Boston Beer Co. Inc. 13F holders
330 funds reported a position in Boston Beer Co. Inc. in their 13F for the quarter ended 30 June 2026, together 8.6 million shares worth $1.53 billion. Against the quarter before, 38 opened a position, 111 added, 113 trimmed and 82 sold out; together they bought a net 842,676 shares. The largest holders: BlackRock, Inc., Vanguard Portfolio Management LLC and AQR Capital Management LLC.
Funds holding330-40 on Q1 2026
Shares they held8.6Mworth $1.53 billion
Net bought on the quarter842,676 sharesabout $149.3 million at the funds' values
Funds buying to selling149 to 195opened or added, to cut or sold
Opened 38Added 111Held 64Trimmed 113Sold out 82
What each fund did in SAM against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in SAM in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 63 reported a position in Boston Beer Co. Inc.: 6 opened one, 18 added, 11 trimmed and 10 sold out, a net 6,372 shares bought.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 8 reported a position in Boston Beer Co. Inc. in a 13F for the quarter ended 30 June 2026. The largest: Millennium Management, 283,512 shares worth $50.2 million, 0.0% of its reported book. In the quarter, 6 funds added or opened a position and 2 trimmed or sold out; together they bought a net 165,295 shares, about $29.3 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Millennium Management | 283,512 | $50.2 million | 0.0% | +186,897 | added | 30 June 2026 | 13F |
| Geode Capital Management | 205,368 | $36.4 million | 0.0% | +63,255 | added | 30 June 2026 | 13F |
| Southeastern Asset Management | 146,043 | $25.9 million | 1.3% | +27,642 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 102,179 | $18.1 million | 0.0% | +8,400 | added | 30 June 2026 | 13F |
| FMR LLC | 60,625 | $10.7 million | 0.0% | -134,740 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 48,829 | $8.6 million | 0.0% | -4,385 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 18,630 | $3.3 million | 0.0% | +16,779 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 8,947 | $1.6 million | 0.0% | +1,447 | added | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 1,015,254 | 11.75% | $179.7 million | 0.00% | +245,004 | 13F |
| Vanguard Portfolio Management LLC | 609,360 | 7.05% | $107.9 million | 0.01% | -25,109 | 13F |
| AQR Capital Management LLC | 539,988 | 6.25% | $95.6 million | 0.03% | -111,996 | 13F |
| UBS Group AG | 434,656 | 5.03% | $76.9 million | 0.01% | +216,052 | 13F |
| American Century Companies Inc. | 385,326 | 4.46% | $68.2 million | 0.03% | +97,242 | 13F |
| Vanguard Capital Management LLC | 345,822 | 4.00% | $61.2 million | 0.00% | +4,919 | 13F |
| Arrowstreet Capital, Limited Partnership | 321,080 | 3.72% | $56.8 million | 0.03% | +75,831 | 13F |
| Dimensional Fund Advisors LP | 320,885 | 3.71% | $56.8 million | 0.01% | +47,273 | 13F |
| State Street Corp. | 314,732 | 3.64% | $55.8 million | 0.00% | +59,537 | 13F |
| Millennium Management LLC | 283,512 | 3.28% | $50.2 million | 0.04% | +186,897 | 13F |
| Global Alpha Capital Management Ltd. | 267,567 | 3.10% | $47.4 million | 2.84% | +120,042 | 13F |
| Geode Capital Management, LLC | 205,368 | 2.38% | $36.4 million | 0.00% | +63,255 | 13F |
| T. Rowe Price Investment Management, Inc. | 199,420 | 2.31% | $35.3 million | 0.02% | +120,872 | 13F |
| Southeastern Asset Management Inc. | 146,043 | 1.69% | $25.9 million | 1.35% | +27,642 | 13F |
| Southernsun Asset Management, LLC | 131,877 | 1.53% | $23.3 million | 3.14% | +57,061 | 13F |
| Goldman Sachs Group Inc. | 130,819 | 1.51% | $23.2 million | 0.00% | -14,141 | 13F |
| Charles Schwab Investment Management Inc. | 126,182 | 1.46% | $22.3 million | 0.00% | +19,201 | 13F |
| Neuberger Berman Group LLC | 117,548 | 1.36% | $20.9 million | 0.01% | new | 13F |
| Morgan Stanley | 104,302 | 1.21% | $18.5 million | 0.00% | -30,209 | 13F |
| Ameriprise Financial Inc. | 103,039 | 1.19% | $18.2 million | 0.00% | +11,510 | 13F |
| Quantinno Capital Management LP | 102,562 | 1.19% | $18.2 million | 0.02% | -128,025 | 13F |
| Renaissance Technologies LLC | 102,179 | 1.18% | $18.1 million | 0.03% | +8,400 | 13F |
