Natixis Advisors
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Natixis Advisors’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$4.8M Buy
38,199
+11,292
+42% +$1.42M 0.01% 827
2025
Q1
$3.68M Buy
26,907
+9,946
+59% +$1.36M 0.01% 888
2024
Q4
$2.59M Sell
16,961
-7,796
-31% -$1.19M ﹤0.01% 1016
2024
Q3
$4.8M Sell
24,757
-10,054
-29% -$1.95M 0.01% 840
2024
Q2
$8.07M Buy
34,811
+9,714
+39% +$2.25M 0.02% 673
2024
Q1
$5.41M Buy
25,097
+931
+4% +$201K 0.01% 777
2023
Q4
$6.25M Buy
24,166
+565
+2% +$146K 0.02% 688
2023
Q3
$6.07M Sell
23,601
-4,720
-17% -$1.21M 0.02% 653
2023
Q2
$8.07M Buy
28,321
+1,791
+7% +$510K 0.02% 590
2023
Q1
$7.38M Buy
26,530
+4,429
+20% +$1.23M 0.03% 593
2022
Q4
$6.12M Buy
22,101
+874
+4% +$242K 0.02% 635
2022
Q3
$5.67M Buy
21,227
+3,376
+19% +$901K 0.02% 592
2022
Q2
$3.64M Buy
17,851
+1,973
+12% +$402K 0.02% 743
2022
Q1
$3.34M Sell
15,878
-521
-3% -$110K 0.01% 808
2021
Q4
$3.94M Sell
16,399
-5,526
-25% -$1.33M 0.02% 748
2021
Q3
$6.2M Buy
21,925
+1,920
+10% +$543K 0.03% 573
2021
Q2
$6.93M Buy
20,005
+681
+4% +$236K 0.03% 528
2021
Q1
$5.41M Buy
19,324
+68
+0.4% +$19K 0.03% 568
2020
Q4
$4.72M Sell
19,256
-67,917
-78% -$16.6M 0.03% 583
2020
Q3
$24.7M Buy
87,173
+1,757
+2% +$498K 0.16% 154
2020
Q2
$22.9M Sell
85,416
-15,202
-15% -$4.07M 0.15% 165
2020
Q1
$31.8M Buy
100,618
+11,432
+13% +$3.62M 0.26% 80
2019
Q4
$26.5M Sell
89,186
-1,199
-1% -$356K 0.19% 121
2019
Q3
$21M Buy
90,385
+6,129
+7% +$1.43M 0.17% 148
2019
Q2
$19.7M Buy
84,256
+24,999
+42% +$5.85M 0.16% 146
2019
Q1
$14M Sell
59,257
-13,524
-19% -$3.2M 0.12% 187
2018
Q4
$21.9M Sell
72,781
-8,853
-11% -$2.66M 0.22% 97
2018
Q3
$28.8M Buy
81,634
+609
+0.8% +$215K 0.25% 82
2018
Q2
$23.5M Buy
81,025
+1,213
+2% +$352K 0.22% 93
2018
Q1
$21.9M Buy
79,812
+10,561
+15% +$2.89M 0.22% 96
2017
Q4
$22.1M Buy
69,251
+4,519
+7% +$1.44M 0.22% 94
2017
Q3
$20.3M Buy
64,732
+4,155
+7% +$1.3M 0.21% 98
2017
Q2
$16.4M Buy
60,577
+1,765
+3% +$479K 0.18% 128
2017
Q1
$16.1M Buy
58,812
+4,078
+7% +$1.11M 0.18% 125
2016
Q4
$15.5M Buy
54,734
+8,386
+18% +$2.38M 0.19% 128
2016
Q3
$14.5M Sell
46,348
-1,805
-4% -$565K 0.19% 130
2016
Q2
$11.6M Buy
48,153
+3,302
+7% +$798K 0.16% 156
2016
Q1
$11.7M Buy
44,851
+7,420
+20% +$1.93M 0.17% 141
2015
Q4
$11.5M Sell
37,431
-12,213
-25% -$3.74M 0.19% 128
2015
Q3
$14.5M Buy
49,644
+1,558
+3% +$455K 0.25% 77
2015
Q2
$19.4M Buy
48,086
+4,339
+10% +$1.75M 0.33% 55
2015
Q1
$18.5M Buy
43,747
+1,356
+3% +$573K 0.32% 51
2014
Q4
$14.4M Buy
42,391
+4,752
+13% +$1.61M 0.27% 68
2014
Q3
$12.5M Buy
37,639
+13,428
+55% +$4.44M 0.25% 79
2014
Q2
$7.63M Buy
24,211
+450
+2% +$142K 0.11% 303
2014
Q1
$7.27M Buy
23,761
+1,753
+8% +$536K 0.11% 307
2013
Q4
$6.15M Buy
22,008
+1,012
+5% +$283K 0.1% 339
2013
Q3
$5.06M Buy
20,996
+562
+3% +$135K 0.09% 375
2013
Q2
$4.4M Buy
+20,434
New +$4.4M 0.09% 384