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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.

Q3 2021 vs. Q2 2021

How the institutions holding Builders FirstSource, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of BLDR: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders4036404+7
Shares205.5M749.0K203.3M−1.40M (−0.7%)
Value$8.75B$31.9M$10.5B+$1.79B (+20.5%)

6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (64)

Institutions that held Builders FirstSource, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to BLDR in Q3 2021
InstitutionSharesValue% of portfolio
HG Vora Capital Management, LLC3,000,000$155.2M5.88%
North Peak Capital Management, LLC1,920,872$99.4M12.78%
Evercore Wealth Management, LLC939,196$48.6M0.88%
Pictet Asset Management SA887,518$45.9M0.05%
Cambiar Investors LLC186,938$9.67M0.33%
Six Columns Capital, LP140,000$7.24M10.66%
Overbrook Management Corp133,078$6.88M1.50%
Crestline Management, LP105,430$5.46M0.52%
Atlantic Investment Management, Inc.100,000$5.17M1.74%
CastleArk Alternatives, LLC83,039$4.30M0.16%
Telemus Capital, LLC70,360$3.64M0.31%
Algert Global LLC61,604$3.19M0.42%
Acadian Asset Management LLC57,831$2.99M0.01%
HighTower Advisors, LLC38,882$2.01M0.01%
Quantitative Investment Management, LLC33,443$1.73M0.16%
Symmetry Partners, LLC21,513$1.13M0.07%
McElhenny Sheffield Capital Management, LLC21,700$1.12M0.51%
D. E. Shaw & Co., Inc.18,206$942.0K0.00%
Diametric Capital, LP14,934$773.0K0.61%
Voloridge Investment Management, LLC13,717$710.0K0.00%
BI Asset Management Fondsmaeglerselskab A/S13,174$682.0K0.03%
Baird Financial Group, Inc.13,077$677.0K0.00%
JustInvest LLC11,840$613.0K0.06%
Donaldson Capital Management, LLC11,801$611.0K0.03%
Perigon Wealth Management, LLC11,764$609.0K0.05%
Eqis Capital Management, Inc.11,375$589.0K0.04%
Landsberg, Bennett, & Dubbaneh LLC9,784$518.0K0.07%
Voss Capital, LLC10,000$517.0K0.21%
Harbour Capital Advisors, LLC8,350$432.0K0.11%
O'Neil Global Advisors, Inc.7,861$407.0K0.31%
Caxton Associates LP7,539$390.0K0.05%
Colony Group LLC7,219$374.0K0.01%
Walleye Capital LLC7,208$373.0K0.01%
Alps Advisors Inc6,948$359.0K0.00%
Exane Derivatives5,485$283.8K0.07%
Wellington Shields & Co., LLC5,399$279.0K0.10%
Wealthsource Partners, LLC5,344$276.0K0.02%
Dark Forest Capital Management LP5,146$266.0K0.09%
Connor, Clark & Lunn Investment Management Ltd.4,868$252.0K0.00%
AlphaCrest Capital Management LLC4,796$248.0K0.01%
Regal Investment Advisors LLC4,514$234.0K0.02%
Sumitomo Mitsui Trust Holdings, Inc.4,468$231.0K0.00%
Boston Private Wealth LLC4,403$227.0K0.00%
Ibex Wealth Advisors4,373$226.0K0.04%
United Capital Financial Advisers, LLC4,350$225.0K0.00%
Belpointe Asset Management LLC4,316$223.0K0.02%
Two Sigma Securities, LLC4,246$220.0K0.05%
Jefferies Group LLC4,000$207.0K0.00%
Global Retirement Partners, LLC2,000$103.0K0.01%
Nomura Asset Management Co Ltd1,140$59.0K0.00%
Goodwin Investment Advisory1,000$52.0K0.05%
Alpha Paradigm Partners, LLC519$27.0K0.01%
Central Trust Co500$26.0K0.00%
Fifth Third Bancorp267$14.0K0.00%
Neo Ivy Capital Management526$11.0K0.01%
Rosenberg Matthew Hamilton188$10.0K0.00%
Bell Investment Advisors, Inc199$10.0K0.00%
Meridian Wealth Partners, LLC88$5.00K0.00%
Kowal Investment Group, LLC87$5.00K0.00%
Huntington National Bank50$3.00K0.00%
Financial Management Professionals, Inc.17$1.00K0.00%
Trustcore Financial Services, LLC25$1.00K0.00%
Zions Bancorporation, N.A.3$00.00%
Sofos Investments, Inc.7––

