Security key
100557107
BOSTON BEER CO INC - Class A Common Stock. $0.01 par value (SAM)
CUSIP: 100557107
Q3 2021 13F Holders as of 30 Sep 2021
- Security type / class
- Equity / Class A Common Stock. $0.01 par value
- Total 13F shares
- 8,111,152
- Total 13F value
- $4,132,526,338
- Share change
- -817,306
- Put/Call ratio
- 136%
- SEC-reported price per share
- $509.75
- Number of holders
- 364
- Value change
- -$703,934,247
- Number of buys
- 172
- Number of sells
- 245
- Shares outstanding
- 8,380,257
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
364
Top holders
10
SAM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2021
Previous quarter: Q2 2021
BOSTON BEER CO INC SEC filings
BOSTON BEER CO INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 100557107
Recent filing periods:
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.
Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2021
13F
Lead comparable stake: 16%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 16%.
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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
16%
PRICE T ROWE ASSOCIATES INC /MD/
14%
VANGUARD GROUP INC
10%
Durable Capital Partners LP
6.8%
JPMORGAN CHASE & CO
4.7%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
16%
|
$1,334,343,000
1,307,152 shares
|
— | 30 Jun 2021 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
14%
|
$1,230,849,000
1,205,769 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
10%
|
$893,469,000
875,263 shares
|
— | 30 Jun 2021 |
| Durable Capital Partners LP |
13F
Company
|
6.8%
|
$582,849,000
570,973 shares
|
— | 30 Jun 2021 |
| JPMORGAN CHASE & CO |
13F
Company
|
4.7%
|
$399,696,000
391,552 shares
|
— | 30 Jun 2021 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
3.8%
|
$320,965,000
314,425 shares
|
— | 30 Jun 2021 |
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 Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
364
Shares
8,111,152
Rows available
364
| 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 Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
447
Q3 2021 holders
364
Holder diff
-83
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend