| SEMG Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the SEMG market cap history going back to 10/27/2010:
Also see: SEMG Shares Outstanding History and SEMG YTD Return |
As of 10/31/2019 SemGroup has a market cap of 1.28 billion. Investors often follow the SEMG market cap history to compare the size of the company over time.
This page shows SEMG market capitalization trends over time, with 38 market cap datapoints presented, dating back to 10/27/2010.

| SEMG Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the SEMG market cap history going back to 10/27/2010:
Also see: SEMG Shares Outstanding History and SEMG YTD Return |
| SEMG Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SEMG Historical Market Cap: +3.50% CAGR
Mouse over chart for data details
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| SEMG Stock Price Chart |
| About SemGroup Corp |
| SemGroup provides gathering, transportation, storage, distribution, marketing and other midstream services primarily to producers, refiners of petroleum products and other market participants located in the Gulf Coast, Midwest and Rocky Mountain regions of the U.S. and Canada. Co. conducts its primary business through three business segments: U.S. Liquids, which operates crude oil pipelines, truck transportation, storage, terminals and marketing businesses in the U.S.; U.S. Gas, which provides natural gas gathering, processing and marketing services; and Canada, which owns and operates natural gas processing and gathering facilities in Alberta, Canada. We show 38 historical shares outstanding datapoints in our SEMG shares outstanding history coverage, used to compute SEMG market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing SEMG market cap history over the course of time is important for investors interested in comparing SEMG's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of SEMG versus a peer is one thing; comparing SEMG market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like SEMG can fluctuate over the course of history. With this page we aim to empower investors researching SEMG by allowing them to research the SEMG market cap history. |
| SEMG Current Stock Quote |
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| Video: The Importance of Market Cap | |
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| SEMG Share Performance |
| Market Cap Peers |
| SemGroup (SEMG) is categorized under the Energy sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
SEP Market Cap History SFL Market Cap History SHLX Market Cap History SKYQ Market Cap History SLB Market Cap History SM Market Cap History SMC Market Cap History SMLP Market Cap History SN Market Cap History SNDE Market Cap History More Energy companies » |
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