Position in BIIB
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$16,797,368
-$20,491,220 QoQ
Shares Held
77,744
-61.8% QoQ
Ownership
0.053%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#133
of 1,036 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - General
Healthcare · as of Jun 30, 2026RENAISSANCE TECHNOLOGIES LLC holds $598,181,374 across 8 Drug Manufacturers - General names. BIIB ranks #5 (2.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GILD |
Gilead Sciences, Inc.
|
2,217,376 | $280,143,283 | |
| 2 | NVO |
Novo Nordisk A S
|
3,032,421 | $145,374,262 | |
| 3 | NVS |
Novartis AG
|
788,033 | $123,500,531 | |
| 4 | LLY |
ELI LILLY & Co
|
26,091 | $31,294,330 | |
| 5 | BIIB |
Biogen Inc.
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|
77,744 | $16,797,368 | |
| 6 | AMRN |
Amarin Corp Plc\Uk
|
48,369 | $771,001 | |
| 7 | SCLX |
Scilex Holding Co
|
33,064 | $257,899 | |
| 8 | NSRX |
Nasus Pharma Ltd
|
12,200 | $42,700 |
All Filings in BIIB
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $16,797,368 | 77,744 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $37,288,588 | 203,396 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $70,254,504 | 399,196 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $135,093,992 | 964,406 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $131,254,862 | 1,045,106 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $110,088,601 | 804,506 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $182,312,141 | 1,192,206 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $184,672,531 | 952,706 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $143,289,332 | 618,106 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $190,768,723 | 884,704 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $196,304,474 | 758,606 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $279,214,892 | 1,086,397 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $316,051,614 | 1,109,537 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $351,384,601 | 1,263,837 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $276,996,429 | 1,000,276 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $308,253,369 | 1,154,507 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $315,292,667 | 1,546,007 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $219,909,994 | 1,044,207 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $257,627,775 | 1,073,807 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $277,813,263 | 981,707 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $460,540,138 | 1,330,003 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $542,200,819 | 1,938,162 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $743,826,403 | 3,037,762 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $1,082,795,496 | 3,816,961 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $1,045,029,431 | 3,905,922 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $1,415,456,278 | 4,473,912 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||