Builders FirstSource Ownership | Who Owns Builders FirstSource?
Builders FirstSource Ownership Summary
Builders FirstSource is owned by 98.96% institutional investors, 2.70% insiders. Vanguard group is the largest institutional shareholder, holding 11.20% of BLDR shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.26% of its assets in Builders FirstSource shares.
BLDR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Builders FirstSource | 98.96% | 2.70% | -1.66% |
| Sector | Basic Materials Stocks | 58.56% | 12.44% | 29.01% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 12.38M | 11.20% | $1.27B |
| Blackrock | 11.34M | 9.30% | $1.57B |
| Blackrock funding, inc. /de | 7.83M | 7.13% | $700.93M |
| Vanguard capital management | 6.85M | 6.24% | $613.35M |
| State street | 4.84M | 4.41% | $433.07M |
| Capital investors | 3.91M | 3.56% | $349.63M |
| Pictet asset management sa | 3.80M | 3.46% | $340.12M |
| Wellington management group llp | 3.47M | 3.15% | $310.07M |
| Dimensional fund advisors lp | 3.44M | 3.13% | $307.76M |
| Invesco | 3.35M | 3.05% | $299.43M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Stadium capital management | 158.89K | 67.68% | $14.22M |
| Coliseum capital management | 2.60M | 20.00% | $232.49M |
| Hauser brothers gmbh | 128.90K | 13.89% | $11.53M |
| Littlejohn | 170.67K | 13.30% | $14.05M |
| Mountain lake investment management | 147.87K | 8.24% | $13.23M |
| Michelson medical research foundation | 97.00K | 8.02% | $8.68M |
| Robotti robert | 510.16K | 7.37% | $45.65M |
| Goodhaven capital management | 228.76K | 6.44% | $20.47M |
| Semper augustus investments group | 553.72K | 5.60% | $49.55M |
| Brave warrior advisors | 2.34M | 4.56% | $209.43M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Pictet asset management sa | 3.80M | 0.33% | 2.42M |
| D1 capital partners | 1.64M | 0.42% | 1.64M |
| Sixth street partners management company | 1.22M | 0.01% | 1.22M |
| Capital investors | 3.91M | 0.07% | 964.19K |
| Norges bank | 860.96K | 0.01% | 860.96K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Boston partners | 28.13K | 0.00% | -1.57M |
| Baillie gifford | - | - | -1.47M |
| Blackrock | 11.34M | 0.04% | -1.44M |
| William blair investment management | - | - | -1.05M |
| Blackrock funding, inc. /de | 7.83M | 0.01% | -927.86K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| D1 capital partners | 1.64M | 0.42% | 1.64M | $146.68M |
| Sixth street partners management company | 1.22M | 0.01% | 1.22M | $109.35M |
| Norges bank | 860.96K | 0.01% | 860.96K | $77.04M |
| Capital research global investors | 593.70K | 0.01% | 593.70K | $53.19M |
| Long pond capital, lp | 245.75K | 2.11% | 245.75K | $21.99M |
Sold Out
| Holder | Change |
|---|---|
| Sugar maple asset management | -1.00 |
| Atlantic union bankshares | -1.00 |
| Gps wealth strategies group | -1.00 |
| Country trust bank | -1.00 |
| Redwood wealth management group | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 695 | -8.67% | 108,727,904 | 2.47% | 98 | 1.09% | 330 | -14.29% | 263 | 6.91% |
| Mar 31, 2026 | 494 | -38.71% | 58,388,804 | -44.48% | 52 | 0.58% | 235 | -37.50% | 166 | -45.57% |
| Dec 31, 2025 | 553 | -32.06% | 70,982,452 | -36.66% | 64 | 0.63% | 247 | -33.42% | 223 | -25.67% |
| Sep 30, 2025 | 772 | -2.77% | 111,348,826 | 5.91% | 100 | 1.12% | 356 | -11.44% | 281 | 1.81% |
| Jun 30, 2025 | 783 | -3.57% | 108,327,925 | 0.13% | 97 | 1.08% | 395 | -4.13% | 271 | -4.91% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 3.70M | 3.26% | -154.58K |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.26M | 3.03% | 9.73K |
| Vanguard Total Stock Mkt Idx Inv | 3.25M | 3.02% | -96.23K |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.25M | 3.02% | -96.23K |
| Vanguard Institutional 500 Index Trust | 3.27M | 2.96% | 20.53K |
| Vanguard 500 Index Investor | 2.82M | 2.62% | 29.99K |
| American Funds Fundamental Invs A | 2.58M | 2.39% | 1.28M |
| Capital Group Fundamental Invtrs Comp | 2.58M | 2.39% | 1.28M |
| Pictet-Clean Energy Transition I USD | 2.55M | 2.37% | 258.07K |
| Invesco S&P 500® Equal Weight ETF | 2.50M | 2.32% | -4.24K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 08, 2026 | Rush David E | - | Sell | $390.85K |
| Mar 13, 2026 | LEVY PAUL S | - | Buy | $4.39M |
| Aug 22, 2025 | Johnson Timothy D | EVP & General Counsel | Sell | $181.06K |
| Jun 10, 2025 | Vance Todd | President - East Division | Buy | $224.99K |
| May 27, 2025 | Charles Dirkson R | - | Buy | $548.35K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 1 |
| 2026 Q1 | 1 | - |
| 2025 Q4 | - | - |
| 2025 Q3 | - | 1 |
| 2025 Q2 | 4 | - |
BLDR Ownership FAQ
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