Position in PYXS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$89,423
-$190,704 QoQ
Shares Held
61,249
-74.9% QoQ
Ownership
0.097%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#30
of 78 holders
Holding Since
Dec 2021
15 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in PYXS Over Time
Shares Held
Position Value (USD)
Derivatives in PYXS
reported options exposure · as of Mar 31, 2026CallValue
$97,966
CallShares
67,100
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 $5,780,363,972 across 373 Biotechnology names. PYXS ranks #327 (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 PYXS
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $97,966 | 67,100 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $89,423 | 61,249 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $86,825 | 75,500 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $67,965 | 59,100 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $280,127 | 243,589 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $748,936 | 337,359 | Shares | Defined | 2025-11-14 | |
| 2025-03-31 | $19,110 | 19,500 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $30,282 | 30,900 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $66,456 | 42,600 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $64,740 | 41,500 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $35,232 | 9,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $1,012,740 | 275,951 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $92,851 | 25,300 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $29,790 | 9,000 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $16,550 | 5,000 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $63,900 | 15,000 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $48,138 | 11,300 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $17,504 | 4,109 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $192,303 | 106,835 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $1,980 | 1,100 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $3,780 | 2,100 | Call | Defined | 2024-02-14 | |
| 2023-03-31 | $108,787 | 27,129 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $2,094,148 | 1,562,798 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $3,015,645 | 1,530,785 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $3,619,827 | 1,520,936 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $6,150,891 | 1,522,498 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $16,692,137 | 1,521,617 | Shares | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||