Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s Boston Beer SAM Stock Holding History

Robeco Institutional Asset Management’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
Q1 		$1.14M Buy
4,953
+377
+8% +$84.8K ﹤0.01% 727
2025
Q4 		$893K Buy
+4,576
New +$944K ﹤0.01% 739
2021
Q3 		– Sell
-249
Closed -$254K – 950
2021
Q2 		$254K Sell
249
-631
-72% -$708K ﹤0.01% 864
2021
Q1 		$1.06M Sell
880
-606
-41% -$636K ﹤0.01% 723
2020
Q4 		$1.48M Buy
+1,486
New +$1.43M ﹤0.01% 688
2020
Q1 		– Sell
-20,891
Closed -$7.89M – 997
2019
Q4 		$7.89M Sell
20,891
-14,581
-41% -$5.49M 0.03% 523
2019
Q3 		$12.9M Sell
35,472
-7,285
-17% -$2.86M 0.05% 404
2019
Q2 		$16.2M Sell
42,757
-535
-1% -$169K 0.06% 372
2019
Q1 		$12.8M Hold
43,292
– – 0.05% 424
2018
Q4 		$10.4M Sell
43,292
-319
-0.7% -$89.2K 0.05% 401
2018
Q3 		$12.5M Buy
43,611
+1,643
+4% +$493K 0.05% 393
2018
Q2 		$12.6M Buy
41,968
+3,314
+9% +$807K 0.06% 354
2018
Q1 		$7.31M Buy
38,654
+13,161
+52% +$2.42M 0.03% 460
2017
Q4 		$4.87M Buy
25,493
+4,494
+21% +$803K 0.03% 489
2017
Q3 		$3.28M Buy
+20,999
New +$3.07M 0.02% 509
2015
Q3 		– Sell
-80,000
Closed -$18.6M – 787
2015
Q2 		$18.6M Hold
80,000
– – 0.14% 192
2015
Q1 		$21.4M Buy
+80,000
New +$23.2M 0.16% 180

Other funds holding SAM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
QCM
Quantinno Capital Management New York $59.9B AUM 28.07% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Robeco Institutional Asset Management's SAM Position: Q1 2026 in Review

Robeco Institutional Asset Management increased its Boston Beer (SAM) stake by 8.2% in Q1 2026, buying an estimated $84.8K and bringing the position to 4,953 shares worth $1.14M. The position accounts for ﹤0.01% of the portfolio, ranked #727.

Robeco Institutional Asset Management first reported a position in SAM in Q1 2015 and has held it in 17 quarters since. The position peaked at $21.4M in Q1 2015. 366 funds tracked by Wall St. Rank hold SAM as of Q1 2026.

  • Robeco Institutional Asset Management held 4,953 shares of Boston Beer worth $1.14M as of Q1 2026.
  • Robeco Institutional Asset Management bought 377 Boston Beer shares in Q1 2026, an estimated $84.8K.
  • Boston Beer made up ﹤0.01% of Robeco Institutional Asset Management's portfolio in Q1 2026, its #727 holding.
  • Robeco Institutional Asset Management first reported a position in Boston Beer in Q1 2015 and has held it in 17 quarters since.
  • Robeco Institutional Asset Management's Boston Beer position peaked at $21.4M in Q1 2015.
  • 366 funds tracked by Wall St. Rank held Boston Beer as of Q1 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q1 2026, filed 21 Apr 2026.