BOSTON BEER INC (SAM)
Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.
311
Reporting holders
$1.5B
Reported value
2.6%
Held as options
-36
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $179.7M | 1,015,254 | 0.00% | 8q | +31.8%+$43.4M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $107.9M | 609,360 | 0.00% | 2q | -4.0%-$4.4M |
| AQR CAPITAL MANAGEMENT LLC | $95.6M | 539,988 | 0.03% | 31q | -17.2%-$19.8M |
| UBS Group AG | $77.5M | 434,656 | 0.01% | 31q | +98.8%+$38.5M |
| AMERICAN CENTURY COMPANIES INC | $68.2M | 385,326 | 0.03% | 31q | +33.8%+$17.2M |
| VANGUARD CAPITAL MANAGEMENT LLC | $61.2M | 345,822 | 0.00% | 2q | +1.4%+$870.8K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $56.8M | 321,080 | 0.03% | 6q | +30.9%+$13.4M |
| DIMENSIONAL FUND ADVISORS LP | $56.8M | 320,885 | 0.01% | 31q | +17.3%+$8.4M |
| STATE STREET CORP | $55.8M | 314,732 | 0.00% | 31q | +23.3%+$10.6M |
| MILLENNIUM MANAGEMENT LLC | $50.2M | 283,512 | 0.02% | 13q | +193.4%+$33.1M |
| Global Alpha Capital Management Ltd. | $47.4M | 267,567 | 2.84% | 7q | +81.4%+$21.3M |
| GEODE CAPITAL MANAGEMENT, LLC | $36.4M | 205,368 | 0.00% | 31q | +44.5%+$11.2M |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | $25.9M | 146,043 | 1.35% | 14q | +23.3%+$4.9M |
| SOUTHERNSUN ASSET MANAGEMENT, LLC | $23.3M | 131,877 | 3.14% | 19q | +76.3%+$10.1M |
| GOLDMAN SACHS GROUP INC | $23.2M | 130,819 | 0.00% | 31q | -9.8%-$2.5M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $22.3M | 126,182 | 0.00% | 31q | +17.9%+$3.4M |
| Sixth Street Partners Management Company, L.P. | $22.3M | 126,182 | 0.00% | new | NEW |
| NEUBERGER BERMAN GROUP LLC | $20.9M | 117,548 | 0.01% | new | NEW |
| MORGAN STANLEY | $18.5M | 104,302 | 0.00% | 35q | -22.5%-$5.3M |
| CITADEL ADVISORS LLC | $18.4M | 48,829 | 0.00% | 31q | -8.2%-$1.7M |
| AMERIPRISE FINANCIAL INC | $18.2M | 103,039 | 0.00% | 31q | -43.7%-$14.2M |
| Quantinno Capital Management LP | $18.2M | 102,562 | 0.02% | 9q | -55.5%-$22.7M |
| RENAISSANCE TECHNOLOGIES LLC | $18.1M | 102,179 | 0.02% | 12q | +9.0%+$1.5M |
| D. E. Shaw & Co., Inc. | $17.6M | 99,454 | 0.01% | 31q | +113.4%+$9.4M |
| NORTHERN TRUST CORP | $17.5M | 98,799 | 0.00% | 31q | +25.1%+$3.5M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $14.7M | 17,575 | 0.00% | 31q | -32.7%-$7.1M |
| Trexquant Investment LP | $13.0M | 73,254 | 0.08% | 13q | +145.9%+$7.7M |
| Calamos Advisors LLC | $11.6M | 65,364 | 0.04% | 8q | -2.1%-$245.2K |
