BOSTON BEER COMPANY INC-A (SAM) Institutional Ownership Changes & 13F Activity

BOSTON BEER COMPANY INC-A (SAM) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Longleaf Partners, Renaissance Technologies LLC, Sequoia Financial Advisors, Durable Capital Partners, and Egerton Capital UK.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2015Jensen Investment ManagementBuy1,8701,870$378
Q3 2015Renaissance Technologies LLCSell-56,07669,318$14,599
Q2 2015Renaissance Technologies LLCSell-20,906125,394$29,090
Q1 2015Renaissance Technologies LLCBuy25,400146,300$39,121
Q4 2014Renaissance Technologies LLCSell-3,600120,900$35,005
Q3 2014Renaissance Technologies LLCSell-48,400124,500$27,609
Q2 2014Renaissance Technologies LLCBuy11,170172,900$38,647
Q1 2014Renaissance Technologies LLCBuy66,030161,730$39,580
Q4 2013Renaissance Technologies LLCBuy5,80095,700$23,139
Q3 2013Renaissance Technologies LLCSell-21,80089,900$21,954
Q2 2013Renaissance Technologies LLCBuy111,700111,700$19,060

Frequently asked questions about SAM activity

  • Which institutional owners are buying SAM?

    Institutional owners buying SAM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in SAM activity?

    "Buy" means an investor increased their reported position in SAM compared to the prior reporting period. This reflects growing exposure to BOSTON BEER COMPANY INC-A (SAM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in SAM increasing?

    Institutional interest in SAM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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