Holdings in BIIB
| Report Date |
Value (USD) |
Shares |
Change |
Type |
Discretion |
Filed |
| 2025-12-31 |
$112,948,265 |
641,788 |
+738.9%
|
Shares |
Defined |
2026-01-29 |
| 2025-12-31 |
$13,463,235 |
76,500 |
+57.1%
|
Shares |
Defined |
2026-01-29 |
| 2025-12-31 |
$8,570,713 |
48,700 |
-29.0%
|
Shares |
Defined |
2026-01-29 |
| 2025-09-30 |
$9,609,488 |
68,600 |
+48.5%
|
Shares |
Defined |
2025-11-13 |
| 2025-09-30 |
$6,471,696 |
46,200 |
-92.8%
|
Shares |
Defined |
2025-11-13 |
| 2025-09-30 |
$89,506,214 |
638,965 |
+43.4%
|
Shares |
Defined |
2025-11-13 |
| 2025-06-30 |
$55,973,451 |
445,684 |
+886.0%
|
Shares |
Defined |
2025-08-14 |
| 2025-06-30 |
$5,676,668 |
45,200 |
-32.6%
|
Shares |
Defined |
2025-08-14 |
| 2025-06-30 |
$8,427,089 |
67,100 |
-6.2%
|
Shares |
Defined |
2025-08-14 |
| 2025-03-31 |
$9,784,060 |
71,500 |
-27.8%
|
Shares |
Defined |
2025-05-13 |
| 2025-03-31 |
$13,547,160 |
99,000 |
-82.8%
|
Shares |
Defined |
2025-05-13 |
| 2025-03-31 |
$78,680,260 |
574,980 |
-45.2%
|
Shares |
Defined |
2025-05-13 |
| 2024-12-31 |
$160,324,231 |
1,048,419 |
+720.4%
|
Shares |
Defined |
2025-02-14 |
| 2024-12-31 |
$19,543,176 |
127,800 |
-57.0%
|
Shares |
Defined |
2025-02-14 |
| 2024-12-31 |
$45,417,240 |
297,000 |
-30.0%
|
Shares |
Defined |
2025-02-14 |
| 2024-09-30 |
$82,265,109 |
424,397 |
+249.9%
|
Shares |
Defined |
2024-11-14 |
| 2024-09-30 |
$23,512,792 |
121,300 |
-23.5%
|
Shares |
Defined |
2024-11-14 |
| 2024-09-30 |
$30,723,640 |
158,500 |
-65.0%
|
Shares |
Defined |
2024-11-14 |
| 2024-06-30 |
$104,901,096 |
452,511 |
+322.9%
|
Shares |
Defined |
2024-08-14 |
| 2024-06-30 |
$24,804,740 |
107,000 |
-32.7%
|
Shares |
Defined |
2024-08-14 |
| 2024-06-30 |
$36,836,198 |
158,900 |
-8.0%
|
Shares |
Defined |
2024-08-14 |
| 2024-03-31 |
$37,260,864 |
172,800 |
+14.0%
|
Shares |
Defined |
2024-05-13 |
| 2024-03-31 |
$32,689,508 |
151,600 |
-68.1%
|
Shares |
Defined |
2024-05-13 |
| 2024-03-31 |
$102,602,355 |
475,826 |
+129.4%
|
Shares |
Defined |
2024-05-13 |
| 2023-12-31 |
$53,668,898 |
207,400 |
-38.7%
|
Shares |
Defined |
2024-02-09 |
| 2023-12-31 |
$87,555,859 |
338,354 |
+30.4%
|
Shares |
Defined |
2024-02-09 |
| 2023-12-31 |
$67,150,815 |
259,500 |
+36.0%
|
Shares |
Defined |
2024-02-09 |
| 2023-09-30 |
$49,037,508 |
190,800 |
-54.5%
|
Shares |
Defined |
2023-11-09 |
| 2023-09-30 |
$107,892,281 |
419,798 |
+57.9%
|
Shares |
Defined |
2023-11-09 |
| 2023-09-30 |
$68,338,959 |
265,900 |
-32.3%
|
Shares |
Defined |
2023-11-09 |
| 2023-06-30 |
$111,869,707 |
392,732 |
+404.1%
|
Shares |
Defined |
2023-08-11 |
| 2023-06-30 |
$22,189,815 |
77,900 |
-47.1%
|
Shares |
Defined |
2023-08-11 |
| 2023-06-30 |
$41,929,920 |
147,200 |
+106.2%
|
Shares |
Defined |
2023-08-11 |
| 2023-03-31 |
$19,851,342 |
71,400 |
-75.9%
|
Shares |
Defined |
2023-05-12 |
| 2023-03-31 |
$82,320,231 |
296,084 |
+117.7%
|
Shares |
Defined |
2023-05-12 |
| 2023-03-31 |
$37,812,080 |
136,000 |
-53.8%
|
Shares |
Defined |
2023-05-12 |
| 2022-12-31 |
$81,490,631 |
294,275 |
+76.5%
|
Shares |
Defined |
2023-02-08 |
| 2022-12-31 |
$46,162,564 |
166,700 |
+274.6%
|
Shares |
Defined |
2023-02-08 |
| 2022-12-31 |
$12,322,940 |
44,500 |
-70.8%
|
Shares |
Defined |
2023-02-08 |
| 2022-09-30 |
$40,744,200 |
152,600 |
+3.9%
|
Shares |
Defined |
2022-11-10 |
| 2022-09-30 |
$39,200,139 |
146,817 |
+438.4%
|
Shares |
Defined |
2022-11-10 |
| 2022-09-30 |
$7,281,090 |
27,270 |
-79.8%
|
Shares |
Defined |
2022-11-10 |
| 2022-06-30 |
$27,552,294 |
135,100 |
+396.7%
|
Shares |
Defined |
2022-08-10 |
| 2022-06-30 |
$5,547,168 |
27,200 |
-90.3%
|
Shares |
Defined |
2022-08-10 |
| 2022-06-30 |
$56,962,478 |
279,310 |
-23.2%
|
Shares |
Defined |
2022-08-10 |
| 2022-03-31 |
$76,556,889 |
363,518 |
+209.4%
|
Shares |
Defined |
2022-05-16 |
| 2022-03-31 |
$24,745,500 |
117,500 |
+332.0%
|
Shares |
Defined |
2022-05-16 |
| 2022-03-31 |
$5,728,320 |
27,200 |
-92.5%
|
Shares |
Defined |
2022-05-16 |
| 2021-12-31 |
$86,877,910 |
362,112 |
+41.7%
|
Shares |
Defined |
2022-02-14 |
| 2021-12-31 |
$61,299,560 |
255,500 |
—
|
Shares |
Defined |
2022-02-14 |
