# BOSTON BEER INC (SAM) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 100557107
Page URL: https://superinvestorclub.com/stock/SAM
Last updated: 2026-07-08T05:27:24.897Z

## Summary

As of the most recent 13F filing period, BOSTON BEER INC (SAM) is held by 2 tracked superinvestors with an aggregate position value of $27.7M representing 01184011851 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Longleaf Partners](https://superinvestorclub.com/manager/15) | Southeastern Asset Management | 118401 | $27.3M | 1.34% | 2026-03-31 |
| 2 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 1851 | $426,470 | 0.00% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 2 holders, $36.3M aggregate, 010631712867 shares
- 2024-06-30: 2 holders, $33.3M aggregate, 01063172834 shares
- 2024-09-30: 2 holders, $31.4M aggregate, 01063172392 shares
- 2024-12-31: 2 holders, $32.5M aggregate, 01063172013 shares
- 2025-03-31: 1 holders, $25.4M aggregate, 0106317 shares
- 2025-06-30: 1 holders, $20.3M aggregate, 0106317 shares
- 2025-09-30: 3 holders, $28.4M aggregate, 01092381403910825 shares
- 2025-12-31: 3 holders, $30.9M aggregate, 014799752345163 shares
- 2026-03-31: 2 holders, $27.7M aggregate, 01184011851 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "BOSTON BEER INC (SAM) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/SAM), aggregating SEC 13F, Form 4, and congressional disclosures."