| Bank of New York Mellon Corp | $11.2M | 63,464 | 0.00% | 31q | +11.4%+$1.1M |
| BANK OF AMERICA CORP /DE/ | $11.2M | 63,070 | 0.00% | 31q | +42.2%+$3.3M |
| WORLDQUANT MILLENNIUM ADVISORS LLC | $11.1M | 62,666 | 0.04% | new | NEW |
| Qube Research & Technologies Ltd | $11.1M | 62,634 | 0.01% | 8q | -43.7%-$8.6M |
| FMR LLC | $10.7M | 60,625 | 0.00% | 31q | -69.0%-$23.9M |
| Invesco Ltd. | $10.4M | 58,648 | 0.00% | 31q | -49.3%-$10.1M |
| LOOMIS SAYLES & CO L P | $10.3M | 58,288 | 0.01% | 18q | -8.2%-$919.3K |
| VANGUARD FIDUCIARY TRUST CO | $9.3M | 52,748 | 0.00% | 2q | +10.7%+$899.0K |
| Squarepoint Ops LLC | $8.2M | 14,469 | 0.01% | 17q | -19.5%-$2.0M |
| FIRST TRUST ADVISORS LP | $8.0M | 45,318 | 0.00% | 12q | -12.3%-$1.1M |
| Prescott General Partners LLC | $8.0M | 45,000 | 0.41% | 2q | HELD |
| MARSHALL WACE, LLP | $7.5M | 42,474 | 0.01% | 6q | -6.9%-$561.4K |
| GABELLI FUNDS LLC | $7.5M | 42,400 | 0.05% | 31q | +60.6%+$2.8M |
| JPMORGAN CHASE & CO | $6.6M | 35,905 | 0.00% | 31q | +6.1%+$377.8K |
| IMC-Chicago, LLC | $6.0M | options only | 0.00% | 2q | OPTIONS |
| CAPITAL FUND MANAGEMENT S.A. | $5.9M | 33,447 | 0.03% | new | NEW |
| WINTON GROUP Ltd | $5.8M | 33,018 | 0.19% | 5q | +1.1%+$63.6K |
| Edgestream Partners, L.P. | $5.8M | 32,914 | 0.17% | new | NEW |
| FRANKLIN RESOURCES INC | $5.8M | 32,567 | 0.00% | 15q | -41.5%-$4.1M |
| TUDOR INVESTMENT CORP ET AL | $5.7M | 30,517 | 0.01% | new | NEW |
| Darwins River Capital, LP | $5.5M | 30,820 | 2.99% | new | NEW |
| ING GROEP NV | $5.2M | 29,300 | 0.03% | new | NEW |
| GAMCO INVESTORS, INC. ET AL | $5.0M | 28,352 | 0.05% | 31q | +1.0%+$51.7K |
| RHUMBLINE ADVISERS | $4.8M | 27,251 | 0.00% | 31q | +17.2%+$707.1K |
| DARK FOREST CAPITAL MANAGEMENT LP | $4.7M | 26,691 | 0.30% | new | NEW |
| Nuveen, LLC | $4.1M | 23,416 | 0.00% | 6q | +25.9%+$852.6K |
| ALGERT GLOBAL LLC | $3.9M | 21,786 | 0.05% | 21q | -55.7%-$4.8M |
| ALLIANCEBERNSTEIN L.P. | $3.4M | 14,841 | 0.00% | 31q | +80.6%+$1.5M |
| Bridgewater Associates, LP | $3.3M | 18,630 | 0.01% | 4q | +906.5%+$3.0M |
| ExodusPoint Capital Management, LP | $3.2M | 17,853 | 0.02% | new | NEW |
| PRINCIPAL FINANCIAL GROUP INC | $3.1M | 17,353 | 0.00% | 31q | +0.9%+$28.7K |
| NOMURA HOLDINGS INC | $2.9M | 16,534 | 0.00% | 3q | -39.2%-$1.9M |
| Odyssean, LLC | $2.9M | 16,344 | 0.47% | 2q | +152.3%+$1.7M |
| ROYAL BANK OF CANADA | $2.8M | 15,846 | 0.00% | 31q | -17.0%-$572.4K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $2.8M | 15,684 | 0.00% | 31q | -1.4%-$38.9K |
