Latest Period
Q1 2026
Security Snapshot
BOSTON BEER INC - CL A Institutional Ownership
CUSIP: 100557107
13F Institutional Holders and Ownership History from Q4 2023 to Q1 2026
Institutions Reporting
19
Shares (Excl. Options)
122,234
Price
$230.40
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- Security type / class
- Equity / CL A
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 122,234
- Total 13F value
- $27,624,521
- Share change
- 0
- Number of holders
- 19
- SEC-reported price per share
- $230.40
Latest holder snapshot
2 signals
Issuer context
Names, identifiers, and filing context for this profile.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- 100557107 - BOSTON BEER INC - CL A is tracked under CUSIP 100557107.
- 19 institutions reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 5 to 19 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $295,478,724 to $27,624,521.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 19 institutions filings for Q1 2026.
Security key
100557107
Latest holder period
Q1 2026
13F holders
19
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 100557107:
As of 31 Mar 2026, 19 institutional investors reported holding 122,234 shares of BOSTON BEER INC - CL A.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
6
Latest
Q1 2026
Rows shown
1-6 of 6
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 122,234 | $27,624,521 | $230.40 | 19 | |
| 2025 Q4 | 1,514,266 | $295,478,724 | +$47,791,825 | $195.13 | 5 |
| 2024 Q3 | 292,643 | $84,614,797 | +$6,151,743 | $289.14 | 1 |
| 2024 Q2 | 1,089,971 | $332,495,653 | -$7,826,668 | $305.05 | 2 |
| 2024 Q1 | 1,115,628 | $339,619,475 | +$5,464,644 | $304.42 | 2 |
| 2023 Q4 | 1,097,677 | $379,346,188 | $345.59 | 2 |