services0.00%-0.93 ppHealth Care Distributors0.00%-0.36 ppHealth Care Facilities0.00%-0.24 ppHealth Care Supplies0.00%-0.11 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Equipment
Health Care Equipment · weight
0.00%
Industry change · 12M
-3.39 pp
Health Care Equipment · contribution
-3.388 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $178.2bn | 0.001% | -0.911 pp | -0.818 pp | +17.4% | No |
| Medtronic → MDT | United States | $129.4bn | 0.001% | -0.732 pp | -0.727 pp | -3.2% | No |
| Stryker Corporation → SYK | United States | $72.6bn | 0.000% | -0.390 pp | -0.417 pp | -6.7% | No |
| Boston Scientific → BSX | United States | $54.0bn | 0.000% | -0.293 pp | -0.314 pp | -9.2% | No |
| Becton Dickinson → BDX | United States | $58.6bn | 0.000% | -0.294 pp | -0.278 pp | +12.7% | No |
| Baxter International → BAX | United States | $43.7bn | 0.000% | -0.253 pp | -0.228 pp | +4.0% | No |
| Zimmer Biomet → ZBH | United States | $27.1bn | 0.000% | -0.134 pp | -0.143 pp | +0.6% | No |
| Idexx Laboratories → IDXX | United States | $33.8bn | 0.000% | -0.132 pp | -0.129 pp | +41.0% | No |
| Intuitive Surgical → ISRG | United States | $26.7bn | 0.000% | -0.111 pp | -0.106 pp | +31.9% | No |
| ResMed| → RMD | United States | $29.3bn | 0.000% | -0.126 pp | -0.098 pp | +59.0% | No |
| Edwards Lifesciences → EW | United States | $48.8bn | 0.000% | -0.084 pp | -0.078 pp | +10.5% | No |
| Revvity → RVTY | United States | $13.2bn | 0.000% | -0.056 pp | -0.051 pp | +38.5% | No |
| Steris → STE | United States | $13.6bn | 0.000% | -0.068 pp | +0.000 pp | +8.2% | No |
| Dexcom → DXCM | United States | $10.4bn | 0.000% | +0.000 pp | +0.000 pp | +177.6% | 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.