Geode Capital Management’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$490M Buy
3,918,150
+71,286
+2% +$8.92M 0.03% 416
2025
Q1
$525M Buy
3,846,864
+151,388
+4% +$20.7M 0.04% 379
2024
Q4
$564M Buy
3,695,476
+82,456
+2% +$12.6M 0.04% 356
2024
Q3
$698M Buy
3,613,020
+47,055
+1% +$9.09M 0.06% 300
2024
Q2
$825M Buy
3,565,965
+156,291
+5% +$36.1M 0.07% 244
2024
Q1
$733M Buy
3,409,674
+100,357
+3% +$21.6M 0.07% 271
2023
Q4
$854M Buy
3,309,317
+72,430
+2% +$18.7M 0.09% 208
2023
Q3
$830M Buy
3,236,887
+53,208
+2% +$13.6M 0.1% 189
2023
Q2
$905M Buy
3,183,679
+80,944
+3% +$23M 0.11% 169
2023
Q1
$861M Sell
3,102,735
-239,595
-7% -$66.5M 0.11% 172
2022
Q4
$924M Buy
3,342,330
+42,855
+1% +$11.8M 0.13% 148
2022
Q3
$880M Buy
3,299,475
+53,952
+2% +$14.4M 0.13% 138
2022
Q2
$661M Buy
3,245,523
+438,859
+16% +$89.4M 0.1% 200
2022
Q1
$590M Buy
2,806,664
+61,333
+2% +$12.9M 0.07% 264
2021
Q4
$657M Sell
2,745,331
-29,935
-1% -$7.16M 0.08% 243
2021
Q3
$783M Sell
2,775,266
-118,484
-4% -$33.4M 0.11% 167
2021
Q2
$1B Buy
2,893,750
+97,239
+3% +$33.6M 0.14% 126
2021
Q1
$781M Buy
2,796,511
+37,013
+1% +$10.3M 0.12% 147
2020
Q4
$674M Sell
2,759,498
-130,480
-5% -$31.9M 0.11% 154
2020
Q3
$819M Sell
2,889,978
-149,428
-5% -$42.3M 0.16% 115
2020
Q2
$812M Sell
3,039,406
-332,888
-10% -$88.9M 0.17% 113
2020
Q1
$1.07B Buy
3,372,294
+69,657
+2% +$22M 0.28% 68
2019
Q4
$978M Sell
3,302,637
-32,915
-1% -$9.75M 0.2% 94
2019
Q3
$776M Buy
3,335,552
+48,970
+1% +$11.4M 0.18% 106
2019
Q2
$768M Buy
3,286,582
+243,391
+8% +$56.8M 0.19% 102
2019
Q1
$718M Buy
3,043,191
+329,614
+12% +$77.8M 0.19% 98
2018
Q4
$815M Buy
2,713,577
+144,464
+6% +$43.4M 0.25% 76
2018
Q3
$906M Sell
2,569,113
-53,707
-2% -$18.9M 0.26% 71
2018
Q2
$760M Buy
2,622,820
+28,421
+1% +$8.23M 0.23% 77
2018
Q1
$709M Buy
2,594,399
+150,840
+6% +$41.2M 0.23% 84
2017
Q4
$777M Buy
2,443,559
+24,753
+1% +$7.87M 0.26% 72
2017
Q3
$756M Sell
2,418,806
-720
-0% -$225K 0.28% 68
2017
Q2
$656M Buy
2,419,526
+47,351
+2% +$12.8M 0.26% 73
2017
Q1
$648M Buy
2,372,175
+149,832
+7% +$40.9M 0.27% 71
2016
Q4
$630M Buy
2,222,343
+98,428
+5% +$27.9M 0.29% 64
2016
Q3
$664M Buy
2,123,915
+101,816
+5% +$31.8M 0.33% 57
2016
Q2
$488M Buy
2,022,099
+27,097
+1% +$6.54M 0.27% 71
2016
Q1
$518K Buy
1,995,002
+75,964
+4% +$19.7K 0.28% 66
2015
Q4
$587M Sell
1,919,038
-32,829
-2% -$10M 0.33% 59
2015
Q3
$569M Buy
1,951,867
+22,146
+1% +$6.45M 0.34% 58
2015
Q2
$778M Buy
1,929,721
+13,097
+0.7% +$5.28M 0.44% 42
2015
Q1
$808M Buy
1,916,624
+54,959
+3% +$23.2M 0.46% 42
2014
Q4
$631M Buy
1,861,665
+77,922
+4% +$26.4M 0.38% 50
2014
Q3
$589M Sell
1,783,743
-13,569
-0.8% -$4.48M 0.38% 47
2014
Q2
$566M Sell
1,797,312
-10,305
-0.6% -$3.25M 0.37% 51
2014
Q1
$553M Buy
1,807,617
+100,731
+6% +$30.8M 0.37% 51
2013
Q4
$477M Buy
1,706,886
+26,497
+2% +$7.41M 0.33% 59
2013
Q3
$404M Buy
1,680,389
+52,598
+3% +$12.7M 0.32% 61
2013
Q2
$350M Buy
+1,627,791
New +$350M 0.31% 64