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Disclosery

BLDR BUILDERS FIRSTSOURCE INC

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Stock (common), issuer CIK 1316835

710 managers (727 13F filers) reported a position in BLDR shares at 2026-03-31, 106,130,935 shares in all. 93 filers opened a position and 135 filers sold out during the quarter.

Managers
710
13F filers
727
New
93
Added
278
Reduced
241
Sold out
135
Shares held by filers
106,130,935

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Lewis Asset Management, LLC5,775$475K0.19%new13F-HRTimeline
Hodges Capital Management Inc.5,734$472K0.04%-10013F-HRTimeline
Louisiana State Employees Retirement Sy…5,600$461K0.01%013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …5,672$459K<0.01%-23113F-HRTimelineGroup
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC5,471$450K<0.01%+1,33313F-HRTimelineGroup
MONETA GROUP INVESTMENT ADVISORS LLC5,434$447K<0.01%new13F-HRTimeline
J.W. COLE ADVISORS, INC.5,429$447K0.02%-52313F-HRTimeline
Snowden Capital Advisors LLC5,397$444K0.01%+7613F-HRTimeline
PANAGORA ASSET MANAGEMENT INC5,376$443K<0.01%+2,39613F-HRTimeline
QUADRANT CAPITAL GROUP LLC5,373$442K0.01%-40413F-HR/ATimeline
Maryland State Retirement & Pension Sys…5,355$441K0.01%013F-HRTimeline
AlphaCore Capital LLC5,303$437K0.01%-3,91613F-HRTimeline
Knights of Columbus Asset Advisors LLC5,286$435K0.02%-7,74913F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding5,227$430K-8,773Timeline
HB Wealth Management, LLC5,201$428K<0.01%+1,09013F-HRTimeline
Perigon Wealth Management, LLC5,161$425K0.01%+10013F-HRTimeline
KPP Advisory Services LLC5,148$424K0.06%+28913F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD5,100$420K0.01%013F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding4,882$402K-1,102Timeline
Commonwealth Financial Services, LLC4,805$396K0.06%+513F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC4,792$395K<0.01%-31113F-HRTimeline
LANDMARK INVESTMENT PARTNERS, L.P.4,726$389K0.4%new13F-HRTimeline
E. Ohman J:or Asset Management AB4,700$387K0.01%013F-HRTimeline
Caprock Group, LLC4,661$384K0.01%-6,95713F-HRTimeline
EVOLVE PRIVATE WEALTH, LLC4,661$384K0.02%-30013F-HRTimeline
Centiva Capital, LP4,540$374K0.02%new13F-HRTimeline
Perpetual Ltdin group Perpetual Ltd4,531$373K0.01%+1,24513F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC4,520$372K<0.01%-2,55713F-HRTimelineGroup
Diametric Capital, LP4,441$366K0.1%+2,25813F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC4,407$363K0.01%new13F-HRTimeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC4,403$362K0.01%-26913F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.4,355$359K0.01%+3,70213F-HRTimeline
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A4,351$358K<0.01%-3813F-HRTimelineGroup
Wealth Group, Ltd.4,350$358K0.33%+30013F-HRTimeline
Alphadyne Asset Management LP4,299$354K0.05%+2,68513F-HRTimeline
SHEPHERD WEALTH MANAGEMENT Ltd LIABILIT…2,600$346K0.26%new13F-HRTimeline
Crossmark Global Holdings, Inc.4,195$345K0.01%-14213F-HRTimeline
Leonteq Securities AG4,090$337K0.02%+2,40213F-HRTimeline
Saudi Central Bank4,082$336K0.01%new13F-HRTimeline
FIRST MANHATTAN CO. LLC.4,071$335K<0.01%new13F-HRTimeline
Bridgewater Associates, LP4,062$334K<0.01%new13F-HRTimeline
MAI Capital Management4,038$332K<0.01%-1513F-HRTimeline
NewEdge Advisors, LLC4,014$330K<0.01%-57913F-HR/ATimeline
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)4,000$329K<0.01%+1,60013F-HRTimelineGroup
