Boston Beer Company Inc. Class ASAM
13F holders, Q4 2025 (December 31)348holders −9
46new positions
65sold out
9famous investors
$195.17avg. 13F price*
At the end of Q4 2025, 348 institutions reported holding Boston Beer Company Inc. Class A (SAM) in their 13F filings, down 9 from Q3 2025. 46 opened new positions and 65 sold out. The largest holders were Vanguard Group Inc. ($202.8M), BlackRock, Inc. ($141.6M) and AQR Capital Management ($85.9M). 9 famous investors held it, including Joel Greenblatt (0.2% of Gotham Asset Management's portfolio), Mario Gabelli (0.1% of GAMCO Investors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Boston Beer Company Inc. Class A
- CUSIP
- 100557107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 46 | $66.6M |
| Exits | 65 | $106.4M |
All 13F filers, Q3 2025 → Q4 2025: 1,028,957 shares bought and 1,366,303 shares sold, net −337,346 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 348 holders
| Vanguard Group Inc. | 0.00% | Add +9.4% | 1,039,184 | $202.8M |
| BlackRock, Inc. | 0.00% | Reduce -7.3% | 725,529 | $141.6M |
| AQR Capital Management | 0.05% | Reduce -32.0% | 440,224 | $85.9M |
| FMR LLC | 0.00% | Reduce -7.4% | 360,875 | $70.4M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +5.1% | 271,516 | $53.0M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -2.9% | 258,001 | $50.3M |
| State Street Corp. | 0.00% | Reduce -3.4% | 254,297 | $49.6M |
| Gotham Asset Management | 0.18% | Add +16.7% | 248,910 | $48.6M |
| UBS Group AG | 0.01% | Reduce -3.1% | 216,634 | $42.3M |
| American Century Companies Inc. | 0.02% | Add +55.7% | 191,605 | $37.4M |
| Southeastern Asset Management Inc. | 1.29% | Add +35.5% | 147,997 | $28.9M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.9% | 139,198 | $27.2M |
| Citadel Advisors | 0.02% | Add +12096.6% | 132,943 | $25.9M |
| Qube Research & Technologies Ltd | 0.04% | Add +138.5% | 132,862 | $25.9M |
| Global Alpha Capital Management Ltd. | 1.46% | Reduce -6.2% | 123,028 | $24.0M |
| Invesco Ltd. | 0.00% | Add +1.9% | 117,112 | $22.9M |
| Morgan Stanley | 0.00% | Reduce -51.1% | 114,300 | $22.3M |
| Woodson Capital Management, LP | 3.01% | New | 100,000 | $19.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.0% | 98,826 | $19.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.1% | 90,903 | $17.7M |
| Quantinno Capital Management LP | 0.04% | Reduce -33.6% | 90,340 | $17.6M |
| Renaissance Technologies | 0.03% | Reduce -5.0% | 82,679 | $16.1M |
| Southernsun Asset Management, LLC | 2.06% | Reduce -16.2% | 75,524 | $14.7M |
| Northern Trust Corp. | 0.00% | Reduce -0.4% | 74,891 | $14.6M |
| Man Group plc | 0.03% | Add +135.5% | 71,345 | $13.9M |
| Franklin Resources Inc. | 0.00% | Add +75.7% | 65,573 | $12.8M |
| Calamos Advisors LLC | 0.08% | No change | 65,364 | $12.8M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -3.2% | 65,049 | $12.7M |
| Voloridge Investment Management, LLC | 0.04% | Add +23.4% | 63,123 | $12.3M |
| Crawford Fund Management, LLC | 3.85% | Add +44.0% | 61,481 | $12.0M |
| Bank of New York Mellon Corp | 0.00% | Add +9.7% | 60,283 | $11.8M |
| Millennium Management | 0.01% | Reduce -20.9% | 56,882 | $11.1M |
| Trexquant Investment LP | 0.10% | Add +39.7% | 56,119 | $11.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +10.7% | 55,715 | $10.9M |
| Monaco Asset Management SAM | 3.21% | New | 53,927 | $10.5M |
| D. E. Shaw & Co. | 0.01% | Reduce -25.7% | 53,785 | $10.5M |
| Bank of America Corp. | 0.00% | Add +14.4% | 46,718 | $9.1M |
| Nomura Holdings Inc. | 0.03% | New | 46,592 | $9.1M |
| Jane Street Group, LLC | 0.01% | New | 44,752 | $8.7M |
| Pacer Advisors, Inc. | 0.02% | Reduce -10.7% | 41,836 | $8.2M |
| First Trust Advisors LP | 0.01% | Reduce -17.2% | 38,327 | $7.5M |
| Ontario Teachers Pension Plan Board | 0.14% | Add +17.3% | 30,673 | $6.0M |
| WINTON GROUP Ltd | 0.20% | Add +4.8% | 29,431 | $5.7M |
| Acadian Asset Management LLC | 0.01% | Reduce -72.8% | 29,021 | $5.7M |
