Security record · archived quarter
BLDR
Builders FirstSource, Inc. · Basic Materials · Construction Materials
22Tracked holders
+3Δ holders
49.55MShares held
$5.78BReported value
+4New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +15.8% ·
share flow +0.1% ·
net new positions +13.6%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 149 | -8 | 71.01M | $6.35B | +9 | −16 |
| Q1 2026 | 159 | -4 | 71.68M | $5.90B | +5 | −10 |
| Q4 2025 | 162 | +1 | 79.68M | $8.20B | +5 | −3 |
| Q3 2025 | 21 | -3 | 50.93M | $6.17B | +1 | −5 |
| Q2 2025 | 22 | +3 | 49.55M | $5.78B | +4 | −1 |
| Q1 2025 | 16 | 0 | 16.67M | $2.08B | +1 | −1 |
| Q4 2024 | 16 | -2 | 15.82M | $2.26B | +1 | −3 |
| Q3 2024 | 17 | +1 | 12.21M | $2.37B | +2 | −1 |
| Q2 2024 | 16 | — | 11.49M | $1.59B | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 12.56M | — | $1.47B | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 12.56M | — | $1.47B | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 12.56M | — | $1.47B | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 12.56M | — | $1.47B | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 12.56M | — | $1.47B | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Fidelity (FMR) ✦ | 11.63M | — | $1.36B | 0.1% | n/c | 1 | SEC ↗ |
| 7 | Fidelity (FMR) ✦ | 11.63M | — | $1.36B | 0.1% | n/c | 1 | SEC ↗ |
| 8 | Fidelity (FMR) ✦ | 11.63M | — | $1.36B | 0.1% | n/c | 1 | SEC ↗ |
| 9 | Fidelity (FMR) ✦ | 11.63M | — | $1.36B | 0.1% | n/c | 1 | SEC ↗ |
| 10 | Fidelity (FMR) ✦ | 11.63M | — | $1.36B | 0.1% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 27 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 28 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 29 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 30 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 31 | BlackRock ✦ (passive) | 8.64M | — | $1.01B | 0.0% | n/c | 1 | SEC ↗ |
| 32 | State Street Global Advisors ✦ (passive) | 5.03M | +0.6% | $586.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 34 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 35 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 36 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 37 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 38 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 39 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 40 | Wellington Management ✦ | 3.38M | +5.2% | $394.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 41 | Geode Capital Management ✦ (passive) | 2.88M | -2.5% | $334.92M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 42 | Geode Capital Management ✦ (passive) | 2.88M | -2.5% | $334.92M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 43 | Baillie Gifford ✦ | 1.52M | -2.4% | $177.87M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 44 | Baillie Gifford ✦ | 1.52M | -2.4% | $177.87M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 45 | Baillie Gifford ✦ | 1.52M | -2.4% | $177.87M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 46 | Baillie Gifford ✦ | 1.52M | -2.4% | $177.87M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 47 | Norges Bank ✦ (passive) | 1.27M | -1.3% | $147.99M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 48 | Capital World Investors ✦ | 760.23K | 0.0% | $88.71M | 0.0% | Held | 5 | SEC ↗ |
| 49 | T. Rowe Price ✦ | 290.13K | -0.4% | $33.86M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 50 | T. Rowe Price ✦ | 290.13K | -0.4% | $33.86M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 51 | Two Sigma Investments ✦ | 278.41K | New | $32.49M | 0.1% | New | 1 | SEC ↗ |
| 52 | Renaissance Technologies ✦ | 262.34K | New | $30.61M | 0.0% | New | 1 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 184.32K | -3.3% | $21.51M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 184.32K | -3.3% | $21.51M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 184.32K | -3.3% | $21.51M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 184.32K | -3.3% | $21.51M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 57 | Millennium Management ✦ | 158.45K | +98.1% | $18.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 58 | Adage Capital Partners ✦ | 156.20K | +124.9% | $18.23M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 59 | Fisher Asset Management ✦ | 145.75K | -22.2% | $17.01M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 60 | Gotham Asset Management ✦ | 128.37K | -14.5% | $14.98M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 61 | Citadel Advisors ✦ | 110.54K | -75.9% | $12.90M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 62 | Citadel Advisors ✦ | 110.54K | -75.9% | $12.90M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 63 | Duquesne Family Office ✦ | 85.06K | New | $9.93M | 0.3% | New | 1 | SEC ↗ |
| 64 | Arrowstreet Capital ✦ | 74.30K | +312.1% | $8.67M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 65 | Bridgewater Associates ✦ | 2.62K | -99.1% | $305,611 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | D. E. Shaw & Co. ✦ | 2.30K | New | $268,737 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $32.49M | 0.1% |
| Renaissance Technologies | $30.61M | 0.0% |
| Duquesne Family Office | $9.93M | 0.3% |
| D. E. Shaw & Co. | $268,737 | 0.0% |
Exited
| Marshall Wace | $19.07M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 717 holders, 105.81M shares, $8.56B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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