Holdings in BIIB
| Report Date |
Value (USD) |
Shares |
Change |
Type |
Discretion |
Filed |
| 2025-12-31 |
$2,815,840 |
16,000 |
-89.1%
|
Shares |
Defined |
2026-02-17 |
| 2025-12-31 |
$25,916,463 |
147,261 |
+19.8%
|
Shares |
Defined |
2026-02-17 |
| 2025-09-30 |
$17,216,111 |
122,902 |
+391.6%
|
Shares |
Defined |
2025-11-14 |
| 2025-09-30 |
$3,502,000 |
25,000 |
+31.6%
|
Shares |
Defined |
2025-11-14 |
| 2025-09-30 |
$2,661,520 |
19,000 |
-84.3%
|
Shares |
Defined |
2025-11-14 |
| 2025-06-30 |
$15,173,155 |
120,815 |
+1913.6%
|
Shares |
Defined |
2025-08-18 |
| 2025-06-30 |
$753,540 |
6,000 |
-60.0%
|
Shares |
Defined |
2025-08-18 |
| 2025-03-31 |
$2,052,600 |
15,000 |
-93.0%
|
Shares |
Defined |
2025-05-15 |
| 2025-03-31 |
$29,252,286 |
213,770 |
+772.5%
|
Shares |
Defined |
2025-05-15 |
| 2025-03-31 |
$3,352,580 |
24,500 |
-51.0%
|
Shares |
Defined |
2025-05-15 |
| 2024-12-31 |
$7,646,000 |
50,000 |
-77.2%
|
Shares |
Defined |
2025-02-14 |
| 2024-12-31 |
$33,471,129 |
218,880 |
+3548.0%
|
Shares |
Defined |
2025-02-14 |
| 2024-12-31 |
$917,520 |
6,000 |
-35.3%
|
Shares |
Defined |
2025-02-14 |
| 2024-09-30 |
$1,796,315 |
9,267 |
-25.9%
|
Shares |
Defined |
2025-01-13 |
| 2024-03-31 |
$2,695,375 |
12,500 |
+327.5%
|
Shares |
Defined |
2024-05-15 |
| 2023-12-31 |
$756,643 |
2,924 |
+5.6%
|
Shares |
Defined |
2024-03-27 |
| 2023-06-30 |
$788,749 |
2,769 |
-85.0%
|
Shares |
Defined |
2023-08-14 |
| 2022-12-31 |
$5,124,404 |
18,505 |
+4.4%
|
Shares |
Sole |
2023-02-15 |
| 2022-09-30 |
$4,733,376 |
17,728 |
+343.2%
|
Shares |
Sole |
2022-11-15 |
| 2022-06-30 |
$815,760 |
4,000 |
-73.8%
|
Shares |
Defined |
2022-08-17 |
| 2022-06-30 |
$3,113,551 |
15,267 |
-14.6%
|
Shares |
Defined |
2022-08-17 |
| 2022-03-31 |
$3,763,632 |
17,871 |
-22.0%
|
Shares |
Defined |
2022-05-18 |
| 2022-03-31 |
$4,822,740 |
22,900 |
+2190.0%
|
Shares |
Defined |
2022-05-18 |
| 2021-12-31 |
$239,920 |
1,000 |
-95.9%
|
Shares |
Defined |
2022-02-14 |
| 2021-12-31 |
$5,830,056 |
24,300 |
-26.9%
|
Shares |
Defined |
2022-02-14 |
| 2021-12-31 |
$7,971,821 |
33,227 |
+147.3%
|
Shares |
Defined |
2022-02-14 |
| 2021-09-30 |
$3,801,687 |
13,434 |
+859.6%
|
Shares |
Sole |
2021-11-15 |
| 2021-09-30 |
$396,186 |
1,400 |
0.0%
|
Shares |
Sole |
2021-11-15 |
| 2021-06-30 |
$484,778 |
1,400 |
-96.9%
|
Shares |
Defined |
2021-08-16 |
| 2021-06-30 |
$15,597,731 |
45,045 |
+3117.5%
|
Shares |
Defined |
2021-08-16 |
| 2021-03-31 |
$391,650 |
1,400 |
+293.3%
|
Shares |
Defined |
2021-05-17 |
| 2021-03-31 |
$99,591 |
356 |
-99.0%
|
Shares |
Defined |
2021-05-17 |
| 2020-12-31 |
$8,312,017 |
33,946 |
+1788.0%
|
Shares |
Defined |
2021-02-16 |
| 2020-09-30 |
$510,056 |
1,798 |
-96.8%
|
Shares |
Defined |
2020-11-12 |
| 2020-06-30 |
$14,819,594 |
55,390 |
+757.8%
|
Shares |
Sole |
2020-08-14 |
| 2020-03-31 |
$2,042,865 |
6,457 |
—
|
Shares |
Sole |
2020-05-15 |
