Boston Beer Company Inc (SAM)
Consumer Defensive
Beverages - Brewers
183.20 $
-1.1%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Boston Beer Company Inc (SAM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 79.8% of the shares are freely tradable; institutional investors hold 95.6%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
95.6%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
9.2%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
79.8%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
23.8%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
8Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 7.40 | 770,250 | +6.2 | 03/31/2026 |
| AQR Capital Management LLC | 6.26 | 651,984 | +48.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.09 | 634,469 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.27 | 340,903 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 2.77 | 288,084 | +50.4 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 2.63 | 273,612 | +6.1 | 03/31/2026 |
| State Street Corp | 2.45 | 255,195 | +0.4 | 03/31/2026 |
| Arrowstreet Capital Limited Partnership | 2.36 | 245,249 | -9.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Avantis US Small Cap Value ETF | 3.28 | 341,615 | +0.1 | 07/30/2026 |
| iShares Core S&P Mid-Cap ETF | 2.47 | 257,155 | +0.0 | 07/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.