Position in PLRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,065,514
+$913,850 QoQ
Shares Held
3,226,599
+24.9% QoQ
Ownership
5.21%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
23 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in PLRX Over Time
Shares Held
Position Value (USD)
Derivatives in PLRX
reported options exposure · as of Mar 31, 2026CallValue
$46,368
CallShares
36,800
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 $5,784,241,435 across 374 Biotechnology names. PLRX ranks #145 (0.1% 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 PLRX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,065,514 | 3,226,599 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $46,368 | 36,800 | Call | Defined | 2026-05-15 | |
| 2026-02-02 | $3,620,138 | 3,042,133 | Shares | Sole | 2026-02-09 | |
| 2026-01-23 | $3,949,003 | 3,037,695 | Shares | Sole | 2026-01-30 | |
| 2026-01-14 | $3,919,408 | 2,991,915 | Shares | Sole | 2026-01-22 | |
| 2025-12-31 | $101,992 | 83,600 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $3,151,664 | 2,583,332 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $50,996 | 41,800 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $22,792 | 15,400 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $21,460 | 14,500 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $3,462,412 | 2,339,468 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $42,920 | 37,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $44,544 | 38,400 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $2,732,841 | 2,355,899 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $9,585 | 7,100 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $51,300 | 38,000 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $87 | 65 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $5,290,243 | 401,689 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $222,573 | 16,900 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $999,603 | 75,900 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $662,511 | 59,100 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $210,748 | 18,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $392,955 | 35,054 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $632,100 | 58,800 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $367,650 | 34,200 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $4,630,153 | 430,712 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $877,610 | 58,900 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $394,850 | 26,500 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $25,356,014 | 1,701,746 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $28,586,888 | 1,578,514 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $706,290 | 39,000 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $351,334 | 19,400 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $501,126 | 28,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $26,358,152 | 1,520,078 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $840,990 | 48,500 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $29,225,874 | 1,612,907 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $623,328 | 34,400 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $790,032 | 43,600 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $29,654,424 | 1,114,828 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $1,391,180 | 52,300 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $1,266,160 | 47,600 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $19,158,368 | 991,121 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $713,277 | 36,900 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $655,287 | 33,900 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $609,988 | 29,200 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $1,424,698 | 68,200 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $8,729,680 | 417,888 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $162,603 | 20,300 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $11,080,448 | 1,383,327 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $9,656,330 | 1,377,508 | Shares | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||