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, Q1 2026
Institutional positions in Builders FirstSource, Inc. as of Mar 31, 2026. 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
- 726
- −28 vs. Q4 2025
- Shares held
- 106.1M
- +14.5M (+15.8%) vs. Q4 2025
- Total value
- $8.74B
- −$698.3M (−7.4%) vs. Q4 2025
- New holders
- 105
- 277 more added
- Sold out
- 133
- 241 more reduced
14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Builders FirstSource, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HB Wealth Management, LLC | 5,201 | $428.2K | 0.00% | +1,090+26.5% | Added |
| Oppenheimer Asset Management Inc. | 5,227 | $430.3K | 0.00% | −1,909−26.8% | Reduced |
| Knights of Columbus Asset Advisors LLC | 5,286 | $435.2K | 0.02% | −7,749−59.4% | Reduced |
| AlphaCore Capital LLC | 5,303 | $436.6K | 0.01% | −3,916−42.5% | Reduced |
| Maryland State Retirement & Pension System | 5,355 | $440.9K | 0.01% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 5,373 | $442.4K | 0.01% | −404−7.0% | Reduced |
| Panagora Asset Management Inc | 5,376 | $442.6K | 0.00% | +2,396+80.4% | Added |
| Snowden Capital Advisors LLC | 5,397 | $444.3K | 0.01% | +76+1.4% | Added |
| J.W. Cole Advisors, Inc. | 5,429 | $447.0K | 0.02% | −523−8.8% | Reduced |
| Moneta Group Investment Advisors LLC | 5,434 | $447.4K | 0.00% | +5,434 | New |
| Benjamin Edwards Inc | 5,471 | $450.3K | 0.00% | +1,333+32.2% | Added |
| Allspring Global Investments Holdings, LLC | 5,672 | $459.3K | 0.00% | −231−3.9% | Reduced |
| Louisiana State Employees Retirement System | 5,600 | $461.0K | 0.01% | 00.0% | Unchanged |
| Hodges Capital Management Inc. | 5,734 | $472.1K | 0.04% | −100−1.7% | Reduced |
| Lewis Asset Management, LLC | 5,775 | $475.5K | 0.19% | +5,775 | New |
| ClearAlpha Technologies LP | 5,792 | $476.9K | 0.98% | +1,601+38.2% | Added |
| Hardy Reed LLC | 6,000 | $494.0K | 0.04% | 00.0% | Unchanged |
| NewEdge Wealth, LLC | 6,038 | $497.1K | 0.01% | +1,216+25.2% | Added |
| Tokio Marine Asset Management Co Ltd | 6,173 | $508.2K | 0.02% | +256+4.3% | Added |
| Vestcor Inc | 6,204 | $511.0K | 0.01% | 00.0% | Unchanged |
| Farringdon Capital, Ltd. | 6,251 | $514.6K | 0.11% | +6,251 | New |
| Hartford Investment Management Co | 6,375 | $524.9K | 0.02% | 00.0% | Unchanged |
| Roundview Capital LLC | 6,561 | $540.2K | 0.03% | +6,561 | New |
| Prudential PLC | 6,569 | $540.8K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 6,577 | $541.5K | 0.00% | −176,093−96.4% | Reduced |
| Farther Finance Advisors, LLC | 6,780 | $549.0K | 0.01% | −169−2.4% | Reduced |
| Mizuho Securities USA LLC | 6,685 | $550.4K | 0.01% | −1,367−17.0% | Reduced |
| DRW Securities, LLC | 6,689 | $550.7K | 0.03% | +4,631+225.0% | Added |
| Moors & Cabot, Inc. | 6,775 | $557.8K | 0.02% | −613−8.3% | Reduced |
| Gradient Investments LLC | 6,805 | $560.3K | 0.01% | −106−1.5% | Reduced |
| Wellington Shields & Co., LLC | 6,828 | $562.1K | 0.14% | +38+0.6% | Added |
| Guggenheim Capital LLC | 6,937 | $571.1K | 0.00% | +4,136+147.7% | Added |
| Keybank National Association | 6,979 | $574.6K | 0.00% | −335−4.6% | Reduced |
| Regions Financial Corp | 6,995 | $575.9K | 0.00% | +2,710+63.2% | Added |
| Omers Administration Corp | 7,053 | $580.7K | 0.00% | +1,916+37.3% | Added |
| Glenmede Trust Co NA | 7,126 | $586.7K | 0.00% | +450+6.7% | Added |
| Interchange Capital Partners, LLC | 4,713 | $587.7K | 0.19% | −412−8.0% | Reduced |
| Legato Capital Management LLC | 7,256 | $597.4K | 0.05% | −15,826−68.6% | Reduced |
| Norinchukin Bank, The | 7,287 | $599.9K | 0.01% | +10.0% | Added |
| Park Avenue Securities LLC | 7,296 | $601.0K | 0.00% | +233+3.3% | Added |
| Principal Securities, Inc. | 7,378 | $607.4K | 0.01% | −211−2.8% | Reduced |
| Levin Capital Strategies, L.P. | 7,500 | $617.5K | 0.05% | +3,000+66.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 7,512 | $618.5K | 0.00% | −2,688−26.4% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 7,522 | $619.3K | 0.03% | −80−1.1% | Reduced |
| Walleye Trading LLC | 7,537 | $620.5K | 0.01% | −3,706−33.0% | Reduced |
| Assenagon Asset Management S.A. | 7,577 | $623.8K | 0.00% | −2,069−21.4% | Reduced |