FORMULA GROWTH LTD4,000$329K0.15%013F-HRTimeline
GREAT VALLEY ADVISOR GROUP, INC.in group GREAT VALLEY ADVISOR GROUP, I…3,975$327K0.01%+36913F-HRTimelineGroup
Peak Planning Group, LLC3,973$327K0.09%013F-HRTimeline
Wisconsin Wealth Advisors, LLC3,927$323K0.32%013F-HRTimeline
Alamea Verwaltungs GmbH3,903$321K0.24%+86413F-HRTimeline
Obermeyer Wealth Partners3,844$316K0.01%013F-HRTimeline
Y.D. More Investments Ltdin group Y.D. More Investments Ltd3,817$314K0.01%-4913F-HRTimelineGroup
MQS Management LLC3,814$314K0.21%-92513F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…3,968$314K<0.01%-8,31613F-HRTimeline
Marex Group Ltdin group Marex Group Ltd3,801$313K<0.01%-80413F-HRTimelineGroup
BLALOCK WILLIAMS, LLC3,795$312K0.24%+10613F-HRTimeline
PEAK6 LLCin group PEAK6 LLC3,779$311K0.01%-7,77513F-HRTimelineGroup
Oslo Pensjonsforsikring AS3,741$308K0.05%+1,72713F-HRTimeline
AlphaGrep UK Ltd3,666$302K0.09%new13F-HRTimeline
Ring Mountain Capital, LLC3,642$300K0.16%-7013F-HRTimeline
Sterling Capital Management LLC3,640$300K0.01%-2,79213F-HRTimeline
Neo Ivy Capital Management3,593$296K0.08%new13F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.3,557$293K<0.01%-40,13413F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC3,550$292K<0.01%-36,96813F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC3,542$292K<0.01%-4,73613F-HRTimelineGroup
Medallion Wealth Advisors, LLC3,498$288K0.09%013F-HRTimeline
Vestmark Advisory Solutions, Inc.3,474$286K<0.01%+1,20013F-HRTimeline
Deseret Mutual Benefit Administrators3,446$284K0.1%+1,94013F-HRTimeline
Triton Wealth Management, PLLC3,448$283K0.11%-57013F-HRTimeline
N.E.W. Advisory Services LLC3,432$283K0.02%013F-HRTimeline
ATLAS CAPITAL ADVISORS INC.3,419$281K0.03%-1,83713F-HRTimeline
OFI INVEST ASSET MANAGEMENT3,401$280K<0.01%+1,97313F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC3,392$279K<0.01%-6,89613F-HRTimelineGroup
State of Wyoming3,368$277K0.03%-2,65013F-HRTimeline
PATTON FUND MANAGEMENT, INC.3,363$277K0.05%new13F-HRTimeline
Ifrah Financial Services, Inc.3,351$276K0.07%-11513F-HRTimeline
Banque Cantonale Vaudoisein group Banque Cantonale Vaudoise3,316$273K0.01%new13F-HRTimelineGroup
WORLD EQUITY GROUP, INC.3,308$272K0.07%new13F-HRTimeline
WEXFORD CAPITAL LP3,300$272K0.04%+2,00013F-HRTimeline
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC3,285$270K<0.01%-58613F-HRTimelineGroup
Horizon Investments, LLC3,281$270K<0.01%+77213F-HRTimeline
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG3,249$267K<0.01%013F-HRTimelineGroup
QRG CAPITAL MANAGEMENT, INC.3,244$267K<0.01%-3313F-HRTimeline
Sequoia Financial Advisors, LLC3,228$266K<0.01%-2,63813F-HRTimeline
Penserra Capital Management LLCin group Penserra Capital Management L…3,223$264K<0.01%+7013F-HRTimelineGroup
Metis Global Partners, LLC3,186$262K0.01%-33813F-HRTimeline
V-Square Quantitative Management LLC3,178$262K0.03%+67013F-HRTimeline
North Dakota State Investment Board3,172$261K0.01%-56013F-HRTimeline
American Trust3,138$258K0.02%+19713F-HRTimeline
ASAHI LIFE ASSET MANAGEMENT CO., LTD.3,125$257K0.17%new13F-HRTimeline
GUYASUTA INVESTMENT ADVISORS INC3,122$257K0.01%013F-HRTimeline
ROYAL LONDON ASSET MANAGEMENT LTD3,095$255K<0.01%-50,77013F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC2,968$244K0.01%013F-HRTimeline
NORTHBRIDGE FINANCIAL GROUP, LLC2,781$243K0.1%-29013F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC2,940$242K<0.01%-18,03313F-HRTimelineGroup
Artisan Partners Limited Partnership2,920$240K<0.01%+2013F-HRTimeline
