Builders FirstSource, Inc.
BLDR- Exchange
- NYSE
- Industry
- Retail-Lumber & Other Building Materials Dealers
- SEC CIK
- 0001316835
No open-market purchases or sales by Builders FirstSource, Inc. insiders were filed in the last 90 days; 671 institutions reported holding it in 13F filings for Q2 2026, worth $9.63B in total; 3 superinvestors hold it, including D1 Capital Partners and Semper Augustus.
13F holders, Q3 2025
Institutional positions in Builders FirstSource, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 778
- +14 vs. Q2 2025
- Shares held
- 112.1M
- +4.81M (+4.5%) vs. Q2 2025
- Total value
- $13.6B
- +$1.07B (+8.5%) vs. Q2 2025
- New holders
- 110
- 253 more added
- Sold out
- 96
- 307 more reduced
12 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BLDR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 671 | $9.63B |
| Q1 2026 | 726 | $8.74B |
| Q4 2025 | 768 | $10.8B |
| Q3 2025 | 778 | $13.6B |
| Q2 2025 | 776 | $12.7B |
| Q1 2025 | 786 | $13.7B |
| Q4 2024 | 819 | $15.6B |
| Q3 2024 | 832 | $21.4B |
| Q2 2024 | 776 | $15.1B |
| Q1 2024 | 859 | $23.4B |
| Q4 2023 | 745 | $19.3B |
| Q3 2023 | 675 | $14.6B |
| Q2 2023 | 662 | $16.1B |
| Q1 2023 | 544 | $11.5B |
| Q4 2022 | 518 | $9.03B |
| Q3 2022 | 490 | $8.81B |
| Q2 2022 | 491 | $8.58B |
| Q1 2022 | 509 | $11.1B |
| Q4 2021 | 494 | $15.0B |
| Q3 2021 | 404 | $10.5B |
| Q2 2021 | 403 | $8.75B |
| Q1 2021 | 380 | $9.58B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Builders FirstSource, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sender Co & Partners, Inc. | 37,995 | $4.61M | 1.78% | +29,766+361.7% | Added |
| KLP Kapitalforvaltning AS | 37,900 | $4.60M | 0.02% | −5,900−13.5% | Reduced |
| Highland Capital Management, LLC | 36,960 | $4.48M | 0.22% | −390−1.0% | Reduced |
| Dana Investment Advisors, Inc. | 36,789 | $4.46M | 0.13% | −1,060−2.8% | Reduced |
| Mediolanum International Funds Ltd | 37,133 | $4.44M | 0.05% | −89,857−70.8% | Reduced |
| 683 Capital Management, LLC | 36,000 | $4.37M | 0.40% | −2,000−5.3% | Reduced |
| Regents Gate Capital LLP | 35,775 | $4.34M | 1.54% | +35,775 | New |
| Rockbridge Capital Management LLC | 35,507 | $4.31M | 2.54% | −1,179−3.2% | Reduced |
| Moran Wealth Management, LLC | 35,431 | $4.30M | 0.13% | +355+1.0% | Added |
| IPG Investment Advisors LLC | 35,083 | $4.25M | 0.76% | +35,083 | New |
| Resona Asset Management Co.,Ltd. | 34,300 | $4.15M | 0.02% | −3,589−9.5% | Reduced |
| State of Michigan Retirement System | 34,200 | $4.15M | 0.02% | −200−0.6% | Reduced |
| Empowered Funds, LLC | 34,146 | $4.14M | 0.04% | −8,420−19.8% | Reduced |
| Two Sigma Investments, LP | 33,677 | $4.08M | 0.01% | −244,733−87.9% | Reduced |
| Greatmark Investment Partners, Inc. | 33,216 | $4.03M | 0.48% | +2,672+8.7% | Added |
| Engineers Gate Manager LP | 32,735 | $3.97M | 0.05% | +32,735 | New |
| Arizona State Retirement System | 32,719 | $3.97M | 0.02% | −526−1.6% | Reduced |
| Marshall Wace, LLP | 32,650 | $3.96M | 0.00% | +32,650 | New |
| Ascent Group, LLC | 32,185 | $3.90M | 0.14% | +1,006+3.2% | Added |
| Captrust Financial Advisors | 31,975 | $3.88M | 0.01% | −213−0.7% | Reduced |
