Position in FBIO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$503,005
+$503,005 QoQ
Shares Held
180,289
Ownership
0.492%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FBIO Over Time
Shares Held
Position Value (USD)
Derivatives in FBIO
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$81,189
PutShares
29,100
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 $5,780,974,653 across 374 Biotechnology names. FBIO ranks #254 (0.0% of the industry book) .
| # | 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 FBIO
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $503,005 | 180,289 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $81,189 | 29,100 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $194,346 | 53,100 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $222,894 | 60,900 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $612,350 | 165,500 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $230,439 | 123,892 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $104,364 | 66,900 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $20,113 | 12,893 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $161,182 | 79,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $356,793 | 175,761 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $60,291 | 29,700 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $51,566 | 35,563 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $5,365 | 3,700 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $11,165 | 7,700 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $5,301 | 3,100 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $15,894 | 9,295 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $10,944 | 6,400 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $19,400 | 9,700 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $1,000 | 500 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $45,150 | 15,000 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $5,117 | 1,700 | Call | Defined | 2024-02-14 | |
| No filing history on record for this holder in this stock. | ||||||