Holdings in BIIB
| Report Date |
Value (USD) |
Shares |
Change |
Type |
Discretion |
Filed |
| 2025-12-31 |
$229,668,181 |
1,305,007 |
+17300.1%
|
Shares |
Sole |
2026-02-13 |
| 2025-12-31 |
$1,319,925 |
7,500 |
-95.8%
|
Shares |
Sole |
2026-02-13 |
| 2025-12-31 |
$31,695,799 |
180,100 |
-86.8%
|
Shares |
Sole |
2026-02-13 |
| 2025-09-30 |
$190,428,113 |
1,359,424 |
+1359324.0%
|
Shares |
Sole |
2025-11-12 |
| 2025-09-30 |
$14,008 |
100 |
-98.7%
|
Shares |
Sole |
2025-11-12 |
| 2025-09-30 |
$1,050,600 |
7,500 |
-8.5%
|
Shares |
Sole |
2025-11-12 |
| 2025-03-31 |
$1,122,088 |
8,200 |
-99.1%
|
Shares |
Sole |
2025-05-15 |
| 2025-03-31 |
$125,667,424 |
918,353 |
+11099.4%
|
Shares |
Sole |
2025-05-15 |
| 2024-12-31 |
$1,253,944 |
8,200 |
-99.0%
|
Shares |
Sole |
2025-02-13 |
| 2024-12-31 |
$128,201,093 |
838,354 |
+7591.3%
|
Shares |
Sole |
2025-02-13 |
| 2024-12-31 |
$1,666,828 |
10,900 |
-64.6%
|
Shares |
Sole |
2025-02-13 |
| 2024-09-30 |
$5,970,272 |
30,800 |
+35.7%
|
Shares |
Sole |
2024-11-19 |
| 2024-09-30 |
$4,400,168 |
22,700 |
-97.5%
|
Shares |
Sole |
2024-11-19 |
| 2024-09-30 |
$178,576,262 |
921,256 |
+105.8%
|
Shares |
Sole |
2024-11-19 |
| 2024-06-30 |
$103,774,917 |
447,653 |
+3215.9%
|
Shares |
Sole |
2024-08-14 |
| 2024-06-30 |
$3,129,570 |
13,500 |
+400.0%
|
Shares |
Sole |
2024-08-14 |
| 2024-03-31 |
$582,201 |
2,700 |
-99.5%
|
Shares |
Sole |
2024-05-15 |
| 2024-03-31 |
$116,562,030 |
540,565 |
+1224.9%
|
Shares |
Sole |
2024-05-15 |
| 2024-03-31 |
$8,797,704 |
40,800 |
-92.3%
|
Shares |
Sole |
2024-05-15 |
| 2023-12-31 |
$137,732,918 |
532,260 |
+694.4%
|
Shares |
Sole |
2024-02-15 |
| 2023-12-31 |
$17,337,590 |
67,000 |
+159.7%
|
Shares |
Sole |
2024-02-15 |
| 2023-12-31 |
$6,676,266 |
25,800 |
-93.5%
|
Shares |
Sole |
2024-02-15 |
| 2023-09-30 |
$101,692,687 |
395,676 |
+5106.3%
|
Shares |
Sole |
2023-11-07 |
| 2023-09-30 |
$1,953,276 |
7,600 |
-94.2%
|
Shares |
Sole |
2023-11-07 |
| 2023-09-30 |
$33,514,104 |
130,400 |
-77.8%
|
Shares |
Sole |
2023-11-07 |
| 2023-06-30 |
$167,423,719 |
587,761 |
+916.9%
|
Shares |
Sole |
2023-09-20 |
| 2023-06-30 |
$16,464,330 |
57,800 |
+138.8%
|
Shares |
Sole |
2023-09-20 |
| 2023-06-30 |
$6,893,370 |
24,200 |
+13.1%
|
Shares |
Sole |
2023-09-20 |
| 2023-03-31 |
$5,949,842 |
21,400 |
-95.3%
|
Shares |
Sole |
2023-05-04 |
| 2023-03-31 |
$127,294,086 |
457,843 |
+792.5%
|
Shares |
Sole |
2023-05-04 |
| 2023-03-31 |
$14,262,939 |
51,300 |
-57.4%
|
Shares |
Sole |
2023-05-04 |
| 2022-12-31 |
$33,368,860 |
120,500 |
-35.5%
|
Shares |
Sole |
2023-02-13 |
| 2022-12-31 |
$51,728,656 |
186,800 |
-70.0%
|
Shares |
Sole |
2023-02-13 |
| 2022-12-31 |
$172,445,835 |
622,728 |
+148.6%
|
Shares |
Sole |
2023-02-13 |
| 2022-09-30 |
$66,878,694 |
250,482 |
+75.8%
|
Shares |
Sole |
2022-11-03 |
| 2022-06-30 |
$29,061,450 |
142,500 |
-20.3%
|
Shares |
Sole |
2022-08-12 |
| 2022-06-30 |
$36,444,078 |
178,700 |
-42.8%
|
Shares |
Sole |
2022-08-12 |
| 2022-06-30 |
$63,734,307 |
312,515 |
-17.6%
|
Shares |
Defined |
2022-08-12 |
| 2022-03-31 |
$79,897,636 |
379,381 |
-53.5%
|
Shares |
Sole |
2022-05-16 |
| 2021-12-31 |
$195,911,711 |
816,571 |
+866.4%
|
Shares |
Defined |
2022-02-23 |
| 2021-12-31 |
$20,273,240 |
84,500 |
+48.2%
|
Shares |
Sole |
2022-02-23 |
| 2021-12-31 |
$13,675,440 |
57,000 |
-85.2%
|
Shares |
Sole |
2022-02-23 |
| 2021-09-30 |
$108,926,809 |
384,914 |
+384814.0%
|
Shares |
Sole |
2021-11-09 |
| 2021-09-30 |
$28,299 |
100 |
-99.6%
|
Shares |
Sole |
2021-11-09 |
| 2021-06-30 |
$8,691,377 |
25,100 |
-92.4%
|
Shares |
Sole |
2021-08-13 |
| 2021-06-30 |
$113,657,239 |
328,233 |
+11.1%
|
Shares |
Defined |
2021-08-13 |
| 2021-03-31 |
$82,625,559 |
295,355 |
+1369.4%
|
Shares |
Sole |
2021-05-13 |
| 2021-03-31 |
$5,622,975 |
20,100 |
-96.0%
|
Shares |
Sole |
2021-05-13 |
| 2020-12-31 |
$122,597,484 |
500,684 |
+319.0%
|
Shares |
Defined |
2021-02-11 |
| 2020-12-31 |
$29,260,770 |
119,500 |
—
|
Shares |
Sole |
2021-02-11 |
