← Data Explorer · All industries

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 3843. Companies with no code (SIC 0) and shell companies (SIC 9995) are left out.

As of2020 Q4

Choose a quarter 2000 Q42001 Q12001 Q22001 Q32001 Q42002 Q12002 Q22002 Q32002 Q42003 Q12003 Q22003 Q32003 Q42004 Q12004 Q22004 Q32004 Q42005 Q12005 Q22005 Q32005 Q42006 Q12006 Q22006 Q32006 Q42007 Q12007 Q22007 Q32007 Q42008 Q12008 Q22008 Q32008 Q42009 Q12009 Q22009 Q32009 Q42010 Q12010 Q22010 Q32010 Q42011 Q12011 Q22011 Q32011 Q42012 Q12012 Q22012 Q32012 Q42013 Q12013 Q22013 Q32013 Q42014 Q12014 Q22014 Q32014 Q42015 Q12015 Q22015 Q32015 Q42016 Q12016 Q22016 Q32016 Q42017 Q12017 Q22017 Q32017 Q42018 Q12018 Q22018 Q32018 Q42019 Q12019 Q22019 Q32019 Q42020 Q12020 Q22020 Q32020 Q4

Data cover 2000 Q4 – 2020 Q4, quarterly.

The tiles, heatmap and tables below use the industry’s S&P 500 companies.

Profit weights between the 2 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.

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

The companies, 2020 Q4

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