EdgeMarketInstruments › BLDR

BLDR — Builders FirstSource, Inc.

US Consumer Discretionary Retail equity mkt cap 7.6B
70.21 -0.16% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 66.01 · high 149.21

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day-0.16%
1 week-3.17%
1 month-0.48%
3 months-4.94%
6 months-36.49%
Year to date-32.90%
1 year-47.11%
3 years-52.32%
5 years+35.65%

Technicals

RSI 1446.4
vs 50-day avg-7.37%
vs 200-day avg-23.79%
Volatility 1y50.8%
Max drawdown 1y-55.76%
Avg volume 30d2.1M
Daily bars held2,674
History from2016-01-04

Measured signals that fired on BLDR

datesignal measured base rate
2026-08-04Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-07-30Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-02Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-25Bollinger bandwidth breaks out of its own compression
structure
-0.63% over 21 days · t = -2.80 · n = 7,196
statistically distinguishable from its control group
2026-06-25Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-05-07Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-07-18Vance Todd
President - East Division
Grant or award3.4K0.000
2026-07-18O'Brien Matthew Coley
Chief Human Resources Officer
Grant or award7.4K0.000
2026-07-18Vaughn Paul
President - West Division
Grant or award3.4K0.000
2026-06-13Narayan Gayatri
President - Tech & Digital
Shares withheld for tax2.8K77.77221.0K
2026-06-05Herron Stephen J
Chief Operating Officer
Gift8500.000
2026-06-04Hiller Michael
COO-Designate
Gift9000.000
2026-06-01LEVY PAUL S
Director
Grant or award1.0K76.2680.0K
2026-06-01Hayes William B
Director
Grant or award50876.2638.7K
2026-06-01Steinke Craig Arthur
Director
Grant or award49176.2637.4K
2026-06-01CHRISTOPHE CLEVELAND A
Director
Grant or award49176.2637.4K

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.721.3M8.8M
VANGUARD CAPITAL MANAGEMENT LLC578.5M7.0M
STATE STREET CORP421.5M5.1M
VANGUARD PORTFOLIO MANAGEMENT LLC355.6M4.3M
WELLINGTON MANAGEMENT GROUP LLP302.9M3.7M
DIMENSIONAL FUND ADVISORS LP244.3M3.0M
Capital International Investors242.3M2.9M
GEODE CAPITAL MANAGEMENT, LLC236.6M2.9M
SANDS CAPITAL MANAGEMENT, LLC215.8M2.6M
Invesco Ltd.214.4M2.6M

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d56.8% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

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