Morgan Stanley
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Morgan Stanley’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$246M Sell
1,956,210
-34,458
-2% -$4.33M 0.02% 772
2025
Q1
$272M Buy
1,990,668
+208,312
+12% +$28.5M 0.02% 699
2024
Q4
$273M Sell
1,782,356
-104,890
-6% -$16M 0.02% 701
2024
Q3
$366M Buy
1,887,246
+280,738
+17% +$54.4M 0.03% 585
2024
Q2
$372M Sell
1,606,508
-94,875
-6% -$22M 0.03% 555
2024
Q1
$367M Sell
1,701,383
-1,454,171
-46% -$314M 0.03% 556
2023
Q4
$817M Buy
3,155,554
+1,662,441
+111% +$430M 0.04% 475
2023
Q3
$384M Buy
1,493,113
+61,814
+4% +$15.9M 0.04% 455
2023
Q2
$408M Buy
1,431,299
+125,448
+10% +$35.7M 0.04% 431
2023
Q1
$363M Sell
1,305,851
-116,965
-8% -$32.5M 0.04% 468
2022
Q4
$394M Buy
1,422,816
+180,012
+14% +$49.8M 0.04% 418
2022
Q3
$332M Sell
1,242,804
-134,131
-10% -$35.8M 0.05% 402
2022
Q2
$281M Buy
1,376,935
+421,106
+44% +$85.9M 0.04% 473
2022
Q1
$201M Buy
955,829
+175,349
+22% +$36.9M 0.03% 529
2021
Q4
$187M Buy
780,480
+26,765
+4% +$6.42M 0.02% 597
2021
Q3
$213M Buy
753,715
+51,540
+7% +$14.6M 0.03% 509
2021
Q2
$243M Buy
702,175
+84,388
+14% +$29.2M 0.03% 477
2021
Q1
$173M Sell
617,787
-159,716
-21% -$44.7M 0.03% 533
2020
Q4
$190M Buy
777,503
+84,106
+12% +$20.6M 0.03% 490
2020
Q3
$197M Buy
693,397
+316,681
+84% +$89.8M 0.04% 390
2020
Q2
$101M Buy
376,716
+4,803
+1% +$1.29M 0.02% 554
2020
Q1
$118M Sell
371,913
-54,303
-13% -$17.2M 0.03% 449
2019
Q4
$126M Sell
426,216
-235,934
-36% -$70M 0.03% 518
2019
Q3
$154M Buy
662,150
+163,935
+33% +$38.2M 0.04% 418
2019
Q2
$117M Sell
498,215
-465,448
-48% -$109M 0.03% 514
2019
Q1
$228M Sell
963,663
-49,083
-5% -$11.6M 0.06% 300
2018
Q4
$305M Buy
1,012,746
+36,241
+4% +$10.9M 0.09% 224
2018
Q3
$345M Sell
976,505
-774,604
-44% -$274M 0.09% 233
2018
Q2
$508M Buy
1,751,109
+664,096
+61% +$193M 0.14% 151
2018
Q1
$298M Sell
1,087,013
-8,734
-0.8% -$2.39M 0.08% 246
2017
Q4
$349M Sell
1,095,747
-2,203
-0.2% -$702K 0.1% 219
2017
Q3
$344M Buy
1,097,950
+18,673
+2% +$5.85M 0.1% 206
2017
Q2
$293M Buy
1,079,277
+115,497
+12% +$31.3M 0.09% 253
2017
Q1
$264M Sell
963,780
-2,920
-0.3% -$798K 0.08% 260
2016
Q4
$274M Sell
966,700
-49,494
-5% -$14M 0.09% 241
2016
Q3
$318M Buy
1,016,194
+17,831
+2% +$5.58M 0.11% 198
2016
Q2
$241M Sell
998,363
-79,069
-7% -$19.1M 0.09% 249
2016
Q1
$280M Sell
1,077,432
-161,512
-13% -$42M 0.11% 207
2015
Q4
$380M Sell
1,238,944
-87,470
-7% -$26.8M 0.14% 168
2015
Q3
$387M Buy
1,326,414
+29,764
+2% +$8.69M 0.14% 162
2015
Q2
$524M Sell
1,296,650
-21,265
-2% -$8.59M 0.18% 134
2015
Q1
$556M Sell
1,317,915
-250,581
-16% -$106M 0.2% 119
2014
Q4
$532M Buy
1,568,496
+309,905
+25% +$105M 0.19% 119
2014
Q3
$416M Buy
1,258,591
+321,800
+34% +$106M 0.16% 145
2014
Q2
$295M Buy
936,791
+138,529
+17% +$43.7M 0.12% 205
2014
Q1
$244M Sell
798,262
-3,641
-0.5% -$1.11M 0.1% 230
2013
Q4
$224M Buy
801,903
+390,349
+95% +$109M 0.1% 237
2013
Q3
$99.1M Sell
411,554
-168,202
-29% -$40.5M 0.05% 417
2013
Q2
$125M Buy
+579,756
New +$125M 0.06% 346