Who owns The Boston Beer Company, Inc.?
Institutional ownership of SAM from SEC Form 13F filings across 223 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
223
13F holders
$1.09B
value, 2026 filers
59.7%
of shares outstanding (6.2M sh)
26
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of SAM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.0M | $179.7M | 0.0% | 9.7% | +31.8% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 609,360 | $107.9M | 0.0% | 5.9% | -4.0% |
| 3 | UBS Group AG | 434,656 | $76.9M | 0.0% | 4.2% | +98.8% |
| 4 | AMERICAN CENTURY COMPANIES INC | 385,326 | $68.2M | 0.0% | 3.7% | +33.8% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 345,822 | $61.2M | 0.0% | 3.3% | -49.3% |
| 6 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 321,080 | $56.8M | 0.0% | 3.1% | +30.9% |
| 7 | MILLENNIUM MANAGEMENT LLC | 283,512 | $50.2M | 0.0% | 2.7% | +193.4% |
| 8 | Global Alpha Capital Management Ltd. | 267,567 | $47.4M | 2.8% | 2.6% | +81.4% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 205,368 | $36.4M | 0.0% | 2% | +44.5% |
| 10 | GOLDMAN SACHS GROUP INC | 130,819 | $23.2M | 0.0% | 1.3% | -9.8% |
| 11 | Sixth Street Partners Management Company, L.P.NEW | 126,182 | $22.3M | 3.9% | 1.2% | new |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 126,182 | $22.3M | 0.0% | 1.2% | +17.9% |
| 13 | NEUBERGER BERMAN GROUP LLCNEW | 117,548 | $20.9M | 0.0% | 1.1% | new |
| 14 | MORGAN STANLEY | 104,302 | $18.5M | 0.0% | 1% | -22.5% |
| 15 | AMERIPRISE FINANCIAL INC | 103,039 | $18.2M | 0.0% | 1% | +12.6% |
| 16 | Quantinno Capital Management LP | 102,562 | $18.2M | 0.0% | 1% | -55.5% |
| 17 | D. E. Shaw & Co., Inc. | 99,454 | $17.6M | 0.0% | 1% | +113.4% |
| 18 | NORTHERN TRUST CORP | 98,799 | $17.5M | 0.0% | 0.9% | +25.1% |
| 19 | Bank of New York Mellon Corp | 63,464 | $11.2M | 0.0% | 0.6% | +11.4% |
| 20 | BANK OF AMERICA CORP /DE/ | 63,070 | $11.2M | 0.0% | 0.6% | +42.2% |
| 21 | WORLDQUANT MILLENNIUM ADVISORS LLCNEW | 62,666 | $11.1M | 0.0% | 0.6% | new |
| 22 | Qube Research & Technologies Ltd | 62,634 | $11.1M | 0.0% | 0.6% | -43.7% |
| 23 | FMR LLC | 60,625 | $10.7M | 0.0% | 0.6% | -69.0% |
| 24 | Invesco Ltd. | 58,648 | $10.4M | 0.0% | 0.6% | -49.3% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 52,748 | $9.3M | 0.0% | 0.5% | +10.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.