Position in ALEC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$166,720
+$20,788 QoQ
Shares Held
77,545
-17.1% QoQ
Ownership
0.070%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ALEC Over Time
Shares Held
Position Value (USD)
Derivatives in ALEC
reported options exposure · as of Mar 31, 2026CallValue
$68,155
CallShares
31,700
PutValue
$0
PutShares
0
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. ALEC ranks #312 (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 ALEC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $68,155 | 31,700 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $166,720 | 77,545 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $51,324 | 32,900 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $83,460 | 53,500 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $145,932 | 93,547 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $189,144 | 63,900 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $49,728 | 16,800 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $1,395,879 | 471,581 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $772,547 | 551,820 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $18,760 | 13,400 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $41,720 | 29,800 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $28,536 | 23,200 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $69,372 | 56,400 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $6,688 | 5,438 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $803,194 | 424,971 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $55,944 | 29,600 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $67,095 | 35,500 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $912,352 | 195,784 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $21,902 | 4,700 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $77,822 | 16,700 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $38,136 | 8,400 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $21,792 | 4,800 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $187,637 | 31,169 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,204 | 200 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $65,618 | 10,900 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $246,582 | 30,900 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $128,478 | 16,100 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $103,032 | 15,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $149,040 | 23,000 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $51,580 | 7,960 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $51,686 | 8,600 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $1,329,116 | 221,151 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $179,098 | 29,800 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $216,650 | 35,000 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $51,377 | 8,300 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $1,963,221 | 212,700 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $4,530,434 | 490,838 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $74,763 | 8,100 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $811,894 | 85,824 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $2,025,386 | 214,100 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $1,238,270 | 121,877 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $2,265,680 | 223,000 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $216,600 | 15,200 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $1,495,437 | 104,943 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $1,313,850 | 92,200 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $912,730 | 44,200 | Put | Defined | 2022-02-14 | |
| 2021-12-31 | $334,530 | 16,200 | Call | Defined | 2022-02-14 | |
| 2021-12-31 | $638,931 | 30,941 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $3,974,559 | 174,170 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $1,407,994 | 61,700 | Put | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||