HolderBook

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

FilerValueShares Their book Held Change
BlackRock, Inc.$179.7M1,015,2540.00%8q+31.8%+$43.4M
VANGUARD PORTFOLIO MANAGEMENT LLC$107.9M609,3600.00%2q-4.0%-$4.4M
AQR CAPITAL MANAGEMENT LLC$95.6M539,9880.03%31q-17.2%-$19.8M
UBS Group AG$77.5M434,6560.01%31q+98.8%+$38.5M
AMERICAN CENTURY COMPANIES INC$68.2M385,3260.03%31q+33.8%+$17.2M
VANGUARD CAPITAL MANAGEMENT LLC$61.2M345,8220.00%2q+1.4%+$870.8K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$56.8M321,0800.03%6q+30.9%+$13.4M
DIMENSIONAL FUND ADVISORS LP$56.8M320,8850.01%31q+17.3%+$8.4M
STATE STREET CORP$55.8M314,7320.00%31q+23.3%+$10.6M
MILLENNIUM MANAGEMENT LLC$50.2M283,5120.02%13q+193.4%+$33.1M
Global Alpha Capital Management Ltd.$47.4M267,5672.84%7q+81.4%+$21.3M
GEODE CAPITAL MANAGEMENT, LLC$36.4M205,3680.00%31q+44.5%+$11.2M
SOUTHEASTERN ASSET MANAGEMENT INC/TN/$25.9M146,0431.35%14q+23.3%+$4.9M
SOUTHERNSUN ASSET MANAGEMENT, LLC$23.3M131,8773.14%19q+76.3%+$10.1M
GOLDMAN SACHS GROUP INC$23.2M130,8190.00%31q-9.8%-$2.5M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$22.3M126,1820.00%31q+17.9%+$3.4M
Sixth Street Partners Management Company, L.P.$22.3M126,1820.00%newNEW
NEUBERGER BERMAN GROUP LLC$20.9M117,5480.01%newNEW
MORGAN STANLEY$18.5M104,3020.00%35q-22.5%-$5.3M
CITADEL ADVISORS LLC$18.4M48,8290.00%31q-8.2%-$1.7M
AMERIPRISE FINANCIAL INC$18.2M103,0390.00%31q-43.7%-$14.2M
Quantinno Capital Management LP$18.2M102,5620.02%9q-55.5%-$22.7M
RENAISSANCE TECHNOLOGIES LLC$18.1M102,1790.02%12q+9.0%+$1.5M
D. E. Shaw & Co., Inc.$17.6M99,4540.01%31q+113.4%+$9.4M
NORTHERN TRUST CORP$17.5M98,7990.00%31q+25.1%+$3.5M
SUSQUEHANNA INTERNATIONAL GROUP, LLP$14.7M17,5750.00%31q-32.7%-$7.1M
Trexquant Investment LP$13.0M73,2540.08%13q+145.9%+$7.7M
Calamos Advisors LLC$11.6M65,3640.04%8q-2.1%-$245.2K
Bank of New York Mellon Corp$11.2M63,4640.00%31q+11.4%+$1.1M
BANK OF AMERICA CORP /DE/$11.2M63,0700.00%31q+42.2%+$3.3M
WORLDQUANT MILLENNIUM ADVISORS LLC$11.1M62,6660.04%newNEW
Qube Research & Technologies Ltd$11.1M62,6340.01%8q-43.7%-$8.6M
FMR LLC$10.7M60,6250.00%31q-69.0%-$23.9M
Invesco Ltd.$10.4M58,6480.00%31q-49.3%-$10.1M
LOOMIS SAYLES & CO L P$10.3M58,2880.01%18q-8.2%-$919.3K
VANGUARD FIDUCIARY TRUST CO$9.3M52,7480.00%2q+10.7%+$899.0K
Squarepoint Ops LLC$8.2M14,4690.01%17q-19.5%-$2.0M
FIRST TRUST ADVISORS LP$8.0M45,3180.00%12q-12.3%-$1.1M
