BUILDERS FIRSTSOURCE INC (BLDR) Institutional Shareholders
BUILDERS FIRSTSOURCE INC (BLDR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $9.52B in BLDR holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of BLDR tracked by InsiderSet, reporting ownership valued at approximately $700.93M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $568.00M, representing an estimated loss of -18.97% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 42% of the total disclosed BLDR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in BUILDERS FIRSTSOURCE INC (BLDR).
This page ranks the largest institutional BLDR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
655
Total Reported Value
$9.52B
Largest Holder
Blackrock, Inc.
Largest Position
$700.93M
Insider Transactions (90d)
15
Latest Filing Quarter
Q2 2026
New Institutional Positions
39
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 7,833,417 | $700,934,166 | $568,001,067 | -$132,933,099 | -18.97% | |
| Vanguard Capital Management Llc | 0.01% | 6,854,631 | $613,352,382 | $497,029,294 | -$116,323,088 | -18.97% | |
| State Street Corp | 0.01% | 4,839,758 | $433,067,055 | $350,930,853 | -$82,136,202 | -18.97% | |
| Vanguard Portfolio Management Llc | 0.02% | 4,162,116 | $372,426,140 | $301,795,031 | -$70,631,109 | -18.97% | |
| Capital International Investors | 0.07% | 3,907,321 | $349,627,083 | $283,319,846 | -$66,307,237 | -18.97% | |
| Pictet Asset Management Holding Sa | 0.33% | 3,801,076 | $340,120,280 | $275,616,021 | -$64,504,259 | -18.97% | |
| Wellington Management Group Llp | 0.05% | 3,465,251 | $310,070,659 | $251,265,350 | -$58,805,309 | -18.97% | |
| Dimensional Fund Advisors Lp | 0.06% | 3,439,279 | $307,763,089 | $249,382,120 | -$58,380,969 | -18.97% | |
| Invesco Ltd. | 0.02% | 3,346,367 | $299,432,919 | $242,645,071 | -$56,787,848 | -18.97% | |
| Geode Capital Management, Llc | 0.01% | 2,834,402 | $253,156,076 | $205,522,489 | -$47,633,587 | -18.82% | |
| Coliseum Capital Management, Llc | 20.00% | 2,598,218 | $232,488,547 | $188,396,787 | -$44,091,760 | -18.97% | |
| Brave Warrior Advisors | Glenn Greenberg | 4.56% | 2,340,571 | $209,434,293 | $169,714,803 | -$39,719,490 | -18.97% |
| Sands Capital Management, Llc | 0.76% | 2,283,236 | $204,303,957 | $165,557,442 | -$38,746,515 | -18.97% | |
| D1 Capital Partners L.P. | 0.42% | 1,639,222 | $146,677,585 | $118,859,987 | -$27,817,598 | -18.97% | |
| Morgan Stanley | 0.01% | 1,552,867 | $138,950,771 | $112,598,386 | -$26,352,385 | -18.97% | |
| Diamond Hill Capital Management Inc | 1.08% | 1,507,684 | $134,907,564 | $109,322,167 | -$25,585,397 | -18.97% | |
| Goldman Sachs Group Inc | 0.01% | 1,391,799 | $124,538,135 | $100,919,345 | -$23,618,790 | -18.97% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,222,034 | $109,347,602 | $88,609,685 | -$20,737,917 | -18.97% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 1,222,034 | $109,347,602 | $88,609,685 | -$20,737,917 | -18.97% | |
| Public Sector Pension Investment Board | 0.25% | 1,074,139 | $96,113,958 | $77,885,819 | -$18,228,139 | -18.97% | |
| Holocene Advisors, Lp | 0.22% | 1,066,869 | $95,463,438 | $77,358,671 | -$18,104,767 | -18.97% | |
| Capital World Investors | 0.01% | 1,005,583 | $89,979,567 | $72,914,823 | -$17,064,744 | -18.97% | |
