Position in BIIB
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$211,997,125
+$13,331,698 QoQ
Shares Held
1,156,369
+2.4% QoQ
Ownership
0.783%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 83.78268528471449.ToString("F0")%
Shared 0.ToString("F0")%
None 16.217314715285518.ToString("F0")%
Common Shares in BIIB Over Time
Shares Held
Position Value (USD)
Derivatives in BIIB
reported options exposure · as of Sep 30, 2025CallValue
$70,040
CallShares
500
PutValue
$7,004,000
PutShares
50,000
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, 2026BANK OF AMERICA CORP /DE/ holds $38,990,456,692 across 16 Drug Manufacturers - General names. BIIB ranks #13 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
11,125,832 | $10,233,206,495 | |
| 2 | JNJ |
Johnson & Johnson
|
25,516,697 | $6,237,301,411 | |
| 3 | ABBV |
AbbVie Inc.
|
23,936,943 | $5,206,045,728 | |
| 4 | AZN |
Astrazeneca PLC
|
19,058,327 | $3,758,683,247 | |
| 5 | MRK |
Merck & Co., Inc.
|
30,774,221 | $3,701,831,041 | |
| 6 | GILD |
Gilead Sciences, Inc.
|
19,978,936 | $2,784,464,307 | |
| 7 | BMY |
Bristol Myers Squibb Co
|
32,586,981 | $1,976,400,394 | |
| 8 | AMGN |
Amgen Inc
|
5,121,028 | $1,801,833,698 |
All Filings in BIIB
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $211,997,125 | 1,156,369 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $198,665,427 | 1,128,845 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $170,900,117 | 1,220,018 | Shares | Defined | 2026-02-03 | |
| 2025-09-30 | $7,004,000 | 50,000 | Put | Defined | 2026-02-03 | |
| 2025-09-30 | $70,040 | 500 | Call | Defined | 2026-02-03 | |
| 2025-06-30 | $3,139,750 | 25,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $133,551,273 | 1,063,391 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $62,795 | 500 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $99,873,493 | 729,856 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $68,420 | 500 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $3,421,000 | 25,000 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $63,648,665 | 416,222 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $9,435,164 | 61,700 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $5,352,200 | 35,000 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $127,575,987 | 658,151 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $4,787,848 | 24,700 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $4,458,320 | 23,000 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $5,331,860 | 23,000 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $5,725,954 | 24,700 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $113,208,365 | 488,346 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $95,658,208 | 443,622 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $3,406,954 | 15,800 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $2,695,375 | 12,500 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $14,025,334 | 54,200 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $110,384,550 | 426,574 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $127,521,856 | 492,800 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $16,988,361 | 66,100 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $21,177,624 | 82,400 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $91,005,438 | 354,093 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $92,912,083 | 326,179 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $14,498,865 | 50,900 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $11,080,665 | 38,900 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $23,076,490 | 83,000 | Put | Defined | 2023-05-12 | |
| 2023-03-31 | $135,097,553 | 485,910 | Shares | Defined | 2023-05-12 | |
| 2023-03-31 | $73,872,571 | 265,700 | Call | Defined | 2023-05-12 | |
| 2022-12-31 | $526,148 | 1,900 | Call | Defined | 2023-02-10 | |
| 2022-12-31 | $34,005,776 | 122,800 | Put | Defined | 2023-02-10 | |
| 2022-12-31 | $137,445,637 | 496,337 | Shares | Defined | 2023-02-10 | |
| 2022-09-30 | $151,869,867 | 568,801 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $36,071,700 | 135,100 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $10,733,400 | 40,200 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $143,749,959 | 704,864 | Shares | Defined | 2022-08-12 | |
| 2022-06-30 | $40,767,606 | 199,900 | Put | Defined | 2022-08-12 | |
| 2022-06-30 | $7,647,750 | 37,500 | Call | Defined | 2022-08-12 | |
| 2022-03-31 | $145,015,789 | 688,584 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $26,451,360 | 125,600 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $218,543,363 | 910,901 | Shares | Defined | 2022-02-08 | |
| 2021-12-31 | $19,073,640 | 79,500 | Call | Defined | 2022-02-08 | |
| 2021-12-31 | $141,240,904 | 588,700 | Put | Defined | 2022-02-08 | |
| 2021-09-30 | $119,365,182 | 421,800 | Put | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||