Boston Beer Company (SAM)
NYSE: SAM · Malt Beverages · Boston, MA · filing with the SEC since 1996
Grade6.3
◀ Past 7.4● Present 5.7▶ Future 6.1
Who owns Boston Beer Company
As filed with the SECHolders of 5% or more
4
C. James Koch holds 21.6% of Class A Common Stock, as its SCHEDULE 13G/A filed Feb 11, 2026 says.
Directors and officers
18
report now, of 37 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
C. James Koch
SCHEDULE 13G/A · filed Feb 11, 2026 · Class A Common Stock · 20% in Feb 7, 2025
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 27, 2026 · Class A Stock · 11.3% in Jul 8, 2026
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
AQR Capital Management, LLC
SCHEDULE 13G/A · filed Aug 13, 2026 · Class A Common Stock, $0.01 par value · 7.78% in May 14, 2026
Millennium Management LLC
SCHEDULE 13G · filed Jul 22, 2026 · Class A Common Stock, par value $0.01 per share · reported falling below 5%
Fmr LLC
SCHEDULE 13G/A · filed May 6, 2026 · CLASS A COMMON STOCK · reported falling below 5%
T. Rowe Price Investment Management, Inc.
SCHEDULE 13G/A · filed May 14, 2025 · COMMON STOCK · reported falling below 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 12.1% in Jan 30, 2026
What SAM reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Angel City
A company bought · acquisition · owns, named in the 10-K filed Feb 24, 2026
Coney Island
A company bought · acquisition · owns, named in the 10-K filed Feb 24, 2026
Dogfish Head
A company bought · acquisition · owns, named in the 10-K filed Feb 24, 2026
17 subsidiaries in 2 countries, from the list filed with the 10-K filed Feb 24, 2026.
Insider tradesForm 4
2sales
0purchases
0sales on a scheduled plan
1people selling
$600,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 2, 2025 to Nov 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Nov 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 41 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Spillane Michael | President and CEO | 2 | $600,000 | 0 | 0 | $0 |