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Major group 38: Measuring, analyzing, and controlling instruments; photographic, medical and optical goods; watches and clocks
Part of 384 Surgical, medical, and dental instruments and supplies
Companies with SIC industry code 3845. Companies with no code (SIC 0) and shell companies (SIC 9995) are left out.
The tiles, heatmap and tables below use the industry’s S&P 500 companies.
Average profit weight in the industry over time
The mean profit weight over every ordered pair of the industry’s companies, each quarter: S&P 500 companies (solid) and all companies (faded). Click a quarter to show it.
Computed from the current data release, using every firm in the sample. Published papers used earlier releases and samples, so their figures differ slightly.
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Profit weights between the 5 largest companies, 2020 Q4
Each cell is the profit weight of the row company’s shareholders on the column company (darker: higher). Companies are ordered so that tightly linked groups form blocks. Largest means most reported owners. Click a cell to compare the two companies.
| Intuitive Surgical Inc | Dexcom Inc | Resmed Inc | Boston Scientific Corp | Varian Medical System… | Report | |
|---|---|---|---|---|---|---|
| Intuitive Surgical Inc | 0.89 | 0.75 | 0.70 | 0.64 | ||
| Dexcom Inc | 0.77 | 0.77 | 0.71 | 0.64 | ||
| Resmed Inc | 0.72 | 0.86 | 0.74 | 0.75 | ||
| Boston Scientific Corp | 0.72 | 0.84 | 0.78 | 0.71 | ||
| Varian Medical Systems Inc | 0.72 | 0.83 | 0.86 | 0.78 |
Investors who drive it, 2020 Q4
The investors that contribute most to the industry’s average profit weight: roughly, those holding sizeable stakes in many of its companies at once. Investor types are inferred from the forms each investor files with the SEC and are under review. Anyone filing Forms 3/4/5 counts as an insider unless they also file 13F, in which case they count as an asset manager (such as Carl Icahn).
- Big Three
- Asset manager
- Non-financial blockholder
- Activist
- Insider
| # | Investor | Type | Companies held here | Share of the average | SEC CIK | Report |
|---|---|---|---|---|---|---|
| 1 | Vanguard Group Inc | Big Three | 5 | 40% | 102909 | |
| 2 | BlackRock Inc. | Big Three | 5 | 31% | 1364742 | |
| 3 | State Street Corp | Big Three | 5 | 8% | 93751 | |
| 4 | FMR Llc*Fil LTD | Asset manager | 5 | 7% | 315066 | |
| 5 | Morgan Stanley | Asset manager | 5 | 1% | 895421 | |
| 6 | Price T Rowe Associates Inc /MD/ | Asset manager | 5 | 1% | 80255 | |
| 7 | Capital International Inc /Ca/*Capital International Sarl*Capital International LTD /Ca/*Capital Research Global Investors*Capital World Investors*Capital International Investors*Capital Bank & Trust Co | Asset manager | 4 | 1% | 732812 | |
| 8 | JPMorgan Chase & Co | Asset manager | 5 | 1% | 19617 | |
| 9 | Geode Capital Management, LLC | Asset manager | 5 | 1% | 1214717 | |
| 10 | Baillie Gifford & Co | Asset manager | 3 | 1% | 1088875 | |
| 11 | Bank of New York Mellon Corp | Asset manager | 5 | 0.8% | 1629943 | |
| 12 | Janus Henderson Group PLC | Asset manager | 5 | 0.7% | 1274173 | |
| 13 | Northern Trust Corp | Asset manager | 5 | 0.6% | 73124 | |
| 14 | Wellington Management Group LLP | Asset manager | 5 | 0.6% | 902219 | |
| 15 | UBS Asset Management Americas Inc*Ubs Group AG | Asset manager | 5 | 0.4% | 1610520 | |
| 16 | Norges Bank | Asset manager | 5 | 0.4% | 1374170 | |
| 17 | Invesco LTD. | Asset manager | 5 | 0.3% | 914208 | |
| 18 | Nuveen Asset Management, LLC | Asset manager | 5 | 0.2% | 1521019 | |
| 19 | Legal & General Group PLC | Asset manager | 5 | 0.2% | 764068 | |
| 20 | Bank of America Corp /DE/ | Asset manager | 5 | 0.2% | 70858 | |
| 21 | Sumitomo Mitsui Trust Holdings, Inc. | Asset manager | 5 | 0.1% | 1475365 | |
| 22 | Artisan Partners Limited Partnership | Asset manager | 2 | 0.1% | 1010643 | |
| 23 | Charles Schwab Investment Management Inc | Asset manager | 5 | 0.1% | 884546 | |
| 24 | Wells Fargo & Company/Mn | Asset manager | 5 | 0.1% | 72971 | |
| 25 | Jennison Associates LLC | Asset manager | 3 | 0.1% | 53417 |
The companies, 2020 Q4
| Company | Reported owners | Reported ownership | SEC CIK | Report |
|---|---|---|---|---|
| Intuitive Surgical Inc SIC 3845 · S&P 500 | 1102 | 87.23% | 1035267 | |
| Boston Scientific Corp SIC 3845 · S&P 500 | 835 | 88.97% | 885725 | |
| Dexcom Inc SIC 3845 · S&P 500 | 699 | 95.04% | 1093557 | |
| Resmed Inc SIC 3845 · S&P 500 | 644 | 71.02% | 943819 | |
| Varian Medical Systems Inc SIC 3845 · S&P 500 | 612 | 89.67% | 203527 |
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