| Westbourne Investments, Inc. | 7,600 | $625.7K | 0.30% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 7,600 | $625.7K | 0.01% | +180+2.4% | Added |
| Candriam Luxembourg S.C.A. | 7,710 | $634.8K | 0.00% | +1,670+27.6% | Added |
| IMC-Chicago, LLC | 7,721 | $635.7K | 0.01% | −23,967−75.6% | Reduced |
| Investment Management Corp of Ontario | 7,875 | $648.3K | 0.01% | +400+5.4% | Added |
| Mariner, LLC | 7,988 | $657.6K | 0.00% | −3,433−30.1% | Reduced |
| Financial Enhancement Group LLC | 7,435 | $658.0K | 0.08% | +2,004+36.9% | Added |
| Intellectus Partners, LLC | 8,025 | $660.7K | 0.13% | +2,325+40.8% | Added |
| Eurizon Capital SGR S.p.A. | 8,232 | $668.5K | 0.00% | −4,327−34.5% | Reduced |
| Standard Life Aberdeen plc | 8,288 | $682.4K | 0.00% | −60,038−87.9% | Reduced |
| Ossiam | 8,386 | $690.4K | 0.01% | −6−0.1% | Reduced |
| Canada Pension Plan Investment Board | 8,436 | $694.5K | 0.00% | −3,374−28.6% | Reduced |
| Sanctuary Advisors, LLC | 8,478 | $698.0K | 0.00% | +4,083+92.9% | Added |
| LRT Capital Management, LLC | 8,540 | $703.1K | 0.66% | +937+12.3% | Added |
| Gulf International Bank (UK) Ltd | 8,678 | $714.0K | 0.02% | +2,445+39.2% | Added |
| United Capital Financial Advisers, LLC | 8,752 | $720.6K | 0.00% | +2,284+35.3% | Added |
| Macquarie Group Ltd | 8,903 | $733.0K | 0.00% | −1,017−10.3% | Reduced |
| Level Four Advisory Services, LLC | 9,021 | $742.7K | 0.02% | +4,769+112.2% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 9,070 | $747.0K | 0.01% | +5,922+188.1% | Added |
| Atria Investments LLC | 9,093 | $748.6K | 0.01% | +4,613+103.0% | Added |
| Shufro Rose & Co LLC | 9,100 | $749.2K | 0.05% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 9,132 | $751.8K | 0.01% | −7,246−44.2% | Reduced |
| Pacer Advisors, Inc. | 9,163 | $754.0K | 0.00% | +96+1.1% | Added |
| Dynamic Technology Lab Private Ltd | 9,183 | $756.0K | 0.12% | +9,183 | New |
| Brinker Capital Investments, LLC | 9,278 | $763.9K | 0.01% | −738−7.4% | Reduced |
| Inceptionr LLC | 9,576 | $788.4K | 0.19% | +613+6.8% | Added |
| Harber Asset Management LLC | 9,600 | $790.4K | 0.51% | +9,600 | New |
| TT International Asset Management LTD | 9,601 | $790.5K | 0.09% | +9,601 | New |
| Public Employees Retirement Association of Colorado | 9,659 | $795.0K | 0.00% | 00.0% | Unchanged |
| Eschler Asset Management LLP | 9,660 | $795.3K | 0.79% | 00.0% | Unchanged |
| Brown Advisory Inc | 9,749 | $802.6K | 0.00% | +5+0.1% | Added |
| The PNC Financial Services Group, Inc. | 9,828 | $809.1K | 0.00% | −2,418−19.7% | Reduced |
| Truvestments Capital LLC | 9,870 | $812.6K | 0.15% | +423+4.5% | Added |
| Abn Amro Investment Solutions | 9,961 | $820.1K | 0.01% | +2,916+41.4% | Added |
| JustInvest LLC | 9,964 | $820.3K | 0.01% | −1,265−11.3% | Reduced |
| Crown Advisors Management, Inc. | 10,000 | $823.0K | 0.55% | 00.0% | Unchanged |
| Union Square Park Capital Management, LLC | 10,000 | $823.3K | 0.72% | +10,000 | New |
| Crossingbridge Advisors, LLC | 10,000 | $823.3K | 0.15% | +10,000 | New |
| AlphaCentric Advisors LLC | 10,000 | $823.3K | 0.82% | +10,000 | New |
| Schroder Investment Management Group | 11,419 | $900.4K | 0.00% | +1,995+21.2% | Added |
| Concentric Capital Strategies, LP | 10,969 | $903.1K | 0.08% | +994+10.0% | Added |
| Oak Thistle LLC | 10,978 | $903.8K | 0.09% | +10,978 | New |
| Intech Investment Management LLC | 10,996 | $905.3K | 0.01% | +10,996 | New |
| State of Alaska, Department of Revenue | 11,059 | $910.0K | 0.01% | +100+0.9% | Added |
| Natixis | 11,233 | $924.8K | 0.00% | +11,233 | New |
| Rehmann Capital Advisory Group | 11,576 | $953.1K | 0.05% | +1,226+11.8% | Added |
| Fox Run Management, L.L.C. | 12,092 | $953.5K | 0.17% | +7,746+178.2% | Added |
| Allstate Corp | 11,949 | $983.8K | 0.01% | +4,640+63.5% | Added |
| US Bancorp | 11,984 | $986.6K | 0.00% | −438−3.5% | Reduced |
| Woodline Partners LP | 12,116 | $997.5K | 0.00% | +12,116 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 12,341 | $1.02M | 0.00% | −86,393−87.5% | Reduced |
| Ameritas Investment Partners, Inc. | 12,463 | $1.03M | 0.03% | −140−1.1% | Reduced |
| Oregon Public Employees Retirement Fund | 12,672 | $1.04M | 0.01% | 00.0% | Unchanged |
| Wincap Financial LLC | 12,758 | $1.05M | 0.70% | +1,345+11.8% | Added |