| Handelsbanken Fonder AB | 31,419 | $3.81M | 0.01% | +3,500+12.5% | Added |
| CenterBook Partners LP | 30,898 | $3.75M | 0.19% | +30,898 | New |
| Walleye Trading LLC | 30,888 | $3.75M | 0.06% | +25,774+504.0% | Added |
| Hantz Financial Services, Inc. | 30,660 | $3.72M | 0.06% | −2,723−8.2% | Reduced |
| HighTower Advisors, LLC | 30,273 | $3.67M | 0.00% | +2,547+9.2% | Added |
| Argent Capital Management LLC | 30,141 | $3.65M | 0.10% | −49−0.2% | Reduced |
| Wolverine Trading, LLC | 30,410 | $3.64M | 0.07% | +7,804+34.5% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 28,537 | $3.44M | 0.03% | −23,569−45.2% | Reduced |
| Jane Street Group, LLC | 28,085 | $3.41M | 0.00% | −8,183−22.6% | Reduced |
| Czech National Bank | 28,077 | $3.40M | 0.02% | +1,064+3.9% | Added |
| IMC-Chicago, LLC | 28,040 | $3.40M | 0.06% | +28,040 | New |
| Regal Investment Advisors LLC | 27,794 | $3.37M | 0.22% | −131−0.5% | Reduced |
| Millennium Management LLC | 27,539 | $3.34M | 0.00% | −130,911−82.6% | Reduced |
| MetLife Investment Management | 27,391 | $3.32M | 0.02% | −784−2.8% | Reduced |
| Rakuten Investment Management, Inc. | 13,952 | $3.32M | 0.01% | +13,952 | New |
| Bridgewater Associates, LP | 27,324 | $3.31M | 0.01% | +24,705+943.3% | Added |
| Federation des caisses Desjardins du Quebec | 27,270 | $3.31M | 0.01% | +2,588+10.5% | Added |
| Danske Bank A/S | 26,803 | $3.25M | 0.01% | −6,000−18.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 26,546 | $3.22M | 0.02% | −558−2.1% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 26,278 | $3.19M | 0.72% | +15,357+140.6% | Added |
| Man Group plc | 26,078 | $3.16M | 0.01% | −106,766−80.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 25,045 | $3.04M | 0.01% | +5,057+25.3% | Added |
| Ritholtz Wealth Management | 24,984 | $3.03M | 0.06% | −273−1.1% | Reduced |
| KCM Investment Advisors LLC | 24,940 | $3.02M | 0.10% | +660+2.7% | Added |
| Fieldview Capital Management, LLC | 24,279 | $2.94M | 0.48% | +24,279 | New |
| Dark Forest Capital Management LP | 24,120 | $2.92M | 0.11% | +24,120 | New |
| Forsta Ap-Fonden | 24,100 | $2.92M | 0.02% | +600+2.6% | Added |
| Simplex Trading, LLC | 23,940 | $2.90M | 0.06% | +23,940 | New |
| Retirement Systems of Alabama | 23,583 | $2.86M | 0.01% | −29,656−55.7% | Reduced |
| Wall Street Access Asset Management, LLC | 23,093 | $2.80M | 0.70% | 00.0% | Unchanged |
| Inkwell Capital LLC | 22,955 | $2.78M | 2.84% | −269−1.2% | Reduced |
| ProShare Advisors LLC | 22,833 | $2.77M | 0.01% | −4,846−17.5% | Reduced |
| IFM Investors Pty Ltd | 23,222 | $2.74M | 0.02% | −15−0.1% | Reduced |
| Interval Partners, LP | 22,616 | $2.74M | 0.06% | −4,535−16.7% | Reduced |
| Group One Trading, L.P. | 22,404 | $2.72M | 0.08% | −1,766−7.3% | Reduced |
| Gabelli Funds LLC | 22,400 | $2.72M | 0.02% | +5,000+28.7% | Added |
| Fisher Asset Management, LLC | 22,361 | $2.71M | 0.00% | −123,394−84.7% | Reduced |
| PCJ Investment Counsel Ltd. | 22,130 | $2.68M | 0.75% | +22,130 | New |
| AYAL Capital Advisors Ltd | 22,000 | $2.67M | 1.54% | −18,000−45.0% | Reduced |
| Jefferies Financial Group Inc. | 22,000 | $2.67M | 0.02% | +2,500+12.8% | Added |
