Position in IBRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,343,782
+$948,727 QoQ
Shares Held
305,578
-56.6% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
21 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IBRX Over Time
Shares Held
Position Value (USD)
Derivatives in IBRX
reported options exposure · as of Mar 31, 2026CallValue
$22,060,454
CallShares
2,876,200
PutValue
$14,987,947
PutShares
1,954,100
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 $5,783,571,443 across 373 Biotechnology names. IBRX ranks #187 (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 IBRX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,343,782 | 305,578 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $22,060,454 | 2,876,200 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $14,987,947 | 1,954,100 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $675,180 | 341,000 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $1,395,055 | 704,574 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $1,239,876 | 626,200 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $1,231,230 | 500,500 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $1,305,030 | 530,500 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $2,781,639 | 1,130,748 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,157,640 | 438,500 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $2,075,634 | 786,225 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $1,097,184 | 415,600 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $1,454,131 | 483,100 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $1,439,751 | 478,323 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $1,166,074 | 387,400 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $183,682 | 71,751 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $1,856,768 | 725,300 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $624,640 | 244,000 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $602,640 | 162,000 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $1,877,484 | 504,700 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $1,175,929 | 316,110 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $3,213,720 | 508,500 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $2,133,000 | 337,500 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $1,371,300 | 216,978 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $2,775,753 | 516,900 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $2,381,058 | 443,400 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $257 | 48 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $478,908 | 95,400 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,791,638 | 356,900 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $432,302 | 255,800 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $284,765 | 168,500 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $758,106 | 272,700 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $582,132 | 209,400 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $484,484 | 266,200 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $153,790 | 84,500 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $445,392 | 244,721 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $1,548,378 | 305,400 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $775,811 | 153,020 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $397,995 | 78,500 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $1,025,808 | 206,400 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $2,724,325 | 548,154 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $384,181 | 77,300 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $2,894,089 | 777,981 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $268,212 | 72,100 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $518,196 | 139,300 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $498,729 | 88,900 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $1,906,619 | 339,861 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $523,413 | 93,300 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $183,244 | 30,139 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $592,800 | 97,500 | Call | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||