CNR Market Cap History — Cornerstone Building Brands Capitalization Over Time

As of 4/30/2026 Cornerstone Building Brands has a market cap of 4.52 billion. Investors often follow the CNR market cap history to compare the size of the company over time.

This page shows CNR market capitalization trends over time, with 22 market cap datapoints presented, dating back to 5/3/2019.

Quick links: Market Cap History Table  |  Market Cap History Chart  |  About Cornerstone Building Brands
CNR Market Cap History



Below is a table of the CNR market cap history going back to 5/3/2019:

Date CNR Market Cap
5/3/20194.13B
8/2/20192.53B
8/8/2019282.10M
10/31/20191.66B
2/26/2020699.71M
5/5/2020837.64M
8/5/2020640.50M
11/3/2020505.41M
2/24/20211.53B
5/4/20211.33B
7/27/20212.47B
11/2/20212.81B
2/22/20223.57B
4/25/20225.25B
4/26/20225.59B
10/25/20243.17B
1/31/20254.88B
4/30/20253.80B
7/31/20253.80B
10/31/20254.05B
1/30/20264.86B
4/30/20264.52B

Also see: CNR Shares Outstanding History
and CNR YTD Return
CNR Historical Market Cap:
+1.30% CAGR
CNR Historical Market Cap: +1.30% CAGR

Mouse over chart for data details
5/3/2019 ...4/30/2026
CONSOL Energy Inc. is a producer and exporter of high-Btu bituminous thermal coal and metallurgical coal. It owns and operates longwall mining operations in the Northern Appalachian Basin. Its flagship operation is the Pennsylvania Mining Complex, located over 26 miles southwest of Pittsburgh, near the city of Washington and the borough of Waynesburg all in Pennsylvania, and consists of three deep longwall mining operations: the Bailey Mine, the Enlow Fork Mine and the Harvey Mine, as well as a centralized preparation plant. Its segments include the PAMC and the CONSOL Marine Terminal. We show 22 historical shares outstanding datapoints in our CNR shares outstanding history coverage, used to compute CNR market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing CNR market cap history over the course of time is important for investors interested in comparing CNR'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 CNR versus a peer is one thing; comparing CNR 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 CNR can fluctuate over the course of history. With this page we aim to empower investors researching CNR by allowing them to research the CNR market cap history.
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Video: The Importance of Market Cap
Cornerstone Building Brands (CNR) is categorized under the Materials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

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