The Boston Beer Company, Inc.
The Boston Beer Company, Inc. (SAM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SAM · as of Mar 31, 2025
Ownership Breakdown
345
Institutional Holders
▼ 12 vs Q4
$1.75B
Total Inst. Value
▼ $482.26M vs Q4
10.73M
Shares Outstanding
freeFloat 70.48%
7.58M
13F Shares Held
▲ 131,184 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SAM largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. malt beverages | 949.6K | 8.42% | 8.42% | $226.80B | May 2, 2025 | ▲ 177.0K |
VANGUARD GROUP INC malt beverages | 865.3K | 7.67% | 7.67% | $206.66B | May 9, 2025 | ▲ 15.6K |
FMR LLC malt beverages | 457.8K | 4.06% | 4.06% | $109.34B | May 12, 2025 | ▲ 9.4K |
NUVEEN, LLC malt beverages | 311.6K | 2.76% | 2.76% | $11.01B | May 12, 2025 | NEW |
STATE STREET CORP malt beverages | 293.3K | 2.60% | 2.60% | $70.05B | May 15, 2025 | ▼ 5.3K |
COOPER CREEK PARTNERS MANAGEMENT LLC malt beverages | 290.8K | 2.58% | 2.58% | $69.45B | May 15, 2025 | ▲ 207.3K |
DIMENSIONAL FUND ADVISORS LP malt beverages | 261.2K | 2.32% | 2.32% | $62.37B | May 13, 2025 | ▲ 35.4K |
FISHER ASSET MANAGEMENT, LLC malt beverages | 232.1K | 2.06% | 2.06% | $55.43B | May 14, 2025 | ▲ 71.7K |
POINT72 ASSET MANAGEMENT, L.P. malt beverages | 217.7K | 1.93% | 1.93% | $52.00B | Jul 21, 2025 | ▲ 160.9K |
ARMISTICE CAPITAL, LLC malt beverages | 210.6K | 1.87% | 1.87% | $50.29B | May 15, 2025 | ▲ 88.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
33
Increased
+1.29M shares2
New Positions
first time holders14
Decreased
−1.13M shares0
Sold Out
fully exitedNet shares change (top 50)
+164.4K
+1.29M / −1.13M
Net new holders
+21
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SAM insider trading · insider activity
Source: SEC Form 4
12
Buy transactions
2
Sell transactions
6.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Stone Christopher Isaac director | May 27, 2026 | Award | 358 | — | — | 1.4K | Form 4 ↗ |
Stone Christopher Isaac director | May 27, 2026 | Award | 691 | $181.63 | $125.5K | 691 | Form 4 ↗ |
JORDAN JOSEPH HUGH director | May 27, 2026 | Award | 358 | — | — | 1.4K | Form 4 ↗ |
JORDAN JOSEPH HUGH director | May 27, 2026 | Award | 691 | $181.63 | $125.5K | 691 | Form 4 ↗ |
Swanson Cynthia director | May 27, 2026 | Award | 358 | — | — | 1.3K | Form 4 ↗ |
Swanson Cynthia director | May 27, 2026 | Award | 691 | $181.63 | $125.5K | 691 | Form 4 ↗ |
Nemeth Julio N director | May 27, 2026 | Award | 358 | — | — | 1.1K | Form 4 ↗ |
Nemeth Julio N director | May 27, 2026 | Award | 691 | $181.63 | $125.5K | 691 | Form 4 ↗ |
Fisher Cynthia A director | May 27, 2026 | Award | 358 | — | — | 4.4K | Form 4 ↗ |
Fisher Cynthia A director | May 27, 2026 | Award | 691 | $181.63 | $125.5K | 691 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
The Boston Beer Company, Inc. (SAM) is primarily owned by institutional investors, who hold approximately 70.7% of total shares outstanding. Company insiders own approximately 29.52%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of The Boston Beer Company, Inc. is BLACKROCK, INC., holding approximately 949,579 shares — equal to 8.42% of outstanding shares — as of March 31, 2025.
A total of 345 institutional investors currently hold SAM stock, with a combined institutional value of approximately $1.75 billion as of the most recent 13F filing period.
Frequently asked questions
SAM ownershipThe Boston Beer Company, Inc. (SAM) is primarily owned by institutional investors, who hold approximately 70.7% of shares. The largest shareholder is BLACKROCK, INC. with a 8.42% stake. Company insiders hold 29.52%. Data sourced from SEC Form 13F as of March 31, 2025.