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Southeastern Asset Management (Longleaf)

Superinvestor

Southeastern Asset Management Inc

SEC CIK
0000807985
Manager
Mason Hawkins
Style
Value
Latest filing
Aug 14, 2026

SAM holding history

Boston Beer Co Inc in every 13F filed by Southeastern Asset Management (Longleaf), including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SAM overviewAll 13F holders of SAMFull Q2 2026 holdings

Shares (Q2 2026)
146,043
Value
$25.9M
% of portfolio
1.3%
Quarters held
14
Since Q1 2023
Holdings of SAM by Southeastern Asset Management (Longleaf), by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026146,043$25.9M1.3%+27,642+23.3%AddedHolders
Q1 2026118,401$27.3M1.3%−29,596−20.0%ReducedHolders
Q4 2025147,997$28.9M1.3%+38,759+35.5%AddedHolders
Q3 2025109,238$23.1M1.2%+2,921+2.7%AddedHolders
Q2 2025106,317$20.3M1.0%00.0%UnchangedHolders
Q1 2025106,317$25.4M1.4%00.0%UnchangedHolders
Q4 2024106,317$31.9M1.5%00.0%UnchangedHolders
Q3 2024106,317$30.7M1.4%00.0%UnchangedHolders
Q2 2024106,317$32.4M1.4%00.0%UnchangedHolders
Q1 2024106,317$32.4M1.2%00.0%UnchangedHolders
Q4 2023106,317$36.7M1.4%00.0%UnchangedHolders
Q3 2023106,317$41.4M1.5%−20,957−16.5%ReducedHolders
Q2 2023127,274$39.3M1.4%+18,724+17.2%AddedHolders
Q1 2023108,550$35.7M1.2%+108,550NewHolders