Sold out (57)

Institutions that held Builders FirstSource, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of BLDR in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
TimesSquare Capital Management, LLC1,456,820$62.1M
HRT Financial LP712,578$30.4M
Duquesne Family Office LLCSuperinvestorDuquesne Family Office566,856$24.2M
Adage Capital Partners GP, L.L.C.400,000$17.1M
Cobalt Capital Management, Inc.300,000$12.8M
Marshall Wace, LLP273,080$11.6M
Masterton Capital Management, LP260,200$11.1M
Alyeska Investment Group, L.P.183,389$7.82M
Squarepoint Ops LLC173,742$7.41M
Balyasny Asset Management LLC147,437$6.29M
Qube Research & Technologies Ltd129,639$5.53M
North Fourth Asset Management, LP116,558$4.97M
Prospect Capital Advisors, LLC102,400$4.37M
Friess Associates LLC86,709$3.70M
Group One Trading, L.P.85,093$3.63M
PEAK6 Investments LLC81,553$3.48M
Hickory Lane Capital Management LP81,250$3.47M
Lisanti Capital Growth, LLC75,200$3.21M
Shay Capital LLC72,480$3.09M
Driehaus Capital Management LLC62,000$2.65M
LMR Partners LLP53,599$2.29M
AdvisorShares Investments LLC46,378$1.98M
Brigade Capital Management, LP45,900$1.96M
Nomura Holdings Inc43,923$1.87M
SummerHaven Investment Management, LLC42,936$1.83M
Vident Investment Advisory, LLC35,840$1.53M
Centiva Capital, LP34,738$1.48M
Duality Advisers, LP29,730$1.27M
Caption Management, LLC28,000$1.19M
Windsor Creek Advisors, LLC27,372$1.17M
Canada Pension Plan Investment Board25,000$1.07M
Sciencast Management LP23,214$987.0K
Capital CS Group, LLC21,801$930.0K
Globeflex Capital L P20,681$882.0K
Virtu Financial LLC18,494$789.0K
Laurion Capital Management LP17,316$739.0K
Waratah Capital Advisors Ltd.16,992$725.0K
Y-Intercept (Hong Kong) Ltd16,288$695.0K
Grantham, Mayo, Van Otterloo & Co. LLC12,919$551.0K
Csenge Advisory Group11,015$481.0K
Level Four Advisory Services, LLC11,126$475.0K
Appleton Group, LLC8,874$379.0K
Wesbanco Bank Inc8,650$369.0K
Fox Run Management, L.L.C.8,520$363.0K
Hexavest Inc.8,066$344.0K
IHT Wealth Management, LLC7,040$300.0K
Panagora Asset Management Inc6,826$291.0K
Amundi6,758$288.0K
Guggenheim Capital LLC6,362$271.0K
Bridgefront Capital, LLC6,134$262.0K
Illinois Municipal Retirement Fund5,954$254.0K
Quantitative Systematic Strategies LLC4,903$209.0K
Advisory Services Network, LLC2,472$105.0K
Exos Asset Management LLC620$26.0K
Anchor Investment Management, LLC156$6.66K
Larson Financial Group LLC71$3.00K
Harel Insurance Investments & Financial Services Ltd.8,000–

Not filed for Q3 2021 yet (6)

Institutions that held Builders FirstSource, Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding BLDR in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Pictet Asset Management Ltd733,311$31.3M
Cipher Capital LP7,882$336.0K
Wexford Capital LP7,656$327.0K
Horan Securities, Inc.45$2.00K
First Horizon Corp43$1.00K
CWM, LLC20$1.00K