Holdings in BIIB
| Report Date |
Value (USD) |
Shares |
Change |
Type |
Discretion |
Filed |
| 2025-12-31 |
$43,997,500 |
250,000 |
+954.9%
|
Shares |
Sole |
2026-02-13 |
| 2025-12-31 |
$4,170,963 |
23,700 |
-90.5%
|
Shares |
Sole |
2026-02-13 |
| 2025-09-30 |
$35,020,000 |
250,000 |
+13355.3%
|
Shares |
Sole |
2025-11-14 |
| 2024-12-31 |
$284,125 |
1,858 |
-70.7%
|
Shares |
Sole |
2025-02-14 |
| 2024-09-30 |
$1,229,914 |
6,345 |
+183.6%
|
Shares |
Sole |
2024-11-14 |
| 2024-06-30 |
$518,581 |
2,237 |
-63.3%
|
Shares |
Sole |
2024-08-14 |
| 2023-09-30 |
$1,567,761 |
6,100 |
+203.0%
|
Shares |
Sole |
2023-11-14 |
| 2023-09-30 |
$517,361 |
2,013 |
-50.9%
|
Shares |
Sole |
2023-11-14 |
| 2023-09-30 |
$1,053,741 |
4,100 |
+32.3%
|
Shares |
Sole |
2023-11-14 |
| 2022-12-31 |
$858,452 |
3,100 |
-8.8%
|
Shares |
Sole |
2023-02-14 |
| 2022-12-31 |
$941,528 |
3,400 |
-43.7%
|
Shares |
Sole |
2023-02-14 |
| 2022-12-31 |
$1,672,042 |
6,038 |
+2.3%
|
Shares |
Sole |
2023-02-14 |
| 2022-09-30 |
$1,575,300 |
5,900 |
+140.4%
|
Shares |
Sole |
2022-11-14 |
| 2022-09-30 |
$655,218 |
2,454 |
-56.2%
|
Shares |
Sole |
2022-11-14 |
| 2022-09-30 |
$1,495,200 |
5,600 |
-72.2%
|
Shares |
Sole |
2022-11-14 |
| 2022-06-30 |
$4,112,450 |
20,165 |
+58.8%
|
Shares |
Sole |
2022-08-17 |
| 2022-06-30 |
$2,590,038 |
12,700 |
-56.9%
|
Shares |
Sole |
2022-08-17 |
| 2022-06-30 |
$6,016,230 |
29,500 |
-43.5%
|
Shares |
Sole |
2022-08-17 |
| 2022-03-31 |
$10,993,320 |
52,200 |
+97.7%
|
Shares |
Sole |
2022-05-16 |
| 2022-03-31 |
$5,559,840 |
26,400 |
+5.7%
|
Shares |
Sole |
2022-05-16 |
| 2022-03-31 |
$5,258,471 |
24,969 |
+6.7%
|
Shares |
Sole |
2022-05-16 |
| 2021-12-31 |
$5,614,128 |
23,400 |
+146.2%
|
Shares |
Sole |
2022-02-14 |
| 2021-12-31 |
$2,279,959 |
9,503 |
-12.8%
|
Shares |
Sole |
2022-02-14 |
| 2021-12-31 |
$2,615,128 |
10,900 |
+125.3%
|
Shares |
Sole |
2022-02-14 |
| 2021-09-30 |
$1,369,105 |
4,838 |
+158.4%
|
Shares |
Sole |
2021-11-17 |
| 2021-06-30 |
$648,217 |
1,872 |
-59.4%
|
Shares |
Sole |
2021-08-16 |
| 2020-12-31 |
$1,128,804 |
4,610 |
+0.2%
|
Shares |
Sole |
2021-02-16 |
| 2020-12-31 |
$1,126,356 |
4,600 |
0.0%
|
Shares |
Sole |
2021-02-16 |
| 2020-09-30 |
$1,304,928 |
4,600 |
-56.9%
|
Shares |
Sole |
2020-11-16 |
| 2020-09-30 |
$3,029,702 |
10,680 |
+132.2%
|
Shares |
Sole |
2020-11-16 |
| 2020-06-30 |
$1,230,730 |
4,600 |
-40.8%
|
Shares |
Sole |
2020-08-14 |
| 2020-06-30 |
$2,080,201 |
7,775 |
-23.8%
|
Shares |
Sole |
2020-08-14 |
| 2020-03-31 |
$3,227,076 |
10,200 |
+200.0%
|
Shares |
Sole |
2020-05-15 |
| 2020-03-31 |
$1,075,692 |
3,400 |
+42.4%
|
Shares |
Sole |
2020-05-15 |
| 2020-03-31 |
$755,199 |
2,387 |
—
|
Shares |
Sole |
2020-05-15 |
