Position in MRX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$0
-$526,489 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Common Shares in MRX Over Time
Shares Held
Position Value (USD)
Derivatives in MRX
reported options exposure · as of Jun 30, 2026CallValue
$1,261,665
CallShares
20,700
PutValue
$1,298,235
PutShares
21,300
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 Capital Markets
Financial Services · as of Jun 30, 2026JANE STREET GROUP, LLC holds $2,144,902,285 across 56 Capital Markets names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RIOT |
Riot Platforms, Inc.
|
16,826,113 | $460,698,973 | |
| 2 | IBKR |
Interactive Brokers Group, Inc.
|
3,350,116 | $291,594,095 | |
| 3 | SCHW |
Schwab Charles Corp
|
2,180,123 | $201,159,949 | |
| 4 | IREN |
IREN Ltd
|
4,245,142 | $194,130,343 | |
| 5 | LPLA |
LPL Financial Holdings Inc.
|
642,484 | $180,974,892 | |
| 6 | GS |
Goldman Sachs Group Inc
|
150,045 | $151,751,010 | |
| 7 | GLXY |
Galaxy Digital Inc.
|
5,233,560 | $143,085,530 | |
| 8 | HUT |
Hut 8 Corp.
|
1,201,989 | $138,763,618 |
All Filings in MRX
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,298,235 | 21,300 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $1,261,665 | 20,700 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $222,900 | 5,000 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $526,489 | 11,810 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $490,509 | 12,787 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $2,041,439 | 60,721 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,605,481 | 40,676 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,040,526 | 29,460 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $395,584 | 11,200 | Call | Defined | 2025-05-19 | |
| 2024-09-30 | $572,241 | 24,227 | Shares | Defined | 2024-11-15 | |
| No filing history on record for this holder in this stock. | ||||||