| Occam Crest Management LP | 22,000 | $2.67M | 1.81% | +22,000 | New |
| Creative Planning | 21,975 | $2.66M | 0.00% | +1,107+5.3% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 21,797 | $2.64M | 0.01% | −1,319−5.7% | Reduced |
| Exchange Traded Concepts, LLC | 21,784 | $2.64M | 0.03% | −4,608−17.5% | Reduced |
| Toroso Investments, LLC | 21,400 | $2.59M | 0.01% | +421+2.0% | Added |
| Qsemble Capital Management, LP | 21,269 | $2.58M | 0.25% | +21,269 | New |
| Vise Technologies, Inc. | 21,079 | $2.56M | 0.10% | −188−0.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 20,798 | $2.52M | 0.06% | −457−2.2% | Reduced |
| Boothbay Fund Management, LLC | 20,766 | $2.52M | 0.06% | +20,766 | New |
| Amalgamated Bank | 20,673 | $2.51M | 0.02% | −795−3.7% | Reduced |
| OP Asset Management Ltd | 20,551 | $2.49M | 0.03% | −493−2.3% | Reduced |
| APG Asset Management N.V. | 24,135 | $2.49M | 0.01% | 00.0% | Unchanged |
| Bridges Investment Management Inc | 20,392 | $2.47M | 0.03% | +5,953+41.2% | Added |
| KBC Group NV | 19,972 | $2.42M | 0.01% | +50+0.3% | Added |
| Pecaut & Co. | 19,835 | $2.40M | 0.77% | −1,100−5.3% | Reduced |
| State of Tennessee, Treasury Department | 19,355 | $2.35M | 0.01% | −11,849−38.0% | Reduced |
| South Dakota Investment Council | 19,101 | $2.32M | 0.05% | −1,400−6.8% | Reduced |
| Grange Capital, LLC | 19,088 | $2.31M | 2.24% | +7,261+61.4% | Added |
| Davenport & Co LLC | 19,077 | $2.31M | 0.01% | −29−0.2% | Reduced |
| PEAK6 LLC | 18,792 | $2.28M | 0.06% | +16,683+791.0% | Added |
| Legato Capital Management LLC | 18,749 | $2.27M | 0.25% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 18,500 | $2.24M | 0.03% | −2,500−11.9% | Reduced |
| Holocene Advisors, LP | 18,432 | $2.23M | 0.01% | −20,443−52.6% | Reduced |
| Daiwa Securities Group Inc. | 18,157 | $2.20M | 0.01% | +527+3.0% | Added |
| Utah Retirement Systems | 17,971 | $2.18M | 0.02% | −730−3.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 17,799 | $2.16M | 0.02% | +941+5.6% | Added |
| UniSuper Management Pty Ltd | 17,741 | $2.15M | 0.01% | −678−3.7% | Reduced |
| Scotia Capital Inc. | 17,688 | $2.14M | 0.01% | +306+1.8% | Added |
| Crescent Park Management, L.P. | 17,350 | $2.10M | 0.93% | +17,350 | New |
| Thoroughbred Financial Services, LLC | 17,301 | $2.10M | 0.13% | −891−4.9% | Reduced |
| Prescott Group Capital Management, L.L.C. | 17,041 | $2.07M | 0.22% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 16,839 | $2.04M | 0.02% | +1,417+9.2% | Added |
| Wiley Bros.-Aintree Capital, LLC | 16,761 | $2.03M | 0.01% | +1,113+7.1% | Added |
| Kempen Capital Management N.V. | 16,584 | $2.01M | 0.02% | +8,939+116.9% | Added |
| Hennessy Advisors Inc | 16,300 | $1.98M | 0.07% | +200+1.2% | Added |
| CIBC Asset Management Inc | 16,139 | $1.96M | 0.01% | +50.0% | Added |
| Hancock Whitney Corp | 16,120 | $1.95M | 0.04% | −185−1.1% | Reduced |
| Pathstone Holdings, LLC | 15,944 | $1.93M | 0.01% | −491−3.0% | Reduced |
| Benjamin Edwards Inc | 15,934 | $1.93M | 0.02% | +2,046+14.7% | Added |
| British Columbia Investment Management Corp | 15,887 | $1.93M | 0.01% | −2,011−11.2% | Reduced |