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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 2025

Institutional positions in Builders FirstSource, Inc. as of Jun 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
776
0 vs. Q1 2025
Shares held
108.6M
−775.0K (−0.7%) vs. Q1 2025
Total value
$12.7B
−$980.3M (−7.2%) vs. Q1 2025
New holders
120
283 more added
Sold out
120
288 more reduced

10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 776 institutions
Q1 2021: 380 institutionsQ2 2021: 403 institutionsQ3 2021: 404 institutionsQ4 2021: 494 institutionsQ1 2022: 509 institutionsQ2 2022: 491 institutionsQ3 2022: 490 institutionsQ4 2022: 518 institutionsQ1 2023: 544 institutionsQ2 2023: 662 institutionsQ3 2023: 675 institutionsQ4 2023: 745 institutionsQ1 2024: 859 institutionsQ2 2024: 776 institutionsQ3 2024: 832 institutionsQ4 2024: 819 institutionsQ1 2025: 786 institutionsQ2 2025: 776 institutionsQ3 2025: 778 institutionsQ4 2025: 768 institutionsQ1 2026: 726 institutionsQ2 2026: 671 institutions
Value heldQ2 2025: $12.7B
Q1 2021: $9.58BQ2 2021: $8.75BQ3 2021: $10.5BQ4 2021: $15.0BQ1 2022: $11.1BQ2 2022: $8.58BQ3 2022: $8.81BQ4 2022: $9.03BQ1 2023: $11.5BQ2 2023: $16.1BQ3 2023: $14.6BQ4 2023: $19.3BQ1 2024: $23.4BQ2 2024: $15.1BQ3 2024: $21.4BQ4 2024: $15.6BQ1 2025: $13.7BQ2 2025: $12.7BQ3 2025: $13.6BQ4 2025: $10.8BQ1 2026: $8.74BQ2 2026: $9.63B
Institutions holding BLDR and their total value by quarter
QuarterHoldersValue
Q2 2026671$9.63B
Q1 2026726$8.74B
Q4 2025768$10.8B
Q3 2025778$13.6B
Q2 2025776$12.7B
Q1 2025786$13.7B
Q4 2024819$15.6B
Q3 2024832$21.4B
Q2 2024776$15.1B
Q1 2024859$23.4B
Q4 2023745$19.3B
Q3 2023675$14.6B
Q2 2023662$16.1B
Q1 2023544$11.5B
Q4 2022518$9.03B
Q3 2022490$8.81B
Q2 2022491$8.58B
Q1 2022509$11.1B
Q4 2021494$15.0B
Q3 2021404$10.5B
Q2 2021403$8.75B
Q1 2021380$9.58B

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Builders FirstSource, Inc.; share changes are against Q1 2025.

Institutions holding BLDR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Susquehanna International Group, LLP160,925$18.8M0.03%+106,812+197.4%Added
Millennium Management LLC158,450$18.5M0.02%+78,472+98.1%Added
Adage Capital Partners GP, L.L.C.156,200$18.2M0.03%+86,758+124.9%Added
Royal Bank of Canada154,912$18.1M0.00%−51,662−25.0%Reduced
Kettle Hill Capital Management, LLC151,668$17.7M4.10%+151,668New
Caisse de Depot Et Placement du Quebec149,966$17.5M0.04%−46,420−23.6%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC149,214$17.4M0.05%−54,532−26.8%Reduced
New York State Common Retirement Fund148,079$17.3M0.02%+30,051+25.5%Added
Fisher Asset Management, LLC145,755$17.0M0.01%−41,497−22.2%Reduced
Hauser Brothers GmbH142,448$16.6M16.54%+26,548+22.9%Added
Man Group plc132,844$15.5M0.03%+44,463+50.3%Added
Korea Investment CORP130,390$15.2M0.03%+49,220+60.6%Added