| Swiss National Bank | $2.7M | 15,100 | 0.00% | 31q | -6.2%-$177.0K |
| TWO SIGMA INVESTMENTS, LP | $2.6M | 8,947 | 0.00% | 4q | +19.3%+$419.4K |
| GROUP ONE TRADING LLC | $2.5M | 182 | 0.00% | 2q | -93.4%-$35.8M |
| CenterBook Partners LP | $2.4M | 13,820 | 0.12% | 6q | +40.6%+$706.0K |
| XTX Topco Ltd | $2.4M | 13,712 | 0.03% | 10q | +149.7%+$1.5M |
| Schonfeld Strategic Advisors LLC | $2.4M | 13,652 | 0.01% | 5q | +255.8%+$1.7M |
| CAXTON ASSOCIATES LLP | $2.3M | 12,900 | 0.04% | new | NEW |
| Creative Planning | $2.2M | 12,350 | 0.00% | 31q | -53.3%-$2.5M |
| WEDGE CAPITAL MANAGEMENT L L P/NC | $2.2M | 12,238 | 0.04% | 11q | +52.4%+$745.3K |
| Legal & General Group Plc | $2.1M | 12,018 | 0.00% | 31q | +5.7%+$114.2K |
| Oak Thistle LLC | $2.1M | 11,934 | 0.20% | 5q | +11.7%+$221.5K |
| Savoir Faire Capital Management, L.P. | $2.1M | 11,897 | 1.31% | 7q | -21.4%-$573.6K |
| WELLS FARGO & COMPANY/MN | $2.1M | 11,796 | 0.00% | 31q | +11.3%+$211.7K |
| IEQ CAPITAL, LLC | $1.9M | 10,691 | 0.01% | 5q | -71.0%-$4.6M |
| BARCLAYS PLC | $1.8M | 10,324 | 0.00% | 31q | -9.4%-$189.2K |
| BCGM Wealth Management, LLC | $1.8M | 10,247 | 0.38% | 5q | +3.0%+$53.6K |
| Engineers Gate Manager LP | $1.7M | 9,610 | 0.02% | 9q | +367.2%+$1.3M |
| Quadrature Capital Ltd | $1.7M | 9,452 | 0.01% | new | NEW |
| Crawford Fund Management, LLC | $1.6M | options only | 0.25% | 11q | OPTIONS |
| MERCER GLOBAL ADVISORS INC /ADV | $1.6M | 9,012 | 0.00% | 5q | +16.8%+$229.6K |
| Numerai GP LLC | $1.6M | 8,867 | 0.13% | 2q | +620.9%+$1.4M |
| DEUTSCHE BANK AG\ | $1.5M | 8,750 | 0.00% | 34q | +567.9%+$1.3M |
| Corient Private Wealth LP | $1.5M | 8,474 | 0.00% | 7q | -81.3%-$6.5M |
| VOYA INVESTMENT MANAGEMENT LLC | $1.4M | 8,105 | 0.00% | 31q | +12.3%+$156.7K |
| CITIGROUP INC | $1.4M | 8,097 | 0.00% | 31q | +146.3%+$851.5K |
| STATE OF WISCONSIN INVESTMENT BOARD | $1.4M | 8,075 | 0.00% | 25q | +49.8%+$475.5K |
| MetLife Investment Management, LLC | $1.4M | 7,989 | 0.01% | 32q | +111.0%+$744.1K |
| Retirement Systems of Alabama | $1.4M | 7,732 | 0.00% | 31q | -18.0%-$300.6K |
| EXCHANGE TRADED CONCEPTS, LLC | $1.3M | 7,618 | 0.00% | 10q | +99.3%+$672.0K |
| Federation des caisses Desjardins du Quebec | $1.3M | 7,552 | 0.00% | 18q | +68.8%+$544.7K |
| BNP PARIBAS FINANCIAL MARKETS | $1.3M | 7,438 | 0.00% | 31q | +549.6%+$1.1M |
| GAGNON SECURITIES LLC | $1.3M | 7,283 | 0.25% | 17q | +0.6%+$7.8K |
| Jain Global LLC | $1.3M | 7,086 | 0.00% | 3q | +710.8%+$1.1M |
