13F

Stock

Builders FirstSource, Inc.

BLDR · held by 26 managers

Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025

Reported value

$368.2M

Holders

26

+1 new · −1 exited

Holders’ est. mark

$1.73M

Price effect on 10 books still in the name

Largest holder

$215.8M

MORGAN STANLEY

Holder count by quarter

Q1 2021Q2 2021Q3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026

Who holds it

Notable only
InvestorSharesValueEst. markChange
MORGAN STANLEY1.78M$215.8M—Held
BANK OF AMERICA CORP /DE/698.8K$84.7M—Held
BARCLAYS PLC363K$44M$1.66MAdded$778.2K
Hudson Bay Capital Management LP56.1K$6.81M—Held
Cambria Investment Management, L.P.53.3K$6.47M—Held
OP Asset Management Ltd20.6K$2.49M$93.7KCut−$570K
PEAK6 LLC18.8K$2.28M$9.62KAdded$2.03M
Strategic Investment Advisors / MI12.9K$1.57M—Held
Swiss Life Asset Management Ltd10K$1.21M$45.7KCut−$2.58M
Absoluto Partners Gestao de Recursos Ltda6.54K$793.1K—New
Sanctuary Advisors, LLC4.74K$574.5K$21.6KCut−$92.9K
Medallion Wealth Advisors, LLC3.97K$481.4K−$21.9KCut−$72.1K
Peak Planning Group, LLC3.5K$424.4K−$75.9KCut−$75.9K
IFP Advisors, Inc2.58K$312.2K—Held
Leonteq Securities AG611$74.1K$2.79KAdded$1.62K
Allworth Financial LP597$72.4K—Held
MV CAPITAL MANAGEMENT, INC.572$69.4K—Held
Clark Wealth Partners145$14.9K−$2KCut−$13.6K
Prestige Wealth Management Group LLC37$4.49K$169Added$169
Cape Investment Advisory, Inc.29$3.52K—Held
Painted Porch Advisors LLC20$2.42K—Held
KBC Group NV20K$2.42K—Held
Principia Wealth Advisory, LLC10$1.21K—Held
FNY Investment Advisers, LLC6.01K$728—Held
Kilter Group LLC5$607—Held
NEW MEXICO EDUCATIONAL RETIREMENT BOARD5K$606—Held

Who left

Positions as of Q3 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.