Magnetar Financial’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | – | Sell |
-2,484
| Closed | -$312K | – | 908 |
|
|
2025
Q2 | $312K | Sell |
2,484
-5,235
| -68% | -$652K | ﹤0.01% | 694 |
|
|
2025
Q1 | $1.06M | Buy |
7,719
+5,842
| +311% | +$835K | 0.01% | 334 |
|
|
2024
Q4 | $287K | Buy |
1,877
+717
| +62% | +$121K | 0.01% | 480 |
|
|
2024
Q3 | $225K | Buy |
+1,160
| New | +$243K | ﹤0.01% | 451 |
|
|
2023
Q1 | – | Sell |
-1,337
| Closed | -$370K | – | 615 |
|
|
2022
Q4 | $370K | Buy |
+1,337
| New | +$378K | 0.01% | 643 |
|
|
2022
Q3 | – | Sell |
-2,555
| Closed | -$521 | – | 1366 |
|
|
2022
Q2 | $521 | Buy |
+2,555
| New | +$522K | 0.01% | 1136 |
|
|
2022
Q1 | – | Sell |
-3,714
| Closed | -$891K | – | 1337 |
|
|
2021
Q4 | $891K | Sell |
3,714
-31,728
| -90% | -$8.16M | 0.01% | 832 |
|
|
2021
Q3 | $10M | Buy |
35,442
+24,737
| +231% | +$8.11M | 0.1% | 212 |
|
|
2021
Q2 | $3.71K | Buy |
10,705
+3,342
| +45% | +$1.01M | 0.04% | 470 |
|
|
2021
Q1 | $2.06M | Buy |
+7,363
| New | +$1.99M | 0.02% | 570 |
|
|
2020
Q3 | – | Sell |
-1,022
| Closed | -$273K | – | 650 |
|
|
2020
Q2 | $273K | Buy |
1,022
+382
| +60% | +$115K | 0.01% | 348 |
|
|
2020
Q1 | $202K | Sell |
640
-769
| -55% | -$233K | ﹤0.01% | 402 |
|
|
2019
Q4 | $418K | Sell |
1,409
-2,832
| -67% | -$786K | 0.01% | 368 |
|
|
2019
Q3 | $987K | Buy |
4,241
+329
| +8% | +$76.6K | 0.03% | 222 |
|
|
2019
Q2 | $915K | Buy |
+3,912
| New | +$903K | 0.02% | 200 |
|
|
2018
Q3 | – | Sell |
-825
| Closed | -$239K | – | 525 |
|
|
2018
Q2 | $239K | Buy |
+825
| New | +$232K | ﹤0.01% | 435 |
|
|
2018
Q1 | – | Sell |
-636
| Closed | -$203K | – | 589 |
|
|
2017
Q4 | $203K | Buy |
+636
| New | +$204K | ﹤0.01% | 623 |
|
|
2017
Q2 | – | Sell |
-4,514
| Closed | -$1.23M | – | 796 |
|
|
2017
Q1 | $1.23M | Buy |
+4,514
| New | +$1.28M | 0.02% | 263 |
|
|
2015
Q2 | – | Sell |
-5,229
| Closed | -$2.21M | – | 426 |
|
|
2015
Q1 | $2.21M | Buy |
+5,229
| New | +$2.06M | 0.05% | 155 |
|
|
2014
Q1 | – | Hold |
0
| – | – | – | 239 |
|
|
2013
Q4 | – | Hold |
0
| – | – | – | 245 |
|
|
2013
Q3 | – | Hold |
0
| – | – | – | 482 |
|
Other funds holding BIIB