Private Advisor Group, LLC2,890$238K<0.01%+16213F-HRTimeline
Kentucky Retirement Systemsgroup of 2 filers holding2,855$235K-6,811Timeline
CIDEL ASSET MANAGEMENT INC2,841$234K0.01%+70813F-HRTimeline
Cornerstone Investment Partners, LLC2,833$233K0.01%new13F-HRTimeline
Cheviot Value Management, LLC2,825$233K0.02%+15013F-HRTimeline
Applied Finance Capital Management, LLC2,805$231K0.02%+7513F-HRTimeline
WEDBUSH SECURITIES INC2,780$229K0.01%+14413F-HRTimeline
BENNETT SELBY INVESTMENTS LP2,756$227K0.08%-16013F-HRTimeline
SFMG, LLC2,753$227K0.02%013F-HRTimeline
Brooklyn Investment Group2,736$225K0.01%new13F-HRTimeline
Integrated Wealth Concepts LLC2,728$225K<0.01%new13F-HRTimeline
WASHINGTON TRUST Co2,702$222K0.01%-13213F-HRTimeline
Larson Financial Group LLC2,696$222K0.01%-45113F-HRTimeline
Cambria Investment Management, L.P.2,671$220K0.01%new13F-HRTimeline
SOROS FUND MANAGEMENT LLCin group SOROS FUND MANAGEMENT LLC2,656$219K<0.01%-7,17213F-HRTimelineGroup
Sowell Financial Services LLC2,636$217K0.01%-76313F-HRTimeline
Councilmark Asset Management, LLC2,615$215K0.12%-4013F-HRTimeline
JGP Wealth Management, LLC2,604$214K0.02%013F-HRTimeline
STRS OHIO2,595$214K<0.01%-413F-HRTimeline
Kathmere Capital Management, LLC2,582$213K0.01%-78213F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC2,566$211K<0.01%-19,07413F-HRTimeline
OSTRUM ASSET MANAGEMENT2,545$210K0.01%+1,95313F-HRTimeline
Seelaus Asset Management LLC2,540$209K0.15%013F-HRTimeline
DENALI ADVISORS LLC2,511$207K0.02%+40013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC2,489$205K<0.01%-1,42513F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…2,482$204K0.01%+98513F-HR/ATimelineGroup
Osmosis Investment Management UK Ltd2,450$202K0.01%-5,70513F-HRTimeline
STEVENS CAPITAL MANAGEMENT LP2,447$201K0.03%new13F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.2,378$196K<0.01%+16813F-HRTimelineGroup
GAMMA Investing LLC2,375$196K0.01%+34913F-HRTimeline
ASR Vermogensbeheer N.V.2,138$176K<0.01%+5013F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO2,127$175K<0.01%+1,58013F-HRTimelineGroup
Covestor Ltd2,115$174K0.12%+1,98313F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.2,087$172K0.01%new13F-HRTimeline
LANARK FINANCIAL, INC.2,038$168K0.01%+69013F-HRTimeline
CWM, LLCin group CWM, LLC2,016$166K<0.01%-26213F-HRTimelineGroup
LSV ASSET MANAGEMENT2,000$165K<0.01%013F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.2,000$165K0.01%+1,89713F-HRTimelineGroup
IFP Advisors, Inc1,986$164K<0.01%-21913F-HRTimeline
Signature Equity Partners, LLC1,899$156K0.08%+34013F-HRTimeline
Siemens Fonds Invest GmbH1,819$150K0.01%013F-HRTimeline
Arax Advisory Partners1,663$137K<0.01%-1,68213F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,560$128K<0.01%-1,80613F-HRTimelineGroup
Steward Partners Investment Advisory, L…1,533$126K<0.01%-87913F-HRTimeline
Perkins Coie Trust Co1,432$118K0.02%013F-HRTimeline
Board of the Pension Protection Fund1,400$115K0.11%-10,00013F-HRTimeline
Advisory Services Network, LLC1,380$114K<0.01%-69613F-HRTimeline
Tema ETFs LLC1,278$105K0.01%+2713F-HRTimeline
Raiffeisen Bank International AGin group Raiffeisen Bank International…1,304$103K<0.01%-2113F-HRTimelineGroup
Parallel Advisors, LLC1,234$102K<0.01%-10913F-HR/ATimeline
STOREBRAND ASSET MANAGEMENT AS1,140$93.9K<0.01%-2,12413F-HRTimeline
CHAPMAN FINANCIAL GROUP, LLC1,095$90.2K0.06%013F-HRTimeline
Canada Post Corp Registered Pension Plan1,030$84.8K<0.01%-1,20013F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT1,012$83.3K<0.01%-111,00513F-HRTimeline