| OPPENHEIMER ASSET MANAGEMENT INC. | $1.2M | 6,821 | 0.01% | 19q | +121.5%+$662.4K |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $1.2M | 6,784 | 0.00% | 31q | +25.4%+$243.1K |
| OSSIAM | $1.2M | 6,720 | 0.02% | new | NEW |
| Atom Investors LP | $1.1M | 6,470 | 0.10% | new | NEW |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-08-13 | 13G/A | AQR Capital Management, LLCwith 1 co-filers | 6.5% |
| 2026-07-22 | 13G | Millennium Management LLCwith 2 co-filers | 4.9% |
| 2026-07-08 | 13G/A | BlackRock, Inc. | 11.3% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 311 | $1.5B | 8,428,633 | 43 | 106 | 103 | 2.6% |
| Q1 2026 | 347 | $1.8B | 7,717,553 | 71 | 119 | 82 | 1.9% |
| Q4 2025 | 323 | $1.5B | 7,488,414 | 44 | 66 | 142 | 1.6% |
| Q3 2025 | 330 | $1.7B | 7,574,110 | 63 | 103 | 103 | 3.6% |
| Q2 2025 | 319 | $1.5B | 7,362,390 | 57 | 108 | 84 | 4.4% |
| Q1 2025 | 303 | $1.7B | 7,128,592 | 47 | 106 | 82 | 5.6% |
| Q4 2024 | 311 | $2.0B | 6,471,633 | 33 | 93 | 99 | 2.8% |
| Q3 2024 | 303 | $1.9B | 6,243,538 | 46 | 74 | 104 | 4.6% |
| Q2 2024 | 300 | $2.0B | 6,059,184 | 57 | 81 | 105 | 7.4% |
| Q1 2024 | 294 | $2.0B | 6,256,602 | 36 | 98 | 82 | 7.1% |
| Q4 2023 | 303 | $2.4B | 6,339,645 | 32 | 81 | 97 | 10.6% |
| Q3 2023 | 287 | $2.9B | 6,654,276 | 45 | 73 | 96 | 9.8% |
| Q2 2023 | 262 | $2.3B | 6,586,602 | 29 | 70 | 78 | 10.2% |
| Q1 2023 | 266 | $2.9B | 8,180,066 | 32 | 72 | 89 | 8.1% |
| Q4 2022 | 253 | $2.4B | 6,002,838 | 38 | 70 | 75 | 16.1% |
| Q3 2022 | 298 | $3.2B | 8,491,122 | 33 | 94 | 92 | 13.6% |
| Q2 2022 | 315 | $2.9B | 8,562,269 | 48 | 103 | 75 | 11.2% |
| Q1 2022 | 325 | $3.4B | 7,695,374 | 34 | 124 | 82 | 12.3% |
| Q4 2021 | 382 | $5.0B | 7,699,579 | 59 | 103 | 127 | 21.9% |
| Q3 2021 | 382 | $5.3B | 8,113,986 | 57 | 117 | 119 | 21.4% |
| Q2 2021 | 459 | $9.8B | 8,918,193 | 93 | 132 | 120 | 7.7% |
| Q1 2021 | 417 | $11.1B | 8,780,814 | 64 | 121 | 144 | 4.3% |
| Q4 2020 | 402 | $9.2B | 8,653,249 | 62 | 115 | 134 | 6.0% |
| Q3 2020 | 372 | $8.0B | 8,507,485 | 82 | 88 | 134 | 6.4% |
| Q2 2020 | 325 | $5.0B | 8,740,584 | 75 | 82 | 112 | 5.2% |
| Q1 2020 | 282 | $3.4B | 8,865,542 | 28 | 69 | 112 | 3.4% |
| Q4 2019 | 298 | $3.5B | 8,935,700 | 26 | 80 | 108 | 2.8% |
| Q3 2019 | 303 | $3.5B | 8,937,272 | 53 | 89 | 87 | 8.3% |
| Q2 2019 | 274 | $3.8B | 9,237,401 | 43 | 74 | 91 | 7.4% |
| Q1 2019 | 270 | $2.7B | 8,735,524 | 40 | 73 | 93 | 4.1% |
| Q4 2018 | 255 | $2.2B | 8,768,015 | 5 | 3 | 4 | 5.1% |