Grantham, Mayo, Van Otterloo & Co (GMO)
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Grantham, Mayo, Van Otterloo & Co (GMO)’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2023
Q4
Sell
-56,740
Closed -$14.6M 499
2023
Q3
$14.6M Sell
56,740
-42,707
-43% -$11M 0.07% 219
2023
Q2
$28.3M Sell
99,447
-41,055
-29% -$11.7M 0.13% 137
2023
Q1
$39.1M Buy
140,502
+5,400
+4% +$1.5M 0.2% 97
2022
Q4
$37.4M Sell
135,102
-5,698
-4% -$1.58M 0.2% 104
2022
Q3
$37.6M Sell
140,800
-400
-0.3% -$107K 0.22% 82
2022
Q2
$28.8M Buy
141,200
+13,700
+11% +$2.79M 0.16% 133
2022
Q1
$26.9M Buy
127,500
+28,400
+29% +$5.98M 0.13% 145
2021
Q4
$23.8M Buy
99,100
+5,700
+6% +$1.37M 0.11% 143
2021
Q3
$26.4M Buy
93,400
+14,400
+18% +$4.08M 0.13% 135
2021
Q2
$27.4M Buy
79,000
+6,400
+9% +$2.22M 0.14% 128
2021
Q1
$20.3M Buy
72,600
+13,924
+24% +$3.9M 0.11% 147
2020
Q4
$14.4M Buy
58,676
+42,740
+268% +$10.5M 0.09% 154
2020
Q3
$4.52M Hold
15,936
0.03% 251
2020
Q2
$4.26M Sell
15,936
-4,100
-20% -$1.1M 0.03% 266
2020
Q1
$6.34M Sell
20,036
-9,907
-33% -$3.13M 0.05% 204
2019
Q4
$8.89M Sell
29,943
-9,067
-23% -$2.69M 0.06% 200
2019
Q3
$9.08M Sell
39,010
-1,490
-4% -$347K 0.06% 199
2019
Q2
$9.47M Buy
40,500
+12,200
+43% +$2.85M 0.07% 196
2019
Q1
$6.69M Buy
28,300
+22,500
+388% +$5.32M 0.05% 225
2018
Q4
$1.75M Buy
5,800
+200
+4% +$60.2K 0.01% 295
2018
Q3
$1.98M Sell
5,600
-2,410
-30% -$852K 0.01% 304
2018
Q2
$2.33M Sell
8,010
-22,190
-73% -$6.44M 0.02% 279
2018
Q1
$8.27M Buy
30,200
+28,900
+2,223% +$7.91M 0.05% 161
2017
Q4
$414K Sell
1,300
-180
-12% -$57.3K ﹤0.01% 461
2017
Q3
$463K Sell
1,480
-23,004
-94% -$7.2M ﹤0.01% 399
2017
Q2
$6.64M Buy
24,484
+23,004
+1,554% +$6.24M 0.04% 193
2017
Q1
$405K Buy
+1,480
New +$405K ﹤0.01% 389
2016
Q2
Sell
-1,380
Closed -$359K 563
2016
Q1
$359K Sell
1,380
-96,954
-99% -$25.2M ﹤0.01% 492
2015
Q4
$30.1M Sell
98,334
-80,887
-45% -$24.8M 0.11% 135
2015
Q3
$52.3M Sell
179,221
-71,824
-29% -$21M 0.18% 103
2015
Q2
$101M Sell
251,045
-418,100
-62% -$169M 0.33% 66
2015
Q1
$283M Sell
669,145
-26,971
-4% -$11.4M 0.84% 26
2014
Q4
$236M Sell
696,116
-104,185
-13% -$35.4M 0.64% 38
2014
Q3
$265M Sell
800,301
-57,498
-7% -$19M 0.7% 34
2014
Q2
$270M Buy
857,799
+380,800
+80% +$120M 0.73% 36
2014
Q1
$146M Buy
476,999
+340,768
+250% +$104M 0.38% 55
2013
Q4
$38.1M Sell
136,231
-497
-0.4% -$139K 0.09% 109
2013
Q3
$32.9M Sell
136,728
-7,773
-5% -$1.87M 0.09% 101
2013
Q2
$31.1M Buy
+144,501
New +$31.1M 0.08% 98