Position in MLYS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
9 quarters on record
Common Shares in MLYS Over Time
Shares Held
Position Value (USD)
Derivatives in MLYS
reported options exposure · as of Jun 30, 2026CallValue
$1,912,882
CallShares
70,900
PutValue
$1,702,438
PutShares
63,100
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 Jun 30, 2026JANE STREET GROUP, LLC holds $1,364,050,815 across 292 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BBIO |
BridgeBio Pharma, Inc.
|
2,934,193 | $218,538,693 | |
| 2 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
191,541 | $102,847,939 | |
| 3 | AXSM |
Axsome Therapeutics, Inc.
|
403,995 | $98,885,855 | |
| 4 | TGTX |
Tg Therapeutics, Inc.
|
1,752,646 | $96,290,370 | |
| 5 | EXEL |
Exelixis, Inc.
|
1,402,438 | $76,306,651 | |
| 6 | QURE |
uniQure N.V.
|
1,610,483 | $74,178,846 | |
| 7 | HALO |
Halozyme Therapeutics, Inc.
|
694,684 | $54,372,915 | |
| 8 | TVTX |
Travere Therapeutics, Inc.
|
938,699 | $53,327,489 |
All Filings in MLYS
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,702,438 | 63,100 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $1,912,882 | 70,900 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $1,931,517 | 71,300 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $3,090,969 | 114,100 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $3,498,356 | 96,400 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $4,260,446 | 117,400 | Call | Defined | 2026-02-12 | |
| 2025-09-30 | $1,160,352 | 30,600 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $1,408,537 | 37,145 | Shares | Defined | 2025-11-14 | |
| 2025-03-31 | $1,065,548 | 67,100 | Put | Defined | 2025-05-19 | |
| 2024-09-30 | $192,003 | 15,855 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $266,700 | 22,795 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $183,140 | 14,186 | Shares | Defined | 2024-05-16 | |
| 2023-09-30 | $409,472 | 43,057 | Shares | Defined | 2023-11-15 | |
| No filing history on record for this holder in this stock. | ||||||