Lee Ainslie's SAM Position Overview
Lee Ainslie (via Maverick Capital LTD) currently holds 5,234 shares of The Boston Beer Company, Inc. (SAM) worth $1.02 M, representing 0.01% of the portfolio. First purchased in 2018-Q4, this medium-term investment has been held for 18 quarters.
Based on 13F filings, Lee Ainslie has maintained a strategic position in SAM, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2019, adding 16,105 shares. Largest reduction occurred in Q1 2020, reducing 13,677 shares.
Analysis based on 13F filings available since 2013 Q2
Lee Ainslie's The Boston Beer Company (SAM) Holding Value Over Time
Track share changes against reported price movement
Quarterly The Boston Beer Company (SAM) Trades by Lee Ainslie
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -8,805 | Reduce 62.72% | 5,234 | $195.13 |
| Q3 2025 | +14,039 | New Buy | 14,039 | $211.42 |
| Q3 2023 | -6,862 | Sold Out | 0 | $0.00 |
| Q2 2023 | +491 | Add 7.71% | 6,862 | $308.44 |
| Q1 2023 | +5,480 | Add 615.04% | 6,371 | $328.70 |
| Q4 2022 | +891 | New Buy | 891 | $329.52 |
| Q3 2021 | -3,771 | Sold Out | 0 | $0.00 |
| Q2 2021 | +2,017 | Add 114.99% | 3,771 | $1020.68 |
| Q1 2021 | -1,040 | Reduce 37.22% | 1,754 | $1206.39 |
| Q4 2020 | -2,580 | Reduce 48.01% | 2,794 | $994.27 |
| Q3 2020 | -10,334 | Reduce 65.79% | 5,374 | $883.33 |
| Q2 2020 | -6,023 | Reduce 27.72% | 15,708 | $536.67 |
| Q1 2020 | -13,677 | Reduce 38.63% | 21,731 | $367.54 |
| Q4 2019 | +1,993 | Add 5.96% | 35,408 | $377.85 |
| Q3 2019 | +16,105 | Add 93.04% | 33,415 | $364.09 |
| Q2 2019 | +8,750 | Add 102.22% | 17,310 | $377.76 |
| Q1 2019 | +2,480 | Add 40.79% | 8,560 | $294.74 |
| Q4 2018 | +6,080 | New Buy | 6,080 | $240.79 |
Lee Ainslie's The Boston Beer Company Investment FAQs
Lee Ainslie first purchased The Boston Beer Company, Inc. (SAM) in Q4 2018, acquiring 6,080 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Lee Ainslie has held The Boston Beer Company, Inc. (SAM) for 18 quarters since Q4 2018.
Lee Ainslie's largest addition to The Boston Beer Company, Inc. (SAM) was in Q3 2019, adding 33,415 shares worth $12.17 M.
According to the latest 13F filing for Q4 2025, Lee Ainslie's firm, Maverick Capital LTD, owns 5,234 shares of The Boston Beer Company, Inc. (SAM), valued at approximately $1.02 M.
As of the Q4 2025 filing, The Boston Beer Company, Inc. (SAM) represents approximately 0.01% of Lee Ainslie's publicly disclosed stock portfolio, making it one of their key holdings.
Lee Ainslie's peak holding in The Boston Beer Company, Inc. (SAM) was 35,408 shares, as reported at the end of Q4 2019.