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Mason Hawkins’s Boston Beer SAM Stock Holding History

Mason Hawkins’s Portfolio SAM Stock Details SAM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$25.9M Buy
146,043
+27,642
+23% +$5.61M 1.35% 24
2026
Q1 		$27.3M Sell
118,401
-29,596
-20% -$6.66M 1.34% 26
2025
Q4 		$28.9M Buy
147,997
+38,759
+35% +$7.99M 1.29% 27
2025
Q3 		$23.1M Buy
109,238
+2,921
+3% +$621K 1.18% 30
2025
Q2 		$20.3M Hold
106,317
– – 1.02% 33
2025
Q1 		$25.4M Hold
106,317
– – 1.35% 28
2024
Q4 		$31.9M Hold
106,317
– – 1.51% 25
2024
Q3 		$30.7M Hold
106,317
– – 1.45% 26
2024
Q2 		$32.4M Hold
106,317
– – 1.41% 28
2024
Q1 		$32.4M Hold
106,317
– – 1.24% 31
2023
Q4 		$36.7M Hold
106,317
– – 1.41% 29
2023
Q3 		$41.4M Sell
106,317
-20,957
-16% -$7.34M 1.53% 23
2023
Q2 		$39.3M Buy
127,274
+18,724
+17% +$6.02M 1.38% 27
2023
Q1 		$35.7M Buy
+108,550
New +$37.3M 1.21% 28

Other funds holding SAM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Mason Hawkins's SAM Position: Q2 2026 in Review

Mason Hawkins increased its Boston Beer (SAM) stake by 23% in Q2 2026, buying an estimated $5.61M and bringing the position to 146,043 shares worth $25.9M. The position accounts for 1.35% of the portfolio, ranked #24.

Mason Hawkins first reported a position in SAM in Q1 2023 and has held it in 14 quarters since. The position peaked at $41.4M in Q3 2023. 329 funds tracked by Wall St. Rank hold SAM as of Q2 2026.

  • Mason Hawkins held 146,043 shares of Boston Beer worth $25.9M as of Q2 2026.
  • Mason Hawkins bought 27,642 Boston Beer shares in Q2 2026, an estimated $5.61M.
  • Boston Beer made up 1.35% of Mason Hawkins's portfolio in Q2 2026, its #24 holding.
  • Mason Hawkins first reported a position in Boston Beer in Q1 2023 and has held it in 14 quarters since.
  • Mason Hawkins's Boston Beer position peaked at $41.4M in Q3 2023.
  • 329 funds tracked by Wall St. Rank held Boston Beer as of Q2 2026.

Based on Southeastern Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.