First Trust Advisors
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First Trust Advisors’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$110M Buy
873,823
+212,403
+32% +$26.7M 0.09% 276
2025
Q1
$90.5M Buy
661,420
+150,140
+29% +$20.5M 0.08% 304
2024
Q4
$78.2M Buy
511,280
+152,789
+43% +$23.4M 0.07% 362
2024
Q3
$69.5M Sell
358,491
-31,460
-8% -$6.1M 0.07% 359
2024
Q2
$90.4M Buy
389,951
+55,655
+17% +$12.9M 0.09% 238
2024
Q1
$72.1M Sell
334,296
-643,012
-66% -$139M 0.07% 328
2023
Q4
$253M Buy
977,308
+571,795
+141% +$148M 0.28% 84
2023
Q3
$104M Sell
405,513
-6,186
-2% -$1.59M 0.12% 204
2023
Q2
$117M Buy
411,699
+26,107
+7% +$7.44M 0.13% 188
2023
Q1
$107M Buy
385,592
+110,309
+40% +$30.7M 0.12% 207
2022
Q4
$76.2M Sell
275,283
-113,693
-29% -$31.5M 0.09% 333
2022
Q3
$104M Sell
388,976
-50,425
-11% -$13.5M 0.13% 189
2022
Q2
$89.6M Buy
439,401
+41,880
+11% +$8.54M 0.11% 251
2022
Q1
$83.7M Buy
397,521
+52,172
+15% +$11M 0.09% 313
2021
Q4
$82.9M Buy
345,349
+16,541
+5% +$3.97M 0.08% 306
2021
Q3
$93M Sell
328,808
-103,298
-24% -$29.2M 0.1% 253
2021
Q2
$150M Buy
432,106
+10,447
+2% +$3.62M 0.16% 154
2021
Q1
$118M Buy
421,659
+8,441
+2% +$2.36M 0.14% 180
2020
Q4
$101M Sell
413,218
-20,223
-5% -$4.95M 0.13% 188
2020
Q3
$123M Buy
433,441
+35,775
+9% +$10.1M 0.2% 123
2020
Q2
$106M Sell
397,666
-82,922
-17% -$22.2M 0.18% 128
2020
Q1
$152M Sell
480,588
-61,835
-11% -$19.6M 0.34% 43
2019
Q4
$161M Buy
542,423
+118,511
+28% +$35.2M 0.27% 59
2019
Q3
$98.7M Sell
423,912
-154,494
-27% -$36M 0.19% 115
2019
Q2
$135M Buy
578,406
+171,855
+42% +$40.2M 0.26% 65
2019
Q1
$96.1M Buy
406,551
+24,735
+6% +$5.85M 0.19% 129
2018
Q4
$115M Buy
381,816
+40,357
+12% +$12.1M 0.27% 59
2018
Q3
$121M Buy
341,459
+85,505
+33% +$30.2M 0.22% 85
2018
Q2
$74.3M Buy
255,954
+20,608
+9% +$5.98M 0.15% 134
2018
Q1
$64.4M Buy
235,346
+26,001
+12% +$7.12M 0.15% 132
2017
Q4
$66.7M Sell
209,345
-12,815
-6% -$4.08M 0.16% 122
2017
Q3
$69.6M Buy
222,160
+75,195
+51% +$23.5M 0.18% 118
2017
Q2
$39.9M Sell
146,965
-13,096
-8% -$3.55M 0.11% 220
2017
Q1
$43.8M Sell
160,061
-39,000
-20% -$10.7M 0.12% 173
2016
Q4
$56.5M Buy
199,061
+72,833
+58% +$20.7M 0.17% 114
2016
Q3
$39.5M Sell
126,228
-7,888
-6% -$2.47M 0.12% 189
2016
Q2
$32.4M Sell
134,116
-3,029
-2% -$732K 0.1% 230
2016
Q1
$35.7M Sell
137,145
-271,686
-66% -$70.7M 0.11% 205
2015
Q4
$125M Sell
408,831
-49,469
-11% -$15.2M 0.33% 53
2015
Q3
$134M Sell
458,300
-50,433
-10% -$14.7M 0.39% 32
2015
Q2
$205M Buy
508,733
+166,858
+49% +$67.4M 0.53% 16
2015
Q1
$144M Sell
341,875
-41,881
-11% -$17.7M 0.42% 31
2014
Q4
$130M Buy
383,756
+19,583
+5% +$6.65M 0.44% 17
2014
Q3
$120M Buy
364,173
+10,672
+3% +$3.53M 0.47% 13
2014
Q2
$111M Buy
353,501
+2,622
+0.7% +$827K 0.46% 11
2014
Q1
$107M Buy
350,879
+83,087
+31% +$25.4M 0.47% 14
2013
Q4
$74.9M Sell
267,792
-23,575
-8% -$6.59M 0.36% 25
2013
Q3
$70.2M Buy
291,367
+50,000
+21% +$12M 0.38% 29
2013
Q2
$51.9M Buy
+241,367
New +$51.9M 0.34% 34