Position in ABOS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$0
-$728,547 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
19 quarters on record
Common Shares in ABOS Over Time
Shares Held
Position Value (USD)
Derivatives in ABOS
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$28,320
PutShares
12,000
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 Biotechnology
Healthcare · as of Mar 31, 2026CITADEL ADVISORS LLC holds $5,780,363,972 across 373 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 ABOS
Export CSV
39 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $28,320 | 12,000 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $728,547 | 345,283 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $56,548 | 26,800 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $844,924 | 494,108 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $19,836 | 11,600 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $16,588 | 14,300 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $30,250 | 27,500 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $43,010 | 39,100 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $49,192 | 28,600 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $74,476 | 43,300 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $16,506 | 9,597 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $41,940 | 16,912 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $122,760 | 49,500 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $7,192 | 2,900 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $9,680 | 4,000 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $200,888 | 83,012 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $78,650 | 32,500 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $94,571 | 23,351 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $7,695 | 1,900 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $38,880 | 9,600 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $503,485 | 131,116 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $1,920 | 500 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $49,152 | 12,800 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $63,080 | 15,200 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $962 | 232 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $101,260 | 24,400 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $27,417 | 5,700 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $90,909 | 18,900 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $227,965 | 47,394 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $57,168 | 14,081 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $34,104 | 8,400 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $287,820 | 53,300 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $3,780 | 700 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $1,470,398 | 146,600 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $252,620 | 53,749 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $599,195 | 153,247 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $78,200 | 20,000 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $503,775 | 74,523 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $584,680 | 39,346 | Shares | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||