Position in MESO
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$1,519,328
-$1,500,206 QoQ
Shares Held
98,786
-41.0% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 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 Mar 31, 2026CallValue
$11,356,592
CallShares
738,400
PutValue
$216,858
PutShares
14,100
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 Mar 31, 2026JANE STREET GROUP, LLC holds $1,255,284,514 across 317 Biotechnology names. MESO ranks #101 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BBIO |
BridgeBio Pharma, Inc.
|
1,757,672 | $130,524,721 | |
| 2 | RPRX |
Royalty Pharma plc
|
2,400,382 | $115,146,324 | |
| 3 | TGTX |
Tg Therapeutics, Inc.
|
2,041,669 | $67,824,242 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
122,946 | $54,900,305 | |
| 5 | HALO |
Halozyme Therapeutics, Inc.
|
831,707 | $53,753,223 | |
| 6 | EXEL |
Exelixis, Inc.
|
1,087,030 | $46,622,715 | |
| 7 | JAZZ |
Jazz Pharmaceuticals plc
|
223,615 | $42,274,415 | |
| 8 | BNTX |
BioNTech SE
|
336,757 | $29,930,962 |
All Filings in MESO
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | $234,624 | 18,800 | Call | Defined | 2025-05-19 | |
| 2025-03-31 | $606,540 | 48,601 | Shares | 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 | |
| No filing history on record for this holder in this stock. | ||||||