| D. E. Shaw & Co., Inc. | 99,454 | 1.15% | $17.6 million | 0.01% | +52,847 | 13F |
| Northern Trust Corp. | 98,799 | 1.14% | $17.5 million | 0.00% | +19,807 | 13F |
| Trexquant Investment LP | 73,254 | 0.85% | $13.0 million | 0.08% | +43,466 | 13F |
| Calamos Advisors LLC | 65,364 | 0.76% | $11.6 million | 0.05% | -1,385 | 13F |
| Bank of New York Mellon Corp | 63,464 | 0.73% | $11.2 million | 0.00% | +6,469 | 13F |
| Bank of America Corp. | 63,070 | 0.73% | $11.2 million | 0.00% | +18,718 | 13F |
| Worldquant Millennium Advisors LLC | 62,666 | 0.73% | $11.1 million | 0.04% | new | 13F |
| Qube Research & Technologies Ltd | 62,634 | 0.72% | $11.1 million | 0.01% | -48,690 | 13F |
| FMR LLC | 60,625 | 0.70% | $10.7 million | 0.00% | -134,740 | 13F |
| Invesco Ltd. | 58,648 | 0.68% | $10.4 million | 0.00% | -56,964 | 13F |
| Loomis Sayles & Co. L P | 58,288 | 0.67% | $10.3 million | 0.01% | -5,193 | 13F |
| Vanguard Fiduciary Trust Co. | 52,748 | 0.61% | $9.3 million | 0.00% | +5,078 | 13F |
| Citadel Advisors LLC | 48,829 | 0.57% | $8.6 million | 0.01% | -4,385 | 13F |
| First Trust Advisors LP | 45,318 | 0.52% | $8.0 million | 0.01% | -6,357 | 13F |
| Prescott General Partners LLC | 45,000 | 0.52% | $8.0 million | 0.41% | no change | 13F |
| Marshall Wace, LLP | 42,474 | 0.49% | $7.5 million | 0.01% | -3,171 | 13F |
| Gabelli Funds LLC | 42,400 | 0.49% | $7.5 million | 0.05% | +16,000 | 13F |
| Pacer Advisors, Inc. | 38,203 | 0.44% | $6.8 million | 0.02% | +674 | 13F |
| JPMorgan Chase & Co. | 35,905 | 0.42% | $6.6 million | 0.00% | +2,052 | 13F |
| HRT Financial LP | 35,397 | 0.41% | $6.3 million | 0.01% | +16,323 | 13F |
| Capital Fund Management S.a. | 33,447 | 0.39% | $5.9 million | 0.04% | new | 13F |
| Winton Group Ltd | 33,018 | 0.38% | $5.8 million | 0.19% | +359 | 13F |
| Edgestream Partners, L.P. | 32,914 | 0.38% | $5.8 million | 0.17% | new | 13F |
| Franklin Resources Inc. | 32,567 | 0.38% | $5.8 million | 0.00% | -23,080 | 13F |
| Darwins River Capital, LP | 30,820 | 0.36% | $5.5 million | 2.99% | new | 13F |
| Tudor Investment Corp. Et Al | 30,517 | 0.35% | $5.4 million | 0.02% | new | 13F |
| Ing Groep NV | 29,300 | 0.34% | $5.2 million | 0.03% | new | 13F |
| Gamco Investors, Inc. Et Al | 28,352 | 0.33% | $5.0 million | 0.04% | +292 | 13F |
The 50 largest of the 330 funds that reported a position in SAM in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on SAM
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 36,700 | $6.5 million | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 18,400 | $3.3 million | 30 June 2026 | 13F |
| Two Sigma Investments | Puts | 3,200 | $566,496 | 30 June 2026 | 13F |
| Two Sigma Investments | Calls | 2,500 | $442,575 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 27 October 2026 | 13G/A | BlackRock, Inc. and 1 other | 1.1 million | 13.4% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 13 August 2026 | 13G/A | AQR Capital Management, LLC and 3 others | 539,988 | 6.5% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 22 July 2026 | 13G | Millennium Management LLC and 5 others | 411,413 | 4.9% | 16 July 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 8 July 2026 | 13G/A | BlackRock, Inc. and 1 other | 947,156 | 11.3% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 May 2026 | 13G/A | AQR Capital Management, LLC and 3 others | 651,984 | 7.8% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 May 2026 | 13G/A | FMR LLC and 3 others | 195,365 | 2.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 635,388 | 7.6% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 12 February 2026 | 13G/A | AQR Capital Management, LLC and 3 others | 440,224 | 5.1% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 11 February 2026 | 13G/A | C. James Koch and 1 other | 2.3 million | 21.6% | 31 December 2025 | passive, other (13d-1(d)) | EDGAR |
| 30 January 2026 | 13G/A | The Vanguard Group and 1 other | 1.0 million | 12.1% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G | AQR Capital Management, LLC and 3 others | 647,060 | 7.3% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 17 September 2026 | 758 | $170.25 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.