Builders FirstSource, Inc.
Builders FirstSource, Inc. (BLDR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BLDR · as of Sep 30, 2024
Ownership Breakdown
876
Institutional Holders
▲ 59 vs Q2
$21.39B
Total Inst. Value
▲ $6.30B vs Q2
107.56M
Shares Outstanding
freeFloat 97.09%
110.44M
13F Shares Held
▲ 1.30M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BLDR largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC retail-lumber & other building materials dealers | 13.91M | 11.97% | 11.97% | $2.70T | Nov 13, 2024 | ▼ 640.6K |
FMR LLC retail-lumber & other building materials dealers | 10.16M | 8.74% | 8.74% | $1.97T | Nov 13, 2024 | ▲ 3.19M |
BLACKROCK, INC. retail-lumber & other building materials dealers | 9.98M | 8.59% | 8.59% | $1.94T | Nov 13, 2024 | NEW |
STATE STREET CORP retail-lumber & other building materials dealers | 5.12M | 4.41% | 4.41% | $992.48B | Nov 14, 2024 | ▼ 412.6K |
WELLINGTON MANAGEMENT GROUP LLP retail-lumber & other building materials dealers | 3.46M | 2.98% | 2.98% | $670.35B | Nov 14, 2024 | ▼ 821.6K |
BOSTON PARTNERS retail-lumber & other building materials dealers | 2.90M | 2.50% | 2.50% | $561.87B | Nov 12, 2024 | ▲ 462.7K |
GEODE CAPITAL MANAGEMENT, LLC retail-lumber & other building materials dealers | 2.82M | 2.43% | 2.43% | $545.39B | Nov 12, 2024 | ▼ 97.7K |
DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN retail-lumber & other building materials dealers | 2.30M | 1.98% | 1.98% | $446.82B | May 4, 2026 | ▲ 676.1K |
INVESCO LTD. retail-lumber & other building materials dealers | 2.23M | 1.92% | 1.92% | $431.78B | Nov 12, 2024 | ▼ 23.0K |
DIMENSIONAL FUND ADVISORS LP retail-lumber & other building materials dealers | 2.16M | 1.86% | 1.86% | $418.81B | Nov 7, 2024 | ▼ 53.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
25
Increased
+7.88M shares5
New Positions
first time holders20
Decreased
−3.78M shares0
Sold Out
fully exitedNet shares change (top 50)
+4.10M
+7.88M / −3.78M
Net new holders
+10
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BLDR insider trading · insider activity
Source: SEC Form 4
21
Buy transactions
1
Sell transactions
21.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Boydston Cory Jacobs director | Jun 1, 2026 | Award | 409 | $76.26 | $31.2K | 26.7K | Form 4 ↗ |
Renz Maria director | Jun 1, 2026 | Award | 426 | $76.26 | $32.5K | 6.4K | Form 4 ↗ |
OLEARY JAMES director | Jun 1, 2026 | Award | 491 | $76.26 | $37.4K | 91.2K | Form 4 ↗ |
ALEXANDER MARK A director | Jun 1, 2026 | Award | 409 | $76.26 | $31.2K | 47.9K | Form 4 ↗ |
CHRISTOPHE CLEVELAND A director | Jun 1, 2026 | Award | 491 | $76.26 | $37.4K | 38.2K | Form 4 ↗ |
LEVY PAUL S director | Jun 1, 2026 | Award | 1,049 | $76.26 | $80.0K | 1.73M | Form 4 ↗ |
Hayes William B director | Jun 1, 2026 | Award | 508 | $76.26 | $38.7K | 19.6K | Form 4 ↗ |
Charles Dirkson R director | Jun 1, 2026 | Award | 409 | $76.26 | $31.2K | 14.3K | Form 4 ↗ |
Steinke Craig Arthur director | Jun 1, 2026 | Award | 491 | $76.26 | $37.4K | 102.1K | Form 4 ↗ |
LEVY PAUL S director | May 14, 2026 | Award | 2,558 | — | — | 1.73M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Builders FirstSource, Inc. (BLDR) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 2.91%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Builders FirstSource, Inc. is VANGUARD GROUP INC, holding approximately 13.91 million shares — equal to 11.97% of outstanding shares — as of September 30, 2024.
A total of 876 institutional investors currently hold BLDR stock, with a combined institutional value of approximately $21.39 billion as of the most recent 13F filing period.
Frequently asked questions
BLDR ownershipBuilders FirstSource, Inc. (BLDR) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.97% stake. Company insiders hold 2.91%. Data sourced from SEC Form 13F as of September 30, 2024.