Who owns Boston Beer Company Inc, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
AQR Capital Management, LLC: 6.5% · 539,988 shares — AQR Capital Management Holdings, LLC: 6.5% · 539,988 shares
Millennium Management LLC: 4.9% · 411,413 shares — Millennium Group Management LLC: 4.9% · 411,413 shares — Israel A. Englander: 4.9% · 411,413 shares
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Boston Beer Company Inc they hold. Together these 458 managers report 97.95% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | $203M | 1,039,184 | 0.00% | 10.00% | December 31, 2025 |
| BlackRock, Inc. | $180M | 1,015,254 | 0.00% | 9.77% | June 30, 2026 |
456 more institutional holders behind a free account
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 354 funds hold 33.35% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| Avantis U.S. Small Cap Value ETF | $47.4M | 0.20% | 2.01% | February 28, 2026 |
| iShares Core S&P Mid-Cap ETF | $45.3M | 0.04% | 2.46% | June 30, 2026 |
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