What does CUSIP 100557107 represent in this 13F holders report?

CUSIP 100557107 is the security identifier for SAM - BOSTON BEER CO INC - CLASS A COMMON STOCK used to aggregate holder disclosures.

How many institutions held SAM - BOSTON BEER CO INC - CLASS A COMMON STOCK in Q2 2019?

266 institutional investors reported SAM - BOSTON BEER CO INC - CLASS A COMMON STOCK for Q2 2019. Use the holders table for investor-level position and value details.

BOSTON BEER CO INC - CLASS A COMMON STOCK (SAM)

CUSIP: 100557107

Q2 2019 13F Holders as of 30 Jun 2019

Type / Class: Equity / CLASS A COMMON STOCK
Shares outstanding: 8,494,151
Total 13F shares: 8,798,392
Share change: +181,545
Total reported value: $3,320,807,266
Put/Call ratio: 118%
Price per share: $377.76
Number of holders: 266
Value change: +$81,568,143
Number of buys: 119
Number of sells: 128

Quarterly Holders Quick Answers

What is CUSIP 100557107?
CUSIP 100557107 identifies SAM - BOSTON BEER CO INC - CLASS A COMMON STOCK in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2019
Previous quarter: Q1 2019

Recent filing periods for CUSIP 100557107:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of SAM - BOSTON BEER CO INC - CLASS A COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	15%	1,281,546	$377,710,000	—	31 Mar 2019	13F
VANGUARD GROUP INC	13F	Company	12%	993,511	$292,818,000	—	31 Mar 2019	13F
BlackRock Finance, Inc.	13F	Company	12%	991,265	$292,154,000	—	31 Mar 2019	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	4.5%	381,339	$111,412,000	—	31 Mar 2019	13F
STATE STREET CORP	13F	Company	3.2%	273,812	$80,701,000	—	31 Mar 2019	13F
Fisher Asset Management, LLC	13F	Company	3.1%	265,603	$78,281,000	—	31 Mar 2019	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.7%	233,253	$68,746,000	—	31 Mar 2019	13F
MACQUARIE GROUP LTD	13F	Company	2.7%	229,571	$67,661,000	—	31 Mar 2019	13F
Invesco Ltd.	13F	Company	2.5%	212,209	$62,544,000	—	31 Mar 2019	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	2.5%	210,800	$62,129,000	—	31 Mar 2019	13F
Bank of New York Mellon Corp	13F	Company	2.4%	202,473	$59,675,000	—	31 Mar 2019	13F
GOLDMAN SACHS GROUP INC	13F	Company	2.4%	200,835	$59,192,000	—	31 Mar 2019	13F
Jupiter Investment Management Ltd	13F	Company	2.3%	198,114	$58,390,000	—	31 Mar 2019	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	1.7%	141,419	$41,681,000	—	31 Mar 2019	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.7%	141,251	$41,632,000	—	31 Mar 2019	13F
NORTHERN TRUST CORP	13F	Company	1.6%	138,603	$40,851,000	—	31 Mar 2019	13F
Champlain Investment Partners, LLC	13F	Company	1.6%	138,465	$40,810,000	—	31 Mar 2019	13F
DEUTSCHE BANK AG\	13F	Company	1.5%	130,184	$38,366,000	—	31 Mar 2019	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.5%	126,967	$37,420,000	—	31 Mar 2019	13F
WINTON GROUP Ltd	13F	Company	1.4%	117,045	$34,497,000	—	31 Mar 2019	13F
Man Group plc	13F	Company	1.2%	98,019	$28,889,000	—	31 Mar 2019	13F
NORGES BANK	13F	Company	1.1%	97,111	$28,621,000	—	31 Mar 2019	13F
FMR LLC	13F	Company	1.1%	90,102	$26,555,000	—	31 Mar 2019	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.98%	83,379	$24,574,000	—	31 Mar 2019	13F
TEACHERS ADVISORS, LLC	13F	Company	0.95%	80,974	$23,865,000	—	31 Mar 2019	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.78%	66,013	$19,457,000	—	31 Mar 2019	13F
D. E. Shaw & Co., Inc.	13F	Company	0.57%	48,612	$14,328,000	—	31 Mar 2019	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.54%	45,693	$13,467,000	—	31 Mar 2019	13F
APG Asset Management N.V.	13F	Company	0.58%	49,500	$12,993,000	—	31 Mar 2019	13F
Robeco Institutional Asset Management B.V.	13F	Company	0.51%	43,292	$12,759,000	—	31 Mar 2019	13F
CANADA PENSION PLAN INVESTMENT BOARD	13F	Company	0.42%	36,100	$10,640,000	—	31 Mar 2019	13F
Boston Trust Walden Corp	13F	Company	0.42%	36,094	$10,638,000	—	31 Mar 2019	13F
Global Alpha Capital Management Ltd.	13F	Company	0.41%	35,145	$10,358,000	—	31 Mar 2019	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.41%	34,495	$10,136,000	—	31 Mar 2019	13F
CAPITAL FUND MANAGEMENT S.A.	13F	Company	0.4%	33,960	$10,009,000	—	31 Mar 2019	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.38%	31,908	$9,404,000	—	31 Mar 2019	13F
RK Asset Management, LLC	13F	Company	0.37%	31,804	$9,374,000	—	31 Mar 2019	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.36%	30,272	$8,922,000	—	31 Mar 2019	13F
BNP Paribas Asset Management Holding S.A.	13F	Company	0.36%	30,156	$8,888,000	—	31 Mar 2019	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.35%	29,702	$8,754,000	—	31 Mar 2019	13F
RHUMBLINE ADVISERS	13F	Company	0.34%	29,271	$8,627,000	—	31 Mar 2019	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.34%	29,213	$8,610,000	—	31 Mar 2019	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.34%	28,882	$8,512,000	—	31 Mar 2019	13F
MARTINGALE ASSET MANAGEMENT L P	13F	Company	0.33%	28,203	$8,313,000	—	31 Mar 2019	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.33%	27,740	$8,175,000	—	31 Mar 2019	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.3%	25,763	$7,593,000	—	31 Mar 2019	13F
MORGAN STANLEY	13F	Company	0.3%	25,170	$7,418,000	—	31 Mar 2019	13F
GABELLI FUNDS LLC	13F	Company	0.28%	24,200	$7,132,000	—	31 Mar 2019	13F
GAMCO INVESTORS, INC. ET AL	13F	Company	0.27%	22,655	$6,677,000	—	31 Mar 2019	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.26%	22,481	$6,626,000	—	31 Mar 2019	13F

Institutional Holders of BOSTON BEER CO INC - CLASS A COMMON STOCK (SAM) as of Q2 2019

As of 30 Jun 2019, BOSTON BEER CO INC - CLASS A COMMON STOCK (SAM) was held by 266 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 8,798,392 shares. The largest 10 holders included PRICE T ROWE ASSOCIATES INC /MD/, VANGUARD GROUP INC, BlackRock Inc., AQR CAPITAL MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC, STATE STREET CORP, Fisher Asset Management, LLC, Invesco Ltd., DIMENSIONAL FUND ADVISORS LP, and MACQUARIE GROUP LTD. This page lists 266 institutional shareholders reporting positions in this security for the Q2 2019 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2019 vs Q1 2019 Across Filers

Q1 2019 holders

261

Q2 2019 holders

266

Holder diff

Investor	Q1 2019 Shares	Q2 2019 Shares	Share Diff	Share Chg %	Q1 2019 Value $	Q2 2019 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.