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 (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Aqr Capital Management Llc, Fmr Llc, Quantinno Capital Management Lp, American Century Companies Inc, and Goldman Sachs Group Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Op Asset Management LtdSell-1,665-100.0%0$0.00Q1 2026Sep 28, 2026
Mirae Asset Global Investments Co., Ltd.Buy+9+12.7%80$18.43KQ1 2026Aug 12, 2026
Algert Global LlcSell-130-0.5%24,576$5.66MQ1 2026Aug 11, 2026
Brighton Jones LlcBuy+1,402—1,402$323.02KQ1 2026Aug 07, 2026
Wells Fargo & Company/MnSell-184-3.4%5,300$1.22MQ1 2026Jul 08, 2026
Western Wealth Management, LlcBuy+2—2$461.00Q1 2026May 19, 2026
Bank Of America CorpSell-2,366-5.1%44,352$10.22MQ1 2026May 18, 2026
California State Teachers Retirement SystemBuy+2,097+26.6%9,973$2.30MQ1 2026May 18, 2026
Bull Harbor Capital LlcBuy+1,316—1,316$303.21KQ1 2026May 18, 2026
Aqr Capital Management LlcBuy+211,760+48.1%651,984$150.22MQ1 2026May 15, 2026
Fmr LlcSell-165,510-45.9%195,365$45.01MQ1 2026May 15, 2026
Quantinno Capital Management LpBuy+140,247+155.2%230,587$53.13MQ1 2026May 15, 2026
American Century Companies IncBuy+96,479+50.4%288,084$66.37MQ1 2026May 15, 2026
Goldman Sachs Group IncBuy+89,245+160.2%144,960$33.40MQ1 2026May 15, 2026
Citadel Advisors LlcSell-79,729-60.0%53,214$12.26MQ1 2026May 15, 2026
Gotham Asset Management, LlcSell-78,592-31.6%170,318$39.24MQ1 2026May 15, 2026
T. Rowe Price Investment Management, Inc.Buy+78,524+327183.3%78,548$18.10MQ1 2026May 15, 2026
Voloridge Investment Management, LlcSell-56,858-90.1%6,265$1.44MQ1 2026May 15, 2026
Prescott General Partners LlcBuy+45,000—45,000$10.37MQ1 2026May 15, 2026
Millennium Management LlcBuy+39,733+69.9%96,615$22.26MQ1 2026May 15, 2026
Longleaf PartnersSell-29,596-20.0%118,401$27.28MQ1 2026May 15, 2026
Trexquant Investment LpSell-26,331-46.9%29,788$6.86MQ1 2026May 15, 2026
Crawford Fund Management, LlcSell-22,100-35.9%39,381$9.07MQ1 2026May 15, 2026
Qube Research & Technologies LtdSell-21,538-16.2%111,324$25.65MQ1 2026May 15, 2026
Morgan StanleyBuy+20,211+17.7%134,511$30.99MQ1 2026May 15, 2026
Nomura Holdings IncSell-19,399-41.6%27,193$6.27MQ1 2026May 15, 2026
Marshall Wace, LlpBuy+18,726+69.6%45,645$10.52MQ1 2026May 15, 2026
Corient Private Wealth LlcBuy+18,449+68.4%45,427$10.44MQ1 2026May 15, 2026
Squarepoint Ops LlcBuy+14,413+404.7%17,974$4.14MQ1 2026May 15, 2026
Ieq Capital, LlcBuy+12,692+52.4%36,928$8.51MQ1 2026May 15, 2026
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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.