Flagship Harbor Advisors’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 | – | Sell |
-1,692
| Closed | -$298K | – | 880 |
|
|
2025
Q4 | $298K | Sell |
1,692
-607
| -26% | -$99.2K | 0.01% | 562 |
|
|
2025
Q3 | $322K | Sell |
2,299
-39
| -2% | -$5.27K | 0.01% | 610 |
|
|
2025
Q2 | $294K | Sell |
2,338
-102
| -4% | -$12.7K | 0.01% | 604 |
|
|
2025
Q1 | $334K | Buy |
2,440
+887
| +57% | +$127K | 0.02% | 537 |
|
|
2024
Q4 | $237K | Buy |
1,553
+155
| +11% | +$26.1K | 0.01% | 640 |
|
|
2024
Q3 | $271K | Sell |
1,398
-160
| -10% | -$33.5K | 0.01% | 591 |
|
|
2024
Q2 | $361K | Buy |
1,558
+180
| +13% | +$39.1K | 0.02% | 489 |
|
|
2024
Q1 | $297K | Sell |
1,378
-253
| -16% | -$59.3K | 0.02% | 526 |
|
|
2023
Q4 | $422K | Sell |
1,631
-30
| -2% | -$7.37K | 0.03% | 399 |
|
|
2023
Q3 | $427K | Buy |
1,661
+130
| +8% | +$34.8K | 0.04% | 372 |
|
|
2023
Q2 | $436K | Sell |
1,531
-18
| -1% | -$5.36K | 0.04% | 378 |
|
|
2023
Q1 | $431K | Buy |
+1,549
| New | +$429K | 0.04% | 384 |
|
|
2022
Q1 | – | Sell |
-931
| Closed | -$223K | – | 626 |
|
|
2021
Q4 | $223K | Sell |
931
-311
| -25% | -$80K | 0.02% | 588 |
|
|
2021
Q3 | $430K | Hold |
1,242
| – | – | 0.05% | 380 |
|
|
2021
Q2 | $430K | Sell |
1,242
-239
| -16% | -$72.4K | 0.05% | 381 |
|
|
2021
Q1 | $414K | Sell |
1,481
-473
| -24% | -$128K | 0.05% | 396 |
|
|
2020
Q4 | $478K | Sell |
1,954
-513
| -21% | -$132K | 0.06% | 322 |
|
|
2020
Q3 | $699K | Sell |
2,467
-280
| -10% | -$78.1K | 0.09% | 204 |
|
|
2020
Q2 | $734K | Buy |
2,747
+976
| +55% | +$293K | 0.11% | 182 |
|
|
2020
Q1 | $560K | Sell |
1,771
-29
| -2% | -$8.8K | 0.11% | 176 |
|
|
2019
Q4 | $534K | Buy |
1,800
+204
| +13% | +$56.6K | 0.09% | 217 |
|
|
2019
Q3 | $371K | Sell |
1,596
-1,109
| -41% | -$258K | 0.07% | 271 |
|
|
2019
Q2 | $632K | Sell |
2,705
-244
| -8% | -$56.3K | 0.13% | 159 |
|
|
2019
Q1 | $697K | Buy |
2,949
+102
| +4% | +$32.1K | 0.14% | 155 |
|
|
2018
Q4 | $856K | Buy |
2,847
+435
| +18% | +$139K | 0.21% | 109 |
|
|
2018
Q3 | $850K | Buy |
2,412
+8
| +0.3% | +$2.75K | 0.16% | 148 |
|
|
2018
Q2 | $697K | Buy |
2,404
+12
| +0.5% | +$3.37K | 0.14% | 158 |
|
|
2018
Q1 | $642K | Buy |
2,392
+425
| +22% | +$132K | 0.19% | 134 |
|
|
2017
Q4 | $647K | Buy |
1,967
+51
| +3% | +$16.4K | 0.19% | 132 |
|
|
2017
Q3 | $629K | Sell |
1,916
-72
| -4% | -$21.3K | 0.2% | 130 |
|
|
2017
Q2 | $543K | Buy |
1,988
+478
| +32% | +$126K | 0.19% | 145 |
|
|
2017
Q1 | $412K | Sell |
1,510
-4
| -0.3% | -$1.13K | 0.16% | 164 |
|
|
2016
Q4 | $423K | Buy |
+1,514
| New | +$449K | 0.18% | 149 |
|
Other funds holding BIIB
VCM
VPM