SALEM INVESTMENT COUNSELORS INC950$78.2K<0.01%new13F-HR/ATimeline
SIGNATUREFD, LLC948$78K<0.01%-20513F-HRTimeline
Livforsakringsbolaget Skandia, Omsesidi…902$74.3K<0.01%013F-HRTimeline
CX Institutional836$69K<0.01%-16913F-HRTimeline
FIL Ltdin group FIL Ltd811$66.8K<0.01%+55213F-HRTimelineGroup
WESTPAC BANKING CORPin group WESTPAC BANKING CORP796$65.5K<0.01%013F-HRTimelineGroup
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…795$65.5K0.01%+42613F-HRTimelineGroup
EASTERN BANK746$61.4K<0.01%013F-HRTimeline
Blue Trust, Inc.719$59.2K<0.01%-7113F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK712$58.6K<0.01%-18013F-HRTimelineGroup
Smartleaf Asset Management LLC722$56.9K<0.01%-14913F-HRTimeline
UMB Bank, n.a.668$55K<0.01%+1213F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Clearstead Advisors, LLC608$50.1K<0.01%+14213F-HRTimeline
FINANCIAL CONSULATE, INC585$48.2K0.01%+8513F-HRTimeline
Caitong International Asset Management …581$47.8K0.01%+54113F-HRTimeline
Parkside Financial Bank & Trust569$46.8K<0.01%-4513F-HRTimeline
Financial Perspectives, Inc535$44K0.01%013F-HRTimeline
Smithfield Trust Co544$43K<0.01%+10613F-HRTimeline
Pinnacle Wealth Planning Services, Inc.511$42.1K<0.01%+21113F-HRTimeline
Allworth Financial LP507$41.8K<0.01%-10413F-HRTimeline
CENTRAL TRUST Co500$41.2K<0.01%013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC488$40.2K<0.01%013F-HRTimeline
PRIVATE TRUST CO NA483$39.8K<0.01%-3513F-HRTimeline
CVA Family Office, LLC477$39.3K<0.01%+33713F-HRTimeline
MassMutual Private Wealth & Trust, FSB453$37.3K<0.01%-28213F-HRTimeline
Rossby Financial, LCC421$34.1K0.01%-1,56813F-HRTimeline
Quarry LP393$32.4K0.01%+29413F-HRTimeline
Anchor Investment Management, LLC375$30.9K<0.01%013F-HRTimeline
PENSION & WEALTH MANAGEMENT ADVISORS, I…375$30.9K0.01%+35113F-HRTimeline
Root Financial Partners, LLC372$30.6K<0.01%+11313F-HRTimeline
IMA Advisory Services, Inc.372$30.6K<0.01%-113F-HRTimeline
Intentional Wealth Strategies, LLC363$29.9K0.03%13F-HRTimeline
Sunbelt Securities, Inc.359$29.6K<0.01%+30013F-HRTimeline
Versant Capital Management, Inc319$26.3K<0.01%+3913F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…312$25.7K<0.01%-15913F-HRTimeline
CYBER HORNET ETFs LLC305$24.7K0.02%-4913F-HRTimeline
Bank of New Hampshire264$21.7K<0.01%new13F-HRTimeline
Measured Wealth Private Client Group, L…262$21.6K0.01%new13F-HRTimeline
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…250$20.6K0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Spire Wealth Managementin group Spire Wealth Management248$20.4K<0.01%-89113F-HRTimelineGroup
Bell Investment Advisors, Inc228$18.8K<0.01%-913F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC200$16.5K0.01%new13F-HRTimeline
Ramirez Asset Management, Inc.200$16.5K<0.01%-30013F-HRTimeline
Basepoint Wealth LLC200$16.5K0.01%013F-HRTimeline
Rosenberg Matthew Hamilton188$15.5K<0.01%013F-HRTimeline
MATHER GROUP, LLC.185$15.2K<0.01%new13F-HRTimeline
ENTRUST FINANCIAL LLC180$14.8K0.01%013F-HRTimeline
THURSTON, SPRINGER, MILLER, HERD & TITA…180$14.8K0.01%013F-HRTimeline
Geneos Wealth Management Inc.175$14.4K<0.01%-32513F-HRTimeline
Grove Bank & Trust170$14K<0.01%+13013F-HRTimeline
Bullock Wealth Management Group158$12.8K0.01%013F-HRTimeline

Events

  • BlackRock, Inc. reported 12,897,766 BLDR shares, 12% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-05. 0002012383-26-003316

    Accepted , ingested