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BIIB icon

Natixis’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$4.37M Buy
34,781
+4,876
+16% +$612K 0.02% 347
2025
Q1
$4.08M Buy
29,905
+1,513
+5% +$206K 0.02% 318
2024
Q4
$4.34M Sell
28,392
-88,057
-76% -$13.5M 0.03% 348
2024
Q3
$22.6M Buy
116,449
+8,968
+8% +$1.74M 0.13% 111
2024
Q2
$24.9M Buy
107,481
+5,743
+6% +$1.33M 0.14% 113
2024
Q1
$21.9M Buy
101,738
+34,665
+52% +$7.47M 0.11% 134
2023
Q4
$17.4M Buy
67,073
+45,538
+211% +$11.8M 0.13% 138
2023
Q3
$5.53M Sell
21,535
-10,402
-33% -$2.67M 0.04% 267
2023
Q2
$9.1M Buy
31,937
+15,668
+96% +$4.46M 0.07% 193
2023
Q1
$4.52M Sell
16,269
-128,995
-89% -$35.9M 0.04% 279
2022
Q4
$40.2M Buy
145,264
+53,173
+58% +$14.7M 0.23% 106
2022
Q3
$24.6M Sell
92,091
-44,500
-33% -$11.9M 0.12% 137
2022
Q2
$28M Buy
136,591
+43,324
+46% +$8.89M 0.1% 123
2022
Q1
$19.6M Sell
93,267
-122,407
-57% -$25.8M 0.07% 264
2021
Q4
$51.7M Buy
215,674
+127,089
+143% +$30.5M 0.18% 102
2021
Q3
$25.1M Sell
88,585
-18,719
-17% -$5.3M 0.09% 198
2021
Q2
$37.2M Buy
107,304
+63,990
+148% +$22.2M 0.16% 130
2021
Q1
$12.1M Sell
43,314
-43,223
-50% -$12.1M 0.04% 344
2020
Q4
$21.2M Buy
86,537
+69,604
+411% +$17M 0.08% 246
2020
Q3
$4.8M Sell
16,933
-15,542
-48% -$4.41M 0.04% 288
2020
Q2
$8.69M Sell
32,475
-40,786
-56% -$10.9M 0.07% 207
2020
Q1
$23.2M Sell
73,261
-110,302
-60% -$34.9M 0.18% 116
2019
Q4
$54.3M Buy
183,563
+23,753
+15% +$7.03M 0.34% 82
2019
Q3
$37.2M Buy
159,810
+17,170
+12% +$4M 0.24% 98
2019
Q2
$33.4M Sell
142,640
-129,334
-48% -$30.2M 0.26% 84
2019
Q1
$63.3M Buy
271,974
+236,794
+673% +$55.1M 0.4% 52
2018
Q4
$10.6M Sell
35,180
-61,881
-64% -$18.6M 0.09% 213
2018
Q3
$34.3M Sell
97,061
-43,684
-31% -$15.4M 0.2% 118
2018
Q2
$40.9M Buy
140,745
+9,687
+7% +$2.81M 0.22% 108
2018
Q1
$35.9M Buy
131,058
+32,188
+33% +$8.81M 0.22% 106
2017
Q4
$31.5M Buy
98,870
+26,826
+37% +$8.55M 0.24% 111
2017
Q3
$22.6M Sell
72,044
-149,194
-67% -$46.7M 0.21% 119
2017
Q2
$60M Buy
221,238
+19,762
+10% +$5.36M 0.68% 40
2017
Q1
$55.1M Buy
201,476
+14,130
+8% +$3.86M 0.69% 37
2016
Q4
$53.1M Buy
+187,346
New +$53.1M 0.55% 42
2016
Q3
Sell
-126,274
Closed -$30.5M 524
2016
Q2
$30.5M Buy
126,274
+914
+0.7% +$221K 0.57% 43
2016
Q1
$32.6M Sell
125,360
-24,675
-16% -$6.42M 0.55% 46
2015
Q4
$46M Buy
+150,035
New +$46M 0.77% 23
2015
Q3
Sell
-779
Closed -$315K 315
2015
Q2
$315K Sell
779
-30,544
-98% -$12.4M ﹤0.01% 302
2015
Q1
$13.2M Buy
+31,323
New +$13.2M 0.18% 81
2014
Q4
Sell
-3,133
Closed -$1.04M 386
2014
Q3
$1.04M Sell
3,133
-32,960
-91% -$10.9M 0.02% 255
2014
Q2
$11.4M Sell
36,093
-22,169
-38% -$6.99M 0.14% 132
2014
Q1
$17.8M Sell
58,262
-142,402
-71% -$43.6M 0.23% 100
2013
Q4
$56.1M Sell
200,664
-20,236
-9% -$5.66M 0.48% 46
2013
Q3
$53.2M Buy
220,900
+112,000
+103% +$27M 0.57% 47
2013
Q2
$23.4M Buy
+108,900
New +$23.4M 0.33% 74