Prescott General Partners LLC$8.0M45,0000.41%2qHELD
MARSHALL WACE, LLP$7.5M42,4740.01%6q-6.9%-$561.4K
GABELLI FUNDS LLC$7.5M42,4000.05%31q+60.6%+$2.8M
JPMORGAN CHASE & CO$6.6M35,9050.00%31q+6.1%+$377.8K
IMC-Chicago, LLC$6.0Moptions only0.00%2qOPTIONS
CAPITAL FUND MANAGEMENT S.A.$5.9M33,4470.03%newNEW
WINTON GROUP Ltd$5.8M33,0180.19%5q+1.1%+$63.6K
Edgestream Partners, L.P.$5.8M32,9140.17%newNEW
FRANKLIN RESOURCES INC$5.8M32,5670.00%15q-41.5%-$4.1M
TUDOR INVESTMENT CORP ET AL$5.7M30,5170.01%newNEW
Darwins River Capital, LP$5.5M30,8202.99%newNEW
ING GROEP NV$5.2M29,3000.03%newNEW
GAMCO INVESTORS, INC. ET AL$5.0M28,3520.05%31q+1.0%+$51.7K
RHUMBLINE ADVISERS$4.8M27,2510.00%31q+17.2%+$707.1K
DARK FOREST CAPITAL MANAGEMENT LP$4.7M26,6910.30%newNEW
Nuveen, LLC$4.1M23,4160.00%6q+25.9%+$852.6K
ALGERT GLOBAL LLC$3.9M21,7860.05%21q-55.7%-$4.8M
ALLIANCEBERNSTEIN L.P.$3.4M14,8410.00%31q+80.6%+$1.5M
Bridgewater Associates, LP$3.3M18,6300.01%4q+906.5%+$3.0M
ExodusPoint Capital Management, LP$3.2M17,8530.02%newNEW
PRINCIPAL FINANCIAL GROUP INC$3.1M17,3530.00%31q+0.9%+$28.7K
NOMURA HOLDINGS INC$2.9M16,5340.00%3q-39.2%-$1.9M
Odyssean, LLC$2.9M16,3440.47%2q+152.3%+$1.7M
ROYAL BANK OF CANADA$2.8M15,8460.00%31q-17.0%-$572.4K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$2.8M15,6840.00%31q-1.4%-$38.9K
Swiss National Bank$2.7M15,1000.00%31q-6.2%-$177.0K
TWO SIGMA INVESTMENTS, LP$2.6M8,9470.00%4q+19.3%+$419.4K
GROUP ONE TRADING LLC$2.5M1820.00%2q-93.4%-$35.8M
CenterBook Partners LP$2.4M13,8200.12%6q+40.6%+$706.0K
XTX Topco Ltd$2.4M13,7120.03%10q+149.7%+$1.5M
Schonfeld Strategic Advisors LLC$2.4M13,6520.01%5q+255.8%+$1.7M
CAXTON ASSOCIATES LLP$2.3M12,9000.04%newNEW
Creative Planning$2.2M12,3500.00%31q-53.3%-$2.5M
WEDGE CAPITAL MANAGEMENT L L P/NC$2.2M12,2380.04%11q+52.4%+$745.3K
Legal & General Group Plc$2.1M12,0180.00%31q+5.7%+$114.2K
Oak Thistle LLC$2.1M11,9340.20%5q+11.7%+$221.5K
Savoir Faire Capital Management, L.P.$2.1M11,8971.31%7q-21.4%-$573.6K
WELLS FARGO & COMPANY/MN$2.1M11,7960.00%31q+11.3%+$211.7K
IEQ CAPITAL, LLC$1.9M10,6910.01%5q-71.0%-$4.6M
BARCLAYS PLC$1.8M10,3240.00%31q-9.4%-$189.2K
BCGM Wealth Management, LLC$1.8M10,2470.38%5q+3.0%+$53.6K
Engineers Gate Manager LP$1.7M9,6100.02%9q+367.2%+$1.3M
Quadrature Capital Ltd$1.7M9,4520.01%newNEW
Crawford Fund Management, LLC$1.6Moptions only0.25%11qOPTIONS
MERCER GLOBAL ADVISORS INC /ADV$1.6M9,0120.00%5q+16.8%+$229.6K
