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
Pharmaceuticals2.37%+2.37 ppHealth Care Equipment1.67%+1.66 ppBiotechnology1.11%+1.10 ppLife Sciences Tools & Services0.99%+0.99 ppManaged Health Care0.94%+0.94 ppHealth Care Services0.42%+0.42 ppHealth Care Distributors0.14%+0.14 ppHealth Care Supplies0.14%+0.14 ppHealth Care Facilities0.12%+0.12 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Equipment
Health Care Equipment · weight
1.67%
Industry change · 12M
+1.66 pp
Health Care Equipment · contribution
+1.664 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2021 · 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 | $212.2bn | 0.424% | -0.391 pp | +0.424 pp | +57.9% | No |
| Medtronic → MDT | United States | $157.4bn | 0.315% | -0.334 pp | +0.314 pp | +18.9% | No |
| Stryker Corporation → SYK | United States | $91.3bn | 0.182% | -0.190 pp | +0.182 pp | +28.9% | No |
| Boston Scientific → BSX | United States | $55.0bn | 0.110% | -0.092 pp | +0.110 pp | +3.7% | No |
| Becton Dickinson → BDX | United States | $53.7bn | 0.107% | -0.114 pp | +0.107 pp | +2.8% | No |
| Edwards Lifesciences → EW | United States | $51.9bn | 0.104% | -0.118 pp | +0.104 pp | +21.7% | No |
| Idexx Laboratories → IDXX | United States | $44.4bn | 0.089% | -0.078 pp | +0.089 pp | +104.4% | No |
| Baxter International → BAX | United States | $39.2bn | 0.078% | -0.087 pp | +0.078 pp | -5.8% | No |
| Zimmer Biomet → ZBH | United States | $32.9bn | 0.066% | -0.062 pp | +0.066 pp | +20.7% | No |
| Intuitive Surgical → ISRG | United States | $28.9bn | 0.058% | -0.063 pp | +0.058 pp | +38.0% | No |
| ResMed| → RMD | United States | $28.1bn | 0.056% | -0.073 pp | +0.056 pp | +22.3% | No |
| Steris → STE | United States | $14.9bn | 0.030% | -0.040 pp | +0.030 pp | +11.2% | No |
| Revvity → RVTY | United States | $14.1bn | 0.028% | -0.035 pp | +0.028 pp | +46.2% | No |
| Dexcom → DXCM | United States | $9.6bn | 0.019% | -0.013 pp | +0.019 pp | +44.1% | 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.