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 $8.77B 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 $721.32M in its March 31, 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 $582.10M, representing an estimated loss of -19.30% 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
682
Total Reported Value
$8.77B
Largest Holder
Blackrock, Inc.
Largest Position
$721.32M
Insider Transactions (90d)
15
Latest Filing Quarter
Q2 2026
New Institutional Positions
55
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 8,761,277 | $721,315,954 | $582,099,244 | -$139,216,710 | -19.30% | |
| Vanguard Capital Management Llc | 0.01% | 7,027,074 | $578,539,002 | $466,878,797 | -$111,660,205 | -19.30% | |
| State Street Corp | 0.01% | 5,120,090 | $421,537,010 | $340,178,780 | -$81,358,230 | -19.30% | |
| Vanguard Portfolio Management Llc | 0.02% | 4,318,795 | $355,566,392 | $286,940,740 | -$68,625,652 | -19.30% | |
| Pictet Asset Management Holding Sa | 0.33% | 3,801,076 | $340,120,280 | $252,543,489 | -$87,576,791 | -25.75% | |
| Wellington Management Group Llp | 0.06% | 3,679,457 | $302,929,695 | $244,463,123 | -$58,466,572 | -19.30% | |
| Dimensional Fund Advisors Lp | 0.05% | 2,967,744 | $244,300,941 | $197,176,911 | -$47,124,030 | -19.29% | |
| Capital International Investors | 0.06% | 2,943,131 | $242,307,975 | $195,541,624 | -$46,766,351 | -19.30% | |
| Geode Capital Management, Llc | 0.01% | 2,884,519 | $236,562,009 | $191,647,442 | -$44,914,567 | -18.99% | |
| Sands Capital Management, Llc | 0.85% | 2,621,085 | $215,793,928 | $174,144,887 | -$41,649,041 | -19.30% | |
| Invesco Ltd. | 0.03% | 2,604,322 | $214,413,830 | $173,031,154 | -$41,382,676 | -19.30% | |
| Brave Warrior Advisors | Glenn Greenberg | 4.83% | 2,372,292 | $195,310,800 | $157,615,080 | -$37,695,720 | -19.30% |
| Coliseum Capital Management, Llc | 14.13% | 2,093,218 | $172,334,638 | $139,073,404 | -$33,261,234 | -19.30% | |
| Diamond Hill Capital Management Inc | 0.91% | 1,763,934 | $145,224,686 | $117,195,775 | -$28,028,911 | -19.30% | |
| Goldman Sachs Group Inc | 0.02% | 1,716,804 | $141,344,473 | $114,064,458 | -$27,280,015 | -19.30% | |
| Focus Partners Wealth | 0.15% | 1,663,200 | $136,931,332 | $110,503,008 | -$26,428,324 | -19.30% | |
| Boston Partners | 0.14% | 1,602,360 | $131,908,852 | $106,460,798 | -$25,448,054 | -19.29% | |
| Morgan Stanley | 0.01% | 1,413,231 | $116,351,346 | $93,895,068 | -$22,456,278 | -19.30% | |
| Fmr Llc | 0.01% | 1,266,304 | $104,254,846 | $84,133,238 | -$20,121,608 | -19.30% | |
| Deutsche Bank Ag\ | 0.03% | 1,134,505 | $93,403,796 | $75,376,512 | -$18,027,284 | -19.30% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,121,077 | $92,298,269 | $74,484,356 | -$17,813,913 | -19.30% | |
| Public Sector Pension Investment Board | 0.27% | 1,061,232 | $87,371,231 | $70,508,254 | -$16,862,977 | -19.30% | |
| Massachusetts Financial Services Co | 0.03% | 1,018,615 | $83,862,573 | $67,676,781 | -$16,185,792 | -19.30% | |
| Northern Trust Corp | 0.01% | 954,772 | $78,606,380 | $63,435,052 | -$15,171,328 | -19.30% | |
| Bank Of America Corp | 0.01% | 885,081 | $72,868,718 | $58,804,782 | -$14,063,936 | -19.30% | |
| Frontier Capital Management Co Llc | 0.73% | 860,494 | $70,844,490 | $57,171,221 | -$13,673,269 | -19.30% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.09% | 822,596 | $67,720,368 | $54,653,278 | -$13,067,090 | -19.30% | |
| Evercore Wealth Management, Llc | 1.04% | 802,718 | $66,087,773 | $53,332,584 | -$12,755,189 | -19.30% | |
| Capital World Investors | 0.01% | 779,198 | $64,151,371 | $51,769,915 | -$12,381,456 | -19.30% | |
| Marshall Wace, Llp | 0.07% | 776,133 | $63,899,029 | $51,566,277 | -$12,332,752 | -19.30% | |
| Ubs Group Ag | 0.01% | 751,127 | $61,840,286 | $49,904,878 | -$11,935,408 | -19.30% | |
| Loews Corp | 0.51% | 740,000 | $60,924,200 | $49,165,600 | -$11,758,600 | -19.30% | |
| Janus Henderson Group Plc | 0.03% | 688,745 | $56,704,326 | $45,760,218 | -$10,944,108 | -19.30% | |
| Fiera Capital Corp | 0.19% | 686,889 | $56,551,572 | $45,636,905 | -$10,914,667 | -19.30% | |
| Clearbridge Investments, Llc | 0.05% | 669,504 | $55,120,258 | $44,481,846 | -$10,638,412 | -19.30% | |
| Vanguard Fiduciary Trust Co | 0.01% | 618,019 | $50,881,504 | $41,061,182 | -$9,820,322 | -19.30% | |
| Point72 Asset Management, L.P. | 0.08% | 572,626 | $47,144,299 | $38,045,271 | -$9,099,028 | -19.30% | |
| Millennium Management Llc | 0.04% | 571,262 | $47,032,000 | $37,954,647 | -$9,077,353 | -19.30% | |
| Neuberger Berman Group Llc | 0.04% | 567,298 | $46,705,678 | $37,691,279 | -$9,014,399 | -19.30% | |
| Holocene Advisors, Lp | 0.11% | 562,881 | $46,341,993 | $37,397,814 | -$8,944,179 | -19.30% | |
| Amundi | 0.01% | 560,567 | $46,151,482 | $37,244,071 | -$8,907,411 | -19.30% | |
| Royal Bank Of Canada | 0.01% | 551,867 | $45,434,000 | $36,666,043 | -$8,767,957 | -19.30% | |
| Bank Of New York Mellon Corp | 0.01% | 537,427 | $44,246,362 | $35,706,650 | -$8,539,712 | -19.30% | |
| Citadel Advisors Llc | 0.03% | 537,269 | $44,233,357 | $35,696,152 | -$8,537,205 | -19.30% | |
| Robotti Robert | 6.72% | 523,597 | $43,107,741 | $34,787,785 | -$8,319,956 | -19.30% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.01% | 515,216 | $42,417,732 | $34,230,951 | -$8,186,781 | -19.30% | |
| Samlyn Capital, Llc | 0.72% | 511,363 | $42,100,516 | $33,974,958 | -$8,125,558 | -19.30% | |
| Long Focus Capital Management, Llc | 1.73% | 479,000 | $39,436,070 | $31,824,760 | -$7,611,310 | -19.30% | |
| Barclays Plc | 0.01% | 461,738 | $38,014,888 | $30,677,873 | -$7,337,015 | -19.30% | |
| Legal & General Group Plc | 0.01% | 442,790 | $36,454,901 | $29,418,968 | -$7,035,933 | -19.30% |
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.