How many institutions held SAM - BOSTON BEER CO INC - Class A Common Stock, par value $0.01 per share in Q4 2023?

339 institutional investors reported SAM - BOSTON BEER CO INC - Class A Common Stock, par value $0.01 per share for Q4 2023. Use the holders table for investor-level position and value details.

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

Q: 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, par value $0.01 per share used to aggregate holder disclosures.

CUSIP: 100557107

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Class A Common Stock, par value $0.01 per share
Total 13F shares: 7,436,603
Total 13F value: $2,570,079,696
Share change: -382,998
Put/Call ratio: 130%
SEC-reported price per share: $345.59
Number of holders: 339
Value change: -$138,445,421
Number of buys: 134
Number of sells: 143
Shares outstanding: 8,396,184

Security key

100557107

Report period

Q4 2023

Institutions

339

Top holders

SAM full security history Ownership snapshot Full 13F holder table BOSTON BEER CO INC SEC filings BOSTON BEER CO INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of SAM - BOSTON BEER CO INC - Class A Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

15/15

Latest evidence

30 Sep 2023

13F Lead comparable stake: 18% Showing 1-6 of 15 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 18%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.

Comparable ownership Top 5

FMR LLC 18%

T. Rowe Price Investment Manageme... 11%

VANGUARD GROUP INC 11%

BlackRock Finance, Inc. 9.9%

STATE STREET CORP 3.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FMR LLC	13F Company 13F	18%	$581,730,782 1,493,417 shares	—	30 Sep 2023
T. Rowe Price Investment Management, Inc.	13F Company 13F	11%	$359,384,000 922,609 shares	—	30 Sep 2023
VANGUARD GROUP INC	13F Company 13F	11%	$349,580,582 897,442 shares	—	30 Sep 2023
BlackRock Finance, Inc.	13F Company 13F	9.9%	$324,211,663 832,315 shares	—	30 Sep 2023
STATE STREET CORP	13F Company 13F	3.1%	$102,265,648 262,536 shares	—	30 Sep 2023
BALYASNY ASSET MANAGEMENT L.P.	13F Company 13F	2.3%	$73,642,984 189,056 shares	—	30 Sep 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

339

7,436,603

Rows available

339

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

320

Q4 2023 holders

339

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 value	Q4 2023 value	Value change	Value Chg %