| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| KOCH C JAMES | 22% | +8.2% | $443,232,331 | 2,271,472 | 0% | C. James Koch | 31 Dec 2025 | |
| VANGUARD GROUP INC | 12% | +20% | $202,775,974 | +$24,732,923 | 1,039,184 | +14% | The Vanguard Group | 31 Dec 2025 |
| AQR CAPITAL MANAGEMENT LLC | 5.1% | -32% | $85,900,909 | -$40,359,909 | 440,224 | -32% | AQR Capital Management, LLC | 31 Dec 2025 |
| T. Rowe Price Investment Management, Inc. | 0.6% | $12,546,221 | 52,713 | T. Rowe Price Investment Management, Inc. | 31 Mar 2025 |
As of 31 Dec 2025, 338 institutional investors reported holding 7,546,293 shares of BOSTON BEER CO INC - Class A Common Stock $0.01 par value (SAM). This represents 88% of the company’s total 8,598,125 outstanding shares.
The largest institutional shareholders of BOSTON BEER CO INC - Class A Common Stock $0.01 par value (SAM) together control 65% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 12% | 1,039,184 | +9.4% | 0% | $202,775,973 |
| BlackRock, Inc. | 8.4% | 725,529 | -7.3% | 0% | $141,572,507 |
| AQR CAPITAL MANAGEMENT LLC | 5.1% | 440,224 | -32% | 0.05% | $85,900,909 |
| FMR LLC | 4.2% | 360,875 | -7.4% | 0% | $70,417,529 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3.2% | 271,516 | +5.1% | 0.03% | $52,980,917 |
| DIMENSIONAL FUND ADVISORS LP | 3% | 258,001 | -2.9% | 0.01% | $50,343,735 |
| STATE STREET CORP | 3% | 254,297 | -3.4% | 0% | $49,620,974 |
| Gotham Asset Management, LLC | 2.9% | 248,910 | +17% | 0.18% | $48,569,808 |
| UBS Group AG | 2.5% | 216,634 | -3.1% | 0.01% | $42,271,793 |
| AMERICAN CENTURY COMPANIES INC | 2.2% | 191,605 | +56% | 0.02% | $37,387,884 |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | 1.7% | 147,997 | +35% | 1.3% | $28,878,655 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.6% | 139,198 | -2.9% | 0% | $27,168,318 |
| CITADEL ADVISORS LLC | 1.5% | 132,943 | +12097% | 0.02% | $25,941,168 |
| Qube Research & Technologies Ltd | 1.5% | 132,862 | +139% | 0.04% | $25,925,362 |
| Global Alpha Capital Management Ltd. | 1.4% | 123,028 | -6.2% | 1.5% | $24,006,454 |
| Invesco Ltd. | 1.4% | 117,112 | +1.9% | 0% | $22,852,065 |
| MORGAN STANLEY | 1.3% | 114,300 | -51% | 0% | $22,303,642 |
| Woodson Capital Management, LP | 1.2% | 100,000 | 3% | $19,513,000 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1% | 98,826 | +3% | 0% | $19,283,917 |
| AMERIPRISE FINANCIAL INC | 1.1% | 90,903 | -1.1% | 0% | $17,737,903 |
| Quantinno Capital Management LP | 1.1% | 90,340 | -34% | 0.04% | $17,628,044 |
| RENAISSANCE TECHNOLOGIES LLC | 0.96% | 82,679 | -5.1% | 0.03% | $16,133,153 |
| SOUTHERNSUN ASSET MANAGEMENT, LLC | 0.88% | 75,524 | -16% | 2.1% | $14,736,998 |
| NORTHERN TRUST CORP | 0.87% | 74,891 | -0.37% | 0% | $14,613,480 |
| Man Group plc | 0.83% | 71,345 | +136% | 0.03% | $13,921,550 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 7,546,293 | $1,472,776,226 | -$75,880,306 | $195.13 | 338 |
| 2025 Q3 | 7,893,029 | $1,668,892,755 | +$56,963,734 | $211.42 | 352 |
| 2025 Q2 | 7,648,265 | $1,459,088,741 | +$69,350,793 | $190.81 | 341 |
| 2025 Q1 | 7,275,869 | $1,739,710,483 | -$37,297,176 | $238.84 | 324 |
