Holdings in BIIB
| Report Date |
Value (USD) |
Shares |
Change |
Type |
Discretion |
Filed |
| 2025-12-31 |
$13,920,809 |
79,100 |
-86.2%
|
Shares |
Defined |
2026-02-13 |
| 2025-12-31 |
$100,990,805 |
573,844 |
+3830.4%
|
Shares |
Defined |
2026-02-13 |
| 2025-12-31 |
$2,569,454 |
14,600 |
0.0%
|
Shares |
Defined |
2026-02-13 |
| 2025-09-30 |
$2,045,168 |
14,600 |
-81.5%
|
Shares |
Defined |
2025-11-10 |
| 2025-09-30 |
$11,080,328 |
79,100 |
-60.9%
|
Shares |
Defined |
2025-11-10 |
| 2025-09-30 |
$28,338,042 |
202,299 |
+1285.6%
|
Shares |
Defined |
2025-11-10 |
| 2025-06-30 |
$1,833,614 |
14,600 |
-81.5%
|
Shares |
Defined |
2025-08-11 |
| 2025-06-30 |
$9,934,169 |
79,100 |
-64.6%
|
Shares |
Defined |
2025-08-11 |
| 2025-06-30 |
$28,036,709 |
223,240 |
+656.7%
|
Shares |
Defined |
2025-08-11 |
| 2025-03-31 |
$4,036,780 |
29,500 |
-90.3%
|
Shares |
Defined |
2025-05-12 |
| 2025-03-31 |
$41,409,834 |
302,615 |
+221.9%
|
Shares |
Defined |
2025-05-12 |
| 2025-03-31 |
$12,862,960 |
94,000 |
-42.8%
|
Shares |
Defined |
2025-05-12 |
| 2024-12-31 |
$25,124,756 |
164,300 |
+513.1%
|
Shares |
Defined |
2025-02-12 |
| 2024-12-31 |
$4,098,256 |
26,800 |
-89.9%
|
Shares |
Defined |
2025-02-12 |
| 2024-12-31 |
$40,422,717 |
264,339 |
+11.0%
|
Shares |
Defined |
2025-02-12 |
| 2024-09-30 |
$46,162,606 |
238,148 |
+4861.4%
|
Shares |
Defined |
2024-11-12 |
| 2024-09-30 |
$930,432 |
4,800 |
+50.0%
|
Shares |
Defined |
2024-11-12 |
| 2024-09-30 |
$620,288 |
3,200 |
-98.6%
|
Shares |
Defined |
2024-11-12 |
| 2024-06-30 |
$51,776,301 |
223,347 |
+1127.2%
|
Shares |
Defined |
2024-08-12 |
| 2024-06-30 |
$4,219,124 |
18,200 |
-8.1%
|
Shares |
Defined |
2024-08-12 |
| 2024-06-30 |
$4,590,036 |
19,800 |
-90.9%
|
Shares |
Defined |
2024-08-12 |
| 2024-03-31 |
$47,161,943 |
218,717 |
+4456.6%
|
Shares |
Defined |
2024-05-10 |
| 2024-03-31 |
$1,035,024 |
4,800 |
+50.0%
|
Shares |
Defined |
2024-05-10 |
| 2024-03-31 |
$690,016 |
3,200 |
-92.3%
|
Shares |
Defined |
2024-05-10 |
| 2023-12-31 |
$10,790,709 |
41,700 |
-81.1%
|
Shares |
Defined |
2024-02-09 |
| 2023-12-31 |
$57,098,373 |
220,653 |
+358.7%
|
Shares |
Defined |
2024-02-09 |
| 2023-12-31 |
$12,446,837 |
48,100 |
-40.0%
|
Shares |
Defined |
2024-02-09 |
| 2023-09-30 |
$20,612,202 |
80,200 |
-63.8%
|
Shares |
Defined |
2023-11-09 |
| 2023-09-30 |
$56,994,020 |
221,758 |
+232.0%
|
Shares |
Defined |
2023-11-09 |
| 2023-09-30 |
$17,168,268 |
66,800 |
+21.9%
|
Shares |
Defined |
2023-11-09 |
| 2023-06-30 |
$15,609,780 |
54,800 |
-76.7%
|
Shares |
Defined |
2023-08-10 |
| 2023-06-30 |
$66,911,831 |
234,902 |
+484.3%
|
Shares |
Defined |
2023-08-10 |
| 2023-06-30 |
$11,450,970 |
40,200 |
-82.5%
|
Shares |
Defined |
2023-08-10 |
| 2023-03-31 |
$63,937,444 |
229,966 |
+596.9%
|
Shares |
Defined |
2023-05-11 |
| 2023-03-31 |
$9,174,990 |
33,000 |
-49.2%
|
Shares |
Defined |
2023-05-11 |
| 2023-03-31 |
$18,071,950 |
65,000 |
-67.0%
|
Shares |
Defined |
2023-05-11 |
| 2022-12-31 |
$54,505,052 |
196,826 |
+774.8%
|
Shares |
Defined |
2023-02-09 |
| 2022-12-31 |
$6,230,700 |
22,500 |
-60.9%
|
Shares |
Defined |
2023-02-09 |
| 2022-09-30 |
$15,352,500 |
57,500 |
+43.8%
|
Shares |
Defined |
2022-11-10 |
| 2022-09-30 |
$10,680,000 |
40,000 |
-84.3%
|
Shares |
Defined |
2022-11-10 |
| 2022-09-30 |
$68,141,070 |
255,210 |
+37.0%
|
Shares |
Defined |
2022-11-10 |
| 2022-06-30 |
$37,998,709 |
186,323 |
+645.3%
|
Shares |
Defined |
2022-08-10 |
| 2022-06-30 |
$5,098,500 |
25,000 |
-87.9%
|
Shares |
Defined |
2022-08-10 |
| 2022-03-31 |
$43,336,845 |
205,778 |
+237.3%
|
Shares |
Defined |
2022-05-12 |
| 2021-12-31 |
$14,635,120 |
61,000 |
-84.1%
|
Shares |
Defined |
2022-02-10 |
| 2021-12-31 |
$91,825,538 |
382,734 |
+527.4%
|
Shares |
Defined |
2022-02-10 |
| 2021-09-30 |
$17,262,390 |
61,000 |
-77.5%
|
Shares |
Defined |
2021-11-10 |
| 2021-09-30 |
$76,597,749 |
270,673 |
+654.0%
|
Shares |
Defined |
2021-11-10 |
| 2021-06-30 |
$12,431,093 |
35,900 |
-87.0%
|
Shares |
Defined |
2021-08-10 |
| 2021-06-30 |
$95,409,501 |
275,535 |
—
|
Shares |
Defined |
2021-08-10 |
