Builders FirstSource (BLDR) - Market capitalization

Market cap: A$18.41 Billion

As of December 2025 Builders FirstSource has a market cap of A$18.41 Billion. This makes Builders FirstSource the world's 1672th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Builders FirstSource from 2005 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	A$18.41 B	-31.4%
2024	A$26.84 B	-11.19%
2023	A$30.22 B	115.39%
2022	A$14.03 B	-38.02%
2021	A$22.64 B	265.15%
2020	A$6.20 B	47.21%
2019	A$4.21 B	136.33%
2018	A$1.78 B	-43.46%
2017	A$3.15 B	85.71%
2016	A$1.69 B	1.71%
2015	A$1.66 B	102.4%
2014	A$0.82 B	5.36%
2013	A$0.78 B	50.39%
2012	A$0.52 B	170.19%
2011	A$0.19 B	2.63%
2010	A$0.18 B	20.79%
2009	A$0.15 B	98.31%
2008	A$78.34 M	-73.43%
2007	A$0.29 B	-60.07%
2006	A$0.73 B	-22.56%
2005	A$0.95 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Builders FirstSource was reported to be:

A$18.40 Billion

by Nasdaq

A$18.41 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Bluelinx BXC	A$0.72 B	-96.08%	🇺🇸 USA
Masonite DOOR	A$4.42 B	-75.99%	🇺🇸 USA
Boise Cascade BCC	A$4.12 B	-77.58%	🇺🇸 USA
Quanex Building Products NX	A$0.96 B	-94.78%	🇺🇸 USA
Lowe's Companies LOW	A$210.97 B	1,045.75%	🇺🇸 USA
LL Flooring LL	A$39.15 M	-99.79%	🇺🇸 USA
Home Depot HD	A$534.35 B	2,801.92%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Builders FirstSource (BLDR)

Market cap: A$18.41 Billion