Holdings in BIIB
| Report Date |
Value (USD) |
Shares |
Change |
Type |
Discretion |
Filed |
| 2025-12-31 |
$193,430,255 |
1,099,098 |
+1791.7%
|
Shares |
Defined |
2026-02-10 |
| 2025-12-31 |
$10,225,019 |
58,100 |
-93.8%
|
Shares |
Defined |
2026-02-10 |
| 2025-09-30 |
$131,536,380 |
939,009 |
+40.0%
|
Shares |
Defined |
2025-11-14 |
| 2025-06-30 |
$84,252,300 |
670,852 |
+10.9%
|
Shares |
Defined |
2025-08-14 |
| 2025-03-31 |
$82,746,735 |
604,697 |
-21.5%
|
Shares |
Defined |
2025-06-27 |
| 2024-12-31 |
$117,797,331 |
770,320 |
-22.1%
|
Shares |
Defined |
2025-02-11 |
| 2024-09-30 |
$191,715,704 |
989,041 |
-30.4%
|
Shares |
Defined |
2024-11-14 |
| 2024-06-30 |
$329,383,762 |
1,420,860 |
+42.9%
|
Shares |
Defined |
2024-08-13 |
| 2024-03-31 |
$214,414,924 |
994,365 |
-9.3%
|
Shares |
Defined |
2024-05-15 |
| 2023-12-31 |
$283,566,116 |
1,095,823 |
+38.6%
|
Shares |
Defined |
2024-05-14 |
| 2023-09-30 |
$203,255,072 |
790,845 |
+6490.4%
|
Shares |
Defined |
2024-05-15 |
| 2023-06-30 |
$3,418,200 |
12,000 |
0.0%
|
Shares |
Defined |
2024-05-14 |
| 2023-06-30 |
$3,418,200 |
12,000 |
-98.5%
|
Shares |
Defined |
2024-05-14 |
| 2023-06-30 |
$235,190,674 |
825,665 |
+24.8%
|
Shares |
Defined |
2024-05-14 |
| 2023-03-31 |
$183,902,663 |
661,449 |
+7168.7%
|
Shares |
Defined |
2024-05-14 |
| 2023-03-31 |
$2,530,073 |
9,100 |
+93.6%
|
Shares |
Defined |
2024-05-14 |
| 2023-03-31 |
$1,306,741 |
4,700 |
-99.5%
|
Shares |
Defined |
2024-05-14 |
| 2022-12-31 |
$271,072,002 |
978,882 |
+1392.2%
|
Shares |
Defined |
2024-05-14 |
| 2022-12-31 |
$18,165,952 |
65,600 |
+57.7%
|
Shares |
Defined |
2024-05-14 |
| 2022-12-31 |
$11,519,872 |
41,600 |
-19.4%
|
Shares |
Defined |
2024-05-14 |
| 2022-09-30 |
$13,777,200 |
51,600 |
+35.4%
|
Shares |
Defined |
2024-05-14 |
| 2022-09-30 |
$10,172,700 |
38,100 |
-97.3%
|
Shares |
Defined |
2024-05-14 |
| 2022-09-30 |
$373,170,948 |
1,397,644 |
+37674.2%
|
Shares |
Defined |
2024-05-14 |
| 2022-06-30 |
$754,578 |
3,700 |
-86.8%
|
Shares |
Defined |
2024-05-14 |
| 2022-06-30 |
$5,730,714 |
28,100 |
-98.3%
|
Shares |
Defined |
2024-05-14 |
| 2022-06-30 |
$335,287,352 |
1,644,049 |
+5750.7%
|
Shares |
Defined |
2024-05-14 |
| 2022-03-31 |
$5,917,860 |
28,100 |
+659.5%
|
Shares |
Defined |
2022-05-16 |
| 2022-03-31 |
$779,220 |
3,700 |
-99.7%
|
Shares |
Defined |
2022-05-16 |
| 2022-03-31 |
$275,907,902 |
1,310,104 |
+3175.3%
|
Shares |
Defined |
2022-05-16 |
| 2021-12-31 |
$9,596,800 |
40,000 |
+100.0%
|
Shares |
Defined |
2022-02-17 |
| 2021-12-31 |
$4,798,400 |
20,000 |
-97.9%
|
Shares |
Defined |
2022-02-17 |
| 2021-12-31 |
$227,741,658 |
949,240 |
+18.7%
|
Shares |
Defined |
2022-02-17 |
| 2021-09-30 |
$226,371,622 |
799,928 |
+2185.5%
|
Shares |
Defined |
2022-01-20 |
| 2021-09-30 |
$9,904,650 |
35,000 |
-36.4%
|
Shares |
Defined |
2022-01-20 |
| 2021-09-30 |
$15,564,450 |
55,000 |
+10.0%
|
Shares |
Defined |
2022-01-20 |
| 2021-06-30 |
$17,313,500 |
50,000 |
+25.0%
|
Shares |
Defined |
2021-08-13 |
| 2021-06-30 |
$13,850,800 |
40,000 |
-95.2%
|
Shares |
Defined |
2021-08-13 |
| 2021-06-30 |
$291,240,077 |
841,078 |
+4105.4%
|
Shares |
Defined |
2021-08-13 |
| 2021-03-31 |
$5,595,000 |
20,000 |
-71.4%
|
Shares |
Defined |
2021-05-17 |
| 2021-03-31 |
$19,582,500 |
70,000 |
-91.6%
|
Shares |
Defined |
2021-05-17 |
| 2021-03-31 |
$234,307,408 |
837,560 |
+52.8%
|
Shares |
Defined |
2021-05-17 |
| 2020-12-31 |
$134,214,622 |
548,128 |
+355.6%
|
Shares |
Defined |
2021-02-12 |
| 2020-12-31 |
$29,456,658 |
120,300 |
+91.3%
|
Shares |
Defined |
2021-02-12 |
| 2020-12-31 |
$15,401,694 |
62,900 |
+696.2%
|
Shares |
Defined |
2021-02-12 |
| 2020-09-30 |
$2,241,072 |
7,900 |
-99.1%
|
Shares |
Defined |
2020-11-13 |
| 2020-09-30 |
$251,446,860 |
886,375 |
+2669.9%
|
Shares |
Defined |
2020-11-13 |
| 2020-09-30 |
$9,077,760 |
32,000 |
-97.6%
|
Shares |
Defined |
2020-11-13 |
| 2020-06-30 |
$357,883,174 |
1,337,631 |
+4.8%
|
Shares |
Defined |
2020-08-12 |
| 2020-03-31 |
$403,626,214 |
1,275,764 |
+1654.8%
|
Shares |
Defined |
2020-05-15 |
| 2020-03-31 |
$23,000,826 |
72,700 |
—
|
Shares |
Defined |
2020-05-15 |