Position in ACIU
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$734,890
+$511,477 QoQ
Shares Held
267,233
+275.6% QoQ
Ownership
0.263%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ACIU Over Time
Shares Held
Position Value (USD)
Derivatives in ACIU
reported options exposure · as of Mar 31, 2026CallValue
$57,475
CallShares
20,900
PutValue
$27,775
PutShares
10,100
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 $5,784,241,435 across 374 Biotechnology names. ACIU ranks #243 (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 ACIU
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $734,890 | 267,233 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $57,475 | 20,900 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $27,775 | 10,100 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $223,413 | 71,151 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $35,796 | 11,400 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $158,570 | 50,500 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $65,025 | 22,500 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $58,126 | 20,113 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $296,377 | 145,999 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $57,855 | 28,500 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $283,231 | 151,461 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $8,976 | 4,800 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $41,514 | 22,200 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $20,520 | 7,600 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $21,230 | 7,863 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $82,426 | 21,806 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $378 | 100 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $101,304 | 26,800 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $138,883 | 34,808 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $150,024 | 37,600 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $51,471 | 12,900 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $22,792 | 7,700 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $95,016 | 32,100 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $179,766 | 60,732 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $58,000 | 11,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $22,500 | 4,500 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $285 | 100 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $3,126 | 1,097 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $64,410 | 22,600 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $6,205 | 2,100 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $82,444 | 27,900 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $7,405 | 3,165 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $21,528 | 9,200 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $1,638 | 700 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $7,140 | 3,500 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $13,260 | 6,500 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $340,808 | 167,063 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $35,076 | 11,100 | Call | Defined | 2022-11-14 | |
| 2022-03-31 | $108,400 | 27,100 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $126,783 | 25,613 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $167,310 | 33,800 | Call | Defined | 2022-02-14 | |
| 2021-12-31 | $58,410 | 11,800 | Put | Defined | 2022-02-14 | |
| 2021-09-30 | $174,460 | 26,000 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $241,828 | 36,040 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $332,145 | 49,500 | Call | Defined | 2021-11-15 | |
| 2021-06-30 | $142,740 | 18,000 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $172,611 | 21,767 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $325,923 | 41,100 | Call | Defined | 2021-08-16 | |
| 2021-03-31 | $280,002 | 36,794 | Shares | Defined | 2021-05-21 | |
| 2021-03-31 | $127,087 | 16,700 | Call | Defined | 2021-05-21 | |
| No filing history on record for this holder in this stock. | ||||||