Kingdon Capital Management, L.L.C.128,500$15.0M2.90%+128,500New
Gotham Asset Management, LLC128,370$15.0M0.09%−21,712−14.5%Reduced
Punch & Associates Investment Management, Inc.127,838$14.9M0.92%+5,376+4.4%Added
Parnassus Investments127,693$14.9M0.03%+19,723+18.3%Added
Fred Alger Management, LLC127,386$14.9M0.07%−6,098−4.6%Reduced
Mediolanum International Funds Ltd126,990$14.9M0.18%+74,274+140.9%Added
Achmea Investment Management B.V.120,870$14.1M0.18%+4,259+3.7%Added
Principal Financial Group Inc120,552$14.1M0.01%−17,488−12.7%Reduced
Atlantic Investment Management, Inc.119,000$13.9M7.09%+119,000New
State Board of Administration of Florida Retirement System117,359$13.7M0.02%+1,250+1.1%Added
National Bank of Canada113,998$13.3M0.01%+38,029+50.1%Added
Natixis113,804$13.3M0.07%+102,158+877.2%Added
Picton Mahoney Asset Management111,752$13.0M0.18%+33,656+43.1%Added
Citadel Advisors LLC110,544$12.9M0.01%−348,523−75.9%Reduced
Whittier Trust Co109,349$12.8M0.15%+2,521+2.4%Added
Illinois Municipal Retirement Fund109,032$12.7M0.17%+3,125+3.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)107,194$12.5M0.03%+65,581+157.6%Added
Robeco Institutional Asset Management B.V.106,577$12.4M0.02%−991,164−90.3%Reduced
New York State Teachers Retirement System102,854$12.0M0.03%−13,032−11.2%Reduced
Lord, Abbett & Co. LLC102,217$11.9M0.04%+99,144+3,226.3%Added
Federated Hermes, Inc.101,081$11.8M0.02%+31,846+46.0%Added
Concentric Capital Strategies, LP100,936$11.8M0.66%+84,843+527.2%Added
SEI Investments Co100,663$11.7M0.01%+35,676+54.9%Added
Distillate Capital Partners LLC98,871$11.5M0.62%−4,214−4.1%Reduced
Luxor Capital Group, LP96,300$11.2M1.46%+96,300New
STRS Ohio95,668$11.2M0.04%+668+0.7%Added
Advisor Group Holdings, Inc.87,159$10.6M0.02%+60,472+226.6%Added
Allspring Global Investments Holdings, LLC80,969$10.3M0.02%+8,904+12.4%Added
Giverny Capital Inc.SuperinvestorGiverny Capital87,317$10.2M0.35%+4,872+5.9%Added
Andra AP-fonden87,300$10.2M0.14%+6,300+7.8%Added
Paradigm Capital Management Inc85,750$10.0M0.49%00.0%Unchanged
Duquesne Family Office LLCSuperinvestorDuquesne Family Office85,065$9.93M0.25%+85,065New
De Lisle Partners LLP84,501$9.86M1.39%+2,000+2.4%Added
Inherent Management Corp.84,297$9.84M4.98%00.0%Unchanged
Standard Life Aberdeen plc84,235$9.83M0.02%+4,780+6.0%Added
Royce & Associates LP83,121$9.70M0.10%−10,100−10.8%Reduced
Mountain Lake Investment Management LLC81,145$9.47M7.88%+25,861+46.8%Added
Cinctive Capital Management LP79,734$9.30M0.52%+79,734New
M&G Plc76,938$9.00M0.05%+76,938New
Whittier Trust Co of Nevada Inc74,510$8.69M0.20%+2,333+3.2%Added
Arrowstreet Capital, Limited Partnership74,297$8.67M0.01%+56,268+312.1%Added
Ensign Peak Advisors, Inc73,102$8.53M0.01%−154,951−67.9%Reduced
Aviva PLC72,942$8.51M0.02%+68,476+1,533.3%Added
