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 Q3 2024?

329 institutional investors reported SAM - BOSTON BEER CO INC - Class A Common Stock. $0.01 par value for Q3 2024. 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

Q3 2024 13F Holders as of 30 Sep 2024

Security type / class: Equity / Class A Common Stock. $0.01 par value
Shares outstanding: 8,380,257
Total 13F shares: 7,044,086
Share change: -13,859
Total reported value: $2,035,067,255
Put/Call ratio: 107%
Reported price per share: $289.14
Number of holders: 329
Value change: -$7,410,475
Number of buys: 131
Number of sells: 163

Security key

100557107

Report period

Q3 2024

Institutions

329

Top holders

SAM full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2024 Previous quarter: Q2 2024 BOSTON BEER CO INC SEC filings BOSTON BEER CO INC company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP 100557107

Newer quarter: Q4 2024 Previous quarter: Q2 2024

Recent filing periods:

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

Ownership snapshot

Top reported holders 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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

T. Rowe Price Investment ...

13D/G signal

—

Evidence rows

Latest as of

30 Jun 2024

13F Lead comparable stake: 11% Showing 1-6 of 15 holder rows.

Rank 1 holder

T. Rowe Price Investment Management, Inc.

13F

Ownership: 11%
Position: $268.54M

13F

Rank 2 holder

BlackRock Finance, Inc.

13F

Ownership: 9.8%
Position: $249.72M

13F

Rank 3 holder

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
T. Rowe Price Investment Management, Inc.	13F Company 13F	11%	$268,543,000 880,324 shares	—	30 Jun 2024
BlackRock Finance, Inc.	13F Company 13F	9.8%	$249,715,150 818,604 shares	—	30 Jun 2024
VANGUARD GROUP INC	13F Company 13F	9.5%	$241,645,662 792,151 shares	—	30 Jun 2024
FMR LLC	13F Company 13F	8.4%	$215,809,664 707,457 shares	—	30 Jun 2024
STATE STREET CORP	13F Company 13F	3.2%	$82,780,503 271,367 shares	—	30 Jun 2024
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	2.2%	$55,814,462 182,972 shares	—	30 Jun 2024

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 Q3 2024

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

Institutions

329

7,044,086

Rows available

329

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* 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 failed the local validity check.

Compare Q3 2024 vs Q2 2024 Across Filers

Q2 2024 holders

323

Q3 2024 holders

329

Holder diff

Investor	Q2 2024 Shares	Q3 2024 Shares	Share Diff	Share Chg %	Q2 2024 value	Q3 2024 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend