Builders FirstSource, Inc
Held by 20 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 12008R107 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns BLDR?
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Who owns BLDR? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
Column filters
| # | Manager ↑ | Fund | Shares | Value | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 16 | Bill Miller | Miller Value Partners | 19.11K | $1.71M | 0.4% | Added | +222 | +1.2% | +$19.86K |
| 14 | Boston Partners | Boston Partners Global Investors | 28.13K | $2.52M | 0.0% | Reduced | -1.6M | -98.2% | -$140.84M |
| 11 | Chuck Royce | Royce & Associates | 73.99K | $6.62M | 0.1% | Added | +865 | +1.2% | +$77.40K |
| 18 | David Shaw | D.E. Shaw & Co. | 2.77K | $247.68K | 0.0% | New | +2.8K | — | +$247.68K |
| 3 | Diamond Hill | Diamond Hill Capital Management | 1.51M | $134.91M | 1.1% | Reduced | -256.2K | -14.5% | -$22.93M |
| 10 | Francois Rochon | Giverny Capital | 91.46K | $8.18M | 0.3% | Reduced | -349 | -0.4% | -$31.23K |
| 1 | Glenn Greenberg | Brave Warrior Advisors | 2.34M | $209.43M | 4.6% | Reduced | -31.7K | -1.3% | -$2.84M |
| 7 | Israel Englander | Millennium Management | 354.52K | $31.72M | 0.0% | Reduced | -216.7K | -37.9% | -$19.39M |
| 8 | Jeremy Grantham | GMO | 240.41K | $21.51M | 0.0% | Reduced | -63.6K | -20.9% | -$5.69M |
| 6 | Ken Griffin | Citadel Advisors | 465.51K | $41.65M | 0.0% | Reduced | -71.8K | -13.4% | -$6.42M |
| 19 | LSV Asset Management | LSV Asset Management | 2.00K | $179.00K | 0.0% | Held | 0 | 0.0% | $0 |
| 20 | Matthew McLennan | First Eagle Investment Management | 167 | $14.94K | 0.0% | New | +167 | — | +$14.94K |
| 4 | Norges Bank | Norges Bank Investment Management | 860.96K | $77.04M | 0.0% | — | — | — | — |
| 9 | Parnassus Investments | Parnassus Investments LLC | 144.90K | $12.97M | 0.0% | Reduced | -4.4K | -3.0% | -$394.88K |
| 12 | Ray Dalio | Bridgewater Associates | 51.28K | $4.59M | 0.0% | Added | +47.2K | +1162.5% | +$4.23M |
| 5 | Robert Robotti | Robotti & Co Advisors | 510.16K | $45.65M | 7.4% | Reduced | -13.4K | -2.6% | -$1.20M |
| 2 | Sands Capital | Sands Capital Management | 2.28M | $204.30M | 0.8% | Reduced | -337.8K | -12.9% | -$30.23M |
| 15 | Tweedy, Browne & Co | Tweedy, Browne Company LLC | 19.60K | $1.75M | 0.1% | New | +19.6K | — | +$1.75M |
| 13 | Two Sigma | Two Sigma Investments | 41.22K | $3.69M | 0.0% | Added | +34.6K | +526.8% | +$3.10M |
| 17 | Wasatch Advisors | Wasatch Advisors LP | 10.80K | $966.83K | 0.0% | Reduced | -7.1K | -39.7% | -$635.31K |
Column filters
| Manager | Fund | Shares sold | Value last quarter ↓ |
|---|---|---|---|
| Steve Cohen | Point72 Asset Management | -572.6K | $47.14M |
| Jim Simons | Renaissance Technologies | -220.2K | $18.13M |
| George Soros | Soros Fund Management | -2.7K | $218.67K |
Politician trades
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No politician trades match these filters.