| Bank Of America Corp | 0.01% | 936,880 | $83,832,023 | $67,933,169 | -$15,898,854 | -18.97% | |
| Arrowstreet Capital, Limited Partnership | 0.04% | 915,658 | $81,933,078 | $66,394,362 | -$15,538,716 | -18.97% | |
| Northern Trust Corp | 0.01% | 898,310 | $80,380,778 | $65,136,458 | -$15,244,320 | -18.97% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.10% | 891,669 | $79,787,837 | $64,654,919 | -$15,132,918 | -18.97% | |
| Ameriprise Financial Inc | 0.02% | 888,118 | $79,469,096 | $64,397,436 | -$15,071,660 | -18.97% | |
| Focus Partners Wealth | 0.08% | 881,993 | $78,920,786 | $63,953,312 | -$14,967,474 | -18.97% | |
| Norges Bank | 0.01% | 860,958 | $77,038,522 | $62,428,065 | -$14,610,457 | -18.97% | |
| Massachusetts Financial Services Co | 0.02% | 809,251 | $72,411,780 | $58,678,790 | -$13,732,990 | -18.97% | |
| Fmr Llc | 0.00% | 795,290 | $71,162,484 | $57,666,478 | -$13,496,006 | -18.97% | |
| Loews Corp | 0.56% | 780,000 | $69,794,400 | $56,557,800 | -$13,236,600 | -18.97% | |
| Evercore Wealth Management, Llc | 0.97% | 769,146 | $68,823,185 | $55,770,776 | -$13,052,409 | -18.97% | |
| Ubs Group Ag | 0.01% | 760,514 | $68,050,792 | $55,144,870 | -$12,905,922 | -18.97% | |
| Atlas Frm Llc | 2.75% | 718,000 | $64,246,640 | $52,062,180 | -$12,184,460 | -18.97% | |
| Clearbridge Investments, Llc | 0.05% | 717,266 | $64,180,973 | $52,008,958 | -$12,172,015 | -18.97% | |
| Allianz Asset Management Gmbh | 0.06% | 674,168 | $59,818,347 | $48,883,922 | -$10,934,425 | -18.28% | |
| Westfield Capital Management Co Lp | 0.19% | 656,421 | $58,736,551 | $47,597,087 | -$11,139,464 | -18.97% | |
| Frontier Capital Management Co Llc | 0.54% | 651,389 | $58,286,271 | $47,232,216 | -$11,054,055 | -18.97% | |
| Janus Henderson Group Plc | 0.03% | 688,745 | $56,704,326 | $49,940,900 | -$6,763,426 | -11.93% | |
| Deutsche Bank Ag\ | 0.02% | 619,057 | $55,393,221 | $44,887,823 | -$10,505,398 | -18.97% | |
| Long Focus Capital Management, Llc | 2.25% | 617,000 | $55,209,160 | $44,738,670 | -$10,470,490 | -18.97% | |
| Zurich Insurance Group Ltd/Fi | 0.37% | 602,233 | $53,887,809 | $43,667,915 | -$10,219,894 | -18.97% | |
| L1 Capital Pty Ltd | 1.81% | 600,269 | $53,712,070 | $43,525,505 | -$10,186,565 | -18.97% | |
| Vanguard Fiduciary Trust Co | 0.01% | 599,598 | $53,652,029 | $43,476,851 | -$10,175,178 | -18.97% | |
| Caisse De Depot Et Placement Du Quebec | 0.08% | 598,900 | $53,589,572 | $43,426,239 | -$10,163,333 | -18.97% | |
| Capital Research Global Investors | 0.01% | 593,700 | $53,191,131 | $43,049,187 | -$10,141,944 | -19.07% | |
| Bank Of New York Mellon Corp | 0.01% | 554,604 | $49,625,955 | $40,214,336 | -$9,411,619 | -18.97% | |
| Semper Augustus Investments Group | Christopher Bloomstran | 5.60% | 553,722 | $49,547,045 | $40,150,382 | -$9,396,663 | -18.97% |
| Jpmorgan Chase & Co | 0.00% | 512,218 | $46,812,934 | $37,140,927 | -$9,672,007 | -20.66% |
Frequently asked questions about BLDR
Who owns the most BLDR stock?
The largest holders of BLDR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for BUILDERS FIRSTSOURCE INC (BLDR).
Is BLDR widely held by superinvestors?
Many widely followed stocks like BLDR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly BLDR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.