Position in BIIB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,035,575
+$156,875 QoQ
Shares Held
4,793
0.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#451
of 1,036 holders
Holding Since
Mar 2020
8 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, 2021CallValue
$45,880,775
CallShares
132,500
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, 2026Holocene Advisors, LP holds $1,328,883,667 across 8 Drug Manufacturers - General names. BIIB ranks #7 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AZN |
Astrazeneca PLC
|
2,429,349 | $460,653,157 | |
| 2 | GILD |
Gilead Sciences, Inc.
|
3,216,892 | $406,422,135 | |
| 3 | LLY |
ELI LILLY & Co
|
176,517 | $211,719,802 | |
| 4 | NVS |
Novartis AG
|
1,037,332 | $162,570,671 | |
| 5 | MRK |
Merck & Co., Inc.
|
628,000 | $80,698,000 | |
| 6 | JNJ |
Johnson & Johnson
|
18,956 | $4,814,255 | |
| 7 | BIIB |
Biogen Inc.
This page
|
4,793 | $1,035,575 | |
| 8 | ABBV |
AbbVie Inc.
|
3,855 | $970,072 |
All Filings in BIIB
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,035,575 | 4,793 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $878,700 | 4,793 | Shares | Sole | 2026-05-15 | |
| 2025-09-30 | $837,538 | 5,979 | Shares | Sole | 2025-11-14 | |
| 2023-06-30 | $1,079,866 | 3,791 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $53,967,013 | 194,105 | Shares | Sole | 2023-05-15 | |
| 2021-06-30 | $45,880,775 | 132,500 | Call | Sole | 2021-08-16 | |
| 2021-06-30 | $474,389 | 1,370 | Shares | Sole | 2021-08-16 | |
| 2020-06-30 | $92,304,750 | 345,000 | Put | Sole | 2020-08-14 | |
| 2020-03-31 | $71,966,642 | 227,469 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||