BlackRock’s Biogen BIIB Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $1.7B | Sell |
13,555,466
-1,655,570
| -11% | -$208M | 0.03% | 439 |
|
|
2025
Q1 | $2.08B | Sell |
15,211,036
-262,674
| -2% | -$35.9M | 0.04% | 359 |
|
|
2024
Q4 | $2.37B | Buy |
15,473,710
+126,669
| +0.8% | +$19.4M | 0.05% | 336 |
|
|
2024
Q3 | $2.97B | Buy |
15,347,041
+808,544
| +6% | +$157M | 0.06% | 273 |
|
|
2024
Q2 | $3.37B | Buy |
14,538,497
+393,509
| +3% | +$91.2M | 0.08% | 221 |
|
|
2024
Q1 | $3.05B | Sell |
14,144,988
-101,670
| -0.7% | -$21.9M | 0.07% | 252 |
|
|
2023
Q4 | $3.69B | Buy |
14,246,658
+272,071
| +2% | +$70.4M | 0.09% | 189 |
|
|
2023
Q3 | $3.59B | Sell |
13,974,587
-91,407
| -0.6% | -$23.5M | 0.1% | 170 |
|
|
2023
Q2 | $4.01B | Buy |
14,065,994
+79,773
| +0.6% | +$22.7M | 0.11% | 156 |
|
|
2023
Q1 | $3.89B | Sell |
13,986,221
-274,392
| -2% | -$76.3M | 0.11% | 149 |
|
|
2022
Q4 | $3.95B | Buy |
14,260,613
+413,887
| +3% | +$115M | 0.12% | 158 |
|
|
2022
Q3 | $3.7B | Sell |
13,846,726
-616,733
| -4% | -$165M | 0.13% | 145 |
|
|
2022
Q2 | $2.95B | Buy |
14,463,459
+342,362
| +2% | +$69.8M | 0.09% | 201 |
|
|
2022
Q1 | $2.97B | Buy |
14,121,097
+399,143
| +3% | +$84.1M | 0.08% | 235 |
|
|
2021
Q4 | $3.29B | Sell |
13,721,954
-174,299
| -1% | -$41.8M | 0.08% | 221 |
|
|
2021
Q3 | $3.93B | Buy |
13,896,253
+689,662
| +5% | +$195M | 0.11% | 151 |
|
|
2021
Q2 | $4.57B | Sell |
13,206,591
-296,037
| -2% | -$103M | 0.13% | 134 |
|
|
2021
Q1 | $3.78B | Buy |
13,502,628
+83,027
| +0.6% | +$23.2M | 0.11% | 161 |
|
|
2020
Q4 | $3.29B | Sell |
13,419,601
-1,043,678
| -7% | -$256M | 0.1% | 164 |
|
|
2020
Q3 | $4.1B | Sell |
14,463,279
-136,177
| -0.9% | -$38.6M | 0.15% | 121 |
|
|
2020
Q2 | $3.91B | Sell |
14,599,456
-1,443,581
| -9% | -$386M | 0.16% | 117 |
|
|
2020
Q1 | $5.08B | Buy |
16,043,037
+384,396
| +2% | +$122M | 0.25% | 73 |
|
|
2019
Q4 | $4.65B | Buy |
15,658,641
+219,594
| +1% | +$65.2M | 0.18% | 102 |
|
|
2019
Q3 | $3.59B | Sell |
15,439,047
-573,590
| -4% | -$134M | 0.15% | 123 |
|
|
2019
Q2 | $3.74B | Sell |
16,012,637
-280,115
| -2% | -$65.5M | 0.16% | 112 |
|
|
2019
Q1 | $3.85B | Sell |
16,292,752
-276,211
| -2% | -$65.3M | 0.17% | 103 |
|
|
2018
Q4 | $4.99B | Buy |
16,568,963
+70,603
| +0.4% | +$21.2M | 0.25% | 72 |
|
|
2018
Q3 | $5.83B | Sell |
16,498,360
-584,223
| -3% | -$206M | 0.25% | 71 |
|
|
2018
Q2 | $4.96B | Sell |
17,082,583
-185,756
| -1% | -$53.9M | 0.23% | 76 |
|
|
2018
Q1 | $4.73B | Buy |
17,268,339
+463,656
| +3% | +$127M | 0.23% | 78 |
|
|
2017
Q4 | $5.35B | Sell |
16,804,683
-139,606
| -0.8% | -$44.5M | 0.25% | 68 |
|
|
2017
Q3 | $5.31B | Sell |
16,944,289
-1,163,069
| -6% | -$364M | 0.27% | 65 |
|
|
2017
Q2 | $4.91B | Buy |
18,107,358
+415,099
| +2% | +$113M | 0.26% | 67 |
|
|
2017
Q1 | $4.84B | Buy |
17,692,259
+17,074,075
| +2,762% | +$4.67B | 0.27% | 67 |
|
|
2016
Q4 | $175M | Buy |
618,184
+32,119
| +5% | +$9.11M | 0.25% | 73 |
|
|
2016
Q3 | $183M | Sell |
586,065
-63,123
| -10% | -$19.8M | 0.26% | 74 |
|
|
2016
Q2 | $157M | Buy |
649,188
+86,484
| +15% | +$20.9M | 0.24% | 87 |
|
|
2016
Q1 | $146M | Sell |
562,704
-157,354
| -22% | -$41M | 0.24% | 83 |
|
|
2015
Q4 | $221M | Buy |
720,058
+2,480
| +0.3% | +$760K | 0.32% | 62 |
|
|
2015
Q3 | $209M | Buy |
717,578
+70,057
| +11% | +$20.4M | 0.33% | 63 |
|
|
2015
Q2 | $262M | Sell |
647,521
-65,817
| -9% | -$26.6M | 0.39% | 54 |
|
|
2015
Q1 | $301M | Sell |
713,338
-5,410
| -0.8% | -$2.28M | 0.42% | 56 |
|
|
2014
Q4 | $244M | Buy |
718,748
+14,708
| +2% | +$4.99M | 0.35% | 59 |
|
|
2014
Q3 | $233M | Sell |
704,040
-53,947
| -7% | -$17.8M | 0.34% | 63 |
|
|
2014
Q2 | $239M | Buy |
757,987
+49,426
| +7% | +$15.6M | 0.36% | 58 |
|
|
2014
Q1 | $217M | Buy |
708,561
+40,418
| +6% | +$12.4M | 0.35% | 60 |
|
|
2013
Q4 | $187M | Buy |
668,143
+118,058
| +21% | +$33M | 0.3% | 68 |
|
|
2013
Q3 | $132M | Sell |
550,085
-5,297
| -1% | -$1.28M | 0.25% | 83 |
|
|
2013
Q2 | $120M | Buy |
+555,382
| New | +$120M | 0.24% | 88 |
|