Builders FirstSource (BLDR)
S&P 500 · Industrials · data since 2005-06-28 · last close 2026-09-09
Builders FirstSource (BLDR) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 11.2 | -8.8 | -21.1 | -3.9 | -3.6 | 17.3 | -25.8 | -0.1 | -7.5 | · | · | · |
| 2025 | 17.0 | -16.9 | -10.1 | -4.3 | -10.0 | 8.4 | 8.9 | 9.1 | -12.6 | -4.2 | -3.4 | -8.3 |
| 2024 | 4.1 | 12.3 | 6.8 | -12.3 | -12.1 | -13.9 | 20.9 | 4.0 | 11.4 | -11.6 | 8.8 | -23.4 |
| 2023 | 22.8 | 6.4 | 4.7 | 6.8 | 22.4 | 17.3 | 6.2 | 0.4 | -14.2 | -12.8 | 23.6 | 24.5 |
| 2022 | -20.7 | 9.5 | -13.3 | -4.6 | 5.7 | -17.5 | 26.6 | -13.8 | 0.5 | 4.7 | 3.7 | 1.5 |
| 2021 | -6.3 | 13.1 | 7.2 | 5.0 | -8.5 | -4.2 | 4.3 | 19.8 | -2.9 | 12.6 | 19.2 | 23.4 |
| 2020 | -2.4 | -8.4 | -46.1 | 50.0 | 13.4 | -0.5 | 14.4 | 29.3 | 6.5 | -7.1 | 23.5 | 9.1 |
| 2019 | 21.2 | 5.4 | -4.2 | 3.3 | 2.2 | 19.7 | 1.9 | 13.2 | 5.8 | 9.9 | 12.4 | 0.0 |
| 2018 | -1.7 | -10.5 | 3.4 | -8.1 | 7.4 | -6.6 | -2.0 | -12.9 | -6.0 | -15.7 | 9.3 | -19.4 |
| 2017 | -1.9 | 20.3 | 15.2 | 7.5 | -14.7 | 12.2 | 2.3 | 3.9 | 10.5 | 0.2 | 13.2 | 6.8 |
| 2016 | -27.5 | -1.3 | 42.1 | -1.6 | 6.0 | -4.3 | 14.6 | 6.6 | -16.2 | -16.0 | 14.4 | -0.8 |
| 2015 | -13.8 | 1.9 | 10.6 | 91.3 | -3.8 | 4.6 | 17.1 | -1.5 | -14.4 | -6.8 | 13.9 | -17.7 |
| 2014 | 12.9 | 7.0 | 5.7 | -13.7 | -8.5 | 4.2 | -20.6 | 16.2 | -21.0 | 8.8 | 3.9 | 11.5 |
| 2013 | 12.2 | -3.4 | -3.1 | 5.6 | 8.9 | -11.3 | -1.3 | -3.7 | 3.5 | 26.0 | -4.9 | 1.1 |
| 2012 | 24.0 | 20.9 | 38.2 | -1.4 | -5.0 | 19.7 | -24.1 | 23.6 | 16.6 | 6.2 | -5.6 | 7.3 |
| 2011 | 12.7 | 7.7 | 18.8 | -6.7 | -8.7 | -11.2 | 7.0 | -16.1 | -34.2 | 28.4 | -4.9 | 31.6 |
| 2010 | -12.8 | -10.4 | 5.0 | 21.9 | -12.2 | -28.8 | -10.8 | -7.0 | 14.6 | -11.4 | -21.8 | 24.7 |
| 2009 | -19.6 | 56.1 | 5.2 | 63.9 | 24.2 | 1.2 | 40.9 | 31.2 | -43.3 | -10.8 | -2.1 | 19.8 |
| 2008 | 10.8 | -17.1 | 9.5 | -9.2 | 11.1 | -27.5 | -17.7 | 16.0 | 18.1 | -36.6 | -69.2 | 30.8 |
| 2007 | 1.7 | -0.7 | -10.8 | 0.4 | 3.4 | -3.7 | -8.7 | -10.6 | -17.7 | -32.8 | -4.5 | 4.3 |
| 2006 | 17.2 | -5.3 | -4.2 | -5.1 | -3.7 | -1.9 | -14.7 | -12.5 | 0.2 | 3.9 | 4.9 | 7.4 |
| 2005 | · | · | · | · | · | 1.3 | 23.5 | 1.5 | 10.0 | -12.4 | 1.8 | 7.4 |
| Avg | 2.9 | 3.7 | 2.8 | 8.8 | 0.7 | -1.2 | 2.9 | 4.4 | -4.2 | -3.7 | 1.7 | 6.8 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
BLDR seasonality — average by calendar month
Builders FirstSource has monthly history back to 2005. April carries the highest average at +8.8%, but the median April is -1.4% and only 10 of 21 have finished green: +64% in 2009 and +91% in 2015 carry the whole figure. The steadier month is December — positive in 15 of 21 years, median +7.3%, and higher in 5 of the last 9. October is the soft spot, down in 12 of 21 with a median of -6.8%. Across its full record it has closed 55% of months higher, swings ±17.3% in an average month and has fallen 96.8% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +2.9% | +3.7% | +2.8% | +8.8% | +0.7% | -1.2% | +2.9% | +4.4% | -4.0% | -3.7% | +1.7% | +6.8% |
| Win rate | 57%/21 | 52%/21 | 62%/21 | 48%/21 | 48%/21 | 45%/22 | 59%/22 | 59%/22 | 52%/21 | 43%/21 | 62%/21 | 71%/21 |
Win rate = share of positive months / sample size.
BLDR risk & extremes
BLDR drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
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Frequently asked questions
What was Builders FirstSource's best month?+
Builders FirstSource's strongest completed month on record is April 2015, at +91.30%.
What was Builders FirstSource's worst month?+
Its weakest completed month on record is November 2008, at -69.21%.
Is Builders FirstSource up this year?+
Builders FirstSource is down 40.33% year to date, measured from its last close before 1 January.
What is Builders FirstSource's 1-year return?+
-56.29% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is Builders FirstSource's biggest drawdown?+
The deepest peak-to-trough fall on record is 96.8%, measured on month-end closes since 2005.
Which calendar month is historically best for Builders FirstSource?+
April has the highest average return across every completed April since 2005. An average is not a forecast.
About Builders FirstSource
Builders FirstSource is an S&P 500 company, an industrials business worth about $7 billion. It measures its order book in years, not quarters — with price receipts on this site going back to 2005. And the long game: $100 at its first close here (2005) would be about $487 today.
Did you know?
- Its best month on record was April 2015 at +91.3%; its worst, November 2008 at -69.21%.
- It has closed December in the green 15 out of 21 times — not a promise, just a suspicious habit.
Trivia for entertainment — the numbers come from our price data; the jokes don't.