Sumitomo Mitsui Trust Group
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Sumitomo Mitsui Trust Group’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$52.1M Sell
414,830
-2,130
-0.5% -$268K 0.03% 442
2025
Q1
$57.1M Buy
416,960
+25,464
+7% +$3.48M 0.04% 406
2024
Q4
$59.9M Buy
391,496
+21,368
+6% +$3.27M 0.04% 405
2024
Q3
$71.7M Buy
370,128
+9,254
+3% +$1.79M 0.05% 369
2024
Q2
$83.7M Sell
360,874
-25,608
-7% -$5.94M 0.06% 303
2024
Q1
$83.3M Buy
386,482
+3,380
+0.9% +$729K 0.06% 347
2023
Q4
$99.1M Buy
383,102
+4,593
+1% +$1.19M 0.07% 287
2023
Q3
$97.3M Sell
378,509
-1,732
-0.5% -$445K 0.08% 263
2023
Q2
$108M Sell
380,241
-61,256
-14% -$17.4M 0.08% 252
2023
Q1
$123M Sell
441,497
-78,298
-15% -$21.8M 0.09% 244
2022
Q4
$144M Sell
519,795
-49,590
-9% -$13.7M 0.11% 207
2022
Q3
$152M Sell
569,385
-79,105
-12% -$21.1M 0.12% 184
2022
Q2
$132M Buy
648,490
+117,090
+22% +$23.9M 0.1% 231
2022
Q1
$112M Sell
531,400
-20,601
-4% -$4.34M 0.07% 308
2021
Q4
$132M Buy
552,001
+86,382
+19% +$20.7M 0.08% 267
2021
Q3
$132M Sell
465,619
-29,106
-6% -$8.24M 0.08% 265
2021
Q2
$171M Sell
494,725
-37,667
-7% -$13M 0.1% 223
2021
Q1
$149M Sell
532,392
-69,879
-12% -$19.5M 0.09% 237
2020
Q4
$147M Sell
602,271
-71,807
-11% -$17.6M 0.1% 232
2020
Q3
$191M Sell
674,078
-89,450
-12% -$25.4M 0.13% 178
2020
Q2
$204M Sell
763,528
-34,069
-4% -$9.12M 0.14% 153
2020
Q1
$252M Buy
797,597
+38,137
+5% +$12.1M 0.22% 105
2019
Q4
$225M Sell
759,460
-92,114
-11% -$27.3M 0.18% 123
2019
Q3
$198M Buy
851,574
+63,938
+8% +$14.9M 0.17% 130
2019
Q2
$184M Sell
787,636
-2,977
-0.4% -$696K 0.16% 135
2019
Q1
$187M Buy
790,613
+8,048
+1% +$1.9M 0.17% 133
2018
Q4
$230M Buy
782,565
+101,920
+15% +$29.9M 0.25% 90
2018
Q3
$240M Buy
680,645
+13,192
+2% +$4.66M 0.26% 84
2018
Q2
$194M Buy
667,453
+22,858
+4% +$6.63M 0.23% 98
2018
Q1
$177M Buy
644,595
+27,134
+4% +$7.43M 0.23% 100
2017
Q4
$197M Buy
617,461
+7,005
+1% +$2.23M 0.25% 86
2017
Q3
$191M Sell
610,456
-11,974
-2% -$3.75M 0.27% 84
2017
Q2
$169M Buy
622,430
+10,203
+2% +$2.77M 0.25% 93
2017
Q1
$167M Buy
612,227
+537
+0.1% +$147K 0.26% 88
2016
Q4
$173M Sell
611,690
-9,940
-2% -$2.82M 0.28% 79
2016
Q3
$195M Buy
621,630
+1,074
+0.2% +$336K 0.32% 65
2016
Q2
$150M Sell
620,556
-56,946
-8% -$13.8M 0.26% 84
2016
Q1
$176M Sell
677,502
-38,588
-5% -$10M 0.31% 70
2015
Q4
$221M Sell
716,090
-1,174
-0.2% -$362K 0.39% 53
2015
Q3
$209M Buy
717,264
+105,707
+17% +$30.8M 0.41% 52
2015
Q2
$247M Sell
611,557
-3,234
-0.5% -$1.31M 0.44% 47
2015
Q1
$260M Buy
614,791
+24,383
+4% +$10.3M 0.47% 44
2014
Q4
$202M Sell
590,408
-4,325
-0.7% -$1.48M 0.39% 56
2014
Q3
$197M Buy
594,733
+24,462
+4% +$8.09M 0.39% 55
2014
Q2
$180M Sell
570,271
-16,294
-3% -$5.14M 0.37% 60
2014
Q1
$179M Sell
586,565
-17,559
-3% -$5.37M 0.38% 59
2013
Q4
$169M Sell
604,124
-31,442
-5% -$8.79M 0.35% 64
2013
Q3
$153M Sell
635,566
-818
-0.1% -$197K 0.33% 69
2013
Q2
$137M Buy
+636,384
New +$137M 0.31% 72