Builders FirstSource, Inc.

BLDRNYSE

$56.22+0.59 (+1.06% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Builders FirstSource, Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (-55.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	7.28%	$701M	0.01%	Not reported
Vanguard Capital Management LLC	6.37%	$613M	0.01%	Not reported
State Street Corp	4.50%	$433M	0.01%	Not reported
Vanguard Portfolio Management LLC	3.87%	$372M	0.02%	Not reported
Capital International Investors	3.63%	$350M	0.07%	Add 32.76%
Pictet Asset Management Holding SA	3.53%	$340M	0.33%	Add 175.77%
Wellington Management Group LLP	3.22%	$310M	0.05%	Reduce 5.82%
Dimensional Fund Advisors LP	3.20%	$308M	0.06%	Not reported
Invesco Ltd.	3.11%	$299M	0.02%	Not reported
Geode Capital Management, LLC	2.63%	$253M	0.01%	Not reported
Coliseum Capital Management, LLC	2.41%	$232M	20.00%	Add 24.13%
Brave Warrior Advisors, LLC	2.18%	$209M	4.56%	Reduce 1.34%
Sands Capital Management, LLC	2.12%	$204M	0.76%	Reduce 12.89%
D1 Capital Partners L.P.	1.52%	$147M	0.42%	New Not reported
Morgan Stanley	1.44%	$139M	0.01%	Not reported
Diamond Hill Capital Management, LLC (Investment Advisor)	1.40%	$135M	1.08%	Reduce 14.53%
Goldman Sachs Group Inc	1.29%	$125M	0.01%	Not reported
Charles Schwab Investment Management Inc	1.14%	$109M	0.01%	Not reported
Public Sector Pension Investment Board	1.00%	$96.1M	0.25%	Add 1.22%
Holocene Advisors, LP	0.99%	$95.5M	0.22%	Add 89.54%
Capital World Investors	0.93%	$90M	0.01%	Add 29.05%
Bank of America Corp	0.87%	$83.8M	0.01%	Not reported
Arrowstreet Capital, Limited Partnership	0.85%	$81.9M	0.04%	Not reported
Northern Trust Corp	0.83%	$80.4M	0.01%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0.83%	$79.8M	0.10%	Not reported
Ameriprise Financial Inc	0.83%	$79.5M	0.02%	Not reported
Focus Partners Wealth	0.82%	$78.9M	0.08%	Not reported
Norges Bank	0.80%	$77M	0.01%	Not reported
Jupiter Topco LLC	0.77%	$73.9M	0.03%	Not reported
Massachusetts Financial Services Co	0.75%	$72.4M	0.02%	Reduce 20.55%
FMR LLC	0.74%	$71.2M	0.00%	Not reported
Loews Corp	0.72%	$69.8M	0.56%	Add 5.41%
Evercore Wealth Management, LLC	0.71%	$68.8M	0.97%	Reduce 4.18%
UBS Group AG	0.71%	$68.1M	0.01%	Not reported
Atlas FRM LLC	0.67%	$64.2M	2.75%	Add 832.47%
Clearbridge Investments, LLC	0.67%	$64.2M	0.05%	Not reported
Allianz Asset Management GmbH	0.63%	$59.8M	0.05%	Not reported
Westfield Capital Management Co LP	0.61%	$58.7M	0.19%	New Not reported
Frontier Capital Management Co LLC	0.61%	$58.3M	0.54%	Reduce 24.30%
Deutsche Bank Ag\	0.58%	$55.4M	0.02%	Not reported
Long Focus Capital Management, LLC	0.57%	$55.2M	1.41%	Add 28.81%
Zurich Insurance Group Ltd	0.56%	$53.9M	0.37%	Add 428.00%
L1 Capital Pty Ltd	0.56%	$53.7M	1.81%	Add 105.22%
Vanguard Fiduciary Trust Co	0.56%	$53.7M	0.01%	Not reported
Caisse de depot et placement du Quebec	0.56%	$53.6M	0.08%	Add 49.51%
Capital Research Global Investors	0.55%	$53.2M	0.01%	Not reported
Bank of New York Mellon Corp	0.52%	$49.6M	0.01%	Not reported
Semper Augustus Investments Group LLC	0.51%	$49.5M	5.60%	Add 142.64%
Bessemer Group Inc	0.48%	$46.6M	0.06%	Reduce 1.40%
JPMorgan Chase & Co	0.48%	$46.8M	0.00%	Not reported

50 of 622 holders

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