Position in BIIB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$20,877,013
+$3,914,222 QoQ
Shares Held
96,626
+4.4% QoQ
Ownership
0.065%
of shares outstanding
% of Portfolio
3.05%
of 13F equity value
Holder Rank
#115
of 1,031 holders
Holding Since
Mar 2021
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Derivatives in BIIB
reported options exposure · as of Jun 30, 2026CallValue
$21,606,000
CallShares
100,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Drug Manufacturers - General
Healthcare · as of Jun 30, 2026SPHERA FUNDS MANAGEMENT LTD. holds $104,911,681 across 12 Drug Manufacturers - General names. BIIB ranks #1 (19.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BIIB |
Biogen Inc.
This page
|
96,626 | $20,877,013 | |
| 2 | AZN |
Astrazeneca PLC
|
62,530 | $11,856,938 | |
| 3 | SNY |
Sanofi
|
269,515 | $11,497,509 | |
| 4 | LLY |
ELI LILLY & Co
|
8,040 | $9,643,418 | |
| 5 | NVS |
Novartis AG
|
50,000 | $7,836,000 | |
| 6 | ABBV |
AbbVie Inc.
|
30,256 | $7,613,619 | |
| 7 | MRK |
Merck & Co., Inc.
|
58,600 | $7,530,100 | |
| 8 | JNJ |
Johnson & Johnson
|
28,831 | $7,322,209 |
All Filings in BIIB
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22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $21,606,000 | 100,000 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $20,877,013 | 96,626 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $16,962,791 | 92,526 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $16,672,940 | 94,738 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $11,589,939 | 82,738 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $10,391,065 | 82,738 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $3,111,467 | 22,738 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $3,477,094 | 22,738 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $4,740,357 | 24,455 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $10,991,049 | 47,412 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $15,233,396 | 70,646 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $11,992,954 | 46,346 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $6,642,680 | 25,846 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $6,792,533 | 23,846 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $9,318,453 | 33,516 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $2,081,330 | 7,516 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $14,818,500 | 55,500 | Shares | Defined | 2022-11-14 | |
| 2021-12-31 | $3,118,960 | 13,000 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $14,149,500 | 50,000 | Call | Defined | 2021-11-15 | |
| 2021-06-30 | $8,308,748 | 23,995 | Shares | Defined | 2021-08-17 | |
| 2021-06-30 | $17,313,500 | 50,000 | Call | Defined | 2021-08-17 | |
| 2021-03-31 | $1,902,300 | 6,800 | Shares | Defined | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||