Position in MREO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$246,431
+$200,242 QoQ
Shares Held
774,944
+453.6% QoQ
Ownership
0.485%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#10
of 58 holders
Holding Since
Dec 2020
18 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MREO Over Time
Shares Held
Position Value (USD)
Derivatives in MREO
reported options exposure · as of Jun 30, 2026CallValue
$3,752
CallShares
11,800
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 Jun 30, 2026JANE STREET GROUP, LLC holds $1,364,063,764 across 292 Biotechnology names. MREO ranks #157 (0.0% of the industry book) .
| # | 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 MREO
Export CSV
30 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $246,431 | 774,944 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $3,752 | 11,800 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $37,026 | 112,200 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $46,189 | 139,973 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $26,928 | 81,600 | Call | Defined | 2026-05-12 | |
| 2025-12-31 | $146,116 | 350,400 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $148,452 | 356,004 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $69,764 | 167,300 | Call | Defined | 2026-02-12 | |
| 2025-09-30 | $931,865 | 452,362 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $66,332 | 32,200 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $600,807 | 221,700 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $670,565 | 247,441 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $73,170 | 27,000 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $488,925 | 217,300 | Put | Defined | 2025-05-19 | |
| 2025-03-31 | $325,806 | 144,803 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $26,775 | 11,900 | Call | Defined | 2025-05-19 | |
| 2024-12-31 | $729,400 | 208,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $420,972 | 120,278 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $856,524 | 208,400 | Put | Defined | 2024-11-15 | |
| 2024-09-30 | $882,149 | 214,635 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $304,534 | 84,593 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $286,679 | 86,873 | Shares | Defined | 2024-05-16 | |
| 2023-09-30 | $22,297 | 17,285 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $24,744 | 18,746 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $64,402 | 91,093 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $144,721 | 192,962 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $149,629 | 173,786 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $24,666 | 22,024 | Shares | Defined | 2022-08-16 | |
| 2021-03-31 | $159,128 | 47,219 | Shares | Defined | 2021-05-18 | |
| 2020-12-31 | $82,476 | 23,038 | Shares | Defined | 2021-02-17 | |
| No filing history on record for this holder in this stock. | ||||||