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 $0.01 par value used to aggregate holder disclosures.

How many institutions held SAM - BOSTON BEER CO INC - Class A Common Stock $0.01 par value in Q1 2016?

202 institutional investors reported SAM - BOSTON BEER CO INC - Class A Common Stock $0.01 par value for Q1 2016. Use the holders table for investor-level position and value details.

BOSTON BEER CO INC - Class A Common Stock $0.01 par value (SAM)

CUSIP: 100557107

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Class A Common Stock $0.01 par value
Shares outstanding: 8,598,125
Total 13F shares: 8,667,576
Share change: +246,773
Total reported value: $1,602,175,573
Put/Call ratio: 174%
Price per share: $185.07
Number of holders: 202
Value change: +$40,242,925
Number of buys: 96
Number of sells: 105

Quarterly Holders Quick Answers

What is CUSIP 100557107?
CUSIP 100557107 identifies SAM - BOSTON BEER CO INC - Class A Common Stock $0.01 par value in SEC institutional holdings data.

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

Newer quarter: Q2 2016
Previous quarter: Q4 2015

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 $0.01 par value (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
FMR LLC	13F	Company	13%	1,113,673	$224,862,000	—	31 Dec 2015	13F
VANGUARD GROUP INC	13F	Company	7.6%	651,560	$131,556,000	—	31 Dec 2015	13F
TYBOURNE CAPITAL MANAGEMENT (HK) LTD	13F	Company	6.4%	552,695	$111,595,000	—	31 Dec 2015	13F
BlackRock Fund Advisors	13F	Company	5.4%	461,301	$93,141,000	—	31 Dec 2015	13F
Neuberger Berman Group LLC	13F	Company	5.2%	450,348	$90,930,000	—	31 Dec 2015	13F
BAMCO INC /NY/	13F	Company	4.3%	366,414	$73,983,000	—	31 Dec 2015	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	3.4%	294,610	$59,485,000	—	31 Dec 2015	13F
Fisher Asset Management, LLC	13F	Company	3.3%	287,191	$57,987,000	—	31 Dec 2015	13F
STATE STREET CORP	13F	Company	3.3%	281,306	$56,799,000	—	31 Dec 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	3%	259,487	$52,393,000	—	31 Dec 2015	13F
Gotham Asset Management, LLC	13F	Company	2.4%	210,617	$42,526,000	—	31 Dec 2015	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2.3%	194,307	$39,233,000	—	31 Dec 2015	13F
JPMORGAN CHASE & CO	13F	Company	2.2%	189,468	$38,255,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	2.1%	182,210	$36,792,000	—	31 Dec 2015	13F
Champlain Investment Partners, LLC	13F	Company	2%	173,688	$35,069,000	—	31 Dec 2015	13F
TimesSquare Capital Management, LLC	13F	Company	1.8%	154,111	$31,117,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	1.6%	140,466	$28,361,000	—	31 Dec 2015	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	1.5%	130,209	$26,290,000	—	31 Dec 2015	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	1.1%	98,408	$19,869,000	—	31 Dec 2015	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.1%	94,779	$19,137,000	—	31 Dec 2015	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.9%	77,565	$15,661,000	—	31 Dec 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.83%	71,477	$14,432,000	—	31 Dec 2015	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.82%	70,602	$14,255,000	—	31 Dec 2015	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.79%	68,236	$13,777,000	—	31 Dec 2015	13F
NORGES BANK	13F	Company	0.77%	66,105	$13,347,000	—	31 Dec 2015	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.68%	58,671	$11,846,000	—	31 Dec 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.68%	58,108	$11,731,000	—	31 Dec 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.62%	52,974	$10,696,000	—	31 Dec 2015	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.57%	49,116	$9,917,000	—	31 Dec 2015	13F
Apex Capital Management	13F	Company	0.54%	46,068	$9,302,000	—	31 Dec 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.49%	42,547	$8,591,000	—	31 Dec 2015	13F
State of New Jersey Common Pension Fund D	13F	Company	0.48%	41,500	$8,379,000	—	31 Dec 2015	13F
VONTOBEL ASSET MANAGEMENT INC	13F	Company	0.48%	41,300	$8,340,000	—	31 Dec 2015	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.48%	41,214	$8,322,000	—	31 Dec 2015	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.48%	41,199	$8,318,000	—	31 Dec 2015	13F
QUANTUM CAPITAL MANAGEMENT	13F	Company	0.48%	41,134	$8,306,000	—	31 Dec 2015	13F
EULAV Asset Management	13F	Company	0.45%	38,732	$7,820,000	—	31 Dec 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.43%	36,991	$7,469,000	—	31 Dec 2015	13F
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT	13F	Company	0.39%	33,953	$6,855,000	—	31 Dec 2015	13F
MORGAN STANLEY	13F	Company	0.37%	31,969	$6,455,000	—	31 Dec 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.36%	30,885	$6,234,000	—	31 Dec 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.35%	30,478	$6,152,000	—	31 Dec 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.35%	29,872	$6,032,000	—	31 Dec 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.34%	29,385	$5,933,000	—	31 Dec 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.31%	26,859	$5,423,000	—	31 Dec 2015	13F
GABELLI FUNDS LLC	13F	Company	0.31%	26,400	$5,330,000	—	31 Dec 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.3%	25,570	$5,163,000	—	31 Dec 2015	13F
TCW GROUP INC	13F	Company	0.3%	25,503	$5,150,000	—	31 Dec 2015	13F
ZACKS INVESTMENT MANAGEMENT	13F	Company	0.29%	24,946	$5,037,000	—	31 Dec 2015	13F
GAMCO INVESTORS, INC. ET AL	13F	Company	0.28%	24,033	$4,853,000	—	31 Dec 2015	13F

Institutional Holders of BOSTON BEER CO INC - Class A Common Stock $0.01 par value (SAM) as of Q1 2016

As of 31 Mar 2016, BOSTON BEER CO INC - Class A Common Stock $0.01 par value (SAM) was held by 202 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 8,667,576 shares. The largest 10 holders included FMR LLC, TYBOURNE CAPITAL MANAGEMENT HK LTD, VANGUARD GROUP INC, BlackRock Fund Advisors, Neuberger Berman Group LLC, Fisher Asset Management, LLC, AMERICAN CENTURY COMPANIES INC, Bank of New York Mellon Corp, STATE STREET CORP, and BlackRock Institutional Trust Company, N.A.. This page lists 202 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

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

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

216

Q1 2016 holders

202

Holder diff

-14

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 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.