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 Form 13F filings. 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 2020Renaissance Technologies LLCSell-88,617373,500$371,367
Q4 2020Durable Capital PartnersBuy85,417580,187$576,874
Q4 2020Sequoia Financial AdvisorsSell-10250$249
Q3 2020Durable Capital PartnersBuy127,684494,770$437,060
Q3 2020Egerton Capital UKBuy122,460122,460$108,176
Q3 2020Renaissance Technologies LLCSell-21,883462,117$408,216
Q3 2020Sequoia Financial AdvisorsBuy260260$230
Q2 2020Durable Capital PartnersBuy367,086367,086$196,997
Q2 2020Renaissance Technologies LLCSell-72,400484,000$259,739
Q1 2020Renaissance Technologies LLCBuy65,641556,400$204,510
Q4 2019Renaissance Technologies LLCBuy75,759490,759$185,433
Q3 2019Renaissance Technologies LLCBuy91,500415,000$151,093
Q2 2019Renaissance Technologies LLCBuy112,700323,500$122,205
Q1 2019Renaissance Technologies LLCBuy108,200210,800$62,129
Q4 2018Renaissance Technologies LLCBuy42,941102,600$24,710
Q3 2018Renaissance Technologies LLCBuy6,25959,659$17,152
Q1 2018Renaissance Technologies LLCBuy11,60053,400$10,095
Q4 2017Renaissance Technologies LLCBuy31,20041,800$7,988
Q3 2017Renaissance Technologies LLCBuy8,00010,600$1,656
Q3 2017Jensen Investment ManagementSell-1,7001,710$267
Q2 2017Renaissance Technologies LLCSell-29,6002,600$344
Q2 2017Jensen Investment ManagementBuy6603,410$451
Q1 2017Renaissance Technologies LLCBuy3,70032,200$4,658
Q1 2017Jensen Investment ManagementBuy3502,750$398
Q4 2016Jensen Investment ManagementSell-1002,400$408
Q3 2016Jensen Investment ManagementSell-2402,500$388
Q2 2016Jensen Investment ManagementBuy6302,740$469
Q1 2016Renaissance Technologies LLCSell-14,04728,500$5,274
Q1 2016Jensen Investment ManagementBuy2402,110$390
Q4 2015Renaissance Technologies LLCSell-26,77142,547$8,591

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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