Position in BIIB
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$86,360,896
-$3,053,815 QoQ
Shares Held
471,068
-7.3% QoQ
Ownership
0.319%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Derivatives in BIIB
reported options exposure · as of Mar 31, 2026CallValue
$12,464
CallShares
68
PutValue
$11,732
PutShares
64
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 Mar 31, 2026BNP PARIBAS ARBITRAGE, SA holds $3,714,565,895 across 18 Drug Manufacturers - General names. BIIB ranks #10 (2.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
825,867 | $759,607,690 | |
| 2 | ABBV |
AbbVie Inc.
|
3,043,902 | $662,018,245 | |
| 3 | JNJ |
Johnson & Johnson
|
2,389,655 | $584,127,268 | |
| 4 | BMY |
Bristol Myers Squibb Co
|
5,947,732 | $360,729,945 | |
| 5 | PFE |
Pfizer Inc
|
9,904,502 | $278,118,416 | |
| 6 | GILD |
Gilead Sciences, Inc.
|
1,966,938 | $274,132,149 | |
| 7 | MRK |
Merck & Co., Inc.
|
2,206,233 | $265,387,767 | |
| 8 | AMGN |
Amgen Inc
|
651,459 | $229,215,849 |
All Filings in BIIB
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $12,464 | 68 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $11,732 | 64 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $86,360,896 | 471,068 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $11,965 | 68 | Call | Defined | 2026-02-10 | |
| 2025-12-31 | $8,974 | 51 | Put | Defined | 2026-02-10 | |
| 2025-12-31 | $89,414,711 | 508,067 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $55,462,995 | 395,938 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $3,014 | 24 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $49,607,924 | 394,999 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $50,108,208 | 366,181 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $18,654 | 122 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $57,797,796 | 377,961 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $4,263 | 22 | Call | Defined | 2024-11-13 | |
| 2024-09-30 | $80,125,702 | 413,360 | Shares | Defined | 2024-11-13 | |
| 2024-09-30 | $21,902 | 113 | Put | Defined | 2024-11-13 | |
| 2024-06-30 | $4,404 | 19 | Call | Defined | 2024-08-13 | |
| 2024-06-30 | $67,234,059 | 290,027 | Shares | Defined | 2024-08-13 | |
| 2024-06-30 | $28,743 | 124 | Put | Defined | 2024-08-13 | |
| 2024-03-31 | $60,678,497 | 281,401 | Shares | Defined | 2024-05-01 | |
| 2024-03-31 | $4,096 | 19 | Call | Defined | 2024-05-01 | |
| 2024-03-31 | $31,048 | 144 | Put | Defined | 2024-05-01 | |
| 2023-12-31 | $51,133,468 | 197,602 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $49,421 | 191 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $119,544 | 462 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $58,082 | 226 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $42,026,532 | 163,521 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $87,381 | 340 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $52,124 | 183 | Call | Defined | 2023-08-09 | |
| 2023-06-30 | $39,501,288 | 138,674 | Shares | Defined | 2023-08-09 | |
| 2023-06-30 | $121,055 | 425 | Put | Defined | 2023-08-09 | |
| 2023-03-31 | $60,790,981 | 218,649 | Shares | Defined | 2023-05-12 | |
| 2023-03-31 | $71,730 | 258 | Put | Defined | 2023-05-12 | |
| 2023-03-31 | $12,788 | 46 | Call | Defined | 2023-05-12 | |
| 2022-12-31 | $16,060 | 58 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $579,590 | 2,093 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $75,976,601 | 274,363 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $58,901,001 | 220,603 | Shares | Defined | 2022-11-16 | |
| 2022-09-30 | $15,219 | 57 | Call | Defined | 2022-11-16 | |
| 2022-09-30 | $504,363 | 1,889 | Put | Defined | 2022-11-16 | |
| 2022-06-30 | $221,274 | 1,085 | Put | Defined | 2022-08-12 | |
| 2022-06-30 | $29,668,987 | 145,479 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $196,911 | 935 | Put | Defined | 2022-05-18 | |
| 2022-03-31 | $35,910,880 | 170,517 | Shares | Defined | 2022-05-18 | |
| 2021-12-31 | $30,947 | 129 | Call | Defined | 2022-02-09 | |
| 2021-12-31 | $39,468,758 | 164,508 | Shares | Defined | 2022-02-09 | |
| 2021-12-31 | $332,766 | 1,387 | Put | Defined | 2022-02-09 | |
| 2021-09-30 | $27,778,298 | 98,160 | Shares | Defined | 2021-11-16 | |
| 2021-09-30 | $369,014 | 1,304 | Put | Defined | 2021-11-16 | |
| 2021-09-30 | $36,503 | 129 | Call | Defined | 2021-11-16 | |
| 2021-06-30 | $292,248 | 844 | Put | Defined | 2021-08-10 | |
| No filing history on record for this holder in this stock. | ||||||