Russell Investments Group’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $25.1M | Buy |
135,841
+16,754
| +14% | +$3.09M | 0.03% | 569 |
|
|
2025
Q4 | $21M | Sell |
119,087
-22,261
| -16% | -$3.64M | 0.02% | 608 |
|
|
2025
Q3 | $19.8M | Sell |
141,348
-100,705
| -42% | -$13.6M | 0.02% | 623 |
|
|
2025
Q2 | $30.4M | Buy |
242,053
+34,404
| +17% | +$4.29M | 0.04% | 449 |
|
|
2025
Q1 | $28.4M | Buy |
207,649
+85,886
| +71% | +$12.3M | 0.04% | 475 |
|
|
2024
Q4 | $18.6M | Sell |
121,763
-9,687
| -7% | -$1.63M | 0.03% | 609 |
|
|
2024
Q3 | $25.5M | Buy |
131,450
+13,912
| +12% | +$2.91M | 0.04% | 494 |
|
|
2024
Q2 | $27.2M | Sell |
117,538
-29,090
| -20% | -$6.32M | 0.04% | 422 |
|
|
2024
Q1 | $31.6M | Buy |
146,628
+23,358
| +19% | +$5.47M | 0.05% | 401 |
|
|
2023
Q4 | $31.9M | Sell |
123,270
-31,318
| -20% | -$7.69M | 0.06% | 364 |
|
|
2023
Q3 | $39.7M | Sell |
154,588
-32,889
| -18% | -$8.8M | 0.08% | 282 |
|
|
2023
Q2 | $53.4M | Sell |
187,477
-70,564
| -27% | -$21M | 0.1% | 222 |
|
|
2023
Q1 | $71.7M | Sell |
258,041
-18,648
| -7% | -$5.16M | 0.14% | 157 |
|
|
2022
Q4 | $76.6M | Sell |
276,689
-60,565
| -18% | -$17.1M | 0.16% | 149 |
|
|
2022
Q3 | $90M | Buy |
337,254
+78,393
| +30% | +$16.6M | 0.2% | 107 |
|
|
2022
Q2 | $52.8M | Buy |
258,861
+113,919
| +79% | +$23.3M | 0.11% | 226 |
|
|
2022
Q1 | $30.5M | Buy |
144,942
+40,872
| +39% | +$8.89M | 0.05% | 423 |
|
|
2021
Q4 | $25M | Sell |
104,070
-2,380
| -2% | -$612K | 0.04% | 524 |
|
|
2021
Q3 | $30.2M | Sell |
106,450
-13,807
| -11% | -$4.53M | 0.05% | 441 |
|
|
2021
Q2 | $41.6M | Sell |
120,257
-39,787
| -25% | -$12.1M | 0.07% | 341 |
|
|
2021
Q1 | $44.6M | Sell |
160,044
-37,889
| -19% | -$10.2M | 0.08% | 302 |
|
|
2020
Q4 | $48.3M | Sell |
197,933
-31,572
| -14% | -$8.14M | 0.1% | 243 |
|
|
2020
Q3 | $65M | Buy |
229,505
+18,441
| +9% | +$5.14M | 0.14% | 158 |
|
|
2020
Q2 | $55.7M | Sell |
211,064
-86,490
| -29% | -$26M | 0.12% | 179 |
|
|
2020
Q1 | $94.1M | Sell |
297,554
-63,402
| -18% | -$19.2M | 0.24% | 77 |
|
|
2019
Q4 | $107M | Sell |
360,956
-14,165
| -4% | -$3.93M | 0.2% | 100 |
|
|
2019
Q3 | $87.1M | Buy |
375,121
+51,605
| +16% | +$12M | 0.17% | 131 |
|
|
2019
Q2 | $76.1M | Buy |
323,516
+72,067
| +29% | +$16.6M | 0.14% | 158 |
|
|
2019
Q1 | $59.2M | Buy |
251,449
+95,410
| +61% | +$30M | 0.11% | 208 |
|
|
2018
Q4 | $46.5M | Sell |
156,039
-79,733
| -34% | -$25.4M | 0.1% | 217 |
|
|
2018
Q3 | $83.5M | Buy |
235,772
+76,137
| +48% | +$26.2M | 0.16% | 126 |
|
|
2018
Q2 | $46.2M | Sell |
159,635
-24,174
| -13% | -$6.8M | 0.1% | 217 |
|
|
2018
Q1 | $50.2M | Buy |
183,809
+52,654
| +40% | +$16.3M | 0.09% | 278 |
|
|
2017
Q4 | $42M | Sell |
131,155
-128,020
| -49% | -$41.1M | 0.07% | 333 |
|
|
2017
Q3 | $81.1M | Buy |
259,175
+59,854
| +30% | +$17.7M | 0.14% | 169 |
|
|
2017
Q2 | $54.1M | Sell |
199,321
-40,776
| -17% | -$10.8M | 0.1% | 251 |
|
|
2017
Q1 | $65.6M | Buy |
240,097
+6,608
| +3% | +$1.87M | 0.12% | 193 |
|
|
2016
Q4 | $67M | Buy |
+233,489
| New | +$69.2M | 0.13% | 178 |
|
Other funds holding BIIB
VCM
VPM
