BOSTON BEER COMPANY INC-A (SAM) Institutional Ownership

SAM is currently held by 3 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $49.84M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Longleaf Partners, which reported ownership valued at approximately $27.28M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Longleaf Partners's SAM position is now estimated to be worth approximately $20.35M, representing an estimated loss of -25.39% since the filing period.

Major shareholders tracked on this page include Longleaf Partners, Renaissance Technologies LLC, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional position trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward BOSTON BEER COMPANY INC-A (SAM).