Position in BIIB
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$3,187,317
-$1,976,354 QoQ
Shares Held
14,752
-47.6% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#297
of 1,031 holders
Holding Since
Dec 2024
7 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
$20,374,458
CallShares
94,300
PutValue
$1,728,480
PutShares
8,000
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 Jun 30, 2026PEAK6 LLC holds $5,014,937 across 4 Drug Manufacturers - General names. BIIB ranks #1 (63.6% of the industry book) .
All Filings in BIIB
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,187,317 | 14,752 | Shares | Defined | 2026-08-13 | |
| 2026-06-30 | $1,728,480 | 8,000 | Put | Defined | 2026-08-13 | |
| 2026-06-30 | $20,374,458 | 94,300 | Call | Defined | 2026-08-13 | |
| 2026-03-31 | $5,163,671 | 28,166 | Shares | Defined | 2026-05-14 | |
| 2026-03-31 | $4,234,923 | 23,100 | Put | Defined | 2026-05-14 | |
| 2026-03-31 | $6,086,556 | 33,200 | Call | Defined | 2026-05-14 | |
| 2025-12-31 | $16,314,273 | 92,700 | Put | Defined | 2026-03-12 | |
| 2025-12-31 | $18,514,148 | 105,200 | Call | Defined | 2026-03-12 | |
| 2025-09-30 | $10,884,216 | 77,700 | Put | Defined | 2026-03-31 | |
| 2025-09-30 | $18,308,456 | 130,700 | Call | Defined | 2026-03-31 | |
| 2025-06-30 | $7,497,723 | 59,700 | Call | Defined | 2026-03-26 | |
| 2025-06-30 | $11,504,044 | 91,600 | Put | Defined | 2026-03-26 | |
| 2025-06-30 | $2,170,948 | 17,286 | Shares | Defined | 2026-03-26 | |
| 2025-03-31 | $4,190,314 | 30,622 | Shares | Defined | 2025-05-14 | |
| 2025-03-31 | $1,094,720 | 8,000 | Put | Defined | 2025-05-14 | |
| 2024-12-31 | $1,942,084 | 12,700 | Call | Defined | 2025-02-13 | |
| 2024-12-31 | $1,338,202 | 8,751 | Shares | Defined | 2025-02-13 | |
| No filing history on record for this holder in this stock. | ||||||