Boston Beer (SAM)
Sells beer, hard tea, cider, hard seltzer, and vodka RTDs through a nationally distributed U.S. portfolio.
$167.36
vs last close−4.04 (−2.36%)
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13F · 13D/G · Form 4
| Institutions | 85.18% | 8.77M shares | |
|---|---|---|---|
| 346 holders · as of Jun 30, 2026 | |||
| Insiders | 23.85% | 2.45M shares | |
| 19 holders · as of May 28, 2026 | |||
| Adds to | 109.03% | ||
10.29M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
These groups come from separate filings that can overlap, so they add to 109.03%; nothing is left for Other.
This company has 2 share classes; every stake here is a share of the whole company.
13F, as of Jun 30, 2026
346 holders · 8.77M shares · 48 new positions · 158 increased · 116 reduced · 85 closed
| Holder | Shares | % of company | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 1.02M | 9.86% | +245.0K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 609.4K | 5.92% | −25.1K | Aug 13, 2026 |
| AQR Capital Management LLC | 540.0K | 5.25% | −112.0K | Aug 14, 2026 |
| UBS Group AG | 434.7K | 4.22% | +216.1K | Aug 13, 2026 |
| American Century Companies Inc | 385.3K | 3.74% | +97.2K | Aug 12, 2026 |
| Vanguard Capital Management LLC | 345.8K | 3.36% | +4.9K | Aug 13, 2026 |
| Arrowstreet Capital, Limited Partnership | 321.1K | 3.12% | +75.8K | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 320.9K | 3.12% | +47.3K | Aug 11, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| C. James Koch | 21.62% | 2.27M | 13G | Feb 11, 2026 |
| AQR Capital Management, LLC | 7.78% | 652.0K | 13G | May 14, 2026 |
| Vanguard Portfolio Management | 7.58% | 635.4K | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Nov 4, 2025 | Michael Spillanedirector | Sale · 2 lots | 3,120 | $205.78 | 10,877 |
House and Senate disclosures
Not reported.