Holdings in BIIB
| Report Date |
Value (USD) |
Shares |
Change |
Type |
Discretion |
Filed |
| 2025-12-31 |
$25,766,343 |
146,408 |
+1526.8%
|
Shares |
Defined |
2026-02-13 |
| 2025-12-31 |
$1,583,910 |
9,000 |
+73.1%
|
Shares |
Defined |
2026-02-13 |
| 2025-12-31 |
$915,148 |
5,200 |
+44.4%
|
Shares |
Defined |
2026-02-13 |
| 2025-09-30 |
$504,288 |
3,600 |
-52.8%
|
Shares |
Defined |
2025-11-14 |
| 2025-09-30 |
$1,068,530 |
7,628 |
-41.3%
|
Shares |
Defined |
2025-11-14 |
| 2025-09-30 |
$1,821,040 |
13,000 |
-71.0%
|
Shares |
Defined |
2025-11-14 |
| 2025-06-30 |
$5,638,991 |
44,900 |
+475.6%
|
Shares |
Defined |
2025-08-27 |
| 2025-06-30 |
$979,602 |
7,800 |
-79.0%
|
Shares |
Defined |
2025-08-27 |
| 2025-06-30 |
$4,667,049 |
37,161 |
-91.1%
|
Shares |
Defined |
2025-08-27 |
| 2025-03-31 |
$56,858,388 |
415,510 |
+3482.0%
|
Shares |
Defined |
2025-08-27 |
| 2025-03-31 |
$1,587,344 |
11,600 |
-64.3%
|
Shares |
Defined |
2025-08-27 |
| 2025-03-31 |
$4,447,300 |
32,500 |
+306.2%
|
Shares |
Defined |
2025-08-27 |
| 2024-12-31 |
$1,223,360 |
8,000 |
-97.8%
|
Shares |
Defined |
2025-02-14 |
| 2024-12-31 |
$56,764,056 |
371,201 |
+1587.3%
|
Shares |
Defined |
2025-02-14 |
| 2024-12-31 |
$3,364,240 |
22,000 |
+83.3%
|
Shares |
Defined |
2025-02-14 |
| 2024-09-30 |
$2,326,080 |
12,000 |
-94.8%
|
Shares |
Defined |
2024-11-14 |
| 2024-09-30 |
$44,708,808 |
230,648 |
+20868.0%
|
Shares |
Defined |
2024-11-14 |
| 2024-09-30 |
$213,224 |
1,100 |
-72.1%
|
Shares |
Defined |
2024-11-14 |
| 2024-06-30 |
$914,529 |
3,945 |
-85.4%
|
Shares |
Defined |
2024-08-14 |
| 2024-06-30 |
$6,282,322 |
27,100 |
+247.4%
|
Shares |
Defined |
2024-08-14 |
| 2024-03-31 |
$1,681,914 |
7,800 |
-97.5%
|
Shares |
Defined |
2024-05-15 |
| 2024-03-31 |
$67,860,701 |
314,709 |
+6322.6%
|
Shares |
Defined |
2024-05-15 |
| 2023-12-31 |
$1,267,973 |
4,900 |
-94.6%
|
Shares |
Defined |
2024-02-14 |
| 2023-12-31 |
$23,367,448 |
90,302 |
+1484.2%
|
Shares |
Defined |
2024-02-14 |
| 2023-12-31 |
$1,474,989 |
5,700 |
-70.3%
|
Shares |
Defined |
2024-02-14 |
| 2023-09-30 |
$4,934,592 |
19,200 |
-41.4%
|
Shares |
Defined |
2023-11-14 |
| 2023-09-30 |
$8,426,843 |
32,788 |
+70.8%
|
Shares |
Defined |
2023-11-14 |
| 2023-09-30 |
$4,934,592 |
19,200 |
+246.1%
|
Shares |
Defined |
2023-11-14 |
| 2023-06-30 |
$1,580,062 |
5,547 |
+152.1%
|
Shares |
Defined |
2023-08-14 |
| 2023-03-31 |
$611,666 |
2,200 |
0.0%
|
Shares |
Defined |
2023-05-15 |
| 2023-03-31 |
$611,666 |
2,200 |
-98.4%
|
Shares |
Defined |
2023-05-15 |
| 2022-12-31 |
$38,296,097 |
138,293 |
-15.2%
|
Shares |
Defined |
2023-02-14 |
| 2022-12-31 |
$45,137,960 |
163,000 |
+148.5%
|
Shares |
Defined |
2023-02-14 |
| 2022-12-31 |
$18,165,952 |
65,600 |
-59.8%
|
Shares |
Defined |
2023-02-14 |
| 2022-09-30 |
$43,574,400 |
163,200 |
-0.4%
|
Shares |
Defined |
2022-11-14 |
| 2022-09-30 |
$43,727,925 |
163,775 |
-2.9%
|
Shares |
Defined |
2022-11-14 |
| 2022-06-30 |
$34,404,678 |
168,700 |
+97.8%
|
Shares |
Defined |
2022-08-15 |
| 2022-06-30 |
$17,395,470 |
85,297 |
+1479.6%
|
Shares |
Defined |
2022-08-15 |
| 2022-06-30 |
$1,101,276 |
5,400 |
+14.9%
|
Shares |
Defined |
2022-08-15 |
| 2022-03-31 |
$989,820 |
4,700 |
-98.2%
|
Shares |
Defined |
2022-05-16 |
| 2022-03-31 |
$54,049,015 |
256,643 |
+57.4%
|
Shares |
Defined |
2022-05-16 |
| 2022-03-31 |
$34,327,800 |
163,000 |
-8.1%
|
Shares |
Defined |
2022-05-16 |
| 2021-12-31 |
$42,561,808 |
177,400 |
+4152.2%
|
Shares |
Defined |
2022-02-14 |
| 2021-12-31 |
$1,000,946 |
4,172 |
-99.3%
|
Shares |
Defined |
2022-02-14 |
| 2021-12-31 |
$137,762,064 |
574,200 |
+204.8%
|
Shares |
Defined |
2022-02-14 |
| 2021-09-30 |
$53,315,316 |
188,400 |
+651.3%
|
Shares |
Defined |
2021-11-15 |
| 2021-09-30 |
$7,096,257 |
25,076 |
-96.4%
|
Shares |
Defined |
2021-11-15 |
| 2021-09-30 |
$199,649,445 |
705,500 |
+108.7%
|
Shares |
Defined |
2021-11-15 |
| 2021-06-30 |
$117,073,887 |
338,100 |
+1458.6%
|
Shares |
Defined |
2021-08-16 |
| 2021-06-30 |
$7,511,635 |
21,693 |
—
|
Shares |
Defined |
2021-08-16 |