Franklin Resources Inc71,361$8.33M0.00%−31,072−30.3%Reduced
Polar Capital Holdings Plc70,838$8.27M0.04%+18,150+34.4%Added
State of Wisconsin Investment Board70,166$8.19M0.02%−9,293−11.7%Reduced
Prudential Financial Inc69,919$8.16M0.01%+2,558+3.8%Added
Great West Life Assurance Co68,501$8.00M0.01%−1,368−2.0%Reduced
Bank of Montreal68,523$8.00M0.00%−23,203−25.3%Reduced
Wedge Capital Management L L P67,883$7.92M0.14%+9,664+16.6%Added
Schwartz Investment Counsel Inc67,400$7.86M0.26%+65,000+2,708.3%Added
Turtle Creek Asset Management Inc.66,590$7.77M0.23%+33,650+102.2%Added
Manufacturers Life Insurance Company, The64,455$7.52M0.01%−2,336−3.5%Reduced
Kailix Advisors LLC63,495$7.41M11.47%+340+0.5%Added
Mountaineer Partners Management, LLC62,464$7.29M4.82%+4,253+7.3%Added
Hudson Value Partners, LLC60,386$7.05M2.43%+1,355+2.3%Added
Mariner, LLC59,695$6.97M0.01%−271−0.5%Reduced
Natixis Advisors, L.P.59,018$6.89M0.01%+46,766+381.7%Added
Chevy Chase Trust Holdings, Inc.58,613$6.84M0.02%−1,743−2.9%Reduced
CTF Capital Management, LP58,437$6.82M4.04%+58,437New
Nomura Asset Management Co Ltd58,108$6.78M0.02%+3,221+5.9%Added
Royal London Asset Management Ltd57,947$6.76M0.02%+583+1.0%Added
Marathon Capital Management57,727$6.74M1.72%+57,727New
Bamco Inc57,189$6.67M0.02%+57,189New
Cambria Investment Management, L.P.57,126$6.67M0.45%−7,240−11.2%Reduced
Hudson Bay Capital Management LP55,499$6.48M0.04%−75,742−57.7%Reduced
DekaBank Deutsche Girozentrale54,675$6.39M0.01%−1,376−2.5%Reduced
Edentree Asset Management Ltd54,750$6.39M1.77%+54,750New
Retirement Systems of Alabama53,239$6.21M0.02%−1,016−1.9%Reduced
Harber Asset Management LLC52,529$6.13M1.97%+52,529New
Treasurer of the State of North Carolina52,141$6.08M0.02%+329+0.6%Added
Banco Bilbao Vizcaya Argentaria, S.A.52,106$6.08M0.06%−1,591−3.0%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH50,369$5.88M0.01%−977−1.9%Reduced
Mutual of America Capital Management LLC49,991$5.83M0.06%−2,418−4.6%Reduced
Squarepoint Ops LLC49,951$5.83M0.01%+45,406+999.0%Added
Capital Fund Management S.A.49,428$5.77M0.06%+49,428New
Swedbank AB49,010$5.72M0.01%+49,010New
Investment House LLC47,007$5.72M0.29%+6,344+15.6%Added
Rafferty Asset Management, LLC48,915$5.71M0.02%+4,938+11.2%Added
Teachers Retirement System of the State of Kentucky48,902$5.71M0.05%+4,607+10.4%Added
Eagle Global Advisors LLC48,450$5.65M0.23%−1,805−3.6%Reduced
CI Private Wealth, LLC47,120$5.50M0.01%−2,493−5.0%Reduced
Asset Management One Co.,Ltd.46,744$5.45M0.02%−595−1.3%Reduced
Toronto Dominion Bank45,415$5.30M0.01%+5,054+12.5%Added
Altus Wealth Group LLC45,007$5.25M2.32%−140.0%Reduced
Stratos Wealth Partners, LTD.44,624$5.21M0.07%+4,471+11.1%Added
Cullen/Frost Bankers, Inc.44,561$5.20M0.07%+15,185+51.7%Added
Cetera Investment Advisers43,840$5.12M0.01%−5,383−10.9%Reduced