BUILDERS FIRSTSOURCE INC

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BLDR·12008R107·US·Common Stock·Industrials - Building Products & Equipment-13D/G

BLDR (BUILDERS FIRSTSOURCE INC) is held by 256 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($700.9M), VANGUARD CAPITAL MANAGEMENT LLC ($613.4M), STATE STREET CORP ($433.1M). Net institutional sentiment: Mixed.

256

Holders

(20 Elite)

$8B

Total Value

41% (291)

Consensus

118 buying - 173 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)42

Insider (Form 4)60

Activist (13D/13G)31

Congressional (STOCK Act)51

Holder Quality

65

★★★★★

Elite

45

★★★★

Strong

73

★★★

Solid

31

★★

Below

46

★

Weak

Held by 256 funds

20 elite

Who's Trading

Source dates: Price Oct 16, 2026 · Insiders Sep 14, 2026 · Activists Oct 5, 2026 · Congress none

ActivistBlackRock, Inc.12.0%Oct 5, 2026

InsiderCRCharles Dirkson RVest 470 shSep 10, 2026

InsiderLSLEVY PAUL SVest 1K shSep 10, 2026

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Top Holders

Top Holders (256)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	7.8M(-10.6%)	$700.9M	0.0%	-71.47%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	6.9M(-2.5%)	$613.4M	0.0%	-33.62%	0
STATE STREET CORP	Decreased	4.8M(-5.5%)	$433.1M	0.0%	-11.78%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Decreased	4.2M(-3.6%)	$372.4M	0.0%	-33.62%	0
Capital International Investors	Increased	3.9M(+32.8%)	$349.6M	0.1%	-49.98%	40
Pictet Asset Management Holding SA	Increased	3.8M(+175.8%)	$340.1M	0.3%	-41.77%	60
WELLINGTON MANAGEMENT GROUP LLP	Decreased	3.5M(-5.8%)	$310.1M	0.1%	-30.88%	0
DIMENSIONAL FUND ADVISORS LP	Increased	3.4M(+15.9%)	$307.8M	0.1%	-13.06%	36
Invesco Ltd.	Increased	3.3M(+28.5%)	$299.4M	0.0%	-43.47%	39
GEODE CAPITAL MANAGEMENT, LLC	Decreased	2.8M(-1.7%)	$253.2M	0.0%	-30.59%	0
SANDS CAPITAL MANAGEMENT, LLC	Decreased	2.3M(-12.9%)	$204.3M	0.8%	-54.62%	0
D1 Capital Partners L.P.	New	1.6M	$146.7M	0.4%	-38.92%	50
MORGAN STANLEY	Increased	1.6M(+9.9%)	$139M	0.0%	-57.64%	33
Diamond Hill Capital Management, LLC (Investment Advisor)	Decreased	1.5M(-14.5%)	$134.9M	1.1%	-65.21%	0
GOLDMAN SACHS GROUP INC	Decreased	1.4M(-18.9%)	$124.5M	0.0%	-48.43%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	1.2M(+9.0%)	$109.3M	0.0%	-46.07%	33
PUBLIC SECTOR PENSION INVESTMENT BOARD	Increased	1.1M(+1.2%)	$96.1M	0.2%	-53.64%	36
Holocene Advisors, LP	Increased	1.1M(+89.5%)	$95.5M	0.2%	-37.09%	56
Capital World Investors	Increased	1M(+29.1%)	$90M	0.0%	-15.48%	37
BANK OF AMERICA CORP /DE/	Increased	936,880(+5.8%)	$83.8M	0.0%	-53.34%	32

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer