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
Pharmaceuticals3.41%-0.36 ppManaged Health Care1.27%-0.36 ppHealth Care Equipment1.95%-0.35 ppLife Sciences Tools & Services1.09%-0.18 ppBiotechnology1.60%-0.16 ppHealth Care Services0.42%-0.08 ppHealth Care Technology0.02%+0.02 ppHealth Care Facilities0.17%-0.01 ppHealth Care Supplies0.12%-0.01 ppHealth Care Distributors0.29%-0.00 pp
3 · Sub-industry
Inside Health Care Equipment
Health Care Equipment · weight
1.95%
Industry change · 12M
-0.35 pp
Health Care Equipment · contribution
-0.354 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2024 · 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 | $177.8bn | 0.340% | -0.250 pp | -0.098 pp | +2.2% | No |
| Medtronic → MDT | United States | $108.0bn | 0.207% | -0.111 pp | -0.065 pp | +1.6% | No |
| Becton Dickinson → BDX | United States | $52.7bn | 0.101% | -0.053 pp | -0.033 pp | -2.6% | No |
| Boston Scientific → BSX | United States | $111.1bn | 0.212% | -0.066 pp | +0.030 pp | +46.8% | No |
| Edwards Lifesciences → EW | United States | $52.4bn | 0.100% | -0.046 pp | -0.026 pp | +3.2% | No |
| Insulet Corporation → PODD | United States | $12.4bn | 0.024% | -0.009 pp | -0.023 pp | -35.4% | No |
| Dexcom → DXCM | United States | $47.2bn | 0.090% | -0.037 pp | -0.022 pp | +1.3% | No |
| GE HealthCare → GEHC | United States | $35.6bn | 0.068% | -0.051 pp | -0.021 pp | -1.7% | No |
| Zimmer Biomet → ZBH | United States | $23.7bn | 0.045% | -0.028 pp | -0.020 pp | -8.9% | No |
| ResMed| → RMD | United States | $30.3bn | 0.058% | -0.015 pp | -0.019 pp | -1.1% | No |
| Baxter International → BAX | United States | $17.4bn | 0.033% | -0.026 pp | -0.018 pp | -13.1% | No |
| Idexx Laboratories → IDXX | United States | $41.0bn | 0.078% | -0.059 pp | -0.017 pp | +6.9% | No |
| Stryker Corporation → SYK | United States | $129.9bn | 0.248% | -0.132 pp | -0.010 pp | +25.1% | No |
| Revvity → RVTY | United States | $13.5bn | 0.026% | -0.013 pp | -0.010 pp | -5.0% | No |
| Steris → STE | United States | $22.0bn | 0.042% | -0.024 pp | -0.007 pp | +12.5% | No |
| Intuitive Surgical → ISRG | United States | $142.6bn | 0.273% | -0.117 pp | +0.006 pp | +30.6% | 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.