Position in PHAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,255,773
-$908,942 QoQ
Shares Held
383,058
+23.0% QoQ
Ownership
0.473%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PHAT Over Time
Shares Held
Position Value (USD)
Derivatives in PHAT
reported options exposure · as of Mar 31, 2026CallValue
$5,731,649
CallShares
515,900
PutValue
$213,312
PutShares
19,200
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. PHAT ranks #138 (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 PHAT
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,731,649 | 515,900 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $213,312 | 19,200 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $4,255,773 | 383,058 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,149,687 | 69,300 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $5,164,715 | 311,315 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $491,064 | 29,600 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $5,987,634 | 508,720 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $451,968 | 38,400 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $594,580 | 62,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $1,927,590 | 201,000 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $263,967 | 42,100 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $1,126,850 | 179,721 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $230,109 | 36,700 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $584,696 | 72,007 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $725,928 | 89,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $121,800 | 15,000 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $224,192 | 12,400 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $329,056 | 18,200 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $3,984,886 | 220,403 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $48,410 | 4,700 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $811,803 | 78,816 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $25,750 | 2,500 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $1,334,349 | 125,645 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $197,532 | 18,600 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $95,580 | 9,000 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $62,084 | 6,800 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $105,296 | 11,533 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $101,343 | 11,100 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $2,859,288 | 275,727 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $29,036 | 2,800 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $144,143 | 13,900 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $558,480 | 39,000 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $75,896 | 5,300 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $242,222 | 16,915 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,345,775 | 188,484 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $312,018 | 43,700 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $13,566 | 1,900 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $117,810 | 10,500 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $19,668 | 1,753 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $83,028 | 7,400 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $1,030,440 | 93,000 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $211,100 | 25,012 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $813,616 | 96,400 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $767,604 | 56,400 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $225,536 | 11,466 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $523,230 | 16,300 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $623,060 | 19,410 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $2,720,659 | 80,374 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $320,799 | 8,541 | Shares | Defined | 2021-05-21 | |
| 2020-12-31 | $401,164 | 12,076 | Shares | Defined | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||