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, Q2 2026
Institutional positions in Builders FirstSource, Inc. as of Jun 30, 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
- 671
- −51 vs. Q1 2026
- Shares held
- 107.6M
- +2.18M (+2.1%) vs. Q1 2026
- Total value
- $9.63B
- +$945.6M (+10.9%) vs. Q1 2026
- New holders
- 98
- 241 more added
- Sold out
- 149
- 261 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Builders FirstSource, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 12,624 | $1.13M | 0.00% | −6,089−32.5% | Reduced |
| Crossingbridge Advisors, LLC | 12,500 | $1.12M | 0.20% | +2,500+25.0% | Added |
| AlphaCentric Advisors LLC | 12,500 | $1.12M | 0.95% | +2,500+25.0% | Added |
| Walleye Trading LLC | 12,411 | $1.11M | 0.02% | +4,874+64.7% | Added |
| Occudo Quantitative Strategies LP | 12,003 | $1.07M | 0.06% | +12,003 | New |
| Ritholtz Wealth Management | 11,959 | $1.07M | 0.02% | −10,615−47.0% | Reduced |
| Rehmann Capital Advisory Group | 11,884 | $1.06M | 0.05% | +308+2.7% | Added |
| Xponance, Inc. | 11,650 | $1.04M | 0.01% | −6,395−35.4% | Reduced |
| Bosman Wealth Management, LLC | 11,558 | $1.03M | 0.64% | +11,558 | New |
| Rakuten Investment Management, Inc. | 11,404 | $1.03M | 0.00% | −5,008−30.5% | Reduced |
| Truvestments Capital LLC | 11,458 | $1.03M | 0.15% | +1,588+16.1% | Added |
| Brinker Capital Investments, LLC | 11,129 | $995.8K | 0.01% | +1,851+20.0% | Added |
| Mutual of America Capital Management LLC | 11,062 | $989.8K | 0.01% | −25,656−69.9% | Reduced |
| JustInvest LLC | 10,887 | $974.2K | 0.01% | +923+9.3% | Added |
| Wasatch Advisors Inc | 10,805 | $966.8K | 0.01% | −7,100−39.7% | Reduced |
| Frec Markets, Inc. | 10,802 | $966.6K | 0.09% | +10,802 | New |
| State of Alaska, Department of Revenue | 10,539 | $943.0K | 0.01% | −520−4.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 12,411 | $939.4K | 0.00% | +8,443+212.8% | Added |
| Marnell Management LLC | 10,372 | $928.1K | 0.47% | −9,400−47.5% | Reduced |
| Brown Brothers Harriman & Co | 10,199 | $912.6K | 0.00% | +8,072+379.5% | Added |
| Atria Investments LLC | 10,006 | $895.4K | 0.01% | +913+10.0% | Added |
| Crown Advisors Management, Inc. | 10,000 | $894.8K | 0.49% | 00.0% | Unchanged |
| Kailix Advisors LLC | 10,000 | $894.8K | 0.86% | +10,000 | New |
| Ensign Peak Advisors, Inc | 9,675 | $865.7K | 0.00% | −6,087−38.6% | Reduced |
| Public Employees Retirement Association of Colorado | 9,659 | $864.0K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 9,504 | $850.4K | 0.00% | −245−2.5% | Reduced |
| Sanctuary Advisors, LLC | 9,471 | $847.4K | 0.00% | +993+11.7% | Added |
| State of Wyoming | 9,255 | $828.1K | 0.08% | +5,887+174.8% | Added |
| Swiss Life Asset Management Ltd | 9,234 | $826.3K | 0.00% | −5,446−37.1% | Reduced |
| Keybank National Association | 9,231 | $826.0K | 0.00% | +2,252+32.3% | Added |
| Fox Run Management, L.L.C. | 9,061 | $810.8K | 0.13% | −3,031−25.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 9,052 | $810.0K | 0.01% | −36,419−80.1% | Reduced |
| Oak Thistle LLC | 8,979 | $803.4K | 0.08% | −1,999−18.2% | Reduced |
| Sippican Capital Advisors | 8,965 | $802.2K | 0.49% | +8,965 | New |
| Nomura Holdings Inc | 8,851 | $792.0K | 0.00% | +8,851 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 8,787 | $786.3K | 0.00% | −9,363−51.6% | Reduced |
| Mizuho Securities USA LLC | 8,421 | $753.5K | 0.01% | +1,736+26.0% | Added |
| Ossiam | 8,386 | $750.4K | 0.01% | 00.0% | Unchanged |
| United Capital Financial Advisers, LLC | 8,235 | $736.9K | 0.00% | −517−5.9% | Reduced |
| Shufro Rose & Co LLC | 8,100 | $724.8K | 0.04% | −1,000−11.0% | Reduced |
| Weiss Asset Management LP | 7,769 | $695.2K | 0.01% | +7,769 | New |
| Boothbay Fund Management, LLC | 7,735 | $692.1K | 0.01% | +3,328+75.5% | Added |
| Principal Securities, Inc. | 7,628 | $682.6K | 0.01% | +250+3.4% | Added |
| Altshuler Shaham Ltd | 7,600 | $680.0K | 0.01% | 00.0% | Unchanged |
| UniSuper Management Pty Ltd | 7,476 | $669.0K | 0.00% | −12,021−61.7% | Reduced |
| Level Four Advisory Services, LLC | 7,464 | $667.9K | 0.02% | −1,557−17.3% | Reduced |
| LVM Capital Management Ltd | 7,445 | $666.0K | 0.06% | +7,445 | New |
