Boston Beer Company Inc. Class ASAM
13F holders, Q2 2026 (June 30)330holders −40
43new positions
81sold out
9famous investors
$177.17avg. 13F price*
At the end of Q2 2026, 330 institutions reported holding Boston Beer Company Inc. Class A (SAM) in their 13F filings, down 40 from Q1 2026. 43 opened new positions and 81 sold out. The largest holders were BlackRock, Inc. ($179.7M), Vanguard Portfolio Management LLC ($107.9M) and AQR Capital Management ($95.6M). 9 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio), Israel Englander (0.0% of Millennium Management'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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $81.0M |
| Exits | 81 | $77.8M |
All 13F filers, Q1 2026 → Q2 2026: 2,171,076 shares bought and 1,323,824 shares sold, net +847,252 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 330 holders
| BlackRock, Inc. | 0.00% | Add +31.8% | 1,015,254 | $179.7M |
| Vanguard Portfolio Management LLC | 0.00% | Reduce -4.0% | 609,360 | $107.9M |
| AQR Capital Management | 0.03% | Reduce -17.2% | 539,988 | $95.6M |
| UBS Group AG | 0.01% | Add +98.8% | 434,656 | $76.9M |
| American Century Companies Inc. | 0.03% | Add +33.8% | 385,326 | $68.2M |
| Vanguard Capital Management LLC | 0.00% | Add +1.4% | 345,822 | $61.2M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +30.9% | 321,080 | $56.8M |
| Dimensional Fund Advisors LP | 0.01% | Add +17.3% | 320,885 | $56.8M |
| State Street Corp. | 0.00% | Add +23.3% | 314,732 | $55.8M |
| Millennium Management | 0.04% | Add +193.4% | 283,512 | $50.2M |
| Global Alpha Capital Management Ltd. | 2.84% | Add +81.4% | 267,567 | $47.4M |
| Geode Capital Management, LLC | 0.00% | Add +44.5% | 205,368 | $36.4M |
| T. Rowe Price Investment Management, Inc. | 0.02% | Add +153.9% | 199,420 | $35.3M |
| Southeastern Asset Management Inc. | 1.35% | Add +23.4% | 146,043 | $25.9M |
| Southernsun Asset Management, LLC | 3.14% | Add +76.3% | 131,877 | $23.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -9.8% | 130,819 | $23.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +17.9% | 126,182 | $22.3M |
| Neuberger Berman Group LLC | 0.01% | New | 117,548 | $20.9M |
| Morgan Stanley | 0.00% | Reduce -22.5% | 104,302 | $18.5M |
| Ameriprise Financial Inc. | 0.00% | Add +12.6% | 103,039 | $18.2M |
| Quantinno Capital Management LP | 0.02% | Reduce -55.5% | 102,562 | $18.2M |
| Renaissance Technologies | 0.02% | Add +9.0% | 102,179 | $18.1M |
| D. E. Shaw & Co. | 0.01% | Add +113.4% | 99,454 | $17.6M |
| Northern Trust Corp. | 0.00% | Add +25.1% | 98,799 | $17.5M |
| Trexquant Investment LP | 0.08% | Add +145.9% | 73,254 | $13.0M |
| Calamos Advisors LLC | 0.06% | Reduce -2.1% | 65,364 | $11.6M |
| Bank of New York Mellon Corp | 0.00% | Add +11.3% | 63,464 | $11.2M |
| Bank of America Corp. | 0.00% | Add +42.2% | 63,070 | $11.2M |
| Worldquant Millennium Advisors LLC | 0.04% | New | 62,666 | $11.1M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -43.7% | 62,634 | $11.1M |
| FMR LLC | 0.00% | Reduce -69.0% | 60,625 | $10.7M |
| Invesco Ltd. | 0.00% | Reduce -49.3% | 58,648 | $10.4M |
| Loomis Sayles & Co. L P | 0.01% | Reduce -8.2% | 58,288 | $10.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +10.7% | 52,748 | $9.3M |
| Citadel Advisors | 0.01% | Reduce -8.2% | 48,829 | $8.6M |
| First Trust Advisors LP | 0.00% | Reduce -12.3% | 45,318 | $8.0M |
| Prescott General Partners LLC | 0.41% | No change | 45,000 | $8.0M |
| Marshall Wace, LLP | 0.01% | Reduce -7.0% | 42,474 | $7.5M |
| Gabelli Funds LLC | 0.05% | Add +60.6% | 42,400 | $7.5M |
| Pacer Advisors, Inc. | 0.02% | Add +1.8% | 38,203 | $6.8M |
| JPMorgan Chase & Co. | 0.00% | Add +6.1% | 35,905 | $6.6M |
| HRT Financial LP | 0.01% | Add +85.6% | 35,397 | $6.3M |
| Capital Fund Management S.A. | 0.04% | New | 33,447 | $5.9M |