Numerai GP LLC$1.6M8,8670.13%2q+620.9%+$1.4M
DEUTSCHE BANK AG\$1.5M8,7500.00%34q+567.9%+$1.3M
Corient Private Wealth LP$1.5M8,4740.00%7q-81.3%-$6.5M
VOYA INVESTMENT MANAGEMENT LLC$1.4M8,1050.00%31q+12.3%+$156.7K
CITIGROUP INC$1.4M8,0970.00%31q+146.3%+$851.5K
STATE OF WISCONSIN INVESTMENT BOARD$1.4M8,0750.00%25q+49.8%+$475.5K
MetLife Investment Management, LLC$1.4M7,9890.01%32q+111.0%+$744.1K
Retirement Systems of Alabama$1.4M7,7320.00%31q-18.0%-$300.6K
EXCHANGE TRADED CONCEPTS, LLC$1.3M7,6180.00%10q+99.3%+$672.0K
Federation des caisses Desjardins du Quebec$1.3M7,5520.00%18q+68.8%+$544.7K
BNP PARIBAS FINANCIAL MARKETS$1.3M7,4380.00%31q+549.6%+$1.1M
GAGNON SECURITIES LLC$1.3M7,2830.25%17q+0.6%+$7.8K
Jain Global LLC$1.3M7,0860.00%3q+710.8%+$1.1M
OPPENHEIMER ASSET MANAGEMENT INC.$1.2M6,8210.01%19q+121.5%+$662.4K
MANUFACTURERS LIFE INSURANCE COMPANY, THE$1.2M6,7840.00%31q+25.4%+$243.1K
OSSIAM$1.2M6,7200.02%newNEW
Atom Investors LP$1.1M6,4700.10%newNEW

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 →

FiledFormFiler % of class
2026-08-1313G/AAQR Capital Management, LLCwith 1 co-filers6.5%
2026-07-2213GMillennium Management LLCwith 2 co-filers4.9%
2026-07-0813G/ABlackRock, 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.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 2026311$1.5B8,428,633431061032.6%
Q1 2026347$1.8B7,717,55371119821.9%
Q4 2025323$1.5B7,488,41444661421.6%
Q3 2025330$1.7B7,574,110631031033.6%
Q2 2025319$1.5B7,362,39057108844.4%
Q1 2025303$1.7B7,128,59247106825.6%
Q4 2024311$2.0B6,471,6333393992.8%
Q3 2024303$1.9B6,243,53846741044.6%
Q2 2024300$2.0B6,059,18457811057.4%
Q1 2024294$2.0B6,256,6023698827.1%
Q4 2023303$2.4B6,339,64532819710.6%
Q3 2023287$2.9B6,654,2764573969.8%
Q2 2023262$2.3B6,586,60229707810.2%
Q1 2023266$2.9B8,180,0663272898.1%
Q4 2022253$2.4B6,002,83838707516.1%
Q3 2022298$3.2B8,491,12233949213.6%
Q2 2022315$2.9B8,562,269481037511.2%
Q1 2022325$3.4B7,695,374341248212.3%
Q4 2021382$5.0B7,699,5795910312721.9%
Q3 2021382$5.3B8,113,9865711711921.4%
Q2 2021459$9.8B8,918,193931321207.7%
Q1 2021417$11.1B8,780,814641211444.3%
Q4 2020402$9.2B8,653,249621151346.0%
Q3 2020372$8.0B8,507,48582881346.4%
Q2 2020325$5.0B8,740,58475821125.2%
Q1 2020282$3.4B8,865,54228691123.4%
Q4 2019298$3.5B8,935,70026801082.8%
Q3 2019303$3.5B8,937,2725389878.3%
Q2 2019274$3.8B9,237,4014374917.4%
Q1 2019270$2.7B8,735,5244073934.1%
Q4 2018255$2.2B8,768,0155345.1%