InvestorLens

BLDR — BUILDERS FIRSTSOURCE INC

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About BUILDERS FIRSTSOURCE INC (BLDR)

BUILDERS FIRSTSOURCE INC (BLDR) appears in the most recent 13F filings of 6 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $83M. Across recent filings, tracked investors recorded 12 new positions, 0 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in BLDR

92
/100
Strong Institutional Accumulation
Added / Increased12
Reduced0
Exited1
BearishBullish
Crowded Trade Score™

How many top investors track BLDR

40
/100
Moderate Interest
6investors

Several tracked investors have exposure.

UndiscoveredCrowded
151015+

BLDR Ownership Composition

How BUILDERS FIRSTSOURCE INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
76% of tracked value
Institutions
6
tracked investors
Total Reported
$211.6M
combined 13F value
Sectors2
  • Other75.9%
  • Hedge Funds24.1%
Other(4)
75.9%
Hedge Funds(2)
24.1%

Tracked investors reporting BLDR

  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    1M
    Value
    $83.4M
    % Portfolio
    0.03%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    846.4K
    Value
    $69.7M
    % Portfolio
    0.01%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    616.5K
    Value
    $50.8M
    % Portfolio
    0.07%
  • Paul Tudor JonesMar 31, 2026
    Tudor Investment Corp
    Shares
    87.6K
    Value
    $7.2M
    % Portfolio
    0.01%
  • George SorosMar 31, 2026
    Soros Fund Management
    Shares
    2.7K
    Value
    $218.7K
    % Portfolio
    0.00%
  • Ray DalioMar 31, 2026
    Bridgewater Associates
    Shares
    4.1K
    Value
    $334.4K
    % Portfolio
    0.00%

Recent activity

Frequently asked questions

How many institutional investors hold BLDR?
6 tracked institutional investors disclosed a position in BLDR (BUILDERS FIRSTSOURCE INC) in their most recent 13F filing.
Who is the largest institutional holder of BLDR?
Izzy Englander, Millennium Management, holds the largest disclosed position in BLDR, valued at $83M.
Did institutional ownership of BLDR increase or decrease?
Across recent 13F filings, tracked investors recorded 12 new positions, 0 increased, 0 reduced, and 1 fully exited BLDR.
Where does this BLDR ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.