Position in MESO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$448,545
-$1,070,783 QoQ
Shares Held
33,152
-66.4% QoQ
Ownership
0.026%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#19
of 72 holders
Holding Since
Mar 2020
19 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MESO Over Time
Shares Held
Position Value (USD)
Derivatives in MESO
reported options exposure · as of Jun 30, 2026CallValue
$16,097,994
CallShares
1,189,800
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 $1,372,940,661 across 293 Biotechnology names. MESO ranks #121 (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 MESO
Export CSV
33 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $448,545 | 33,152 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $16,097,994 | 1,189,800 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $11,356,592 | 738,400 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $1,519,328 | 98,786 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $216,858 | 14,100 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $203,852 | 11,300 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $3,019,534 | 167,380 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $17,008,112 | 942,800 | Call | Defined | 2026-02-12 | |
| 2025-09-30 | $655,225 | 40,672 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $7,657,083 | 475,300 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $567,072 | 35,200 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $1,497,375 | 137,500 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $606,540 | 48,601 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $234,624 | 18,800 | Call | Defined | 2025-05-19 | |
| 2024-12-31 | $469,260 | 23,700 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $2,023,064 | 102,175 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $695,283 | 85,102 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $395,953 | 58,143 | Shares | Defined | 2024-08-15 | |
| 2023-12-31 | $11,008 | 10,008 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $62,870 | 51,114 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $427,253 | 109,272 | Shares | Defined | 2023-08-14 | |
| 2022-12-31 | $183,228 | 62,965 | Shares | Defined | 2023-02-15 | |
| 2021-12-31 | $119,760 | 24,950 | Shares | Defined | 2022-02-15 | |
| 2021-03-31 | $194,907 | 23,568 | Shares | Defined | 2021-05-18 | |
| 2020-12-31 | $246,210 | 29,000 | Call | Defined | 2021-02-17 | |
| 2020-12-31 | $660,530 | 77,801 | Shares | Defined | 2021-02-17 | |
| 2020-09-30 | $3,004,144 | 161,600 | Put | Defined | 2020-11-17 | |
| 2020-09-30 | $4,223,648 | 227,200 | Call | Defined | 2020-11-17 | |
| 2020-09-30 | $1,726,193 | 92,856 | Shares | Defined | 2020-11-17 | |
| 2020-06-30 | $961,316 | 84,400 | Put | Defined | 2020-08-17 | |
| 2020-06-30 | $715,679 | 62,834 | Shares | Defined | 2020-08-17 | |
| 2020-06-30 | $348,534 | 30,600 | Call | Defined | 2020-08-17 | |
| 2020-03-31 | $66,987 | 15,294 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||