Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.2M Sell
22,926
-1,993
-8% -$367K ﹤0.01% 528
2025
Q4
$4.39M Sell
24,919
-88,634
-78% -$14.5M ﹤0.01% 532
2025
Q3
$15.9M Sell
113,553
-33,929
-23% -$4.59M 0.01% 313
2025
Q2
$18.5M Buy
147,482
+14,591
+11% +$1.82M 0.02% 289
2025
Q1
$18.2M Buy
132,891
+60,073
+82% +$8.59M 0.02% 267
2024
Q4
$11.1M Sell
72,818
-3,214
-4% -$542K 0.01% 314
2024
Q3
$14.7M Buy
76,032
+53,561
+238% +$11.2M 0.02% 302
2024
Q2
$5.21M Sell
22,471
-3,950
-15% -$858K 0.01% 457
2024
Q1
$5.7M Sell
26,421
-10,054
-28% -$2.35M 0.01% 447
2023
Q4
$9.43M Buy
36,475
+1,854
+5% +$455K 0.01% 360
2023
Q3
$8.9M Buy
34,621
+1,415
+4% +$378K 0.01% 358
2023
Q2
$9.46M Buy
33,206
+9,080
+38% +$2.7M 0.01% 357
2023
Q1
$6.71M Sell
24,126
-36,045
-60% -$9.97M 0.01% 420
2022
Q4
$16.7M Buy
60,171
+6,129
+11% +$1.73M 0.03% 268
2022
Q3
$14.4M Buy
54,042
+25,641
+90% +$5.45M 0.03% 258
2022
Q2
$5.79M Buy
28,401
+11,400
+67% +$2.33M 0.01% 416
2022
Q1
$3.58M Hold
17,001
0.01% 552
2021
Q4
$4.08M Sell
17,001
-13,445
-44% -$3.46M 0.01% 538
2021
Q3
$8.62M Sell
30,446
-6,912
-19% -$2.27M 0.01% 401
2021
Q2
$12.9M Buy
37,358
+9,832
+36% +$2.98M 0.02% 340
2021
Q1
$7.64M Sell
27,526
-17,600
-39% -$4.75M 0.01% 378
2020
Q4
$11M Sell
45,126
-58,976
-57% -$15.2M 0.02% 313
2020
Q3
$29.5M Sell
104,102
-39,425
-27% -$11M 0.07% 170
2020
Q2
$38.4M Buy
143,527
+65,594
+84% +$19.7M 0.11% 128
2020
Q1
$24.7M Sell
77,933
-69,522
-47% -$21.1M 0.08% 148
2019
Q4
$43.7M Sell
147,455
-33,934
-19% -$9.42M 0.12% 122
2019
Q3
$42.2M Sell
181,389
-16,157
-8% -$3.76M 0.13% 122
2019
Q2
$46.2M Sell
197,546
-35,636
-15% -$8.23M 0.14% 115
2019
Q1
$55.1M Sell
233,182
-509,117
-69% -$160M 0.18% 98
2018
Q4
$218M Sell
742,299
-147,775
-17% -$47.2M 0.85% 33
2018
Q3
$314M Buy
890,074
+59,889
+7% +$20.6M 1.12% 21
2018
Q2
$241M Buy
830,185
+95,526
+13% +$26.9M 0.89% 32
2018
Q1
$201M Sell
734,659
-789
-0.1% -$245K 0.78% 34
2017
Q4
$234M Sell
735,448
-292,979
-28% -$94M 0.9% 34
2017
Q3
$322M Buy
1,028,427
+62,373
+6% +$18.5M 1.34% 13
2017
Q2
$262M Buy
966,054
+205,382
+27% +$54.3M 1.22% 18
2017
Q1
$208M Buy
760,672
+128,964
+20% +$36.5M 0.96% 23
2016
Q4
$179M Buy
+631,708
New +$187M 0.87% 31

Other funds holding BIIB