| GAMCO Investors | 0.05% | Add +25.9% | 28,070 | $5.5M |
| Gabelli Funds LLC | 0.04% | Reduce -12.1% | 27,000 | $5.3M |
| Marshall Wace, LLP | 0.01% | Add +52.6% | 26,919 | $5.3M |
| Algert Global LLC | 0.08% | Reduce -12.4% | 24,706 | $4.8M |
| Dark Forest Capital Management LP | 0.22% | Add +59.0% | 24,632 | $4.8M |
| Ieq Capital, LLC | 0.01% | Reduce -38.4% | 24,236 | $4.7M |
| Rhumbline Advisers | 0.00% | Reduce -4.0% | 23,084 | $4.5M |
| JPMorgan Chase & Co. | 0.00% | Add +2.7% | 23,009 | $4.5M |
| Savoir Faire Capital Management, L.P. | 2.01% | Reduce -44.0% | 21,763 | $4.2M |
| Alliancebernstein L.P. | 0.00% | Add +10.3% | 20,020 | $3.9M |
| RK Asset Management, LLC | 3.68% | Add +5.2% | 19,994 | $3.9M |
| Susquehanna International Group, LLP | 0.01% | Add +471.2% | 18,530 | $3.6M |
| Nuveen, LLC | 0.00% | No change | 17,440 | $3.4M |
| Principal Financial Group Inc. | 0.00% | Reduce -5.9% | 16,551 | $3.2M |
| Swiss National Bank | 0.00% | Reduce -1.2% | 16,500 | $3.2M |
| Two Sigma Investments, LP | 0.01% | Add +29.2% | 16,269 | $3.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -12.6% | 15,704 | $3.1M |
| Barclays PLC | 0.00% | Reduce -9.9% | 15,398 | $3.0M |
| Engineers Gate Manager LP | 0.03% | Reduce -63.0% | 13,646 | $2.7M |
| Legal & General Group Plc | 0.00% | Reduce -1.7% | 13,278 | $2.6M |
| Two Sigma Advisers, LP | 0.00% | Add +132.7% | 12,800 | $2.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -24.2% | 12,130 | $2.4M |
| New York State Teachers Retirement System | 0.00% | Reduce -2.7% | 11,987 | $2.3M |
| Creative Planning | 0.00% | Reduce -19.8% | 11,897 | $2.3M |
| Campbell & CO Investment Adviser LLC | 0.11% | New | 11,315 | $2.2M |
| Quinn Opportunity Partners LLC | 0.08% | New | 10,000 | $2.0M |
| Wedge Capital Management L L P | 0.03% | Reduce -0.0% | 9,625 | $1.9M |
| BCGM Wealth Management, LLC | 0.48% | Add +1.2% | 9,605 | $1.9M |
| Cardinal Capital Management | 0.25% | Reduce -11.1% | 9,551 | $1.9M |
| XTX Topco Ltd | 0.05% | Add +846.3% | 9,245 | $1.8M |
| Retirement Systems of Alabama | 0.01% | Reduce -3.4% | 9,232 | $1.8M |
| Cwm, LLC | 0.00% | Reduce -49.9% | 9,129 | $1.8M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 9,074 | $1.8M |
| Cerity Partners LLC | 0.00% | Reduce -49.3% | 8,426 | $1.6M |
| Royal Bank of Canada | 0.00% | Reduce -15.5% | 8,069 | $1.6M |
| State Board of Administration of Florida Retirement System | 0.00% | Add +18.2% | 7,990 | $1.6M |
| California State Teachers Retirement System | 0.00% | Reduce -0.4% | 7,876 | $1.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +6.8% | 7,515 | $1.5M |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -34.9% | 7,190 | $1.5M |
| Atom Investors LP | 0.11% | Reduce -49.0% | 7,243 | $1.4M |
| LPL Financial LLC | 0.00% | Add +11.3% | 7,168 | $1.4M |
| Tejara Capital Ltd | 0.56% | New | 6,900 | $1.3M |
| HRT Financial LP | 0.00% | New | 6,775 | $1.3M |
| CastleKnight Management LP | 0.07% | New | 6,600 | $1.3M |
| Gagnon Securities LLC | 0.25% | Reduce -70.5% | 6,355 | $1.2M |
| Los Angeles Capital Management LLC | 0.00% | Reduce -1.5% | 5,936 | $1.2M |
| Exit Wealth Advisors, LLC. | 0.72% | Add +273.4% | 6,243 | $1.2M |
| Skylands Capital, LLC | 0.16% | New | 6,050 | $1.2M |
| CenterBook Partners LP | 0.05% | Reduce -18.4% | 5,749 | $1.1M |
| Teacher Retirement System of Texas | 0.00% | Reduce -15.0% | 5,640 | $1.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.5% | 5,546 | $1.1M |
| Wells Fargo & Company | 0.00% | Reduce -10.4% | 5,484 | $1.1M |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +11.2% | 5,459 | $1.1M |
| Oak Thistle LLC | 0.14% | Reduce -21.6% | 5,327 | $1.0M |
| Maverick Capital | 0.01% | Reduce -62.7% | 5,234 | $1.0M |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +64.0% | 5,223 | $1.0M |
"% of holder's portfolio" is SAM's weight in each manager's 13F, not the share of Boston Beer Company Inc. Class A the manager owns.