| Financial Enhancement Group LLC | 7,322 | $655.2K | 0.08% | −113−1.5% | Reduced |
| Virginia Retirement Systems Et Al | 7,200 | $644.3K | 0.00% | +7,200 | New |
| Park Avenue Securities LLC | 7,171 | $642.0K | 0.00% | −125−1.7% | Reduced |
| Teacher Retirement System of Texas | 7,131 | $638.1K | 0.00% | +7,131 | New |
| Marex Group plc | 7,100 | $635.3K | 0.00% | +3,299+86.8% | Added |
| Harbour Investments, Inc. | 7,065 | $632.1K | 0.01% | +2,710+62.2% | Added |
| Gradient Investments LLC | 6,908 | $618.1K | 0.01% | +103+1.5% | Added |
| TT International Asset Management LTD | 7,247 | $614.3K | 0.08% | −2,354−24.5% | Reduced |
| Kentucky Retirement Systems | 6,849 | $612.8K | 0.02% | +6,849 | New |
| SRS Capital Advisors, Inc. | 6,825 | $610.7K | 0.00% | +5,162+310.4% | Added |
| Farther Finance Advisors, LLC | 6,821 | $610.4K | 0.00% | +41+0.6% | Added |
| Wellington Shields & Co., LLC | 6,817 | $610.0K | 0.14% | −11−0.2% | Reduced |
| NewEdge Wealth, LLC | 6,807 | $609.1K | 0.01% | +769+12.7% | Added |
| Wisconsin Wealth Advisors, LLC | 6,780 | $606.7K | 0.52% | +2,853+72.7% | Added |
| Grange Capital, LLC | 6,760 | $604.9K | 0.56% | −9,304−57.9% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 6,725 | $601.8K | 0.00% | −33,923−83.5% | Reduced |
| Norinchukin Bank, The | 6,705 | $600.0K | 0.01% | −582−8.0% | Reduced |
| Silvercrest Asset Management Group LLC | 6,625 | $592.8K | 0.00% | −207,258−96.9% | Reduced |
| Jump Financial, LLC | 6,622 | $592.5K | 0.01% | +3,230+95.2% | Added |
| Atom Investors LP | 6,620 | $592.4K | 0.05% | −95,443−93.5% | Reduced |
| Moors & Cabot, Inc. | 6,581 | $588.9K | 0.02% | −194−2.9% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 6,550 | $586.1K | 0.02% | −972−12.9% | Reduced |
| Benjamin Edwards Inc | 6,423 | $574.6K | 0.01% | +952+17.4% | Added |
| Gateway Investment Advisers LLC | 6,421 | $574.6K | 0.01% | +6,421 | New |
| Allstate Corp | 6,242 | $558.5K | 0.01% | −5,707−47.8% | Reduced |
| Whittier Trust Co of Nevada Inc | 6,857 | $537.7K | 0.01% | −37,616−84.6% | Reduced |
| Sentinel Dome Partners, LLC | 6,000 | $536.9K | 0.39% | +6,000 | New |
| Hartford Investment Management Co | 5,881 | $526.2K | 0.01% | −494−7.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 6,206 | $526.1K | 0.00% | +534+9.4% | Added |
| Regions Financial Corp | 5,854 | $523.8K | 0.00% | −1,141−16.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 5,772 | $516.5K | 0.00% | −204,221−97.3% | Reduced |
| Coldstream Capital Management Inc | 5,610 | $502.0K | 0.01% | +818+17.1% | Added |
| Evergreen Capital Management LLC | 5,504 | $492.5K | 0.01% | +5,504 | New |
| Louisiana State Employees Retirement System | 5,500 | $492.1K | 0.01% | −100−1.8% | Reduced |
| New Mexico Educational Retirement Board | 5,500 | $492.0K | 0.01% | +400+7.8% | Added |
| Moneta Group Investment Advisors LLC | 5,462 | $488.7K | 0.00% | +28+0.5% | Added |
| Perigon Wealth Management, LLC | 5,460 | $488.6K | 0.01% | +299+5.8% | Added |
| DnB Asset Management AS | 5,429 | $485.8K | 0.00% | −23,899−81.5% | Reduced |
| Oppenheimer Asset Management Inc. | 5,391 | $482.4K | 0.01% | +164+3.1% | Added |
| Jane Street Group, LLC | 5,378 | $481.2K | 0.00% | +5,378 | New |
| Snowden Capital Advisors LLC | 5,376 | $481.0K | 0.01% | −21−0.4% | Reduced |
| J.W. Cole Advisors, Inc. | 5,355 | $479.2K | 0.01% | −74−1.4% | Reduced |
| Maryland State Retirement & Pension System | 5,355 | $479.2K | 0.01% | 00.0% | Unchanged |
| Glenmede Trust Co NA | 5,315 | $475.6K | 0.00% | −1,811−25.4% | Reduced |
| KPP Advisory Services LLC | 5,239 | $468.8K | 0.06% | +91+1.8% | Added |
| Investment Management Corp of Ontario | 5,218 | $466.9K | 0.01% | −2,657−33.7% | Reduced |
| Guggenheim Capital LLC | 5,009 | $448.2K | 0.00% | −1,928−27.8% | Reduced |
| Franklin Resources Inc | 4,979 | $445.5K | 0.00% | −150,342−96.8% | Reduced |
| Knights of Columbus Asset Advisors LLC | 4,943 | $442.3K | 0.02% | −343−6.5% | Reduced |
| Quadrant Capital Group LLC | 4,942 | $442.2K | 0.01% | −431−8.0% | Reduced |
| Aster Capital Management (DIFC) Ltd | 4,868 | $435.6K | 0.09% | +4,866+243,300.0% | Added |
| Mariner, LLC | 4,809 | $430.3K | 0.00% | −3,179−39.8% | Reduced |
| MAI Capital Management | 4,804 | $429.9K | 0.00% | +766+19.0% | Added |