Security record · archived quarter
BLDR
Builders FirstSource, Inc. · Basic Materials · Construction Materials
2Tracked holders
0Δ holders
30.54KShares held
$1.66MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 30.54K | $1.66M | n/a | n/a |
| Q2 2026 | 150 | -7 | 70.94M | $6.35B | +10 | −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 | n/a | 11.49M | $1.59B | n/a | n/a |
Who holds it · Q3 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wealth Enhancement Advisory… | 24.55K | +97.8% | $1.32M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | Assenagon Asset Management S.A. | 5.99K | -96.9% | $341,205 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
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.
Oct 05
SC 13G/A: BlackRock, Inc.
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: Q3 2026 ·
Methodology ·
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