Position in OTLK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
6 quarters on record
Derivatives in OTLK
reported options exposure · as of Mar 31, 2026CallValue
$23,422
CallShares
113,700
PutValue
$16,644
PutShares
80,800
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 Biotechnology
Healthcare · as of Mar 31, 2026CITADEL ADVISORS LLC holds $5,780,537,601 across 374 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
2,182,571 | $356,894,009 | |
| 2 | ONC |
BeOne Medicines Ltd.
|
1,032,298 | $306,561,536 | |
| 3 | BMRN |
Biomarin Pharmaceutical Inc
|
4,512,634 | $254,918,694 | |
| 4 | JAZZ |
Jazz Pharmaceuticals plc
|
1,259,444 | $238,097,887 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
453,843 | $237,573,195 | |
| 6 | BBIO |
BridgeBio Pharma, Inc.
|
3,173,940 | $235,696,783 | |
| 7 | TERN |
Terns Pharmaceuticals, Inc.
|
3,218,810 | $169,695,662 | |
| 8 | PTGX |
Protagonist Therapeutics, Inc
|
1,551,900 | $163,570,260 |
All Filings in OTLK
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11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,644 | 80,800 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $23,422 | 113,700 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $191,654 | 121,300 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $1,450,914 | 918,300 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $18,232 | 17,200 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $30,316 | 28,600 | Put | Defined | 2025-11-14 | |
| 2025-03-31 | $47,702 | 39,100 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $63,126 | 33,400 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $16,427 | 8,692 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $945 | 500 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $397,296 | 74,400 | Call | Defined | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||