| WINTON GROUP Ltd | 0.19% | Add +1.1% | 33,018 | $5.8M |
| Edgestream Partners, L.P. | 0.17% | New | 32,914 | $5.8M |
| Franklin Resources Inc. | 0.00% | Reduce -41.5% | 32,567 | $5.8M |
| Darwins River Capital, LP | 2.99% | New | 30,820 | $5.5M |
| Tudor Investment Corporation | 0.02% | New | 30,517 | $5.4M |
| ING Groep NV | 0.03% | New | 29,300 | $5.2M |
| GAMCO Investors | 0.05% | Add +1.0% | 28,352 | $5.0M |
| Rhumbline Advisers | 0.00% | Add +17.2% | 27,251 | $4.8M |
| Dark Forest Capital Management LP | 0.30% | New | 26,691 | $4.7M |
| Nuveen, LLC | 0.00% | Add +25.9% | 23,416 | $4.1M |
| Algert Global LLC | 0.05% | Reduce -11.3% | 21,786 | $3.9M |
| Alliancebernstein L.P. | 0.00% | Add +80.6% | 14,841 | $3.4M |
| Bridgewater Associates | 0.01% | Add +906.5% | 18,630 | $3.3M |
| ExodusPoint Capital Management, LP | 0.03% | New | 17,853 | $3.2M |
| Susquehanna International Group, LLP | 0.00% | Reduce -32.7% | 17,575 | $3.1M |
| Principal Financial Group Inc. | 0.00% | Add +0.9% | 17,353 | $3.1M |
| Acadian Asset Management LLC | 0.00% | Reduce -29.7% | 17,254 | $3.1M |
| Nomura Holdings Inc. | 0.01% | Reduce -39.2% | 16,534 | $2.9M |
| Odyssean, LLC | 0.47% | Add +152.3% | 16,344 | $2.9M |
| Royal Bank of Canada | 0.00% | Reduce -16.9% | 15,846 | $2.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -1.4% | 15,684 | $2.8M |
| Swiss National Bank | 0.00% | Reduce -6.2% | 15,100 | $2.7M |
| Squarepoint Ops LLC | 0.01% | Reduce -19.5% | 14,469 | $2.6M |
| CenterBook Partners LP | 0.12% | Add +40.6% | 13,820 | $2.4M |
| XTX Topco Ltd | 0.03% | Add +149.7% | 13,712 | $2.4M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +255.8% | 13,652 | $2.4M |
| Caxton Associates LLP | 0.04% | New | 12,900 | $2.3M |
| Creative Planning | 0.00% | Reduce -53.3% | 12,350 | $2.2M |
| Wedge Capital Management L L P | 0.04% | Add +52.4% | 12,238 | $2.2M |
| Legal & General Group Plc | 0.00% | Add +5.7% | 12,018 | $2.1M |
| Oak Thistle LLC | 0.20% | Add +11.7% | 11,934 | $2.1M |
| Savoir Faire Capital Management, L.P. | 1.31% | Reduce -21.4% | 11,897 | $2.1M |
| Wells Fargo & Company | 0.00% | Add +122.6% | 11,796 | $2.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +37.7% | 11,156 | $2.0M |
| Ieq Capital, LLC | 0.01% | Reduce -71.0% | 10,691 | $1.9M |
| Barclays PLC | 0.00% | Reduce -9.4% | 10,324 | $1.8M |
| BCGM Wealth Management, LLC | 0.38% | Add +3.0% | 10,247 | $1.8M |
| Engineers Gate Manager LP | 0.02% | Add +367.2% | 9,610 | $1.7M |
| Quadrature Capital Ltd | 0.01% | New | 9,452 | $1.7M |
| Two Sigma Investments, LP | 0.00% | Add +19.3% | 8,947 | $1.6M |
| Numerai GP LLC | 0.13% | Add +620.9% | 8,867 | $1.6M |
| Deutsche Bank AG | 0.00% | Add +567.9% | 8,750 | $1.5M |
| California State Teachers Retirement System | 0.00% | Reduce -14.6% | 8,515 | $1.5M |
| Voya Investment Management LLC | 0.00% | Add +12.3% | 8,105 | $1.4M |
| Citigroup Inc. | 0.00% | Add +146.3% | 8,097 | $1.4M |
| State of Wisconsin Investment Board | 0.00% | Add +49.8% | 8,075 | $1.4M |
| MetLife Investment Management, LLC | 0.01% | Add +111.0% | 7,989 | $1.4M |
| Retirement Systems of Alabama | 0.00% | Reduce -18.0% | 7,732 | $1.4M |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +68.8% | 7,552 | $1.3M |
| BNP Paribas Financial Markets | 0.00% | Add +549.6% | 7,438 | $1.3M |
| New York State Teachers Retirement System | 0.00% | Reduce -19.7% | 7,424 | $1.3M |
| Gagnon Securities LLC | 0.25% | Add +0.6% | 7,283 | $1.3M |
| Jain Global LLC | 0.02% | Add +710.8% | 7,086 | $1.3M |
| Oppenheimer Asset Management Inc. | 0.01% | Add +121.5% | 6,821 | $1.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +25.4% | 6,784 | $1.2M |
| Ossiam | 0.02% | New | 6,720 | $1.2M |
| Atom Investors LP | 0.10% | New | 6,470 | $1.1M |
"% 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.