| 2024 Q4 | 7,429,474 | $2,227,681,266 | +$92,718,723 | $299.98 | 341 |
| 2024 Q3 | 7,044,086 | $2,035,067,255 | -$7,410,475 | $289.14 | 329 |
| 2024 Q2 | 7,108,479 | $2,168,100,423 | -$53,273,624 | $305.05 | 323 |
| 2024 Q1 | 7,284,371 | $2,217,740,672 | -$53,693,867 | $304.42 | 323 |
| 2023 Q4 | 7,436,603 | $2,570,079,696 | -$138,445,421 | $345.59 | 339 |
| 2023 Q3 | 7,799,274 | $3,037,143,867 | -$10,653,737 | $389.53 | 320 |
| 2023 Q2 | 7,878,594 | $2,430,459,743 | -$72,583,499 | $308.44 | 294 |
| 2023 Q1 | 8,092,445 | $2,657,921,932 | -$17,522,435 | $328.70 | 299 |
| 2022 Q4 | 8,157,780 | $2,688,455,498 | -$109,303,435 | $329.52 | 312 |
| 2022 Q3 | 8,491,748 | $2,749,338,389 | -$460,974,221 | $323.65 | 284 |
| 2022 Q2 | 8,554,352 | $2,592,267,940 | +$254,886,937 | $302.97 | 291 |
| 2022 Q1 | 7,686,515 | $2,986,020,745 | -$50,585,432 | $388.47 | 305 |
| 2021 Q4 | 7,638,758 | $3,859,212,549 | -$256,686,477 | $505.10 | 373 |
| 2021 Q3 | 8,111,152 | $4,132,526,338 | -$703,934,247 | $509.75 | 364 |
| 2021 Q2 | 8,888,321 | $9,067,812,842 | +$55,724,383 | $1020.79 | 447 |
| 2021 Q1 | 8,790,285 | $10,602,896,052 | +$268,908,755 | $1206.28 | 411 |
| 2020 Q4 | 8,626,917 | $8,576,522,779 | +$152,267,931 | $994.30 | 399 |
| 2020 Q3 | 8,503,985 | $7,510,617,499 | -$119,414,726 | $883.36 | 367 |
| 2020 Q2 | 8,731,242 | $4,686,423,081 | -$41,916,879 | $536.65 | 318 |
| 2020 Q1 | 8,854,394 | $3,253,540,850 | +$22,301,869 | $367.56 | 275 |
| 2019 Q4 | 8,794,324 | $3,322,750,447 | -$64,042,682 | $377.85 | 292 |
| 2019 Q3 | 8,926,331 | $3,248,546,552 | +$51,529,937 | $364.07 | 297 |
| 2019 Q2 | 8,798,392 | $3,320,807,266 | +$81,568,143 | $377.76 | 266 |
| 2019 Q1 | 8,735,283 | $2,571,810,182 | +$46,041,899 | $294.73 | 261 |
| 2018 Q4 | 8,603,996 | $2,070,733,056 | -$10,825,012 | $240.84 | 249 |
| 2018 Q3 | 8,630,065 | $2,479,770,203 | +$49,262,822 | $287.50 | 245 |
| 2018 Q2 | 8,450,128 | $2,531,208,217 | -$28,117,484 | $299.70 | 248 |
| 2018 Q1 | 8,697,278 | $1,644,305,774 | +$22,212,586 | $189.05 | 243 |
| 2017 Q4 | 8,662,785 | $1,655,141,828 | -$43,295,615 | $191.10 | 260 |
| 2017 Q3 | 8,927,640 | $1,395,193,693 | +$45,684,232 | $156.20 | 232 |
| 2017 Q2 | 8,672,879 | $1,146,172,457 | -$27,898,684 | $132.15 | 217 |
| 2017 Q1 | 9,011,479 | $1,305,369,937 | +$140,452,898 | $144.65 | 229 |
| 2016 Q4 | 8,840,369 | $1,501,500,484 | +$76,963,648 | $169.85 | 223 |
| 2016 Q3 | 8,375,492 | $1,299,977,578 | +$26,540,627 | $155.26 | 206 |
| 2016 Q2 | 8,183,792 | $1,399,580,362 | -$79,349,455 | $171.03 | 196 |
| 2016 Q1 | 8,667,576 | $1,602,175,573 | +$40,242,925 | $185.07 | 202 |
| 2015 Q4 | 8,439,366 | $1,703,857,298 | -$29,116,142 | $201.91 | 216 |
| 2015 Q3 | 8,577,059 | $1,806,549,472 | -$16,511,691 | $210.61 | 216 |
| 2015 Q2 | 8,608,341 | $1,996,933,514 | -$22,683,268 | $231.99 | 215 |
| 2015 Q1 | 8,641,621 | $2,310,909,462 | +$138,841,497 | $267.40 | 228 |
| 2014 Q4 | 8,111,413 | $2,348,672,618 | +$61,059,827 | $289.54 | 202 |
| 2014 Q3 | 7,743,213 | $1,717,127,940 | +$7,202,249 | $221.76 | 185 |
| 2014 Q2 | 7,725,802 | $1,726,932,828 | +$17,381,439 | $223.52 | 174 |
| 2014 Q1 | 7,738,061 | $1,893,620,600 | +$89,746,913 | $244.73 | 179 |