Atom Investors’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q1 | – | Sell |
-2,745
| Closed | -$420K | – | 512 |
|
|
2024
Q4 | $420K | Buy |
+2,745
| New | +$420K | 0.05% | 334 |
|
|
2022
Q1 | – | Sell |
-2,686
| Closed | -$644K | – | 210 |
|
|
2021
Q4 | $644K | Buy |
+2,686
| New | +$644K | 0.11% | 126 |
|
|
2021
Q3 | – | Hold |
0
| – | – | – | 298 |
|
|
2021
Q2 | – | Hold |
0
| – | – | – | 236 |
|
|
2021
Q1 | – | Sell |
-42,471
| Closed | -$10.4M | – | 246 |
|
|
2020
Q4 | $10.4M | Buy |
42,471
+23,437
| +123% | +$5.74M | 1.05% | 22 |
|
|
2020
Q3 | $5.4M | Buy |
19,034
+7,158
| +60% | +$2.03M | 0.51% | 38 |
|
|
2020
Q2 | $3.18M | Sell |
11,876
-20,871
| -64% | -$5.58M | 0.21% | 82 |
|
|
2020
Q1 | $10.4M | Buy |
32,747
+3,360
| +11% | +$1.06M | 0.91% | 26 |
|
|
2019
Q4 | $8.72M | Sell |
29,387
-18,176
| -38% | -$5.39M | 0.71% | 43 |
|
|
2019
Q3 | $11.1M | Buy |
47,563
+24,444
| +106% | +$5.69M | 0.76% | 34 |
|
|
2019
Q2 | $5.41M | Buy |
23,119
+20,162
| +682% | +$4.72M | 0.35% | 88 |
|
|
2019
Q1 | $699K | Buy |
+2,957
| New | +$699K | 0.06% | 216 |
|